Used 2021 GMC Terrain for Sale near Arizona
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:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 140,729
- Stock #:
- LL158327
- VIN:
- 3GKALMEV4LL158327
Sponsored by AutoNation USA Phoenix
2020 GMC Terrain
SLE FWD
140,729 mi
$11,178
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 68,797
- Stock #:
- N267871A
- VIN:
- 3GKALMEV3LL283982
Sponsored Listing
2020 GMC Terrain
SLE FWD
68,797 mi
$16,499
- 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:
- Automatic
- Mileage:
- 72,186
- Stock #:
- Q60690B
- VIN:
- 3GKALTEV4LL211599
Sponsored Listing
2020 GMC Terrain
SLE AWD
72,186 mi
$18,477
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Quicksilver Metallic
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 140,729
- Stock #:
- LL158327
- VIN:
- 3GKALMEV4LL158327
2020 GMC Terrain
SLE FWD
140,729 mi
$11,178
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 88,753
- Stock #:
- 2582P
- VIN:
- 3GKALMEV4LL223547
2020 GMC Terrain
SLE FWD
88,753 mi
$15,900
- 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:
- Summit White
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 20,778
- Stock #:
- NL285862
- VIN:
- 3GKALMEVXNL285862
2022 GMC Terrain
SLE FWD
20,778 mi
$22,781
- 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:
- Marine Metallic
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 63,921
- Stock #:
- MU1153A
- VIN:
- 3GKALMEV4NL232798
2022 GMC Terrain
SLE FWD
63,921 mi
$19,394
- 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:
- 68,098
- Stock #:
- G61944A
- VIN:
- 3GKALTEV5NL130520
2022 GMC Terrain
SLE AWD
68,098 mi
$20,073
- 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:
- Automatic
- Mileage:
- 81,114
- Stock #:
- D260042A
- VIN:
- 3GKALPEV5ML362699
2021 GMC Terrain
SLT FWD
81,114 mi
$18,192
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 68,797
- Stock #:
- N267871A
- VIN:
- 3GKALMEV3LL283982
2020 GMC Terrain
SLE FWD
68,797 mi
$16,499
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 32,454
- Stock #:
- 270247A
- VIN:
- 3GKALMEV5LL170857
2020 GMC Terrain
SLE FWD
32,454 mi
$19,465
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Red
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 81,832
- Stock #:
- G61569A
- VIN:
- 3GKALSEX0LL261038
2020 GMC Terrain
Denali FWD
81,832 mi
$20,316
- 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:
- Black (Ebony Twilight Metallic)
- Combined gas mileage:
- 27 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 69,478
- Stock #:
- 2574U
- VIN:
- 3GKALPEV8NL270925
2022 GMC Terrain
SLT FWD
69,478 mi
$21,500
CarGurus Analysis:
2021 GMC Terrain
With 2,648 currently listed for sale and an average price of $18,673.00, 31.5% 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.
76.1% of 2021 Terrain models on CarGurus are accident free.
The 2021 GMC Terrain is praised for its stylish interior, smooth ride, and fuel efficiency, although some owners noted minor omissions like the lack of a standard auto wiper feature.
