Used 2021 GMC Terrain for Sale nearDenver, CO
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 54,860
- Stock #:
- ML358763
- VIN:
- 3GKALTEV0ML358763
-$663
Sponsored by AutoNation USA Denver Broadway
2021 GMC Terrain
SLE AWD
54,860 mi
$19,653
$18,990
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 60,851
- Stock #:
- KBB8777
- VIN:
- 3GKALVEX6LL127264
Sponsored Listing
2020 GMC Terrain
SLT AWD
60,851 mi
$21,072
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 39,205
- Stock #:
- ML346210
- VIN:
- 3GKALVEV4ML346210
Sponsored Listing
2021 GMC Terrain
SLT AWD
39,205 mi
$20,899
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 67,890
- Stock #:
- 243651
- VIN:
- 3GKALVEV3LL243651
2020 GMC Terrain
SLT AWD
67,890 mi
$16,788
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 120,668
- Stock #:
- LL131074
- VIN:
- 3GKALTEV6LL131074
-$982
2020 GMC Terrain
SLE AWD
120,668 mi
$14,531
$13,549
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Marine Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 76,700
- Stock #:
- T25641
- VIN:
- 3GKALTEV1NL121961
2022 GMC Terrain
SLE AWD
76,700 mi
$18,500
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 54,860
- Stock #:
- ML358763
- VIN:
- 3GKALTEV0ML358763
-$663
2021 GMC Terrain
SLE AWD
54,860 mi
$19,653
$18,990
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 53,908
- Stock #:
- YNL125618
- VIN:
- 3GKALTEV8NL125618
2022 GMC Terrain
SLE AWD
53,908 mi
$19,397
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 39,205
- Stock #:
- ML346210
- VIN:
- 3GKALVEV4ML346210
2021 GMC Terrain
SLT AWD
39,205 mi
$20,899
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 61,205
- Stock #:
- ML320122
- VIN:
- 3GKALTEV3ML320122
-$750
2021 GMC Terrain
SLE AWD
61,205 mi
$18,999
$18,249
- Year:
- 2021
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 157,614
- Stock #:
- 1752
- VIN:
- 3GKALPEV3ML342659
2021 GMC Terrain
SLT FWD
157,614 mi
$11,999
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 80,480
- Stock #:
- KBB8432
- VIN:
- 3GKALTEV2NL274106
2022 GMC Terrain
SLE AWD
80,480 mi
$18,880
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 76,836
- Stock #:
- 5845
- VIN:
- 3GKALVEV2LL111741
-$599
2020 GMC Terrain
SLT AWD
76,836 mi
$16,899
$16,499
CarGurus Analysis:
2021 GMC Terrain
With 87 currently listed for sale near Denver, CO and an average price of $16,804, 32.2% of 2021 GMC Terrains for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Terrain 5 / 5 stars.
100.0% of 2021 Terrain models on CarGurus are accident free.
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 48,001
- Stock #:
- US63059A
- VIN:
- 3GKALXEX3LL107873
2020 GMC Terrain
Denali AWD
48,001 mi
$22,790
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 163,201
- Stock #:
- LL119521
- VIN:
- 3GKALVEV6LL119521
2020 GMC Terrain
SLT AWD
163,201 mi
$10,800
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- Automatic
- Mileage:
- 119,254
- Stock #:
- 272572
- VIN:
- 3GKALPEV4LL272572
2020 GMC Terrain
SLT FWD
119,254 mi
$15,068
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 25,267
- Stock #:
- 1951
- VIN:
- 3GKALXEV9NL304841
2022 GMC Terrain
Denali AWD
25,267 mi
$27,009
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- All-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 59,262
- Stock #:
- P273995
- VIN:
- 3GKALXEV0NL273995
2022 GMC Terrain
Denali AWD
59,262 mi
$25,535
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 85,982
- Stock #:
- R8011A
- VIN:
- 3GKALXEX6LL303242
2020 GMC Terrain
Denali AWD
85,982 mi
$21,766
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 111,188
- Stock #:
- A216332
- VIN:
- 3GKALSEX6LL216332
2020 GMC Terrain
Denali FWD
111,188 mi
$18,475
- Year:
- 2022
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 170 hp 1.5L I4
- Exterior color:
- Blue
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- Automatic
- Mileage:
- 53,834
- Stock #:
- 28349355
- VIN:
- 3GKALPEV5NL232908
2022 GMC Terrain
SLT FWD
53,834 mi
$20,147
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 78,442
- Stock #:
- 279391
- VIN:
- 3GKALTEV1LL279391
2020 GMC Terrain
SLE AWD
78,442 mi
$17,487
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 90,266
- Stock #:
- 251520
- VIN:
- 3GKALVEV6LL251520
Sponsored Listing
2020 GMC Terrain
SLT AWD
90,266 mi
$17,194
CarGurus Analysis: 2021 GMC Terrain
Summary
With 87 currently listed for sale near Denver, CO and an average price of $16,804, 32.2% of 2021 GMC Terrains for sale on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Terrain 5 / 5 stars.
