Used 2021 GMC Terrain for Sale nearSaint Paul, MN
Shop with transparent pricing.
Only show listings that include dealer fees- 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:
- 84,417
- Stock #:
- C504421
- VIN:
- 3GKALVEV5LL205614
Sponsored Listing
2020 GMC Terrain
SLT AWD
84,417 mi
$18,202
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 53,071
- Stock #:
- C57721A
- VIN:
- 3GKALVEX8LL108733
Sponsored Listing
2020 GMC Terrain
SLT AWD
53,071 mi
$22,253
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 108,766
- Stock #:
- 97130B
- VIN:
- 3GKALVEXXLL102464
-$950
Sponsored Listing
2020 GMC Terrain
SLT AWD
108,766 mi
$15,949
$15,349
- 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:
- White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 37,976
- Stock #:
- 70092612
- VIN:
- 3GKALTEV6ML303962
2021 GMC Terrain
SLE AWD
37,976 mi
$21,297
- 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:
- Gray
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 50,865
- Stock #:
- 29159271
- VIN:
- 3GKALTEV8ML374628
2021 GMC Terrain
SLE AWD
50,865 mi
$20,697
- 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
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 108,766
- Stock #:
- 97130B
- VIN:
- 3GKALVEXXLL102464
-$950
2020 GMC Terrain
SLT AWD
108,766 mi
$15,949
$15,349
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 65,865
- Stock #:
- 5954A
- VIN:
- 3GKALXEX6LL232849
2020 GMC Terrain
Denali AWD
65,865 mi
$22,244
- 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:
- Gray
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 89,361
- Stock #:
- D6737A
- VIN:
- 3GKALPEV0ML325995
2021 GMC Terrain
SLT FWD
89,361 mi
$17,988
- 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:
- Summit White
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 107,548
- Stock #:
- TH146312
- VIN:
- 3GKALVEV7NL146312
-$684
2022 GMC Terrain
SLT AWD
107,548 mi
$16,879
$16,195
- 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:
- 126,333
- Stock #:
- H-2724
- VIN:
- 3GKALVEV8ML302355
-$1,000
2021 GMC Terrain
SLT AWD
126,333 mi
$15,240
$14,240
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Graphite Gray Metallic
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 91,917
- Stock #:
- RW2562C
- VIN:
- 3GKALVEX6LL166842
2020 GMC Terrain
SLT AWD
91,917 mi
$18,600
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 53,071
- Stock #:
- C57721A
- VIN:
- 3GKALVEX8LL108733
2020 GMC Terrain
SLT AWD
53,071 mi
$22,253
- 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
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 77,664
- Stock #:
- 660348
- VIN:
- 3GKALXEX3LL281796
2020 GMC Terrain
Denali AWD
77,664 mi
$21,805
CarGurus Analysis:
2021 GMC Terrain
With 113 currently listed for sale and an average price of $16,671, 39.8% of 2021 GMC Terrain listings on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Terrain 5 / 5 stars.
99.1% of 2021 GMC Terrain listings on CarGurus are accident free.
- 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:
- 28,048
- Stock #:
- A1535
- VIN:
- 3GKALVEV2NL122225
2022 GMC Terrain
SLT AWD
28,048 mi
$26,219
- 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:
- Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Transmission:
- 9-Speed Automatic
- Mileage:
- 65,238
- Stock #:
- 117121
- VIN:
- 3GKALTEV3NL117121
2022 GMC Terrain
SLE AWD
65,238 mi
$21,505
- 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
$16,765
- 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
$27,120
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Red
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 95,232
- Stock #:
- D1552
- VIN:
- 3GKALVEV6LL204035
2020 GMC Terrain
SLT AWD
95,232 mi
$15,304
- 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:
- Blue
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 58,492
- Stock #:
- AB17065
- VIN:
- 3GKALVEV1NL182013
2022 GMC Terrain
SLT AWD
58,492 mi
$20,276
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 65,910
- Stock #:
- P9190A
- VIN:
- 3GKALVEX3LL313280
2020 GMC Terrain
SLT AWD
65,910 mi
$19,998
- 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:
- Black
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 77,837
- Stock #:
- 287346
- VIN:
- 3GKALXEV0NL287346
2022 GMC Terrain
Denali AWD
77,837 mi
$24,746
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Graphite Gray Metallic
- Combined gas mileage:
- 26 MPG
- Fuel type:
- Gasoline
- Interior color:
- Medium Ash Gray/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 105,232
- Stock #:
- HRT112228
- VIN:
- 3GKALVEV6LL112228
2020 GMC Terrain
SLT AWD
105,232 mi
$15,698
- 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 (Satin Steel Metallic)
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 65,910
- Stock #:
- P9190A
- VIN:
- 3GKALVEX3LL313280
Sponsored Listing
2020 GMC Terrain
SLT AWD
65,910 mi
$19,998
CarGurus Analysis: 2021 GMC Terrain
Summary
With 113 currently listed for sale and an average price of $16,671, 39.8% of 2021 GMC Terrain listings on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Terrain 5 / 5 stars.
