Used 2021 GMC Acadia for Sale near Alabama
Shop with transparent pricing.
Only show listings that include dealer fees- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 132,710
- Stock #:
- 26940P
- VIN:
- 1GKKNULS6MZ109793


Sponsored by City Auto Sales Of Hueytown
2021 GMC Acadia
SLT AWD
132,710 mi
$17,896
- Year:
- 2022
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 228 hp 2L I4
- Exterior color:
- Gray (Steel Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 76,616
- Stock #:
- D5888A
- VIN:
- 1GKKNML45NZ149995

Sponsored Listing
2022 GMC Acadia
SLT FWD
76,616 mi
$23,380
- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 126,796
- Stock #:
- 103955
- VIN:
- 1GKKNPLS7MZ103955

Sponsored Listing
2021 GMC Acadia
Denali FWD
126,796 mi
$18,499
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 104,258
- Stock #:
- 165019
- VIN:
- 1GKKNKLS0LZ165019

2020 GMC Acadia
SLE FWD
104,258 mi
$15,877
- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- White
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 126,796
- Stock #:
- 103955
- VIN:
- 1GKKNPLS7MZ103955

2021 GMC Acadia
Denali FWD
126,796 mi
$18,499
- Year:
- 2022
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 228 hp 2L I4
- Exterior color:
- Gray (Steel Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 76,616
- Stock #:
- D5888A
- VIN:
- 1GKKNML45NZ149995

2022 GMC Acadia
SLT FWD
76,616 mi
$23,380
- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 193 hp 2.5L I4
- Exterior color:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 80,478
- Stock #:
- AA00171A
- VIN:
- 1GKKNKLA4MZ190997

2021 GMC Acadia
SLE FWD
80,478 mi
$17,086
- Year:
- 2022
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 228 hp 2L I4
- Exterior color:
- Midnight Blue Metallic
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 49,500
- Stock #:
- NZ101561
- VIN:
- 1GKKNKL41NZ101561

2022 GMC Acadia
SLE FWD
49,500 mi
$21,219
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 193 hp 2.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Cocoa/Light Ash Gray
- Transmission:
- Automatic
- Mileage:
- 68,695
- Stock #:
- 13085
- VIN:
- 1GKKNKLA2LZ203910

-$501
2020 GMC Acadia
SLE FWD
68,695 mi
$17,700
$17,199
- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 92,068
- Stock #:
- HP23348A
- VIN:
- 1GKKNMLS0MZ124497

2021 GMC Acadia
SLT FWD
92,068 mi
$17,794
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Kalahari/Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 112,563
- Stock #:
- P2343
- VIN:
- 1GKKNLLS6LZ153575

2020 GMC Acadia
AT4 AWD
112,563 mi
$19,815
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Carbon Black Metallic
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black/Kalahari
- Transmission:
- 9-Speed Automatic
- Mileage:
- 76,403
- Stock #:
- UT120620
- VIN:
- 1GKKNLLS7LZ120620

2020 GMC Acadia
AT4 AWD
76,403 mi
$23,847
- Year:
- 2022
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 64,235
- Stock #:
- T275050A
- VIN:
- 1GKKNPLS8NZ178620

2022 GMC Acadia
Denali FWD
64,235 mi
$30,090
CarGurus Analysis:
2021 GMC Acadia
With 1,977 currently listed for sale and an average price of $22,292, 34.0% of 2021 GMC Acadia listings on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Acadia 4.86 / 5 stars.
74.8% of 2021 GMC Acadia listings on CarGurus are accident free.
- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 46,154
- Stock #:
- MZ209039P
- VIN:
- 1GKKNLLS9MZ209039

2021 GMC Acadia
AT4 AWD
46,154 mi
$30,161
- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 193 hp 2.5L I4
- Exterior color:
- Cayenne Red Tintcoat
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 83,847
- Stock #:
- 17531C030
- VIN:
- 1GKKNKLA1MZ136993

-$875
2021 GMC Acadia
SLE FWD
83,847 mi
$18,659
$17,784
- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Summit White
- Combined gas mileage:
- 22 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 90,058
- Stock #:
- C301119A
- VIN:
- 1GKKNLLS9MZ221059

-$802
2021 GMC Acadia
AT4 AWD
90,058 mi
$23,006
$22,204
- Year:
- 2022
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Galvanized/Light Shale
- Transmission:
- 9-Speed Automatic
- Mileage:
- 82,689
- Stock #:
- C7224
- VIN:
- 1GKKNPLS7NZ154695

2022 GMC Acadia
Denali FWD
82,689 mi
$27,634
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Black
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Interior color:
- Brown (TAN)
- Transmission:
- 9-Speed Automatic
- Mileage:
- 119,450
- Stock #:
- 1659
- VIN:
- 1GKKNMLS0LZ119346