100.0% of 2021 Terrain models on CarGurus are accident free.
Why it stands out
The 2021 GMC Terrain stands out as a compact SUV that leans more toward comfort, value, and everyday usability than outright performance. It offers a roomy cabin for four adults, or five at a pinch, and its smooth ride and fuel efficiency are recurring strengths. Owners also tend to appreciate the stylish interior and the generous feature set, which helps the Terrain feel well equipped for the money.
For 2021, the Terrain’s powertrain lineup was simplified to the 1.5-liter turbocharged engine, so buyers looking at this model year get a straightforward setup rather than a wide range of choices. That engine is paired with either a continuously variable automatic transmission in front-wheel-drive models or an eight-speed automatic with all-wheel drive, and all-wheel-drive versions also gain a higher towing capacity. The Terrain’s safety equipment is another highlight, with features such as adaptive cruise control, lane keep assist with lane departure warning, enhanced automatic emergency braking, front pedestrian and bicyclist braking, intersection automatic emergency braking, rear cross traffic braking, reverse automatic braking, side bicyclist alert, and blind zone steering assist.
The main tradeoff is cargo space. The Terrain has 30 cubic feet behind the rear seats and up to 64 cubic feet with them folded, which is smaller than some key rivals. Some owners also mention minor omissions, including the lack of a standard auto wiper feature and a desire for stronger blind spot protection. Even so, the 2021 GMC Terrain remains appealing for shoppers who want a comfortable, well-equipped small SUV with good efficiency and a polished feel.
Other model years to consider
- Average price: $27,195
- Good/great deal percentage: 31.9%
- User rating: 5 / 5
- Total listings: 163
- Average price: $23,823
- Good/great deal percentage: 28.9%
- User rating: 5 / 5
- Total listings: 149
- Average price: $20,919
- Good/great deal percentage: 35.2%
- User rating: 4.83 / 5
- Total listings: 91
This analysis is based on CarGurus' proprietary market data from September 21, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
5.0 Overall rating
Filter by rating
Deborah W
Reviewed a 2021 GMC Terrain on Nov 20, 2023
It had everything and more in the features that I was looking for. I think it was a good value for all that it offered.
Assata B
Reviewed a 2021 GMC Terrain on Apr 22, 2021
Very nice interior. Excellent options. We went with a black on black model but would have purchased this one if the other had not been available.
Destiney K
Reviewed a 2021 GMC Terrain on Oct 28, 2021
I absolutely adore my Terrain! I love everything about it. Not too big, not too small. Zero complaints. If I did have to make a suggestion I would say blind spot protection, and maybe a bigger screen that shows your speed but not deal breakers and simply just suggestions :)
Ja'Nette J
Reviewed a 2021 GMC Terrain on Apr 5, 2024
I love the Terrain! It drives great and has a smoothest ride. It also is good on gas.
Compare 2021 GMC Terrain Trims in Denver, CO
The 2021 GMC Terrain offers a range of trims from budget-friendly options to more luxurious models, all featuring efficient engines and versatile drivetrains.