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- Gray (Satin Steel Metallic)
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 94,288
- Stock #:
- LL295673
- VIN:
- 3GKALSEX9LL295673
-$538
2020 GMC Terrain
Denali FWD
94,288 mi
$18,719
$18,181
- 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:
- 55,029
- Stock #:
- K267861A
- VIN:
- 3GKALPEX6LL295532
2020 GMC Terrain
SLT FWD
55,029 mi
$20,299
- 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:
- Automatic
- Mileage:
- 72,186
- Stock #:
- Q60690B
- VIN:
- 3GKALTEV4LL211599
2020 GMC Terrain
SLE AWD
72,186 mi
$18,477
- 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
$17,146
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- White
- Fuel type:
- Gasoline
- Interior color:
- Gray
- Transmission:
- 9-Speed Automatic Overdrive
- Mileage:
- 64,483
- Stock #:
- 201967
- VIN:
- 3GKALMEV4LL201967
2020 GMC Terrain
SLE FWD
64,483 mi
$17,176
- 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:
- 89,839
- Stock #:
- 2581U
- VIN:
- 3GKALVEV6ML309417
2021 GMC Terrain
SLT AWD
89,839 mi
$18,900
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Summit White
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Jet Black
- Transmission:
- 9-Speed Automatic
- Mileage:
- 113,753
- Stock #:
- N8366A
- VIN:
- 3GKALMEV4LL333305
2020 GMC Terrain
SLE FWD
113,753 mi
$13,273
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 252 hp 2L I4
- Exterior color:
- White
- Combined gas mileage:
- 25 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 28,024
- Stock #:
- 70121189
- VIN:
- 3GKALSEX5LL307611
2020 GMC Terrain
Denali FWD
28,024 mi
$27,697
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Gray
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 132,700
- Stock #:
- 214974
- VIN:
- 3GKALPEV9LL214974
2020 GMC Terrain
SLT FWD
132,700 mi
$12,949
- Year:
- 2020
- Make:
- GMC
- Model:
- Terrain
- Body type:
- SUV / Crossover
- Doors:
- 4 doors
- Drivetrain:
- Front-Wheel Drive
- Engine:
- 1.5L I4
- Exterior color:
- Black
- Combined gas mileage:
- 28 MPG
- Fuel type:
- Gasoline
- Interior color:
- Black
- Transmission:
- Automatic
- Mileage:
- 32,454
- Stock #:
- 270247A
- VIN:
- 3GKALMEV5LL170857
Sponsored Listing
2020 GMC Terrain
SLE FWD
32,454 mi
$19,465
CarGurus Analysis: 2021 GMC Terrain
Summary
With 2,648 currently listed for sale and an average price of $18,673.00, 31.5% 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.
76.1% of 2021 Terrain models on CarGurus are accident free.
The 2021 GMC Terrain is praised for its stylish interior, smooth ride, and fuel efficiency, although some owners noted minor omissions like the lack of a standard auto wiper feature.
Why it stands out
The 2021 GMC Terrain distinguishes itself in the compact SUV segment with its stylish design and a well-appointed interior that appeals to buyers looking for both comfort and functionality. It shares its platform with the Chevrolet Equinox, but the Terrain's more angular styling gives it a rugged appearance, especially in the AT4 trim designed for off-road capability. The Terrain is equipped with a suite of safety features and technologies, making it a solid choice for families. While it lacks a hybrid option, its fuel efficiency and smooth ride are significant advantages. Owners appreciate the value it offers, although some have pointed out the absence of certain features that competitors might include as standard.
Other model years to consider
- Average price: $24,781.00
- Good/great deal percentage: 32.8%
- User rating: 5 / 5
- Total listings: 5,575
- Average price: $24,937.00
- Good/great deal percentage: 33.2%
- User rating: 5 / 5
- Total listings: 4,858
- Average price: $22,663.00
- Good/great deal percentage: 31.9%
- User rating: 4.83 / 5
- Total listings: 3,469
This analysis is based on CarGurus' proprietary market data from July 31, 2026, CarGurus experts' opinions, and generative AI.
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.
2021 GMC Terrain Trims
| Trim type | MSRP |
|---|---|
| Denali FWD | $35,900 |
| Denali AWD | $37,500 |
| SLT FWD | $32,600 |
| SLE FWD | $28,500 |
| SLT AWD | $34,200 |
| SL FWD | $25,000 |
| SLE AWD | $30,100 |
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 trendsFAQs
How much does the 2021 GMC Terrain cost in Arizona?
How many 2021 GMC Terrain vehicles in Arizona have no reported accidents or damage?
What is the fuel economy of the 2021 GMC Terrain?
What fuel types are available?
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