2020 GMC Acadia
SLT FWD
119,450 mi
$13,930
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Silver
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 69,632
- Stock #:
- 190975
- VIN:
- 1GKKNXLSXLZ190975

2020 GMC Acadia
Denali AWD
69,632 mi
$25,428
- Year:
- 2021
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 230 hp 2L I4
- Exterior color:
- Black
- Combined gas mileage:
- 24 MPG
- Fuel type:
- Gasoline
- Transmission:
- 9-Speed Automatic
- Mileage:
- 119,134
- Stock #:
- 125643
- VIN:
- 1GKKNRL43MZ125643

2021 GMC Acadia
SLE AWD
119,134 mi
$16,627
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic
- Mileage:
- 125,826
- Stock #:
- A0267
- VIN:
- 1GKKNXLS5LZ212851

2020 GMC Acadia
Denali AWD
125,826 mi
$19,058
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Four-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- White Frost Tricoat
- Combined gas mileage:
- 21 MPG
- Fuel type:
- Gasoline
- Interior color:
- Dark Galvanized/Light Shale
- Transmission:
- 9-Speed Automatic
- Mileage:
- 63,122
- Stock #:
- TLZ122973
- VIN:
- 1GKKNXLS7LZ122973

-$729
2020 GMC Acadia
Denali AWD
63,122 mi
$24,480
$23,750
- Year:
- 2020
- Make:
- GMC
- Model:
- Acadia
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 310 hp 3.6L V6
- Exterior color:
- Gray
- Combined gas mileage:
- 23 MPG
- Fuel type:
- Gasoline
- Transmission:
- Automatic
- Mileage:
- 104,258
- Stock #:
- 165019
- VIN:
- 1GKKNKLS0LZ165019

Sponsored Listing
2020 GMC Acadia
SLE FWD
104,258 mi
$15,877
CarGurus Analysis: 2021 GMC Acadia