- Starting at $14,244
- Best MPG/MPGe: 25 city / 30 hwy
- Most Popular: SLT AWD
Trim Overview
Prices updated weekly from CarGurus listings.
| SLE FWD | SLE AWD | SLT FWD | SLT AWD (Most Popular) | Denali AWD | |
|---|---|---|---|---|---|
| Starting MSRP | $28,500 | $30,100 | $32,600 | $34,200 | $37,500 |
| Avg. Market Price | $15,361 | $17,883 | $14,244 | $16,448 | $16,383 |
| Positioning | Best value | Sport + AWD | Standard | Sport + AWD | Trail-ready |
| Standout Features | Bluetooth, Backup Camera, Heated Seats | Bluetooth, Backup Camera, Heated Seats | Bluetooth, Heated Seats, Leather Seats | Bluetooth, Remote Start, Heated Seats | Bluetooth, Navigation System, Sunroof/Moonroof |
| Drivetrain | FWD | 4X4 | FWD | 4X4 | 4X4 |
| Listings Available | 42 | 62 | 29 | 82 | 49 |
Quick Compare Table
Listing prices sourced from CarGurus — updated weekly. OEM specs from manufacturer data.
| SLE FWD | SLE AWD | SLT FWD | SLT AWD | Denali AWD | |
|---|---|---|---|---|---|
| AI Summary | Best value for budget-conscious shoppers | Great for those needing AWD capability | Affordable luxury with standard features | Most popular choice with premium features | Top-tier luxury with advanced tech |
| Avg. Market Price | $15,361 | $17,883 | $14,244 | $16,448 | $16,383 |
| MSRP | $28,500 | $30,100 | $32,600 | $34,200 | $37,500 |
| Engine | 1.5L 170 hp I4 | 1.5L 170 hp I4 | 1.5L 170 hp I4 | 1.5L 170 hp I4 | 1.5L 170 hp I4 |
| Drivetrain | FWD | 4X4 | FWD | 4X4 | 4X4 |
| MPG/MPGe (City/Hwy) | 25/30 | 25/28 | 25/30 | 25/28 | 25/28 |
| Bluetooth | ✓ | ✓ | ✓ | ✓ | ✓ |
| Backup Camera | ✓ | ✓ | ✓ | ✓ | ✓ |
| Android Auto | ✓ | ✓ | ✓ | ✓ | ✓ |
| CarPlay | ✓ | ✓ | ✓ | ✓ | ✓ |
| Remote Start | ✓ | ✓ | ✓ | ✓ | ✓ |
| Parking Sensors | ✓ | ✓ | ✓ | ✓ | ✓ |
| Heated Seats | ✓ | ✓ | ✓ | ✓ | ✓ |
| Blind Spot Monitoring | ✓ | ✓ | ✓ | ✓ | ✓ |
| Navigation System | ✓ | ✓ | ✓ | ✓ | ✓ |
| Leather Seats | — | — | ✓ | ✓ | ✓ |
| Active Listings | 42 | 62 | 29 | 82 | 49 |
Missing data displayed as "—".
Trim Deep Dives
SLE FWD — "Who It's For"
The SLE FWD is the pick for shoppers who want a well-equipped SUV without the higher price tag of luxury trims.
- Avg. market price: $15,361 (updated weekly)
- MPG/MPGe: 25 city / 30 hwy
- Inventory: 42 listings
- View SLE FWD listings
SLE AWD — "Who It's For"
The SLE AWD is the choice for those who need all-wheel drive without sacrificing essential features and comfort.
- Avg. market price: $17,883 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 62 listings
- View SLE AWD listings
SLT FWD — "Who It's For"
The SLT FWD is ideal for buyers seeking a blend of luxury and value, offering premium features at an accessible price.
- Avg. market price: $14,244 (updated weekly)
- MPG/MPGe: 25 city / 30 hwy
- Inventory: 29 listings
- View SLT FWD listings
SLT AWD — "Who It's For"
The SLT AWD is perfect for those wanting a sporty SUV with luxury features and the capability of all-wheel drive.