99.1% of 2021 GMC Terrain listings on CarGurus are accident free.
Why it stands out
The 2021 GMC Terrain stands out as a compact SUV that leans more premium and polished than many rivals. It shares its basic hardware with the Chevrolet Equinox, but GMC gives the Terrain a more angular look and a more upscale feel inside. For this generation, Apple CarPlay and Android Auto are standard, and many models feature an eight-inch touchscreen. The Terrain also benefits from a push-button gear selector, better sound insulation, and a slightly smarter interior, which help it feel a bit more refined than its mainstream positioning might suggest.
For 2021, the Terrain’s lineup was simplified around a 1.5-liter turbocharged engine, since the larger 2.0-liter engine option was dropped. That engine makes 170 horsepower and works with a nine-speed automatic transmission. Buyers who want a used Terrain for everyday driving may appreciate its comfortable ride, roomy cabin, and good safety equipment, while the model’s value proposition is strengthened by its generally good reliability scores and lower prices than some Japanese rivals. At the same time, cargo space is not a strong point, and the 1.5-liter engine is not the best choice for buyers who want stronger acceleration or maximum towing ability.
Other model years to consider
- 2023 GMC Terrain
- Average price: $23,352
- Good/great deal percentage: 48.5%
- User rating: 5 / 5
- Total listings: 196
- 2024 GMC Terrain
- Average price: $24,583
- Good/great deal percentage: 53.0%
- User rating: 5 / 5
- Total listings: 164
- 2022 GMC Terrain
- Average price: $22,202
- Good/great deal percentage: 41.3%
- User rating: 4.83 / 5
- Total listings: 126
Similar models to consider
- 2021 Chevrolet Equinox
- Average price: $16,445
- Good/great deal percentage: 32.7%
- User rating: 4.43 / 5
- Total listings: 364
- 2021 Honda CR-V
- Average price: $26,009
- Good/great deal percentage: 79.6%
- User rating: 4.79 / 5
- Total listings: 147
- 2021 Toyota RAV4
- Average price: $25,043
- Good/great deal percentage: 88.5%
- User rating: 4.43 / 5
- Total listings: 174
This analysis is based on CarGurus' proprietary market data from October 12, 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 Saint Paul, MN
The 2021 GMC Terrain offers a range of trims from budget-friendly options to more feature-rich models, all with solid fuel efficiency.
- Starting at $16,544
- 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 | $17,345 | $17,000 | $16,796 | $16,544 | $16,796 |
| Positioning | Best value | Sport + AWD | Standard | AWD for less | Trail-ready |
| Standout Features | Bluetooth, Backup Camera, Adaptive Cruise Control | Bluetooth, Navigation System, Parking Sensors | Leather Seats, Navigation System, Sunroof/Moonroof | Bluetooth, Leather Seats, Navigation System | Remote Start, Blind Spot Monitoring, Leather Seats |
| Drivetrain | FWD | 4X4 | FWD | 4X4 | 4X4 |
| Listings Available | 47 | 76 | 34 | 119 | 70 |
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 | Sporty AWD option with good features | Standard trim with premium touches | Most popular trim with great features | Premium features for luxury seekers |
| Avg. Market Price | $17,345 | $17,000 | $16,796 | $16,544 | $16,796 |
| 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 | ✓ | ✓ | ✓ | ✓ | ✓ |
| Heated Seats | ✓ | ✓ | ✓ | ✓ | ✓ |
| Parking Sensors | ✓ | ✓ | ✓ | ✓ | ✓ |
| Blind Spot Monitoring | ✓ | ✓ | ✓ | ✓ | ✓ |
| Adaptive Cruise Control | ✓ | — | — | — | — |
| Navigation System | — | ✓ | ✓ | ✓ | ✓ |
| Leather Seats | — | — | ✓ | ✓ | ✓ |
| Active Listings | 47 | 76 | 34 | 119 | 70 |
Missing data displayed as "—".