Summary
With 1,977 currently listed for sale and an average price of $22,292, 34.0% of 2021 GMC Acadia listings on CarGurus are rated as good or great deals.
Favorably reviewed: Owners rated the 2021 GMC Acadia 4.86 / 5 stars.
74.8% of 2021 GMC Acadia listings on CarGurus are accident free.
Why it stands out
The 2021 GMC Acadia sits in the second generation of the model, which moved the Acadia from a full-size SUV to a midsize one. That change brought a lower MSRP, but it also meant the Acadia lost its optional eight-seat layout. For shoppers who want a used three-row crossover with a more manageable footprint than the earliest Acadias, that shift is a big part of its appeal.
For 2021, the Acadia also benefited from the updated infotainment system introduced in 2020, including Apple CarPlay and Android Auto, with available wireless smartphone compatibility added in 2021. The generation offered front- and all-wheel drive, and the available engine lineup included a 2.0-liter turbo four with 230 hp and 258 lb-ft, plus a 3.6-liter V6 rated at 310 hp and 271 lb-ft. The trim range was broad, and the All-Terrain package added rugged styling elements along with the option to remove the third row for more cargo space.
That mix of family-friendly packaging and available features makes the 2021 Acadia easy to recommend to buyers who want versatility without stepping up to a larger SUV. It is also known to be fairly reliable. On the downside, the move to midsize proportions reduced seating flexibility, and some shoppers may find the Acadia less compelling if they want maximum passenger capacity or a more performance-focused feel.
Other model years to consider
- 2022 GMC Acadia
- Average price: $25,629
- Good/great deal percentage: 34.8%
- User rating: 5 / 5
- Total listings: 3,573
- 2023 GMC Acadia
- Average price: $29,382
- Good/great deal percentage: 35.0%
- User rating: 4.89 / 5
- Total listings: 3,410
- 2020 GMC Acadia
- Average price: $20,014
- Good/great deal percentage: 33.7%
- User rating: 4.94 / 5
- Total listings: 2,683
Similar models to consider
- 2021 Chevrolet Traverse
- Average price: $21,374
- Good/great deal percentage: 35.1%
- User rating: 5 / 5
- Total listings: 3,103
- 2021 Ford Explorer
- Average price: $23,575
- Good/great deal percentage: 34.8%
- User rating: 5 / 5
- Total listings: 8,032
- 2021 Toyota Highlander
- Average price: $29,680
- Good/great deal percentage: 37.1%
- User rating: 4.86 / 5
- Total listings: 3,404
This analysis is based on CarGurus' proprietary market data from October 5, 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.
4.9 Overall rating
Filter by rating
Randall W
Reviewed a 2021 GMC SLT AWD on Apr 5, 2025
American made. Less expensive to repair. We'll appointed. Comfortable. Built to last.
Dustin D
Reviewed a 2021 GMC Acadia on May 21, 2024
We are pleased with the SLE features. Compared to our Equinox LT, it was missing heated front seats, a powered driver’s seat and lift gate. However, the 3rd row was an upgrade that we needed. The V-6 engine is also strong. We sacrificed gas mileage, but upgraded in cabin space, so it was a win for us.
Anonymous
Reviewed a 2021 GMC Acadia on Jun 14, 2021
The SLT meets all of my requirements and has some features that I didnt even know I was getting. A bit smaller than the Buick Enclave we traded in but we were looking to downsize a bit (we are retired and didnt need the full size car). The one draw back is the ugly front plate holder but its required in TX so you are just stuck with it.
Anonymous
Reviewed a 2021 GMC Acadia on Sep 11, 2023
Suspension a little floaty, not the vehicle for me. Nice features and plenty of room.
2021 GMC Acadia Trims
| Trim type | MSRP |
|---|---|
| SLE FWD | $33,900 |
| SLE AWD | $37,100 |
| SLT AWD | $41,100 |
| Denali AWD | $48,600 |
| AT4 AWD | $41,400 |
| SL FWD | $29,800 |
| Denali FWD | $46,600 |
| SLT FWD | $39,100 |
*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 Acadia Price Trends
CarGurus tracks the prices of millions of used car listings every year. See how the average price of 2021 GMC Acadia prices has changed over time.
See more price trends2021 GMC Acadia Pricing Analysis
Pricing by Popular US Cities
Market Area: Nationwide
Key Insights
- Highest-Price Market: Washington, DC leads with an average price of $22,951, indicating a premium market for the Acadia.
- Best Value: Dallas, TX offers the lowest average price at $18,369, presenting a significant opportunity for budget-conscious shoppers.
- Inventory Drives Stability: New York, NY has the most listings at 167, suggesting a robust supply that may help stabilize prices in that market.
City-Level Pricing
| City | Total Listings | Avg Price |
|---|---|---|
| New York, NY | 167 | $22,125 |
| Chicago, IL | 167 | $21,360 |
| Philadelphia, PA | 158 | $22,657 |
| Atlanta, GA | 144 | $22,159 |
| Boston, MA | 136 | $21,812 |
| Washington, DC | 134 | $22,951 |
| Dallas, TX | 114 | $18,369 |
| Houston, TX | 109 | $20,947 |
| Miami, FL | 78 | $21,182 |
| Los Angeles, CA | 66 | $21,860 |
Pricing by Trim Packages
Key Insights
- Volume Leader: The Denali AWD trim has the highest inventory with 2,065 listings, indicating strong demand for this premium option.
- Premium Spread: The Denali AWD trim, priced at $48,600, shows a significant premium over the SL FWD trim at $29,800, highlighting the value of features in higher trims.
- Drivetrain Effect: All trims with 4X4 drivetrains, such as the Denali AWD and AT4 AWD, command higher prices compared to their FWD counterparts, reflecting consumer preference for all-wheel drive.
Trim-Level Details
| Trim | Listings | MSRP | Drivetrain | Engine |
|---|---|---|---|---|
| Denali AWD | 2,065 | $48,600 | 4X4 | 3.6L 310 hp V6 |
| AT4 AWD | 951 | $41,400 | 4X4 | 3.6L 310 hp V6 |
| Denali FWD | 930 | $46,600 | FWD | 3.6L 310 hp V6 |
| SLT AWD | 762 | $41,100 | 4X4 | 2.0L 230 hp I4 |