- Avg. market price: $16,448 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 82 listings
- View SLT AWD listings
Denali AWD — "Who It's For"
The Denali AWD is for shoppers who desire top-tier luxury and advanced technology in their SUV, ready for any adventure.
- Avg. market price: $16,383 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 49 listings
- View Denali AWD listings
Trim Recommendations
Most Popular — SLT AWD
With 82 active listings, the SLT AWD is the clear volume leader in the lineup.
Best Budget Option — SLT FWD
At $14,244 avg market price — below the lineup median of $16,383 — it's the most accessible entry point.
Best for Fuel Economy — SLE FWD
The SLE FWD offers the best fuel efficiency in the lineup with 25/30 MPG.
These recommendations are based on CarGurus' proprietary market data from September 24, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
2021 GMC Terrain Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 GMC Terrain prices has changed over time.
See more price trends2021 GMC Terrain Pricing Analysis: Denver, CO Market Report
Pricing by Nearby Locations
Market Area: Denver, CO
Key Insights
- Lowest Prices in Fort Collins: The city of Fort Collins offers the lowest average price at $15,887, indicating a potentially more price-sensitive market or higher inventory turnover.
- Highest Prices in Colorado Springs: In contrast, Colorado Springs has the highest average price at $19,578, which may reflect higher demand or lower inventory.
- Inventory Distribution: The inventory is relatively balanced across cities, with Castle Rock (90 listings) and Longmont (92 listings) showing strong availability, which may help stabilize prices in those areas.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Colorado Springs, CO | 75 | $19,578 |
| Cheyenne, WY | 77 | $18,772 |
| Pueblo, CO | 76 | $19,578 |
| Castle Rock, CO | 90 | $16,445 |
| Longmont, CO | 92 | $16,383 |
| Fort Collins, CO | 68 | $15,887 |
Pricing by Trim Packages
Key Insights
- SLT AWD is Most Common: The SLT AWD trim leads in inventory with 84 listings, indicating strong demand for this configuration.
- Price Range Across Trims: The Denali AWD trim has the highest MSRP at $37,500, reflecting its premium features, while the SLE FWD trim is the most affordable at $28,500.
- AWD vs FWD Demand: AWD trims dominate the inventory, suggesting a preference for all-weather capability in the Denver market.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| SLT AWD | 84 | $34,200 | 4X4 | 1.5L 170 hp I4 |
| SLE AWD | 62 | $30,100 | 4X4 | 1.5L 170 hp I4 |
| SLE FWD | 42 | $28,500 | FWD | 1.5L 170 hp I4 |
| Denali AWD | 49 | $37,500 | 4X4 | 1.5L 170 hp I4 |
| SLT FWD | 28 | $32,600 | FWD | 1.5L 170 hp I4 |
| Denali FWD | 2 | $35,900 | FWD | 1.5L 170 hp I4 |
Pricing Analysis by Model Year
Key Insights
- Newer Models Retain Value: The 2026 GMC Terrain is priced at $30,911, which is about 2.2% above MSRP, indicating strong demand for the latest model.
- Significant Depreciation for Older Models: The 2015 GMC Terrain shows the steepest depreciation, with an average price of $8,591, reflecting a -64.3% drop from its original MSRP.
- Best Value in Recent Years: The 2022 GMC Terrain is priced at $20,919, representing a -25.0% depreciation, making it a potentially attractive option for buyers seeking a balance of price and features.
Model Year Pricing
| Model Year | Original MSRP | Avg Price | Price vs MSRP |
|---|---|---|---|
| 2026 | $30,200 | $30,911 | +2.2% |
| 2025 | $30,000 | $26,092 | -13.0% |
| 2024 | $28,700 | $23,757 | -17.3% |
| 2023 | $29,900 | $27,527 | -7.9% |
| 2022 | $28,150 | $20,919 | -25.0% |
| 2020 | $25,000 | $16,238 | -35.1% |
| 2019 | $25,000 | $14,754 | -41.0% |
| 2018 | $24,995 | $14,814 | -40.6% |
| 2017 | $24,070 | $12,857 | -46.5% |
| 2016 | $23,975 | $10,319 | -57.0% |
| 2015 | $24,070 | $8,591 | -64.3% |
These recommendations are based on CarGurus' proprietary market data from September 23, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
How much does the 2021 GMC Terrain cost?
| Metric | Value |
|---|---|
| Current Average Price | $18,320 |
| Year-Round Low | $18,320 |
| Year-Round High | $20,227 |
| Average Price a Year Ago | $20,224 |
| Change vs. Last Year | −9.42% |
Prices have softened 9.42% compared to this time last year, making it a favorable time to shop this model year.