Trim Deep Dives
SLE FWD — "Who It's For"
The SLE FWD is the pick for shoppers who want essential features without paying for luxury upgrades.
- Avg. market price: $17,345 (updated weekly)
- MPG/MPGe: 25 city / 30 hwy
- Inventory: 47 listings
- View SLE FWD listings
SLE AWD — "Who It's For"
The SLE AWD is the pick for shoppers who want sporty performance and all-wheel drive without breaking the bank.
- Avg. market price: $17,000 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 76 listings
- View SLE AWD listings
SLT FWD — "Who It's For"
The SLT FWD is the pick for shoppers who want a blend of luxury and practicality without going for the top trim.
- Avg. market price: $16,796 (updated weekly)
- MPG/MPGe: 25 city / 30 hwy
- Inventory: 34 listings
- View SLT FWD listings
SLT AWD — "Who It's For"
The SLT AWD is the pick for shoppers who want premium features and all-wheel drive at a competitive price.
- Avg. market price: $16,544 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 119 listings — widest selection in the lineup
- View SLT AWD listings
Denali AWD — "Who It's For"
The Denali AWD is the pick for shoppers who want top-tier luxury and advanced features in a compact SUV.
- Avg. market price: $16,796 (updated weekly)
- MPG/MPGe: 25 city / 28 hwy
- Inventory: 70 listings
- View Denali AWD listings
Trim Recommendations
Most Popular — SLT AWD
With 119 active listings, the SLT AWD is the clear volume leader in the lineup.
Best Budget Option — SLT AWD
At $16,544 avg market price — below the lineup median of $16,796 — it's the most accessible entry point.
Best for Fuel Economy — SLE FWD
The SLE FWD offers the best fuel economy in the lineup at 25/30 MPG.
These recommendations are based on CarGurus' proprietary market data from October 8, 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: Saint Paul, MN Market Report
Pricing in Nearby Cities
Market Area: Saint Paul, MN
Key Insights
- Highest-Price Market: Eau Claire, WI leads with an average price of $20,983, indicating a premium market for the 2021 GMC Terrain.
- Best Value: Marshfield, WI offers the lowest average price at $14,299, presenting a significant opportunity for budget-conscious shoppers.
- Inventory Drives Stability: Minneapolis, MN has the most listings at 110, suggesting a robust market presence that may stabilize pricing.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| Minneapolis, MN | 110 | $16,670 |
| Marshfield, WI | 110 | $14,299 |
| Eau Claire, WI | 109 | $20,983 |
| Monticello, MN | 107 | $16,362 |
| Young America, MN | 105 | $16,519 |
| Mankato, MN | 98 | $15,620 |
| Saint Cloud, MN | 88 | $15,706 |
Pricing by Trim Packages
Key Insights
- Volume Leader: The SLT AWD trim has the highest inventory with 106 listings, indicating strong demand for this configuration.
- Premium Spread: The Denali AWD trim, priced at $37,500, shows a significant premium over the base trims, reflecting its luxury positioning.
- Drivetrain Effect: All trims feature the same engine, but the AWD variants generally command higher prices, suggesting a preference for all-wheel drive in this market.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| SLT AWD | 106 | $34,200 | 4X4 | 1.5L 170 hp I4 |
| SLE AWD | 80 | $30,100 | 4X4 | 1.5L 170 hp I4 |
| SLE FWD | 43 | $28,500 | FWD | 1.5L 170 hp I4 |
| Denali AWD | 72 | $37,500 | 4X4 | 1.5L 170 hp I4 |
| SLT FWD | 34 | $32,600 | FWD | 1.5L 170 hp I4 |
| Denali FWD | 1 | $35,900 | FWD | 1.5L 170 hp I4 |
Pricing Analysis by Model Year
Key Insights
- New-Car Premium: The 2026 model year is priced at $30,344, reflecting a slight premium of 0.5% over its starting MSRP, indicating strong demand for newer models.