| SLE AWD | 682 | $37,100 | 4X4 | 2.0L 230 hp I4 |
| SLE FWD | 595 | $33,900 | FWD | 2.5L 193 hp I4 |
| SLT FWD | 476 | $39,100 | FWD | 2.0L 230 hp I4 |
| SL FWD | 27 | $29,800 | FWD | 2.5L 193 hp I4 |
Pricing Analysis by Model Year
Key Insights
- New-Car Premium: The 2027 model year shows an average price of $50,388, reflecting a 15.6% premium over its starting MSRP, indicating strong demand for newer models.
- Depreciation Curve: The 2016 model year has experienced the steepest depreciation at -65.8%, suggesting significant value loss for older models.
- Best Value Sweet Spot: The 2023 model year is priced at $29,162, which is -20.8% below its starting MSRP, making it an attractive option for buyers seeking value.
Model Year Pricing
| Model Year | Starting MSRP | Avg Price | Avg Price vs Starting MSRP |
|---|---|---|---|
| 2027 | $43,600 | $50,388 | +15.6% |
| 2026 | $43,700 | $44,673 | +2.2% |
| 2025 | $43,000 | $41,845 | -2.7% |
| 2024 | $42,600 | $40,870 | -4.1% |
| 2023 | $36,800 | $29,162 | -20.8% |
| 2022 | $34,800 | $25,616 | -26.4% |
| 2021 | $29,800 | $22,444 | -24.7% |
| 2020 | $29,800 | $19,981 | -32.9% |
| 2019 | $29,000 | $17,070 | -41.1% |
| 2018 | $29,000 | $15,431 | -46.8% |
| 2017 | $29,070 | $13,209 | -54.6% |
| 2016 | $30,975 | $10,601 | -65.8% |
These recommendations are based on CarGurus' proprietary market data from October 7, 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 Acadia cost?
| Metric | Value |
|---|---|
| Current Average Price | $22,280 |
| Year-Round Low | $22,280 |
| Year-Round High | $25,114 |
| Average Price a Year Ago | $25,118 |
| Change vs. Last Year | −11.30% |
Prices have softened 11.30% compared to this time last year, making it a favorable time to shop this model year.
There are 1,967 listings available, which suggests solid inventory for comparison shopping.
Is the 2021 GMC Acadia a good car?
Yes — the 4.86/5 user rating points to strong owner satisfaction. Drivers commonly praise the comfortable interior, spaciousness, and the strong V-6 engine, while also appreciating the room in the third row. For you, that makes the Acadia a sensible pick if you want a family-oriented crossover with a manageable footprint and useful everyday versatility. With 34.6% of listings marked as good or great deals, there is still room to shop selectively.
Is the 2021 GMC Acadia reliable?
Owners rate it 4.86/5, a strong signal of long-term satisfaction.
The owner feedback also points to a dependable, trouble-free ownership experience, with comments that support confidence in long-term use. That said, used buyers should still expect normal wear-and-tear risk and verify how each example has been maintained.
What should I look for when buying a used 2021 GMC Acadia?
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 Acadia you are seriously considering and confirm whether prior damage was repaired properly. A pre-purchase inspection should focus on body condition, panel alignment, and signs of uneven wear or repair work. It also makes sense to prioritize examples with clean records and consistent maintenance, since condition can vary widely from one listing to the next.
Is now a good time to buy a used 2021 GMC Acadia?
This is a moderate market, so you can be selective without expecting every listing to be a bargain.
- Deal availability: 34.6% of listings are priced as good or great deals.
- Inventory: There are 1,967 listings available.
- Price trend: Prices have softened 11.30% compared with last year.
- Clean inventory: 74.7% of listings are accident-free.
If you find a listing below $22,280, that's toward the low end of the year-round range and worth acting on quickly.
What is the 2021 GMC Acadia's resale value?
The current average of $22,280 sits slightly below last year's $25,118.
That price movement suggests the Acadia has already absorbed some depreciation, which can help future sellers if the market stabilizes. If you buy at a competitive price and keep the vehicle in strong condition, you may have a better chance of limiting your loss later. Demand should also benefit from the model's strong owner satisfaction and family-friendly appeal.
Vehicles with strong owner satisfaction ratings, like this model year's 4.86/5, tend to retain buyer demand, which supports resale value over time.
Should I buy a 2021 GMC Acadia 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:
- 34.6% 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 11.30% compared with last year.
- Owners rate it 4.86/5 — a strong satisfaction signal.
Consider the 2020 if:
- At $20,007, the 2020 costs less than the current year's $22,280 average.
- It adds bolder styling and more distinctive trim choices.
The bottom line: If you want the better-balanced mix of owner satisfaction, modern features, and current-market pricing, the 2021 is the stronger default choice. If your priority is spending less up front, the 2020 is the better value path, especially if you find one in clean condition with the equipment you want.
These recommendations are based on CarGurus' proprietary market data from October 6, 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.
Relevant articles

2026 GMC Acadia Pricing, Specs, and Release Date
The GMC Acadia is a brash midsize SUV that’s equipped—and priced—like a bigger model. It gets a new top trim for 2026.

2025 GMC Acadia Pricing, Specs, and Release Date
The 2025 GMC Acadia, a mid-size crossover SUV with three rows of seating for up to seven passengers, underwent a significant update recently and continues to benefit from added safety and tech features, as well as a nicer interior.

Who Makes GMC Cars?
GMC is an American automaker that builds premium trucks and SUVs with capability and comfort as selling points. GMC is a division of General Motors and all of its vehicles share platforms with other GM products. Certain products, like its trucks, are very closely related to Chevrolet products.