There are 2,525 listings available, which suggests solid inventory for comparison shopping.
Is the 2021 GMC Terrain a good car?
Yes — the 2021 GMC Terrain earns a 5/5 user rating, which points to strong owner satisfaction. Drivers repeatedly praise its stylish interior, feature set, smooth ride, and fuel efficiency. That makes it a good fit if you want a comfortable compact SUV that leans toward everyday usability and value rather than outright performance. The market also shows 32.0% of listings as good or great deals, which gives you some room to shop selectively.
Is the 2021 GMC Terrain reliable?
Owners rate it 5/5, a strong signal of long-term satisfaction.
User feedback highlights a dependable-feeling ownership experience, with drivers often describing the Terrain as smooth, efficient, and easy to live with. The recurring praise for comfort and value suggests many owners feel confident keeping it over the long term. For used buyers, that kind of satisfaction can reduce ownership risk, especially if you verify maintenance and condition before you buy.
What should I look for when buying a used 2021 GMC Terrain?
At 74.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
You should run a vehicle history report on any candidate and confirm whether prior damage was cosmetic or structural. Put inspection priority on body panels, paint match, tire wear, suspension feel, and any warning lights or electronic feature issues. Because the Terrain’s appeal depends heavily on comfort and equipment, focus on overall condition and how well the features work.
Is now a good time to buy a used 2021 GMC Terrain?
This looks like a moderate, selective buyer’s market, so you can be patient and still find a worthwhile listing.
- Deal availability: 32.0% of listings are priced as good or great deals.
- Inventory: There are 2,525 listings available.
- Price trend: Prices have softened 9.42% compared with last year.
- Clean inventory: 74.7% of listings are accident-free.
If you find a listing below $18,320, that's toward the low end of the year-round range and worth acting on quickly.
What is the 2021 GMC Terrain's resale value?
The current average of $18,320 sits slightly below last year's $20,224.
That softer pricing can help you buy at a more favorable entry point, but it also means future resale gains may be more limited if the market stays soft. If you plan to sell later, condition and documentation will matter more because buyers will have plenty of comparable listings to choose from. A well-kept example should still hold appeal thanks to the Terrain’s comfort-focused reputation and broad everyday usefulness.
Vehicles with strong owner satisfaction ratings, like this model year's 5/5, tend to retain buyer demand, which supports resale value over time.
Should I buy a 2021 GMC Terrain or consider a different year?
If you're weighing the 2021 against nearby model years, here's how to think about it:
Choose the 2021 if:
- 32.0% of listings are priced as good or great deals.
- At 74.7% accident-free, a meaningful share of listings has prior incidents — history verification is especially important.
- Price trend: Prices have softened 9.42% compared with last year.
- Owners rate it 5/5 — a strong satisfaction signal.
Consider the 2022 if:
- At $21,792, the 2022 costs more than the current year's $18,320 average.
- It adds an AT4 trim with standard all-wheel drive and a more rugged look.
The bottom line: If you want the better value, the 2021 is the stronger starting point because it combines lower pricing with strong owner satisfaction. If you’re willing to pay more for a newer model year and the AT4’s rugged styling, the 2022 is the secondary path to consider. For most price-sensitive buyers, the 2021 makes more sense unless you specifically want the newer year’s added trim appeal.
These recommendations are based on CarGurus' proprietary market data from September 22, 2026, CarGurus experts' opinions, and generative AI.
*CarGurus meticulously monitors the prices of millions of pre-owned vehicle listings, offering users precise and up-to-date market insights. Historical pricing data excludes any additional dealer fees as of May 3, 2026.
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