- Depreciation Curve: The 2016 model year shows the steepest depreciation at -67.7%, highlighting the rapid value loss typical for older vehicles.
- Best Value Sweet Spot: The 2021 model year averages $16,670, representing a -33.3% depreciation, making it a compelling option for value-seeking buyers.
Model Year Pricing
| Model Year | Starting MSRP | Avg Price | Avg Price vs Starting MSRP |
|---|---|---|---|
| 2026 | $30,200 | $30,344 | +0.5% |
| 2025 | $30,000 | $25,866 | -13.8% |
| 2024 | $28,700 | $24,216 | -15.6% |
| 2023 | $29,900 | $23,207 | -22.4% |
| 2022 | $28,150 | $22,202 | -21.1% |
| 2021 | $25,000 | $16,670 | -33.3% |
| 2020 | $25,000 | $17,630 | -29.5% |
| 2019 | $25,000 | $16,340 | -34.6% |
| 2018 | $24,995 | $14,359 | -42.6% |
| 2017 | $24,070 | $11,834 | -50.8% |
| 2016 | $23,975 | $7,751 | -67.7% |
These recommendations are based on CarGurus' proprietary market data from October 14, 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 | $18,032 |
| Year-Round Low | $18,032 |
| Year-Round High | $20,148 |
| Average Price a Year Ago | $20,151 |
| Change vs. Last Year | −10.52% |
Prices have softened 10.52% compared to this time last year, making it a favorable time to shop this model year.
There are 2,430 listings available, which gives you a solid pool of options to compare.
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 commonly praise its stylish interior, feature set, smooth ride, and fuel efficiency. For you, that makes it a good fit if you want a compact SUV that feels a bit more polished and comfortable for everyday driving. With 34.4% of listings marked as good or great deals, there is also meaningful market opportunity if you shop carefully.
Is the 2021 GMC Terrain reliable?
Owners rate it 5/5, a strong signal of long-term satisfaction.
User feedback highlights a dependable ownership experience, with drivers emphasizing the Terrain’s smooth ride and overall value. The recurring praise for its comfort and fuel efficiency suggests a vehicle many owners feel confident living with over time. For used buyers, that kind of satisfaction can reduce long-term ownership risk, especially if you verify maintenance history and condition before buying.
What should I look for when buying a used 2021 GMC Terrain?
Accident-free inventory is solid at 75% — always verify the vehicle history report.
You should prioritize a history report first, then focus on a pre-purchase inspection that checks for prior damage, uneven wear, and signs of poor repairs. Because the Terrain’s appeal depends heavily on comfort and condition, pay close attention to the cabin, electronics, and overall maintenance records. If a listing looks especially clean and well-kept, that matters more than chasing the lowest sticker price.
Is now a good time to buy a used 2021 GMC Terrain?
This is a moderate market for selective buyers, so you can shop with some leverage if you know what to look for.
- Deal availability: 34.4% of listings are priced as good or great deals.
- Inventory: There are 2,430 listings available.
- Price trend: Prices have softened 10.52% compared with last year.
- Clean inventory: 75.0% of listings are accident-free.
If you find a listing below $18,032, 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 $18,032 sits slightly below last year's $20,151.
That price decline suggests the Terrain has become more affordable in the used market, which can help you buy at a better entry point today. For a future seller, the softer pricing means resale gains may be more limited unless the vehicle is especially clean, well maintained, and attractively equipped. Strong condition and a good ownership record matter more when the market has already moved down. 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:
- 34.4% of listings are priced as good or great deals.
- Accident-free inventory is solid at 75% — always verify the vehicle history report.
- Price trend: Prices have softened 10.52% compared with last year.
- Owners rate it 5/5 — a strong satisfaction signal.
Consider the 2022 if:
- At $21,379, the 2022 costs more than the current year's $18,032 average.
- It adds a rugged AT4 trim with standard all-wheel drive.
The bottom line: If you want the better value, the 2021 is the stronger starting point because it combines lower pricing with solid deal availability and strong owner satisfaction. If you are willing to pay more for a newer model year and the added AT4 flavor, the 2022 is the alternative to consider.
These recommendations are based on CarGurus' proprietary market data from October 13, 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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