Home  >  GMC  >  Terrain  >  2021

Used 2021 GMC Terrain for Sale

Filter results
Sort by

Filter results

Zip code
Distance
Make
Model
Year
to
Price
$
to
$
Millage
to
Seller type

Transmission

Drivetrain

Fuel

City MPG

to

Highway MPG

to

Engine

Body

Doors

History

Exterior colors

Interior colors

Days on the market

to

Showing 1 - 24 of 809

Sort by

right pointer icon

Car shopping simplified

Get recommendations for your specific needs

Try Bumper Assistant
Used
2021 GMC Terrain Denali Front Wheel Drive SUV

VIN: 3GKALSEV6ML393432

No PriceContact Dealer

Millage Bumper.com Millage:
7,595
Location Bumper.com Location:
Mount Dora, FL
Color Bumper.com Color:
White ext, Beige int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain Denali SUV

VIN: 3GKALXEVXML401464

$37,825

Check Bumper.com Clean title

Millage Bumper.com Millage:
7,763
Location Bumper.com Location:
Hicksville, OH
Color Bumper.com Color:
Silver ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain Denali

VIN: 3GKALXEV0ML393262

$36,241

Millage Bumper.com Millage:
27,756
Location Bumper.com Location:
Renton, WA
Color Bumper.com Color:
White ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain AWD Denali

VIN: 3GKALXEV7ML393114

$38,900

Millage Bumper.com Millage:
21,494
Location Bumper.com Location:
Pocatello, ID
Color Bumper.com Color:
Black ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain Denali SUV

VIN: 3GKALXEV2ML393246

$34,337

Check Bumper.com Clean title

Check Bumper.com 1 owner

Millage Bumper.com Millage:
25,298
Location Bumper.com Location:
Archbold, OH
Color Bumper.com Color:
Silver ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Ad

Sell Your Car, Quick and Easy

Connect with our partner, Peddle, for a quick and easy cash offer on your car

  • Check Bumper.com

    Get Cash for your car regardless of its condition

  • Check Bumper.com

    Sell your car fast and easy, right from your home

To get started, call (855) 540-0635 or click the button below

Get An Instant Offer
Used
2021 GMC Terrain Denali SUV

VIN: 3GKALXEV7ML379150

No PriceContact Dealer

Millage Bumper.com Millage:
27
Location Bumper.com Location:
Ocala, FL
Color Bumper.com Color:
Gray ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALMEV6ML339074

No PriceContact Dealer

Millage Bumper.com Millage:
51,536
Location Bumper.com Location:
Greenville, NC
Color Bumper.com Color:
Gray ext
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALMEV4ML342426

No PriceContact Dealer

Check Bumper.com Clean title

Check Bumper.com 1 owner

Millage Bumper.com Millage:
13,542
Location Bumper.com Location:
Fort Smith, AR
Color Bumper.com Color:
Gray ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALMEV2ML371018

No PriceContact Dealer

Check Bumper.com Clean title

Check Bumper.com 1 owner

Millage Bumper.com Millage:
53,125
Location Bumper.com Location:
Avon, IN
Color Bumper.com Color:
White ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALTEV6ML300429

$30,633

Millage Bumper.com Millage:
25,178
Location Bumper.com Location:
Elmhurst, IL
Color Bumper.com Color:
Black ext
Bodytype Bumper.com Body Type:
SUV
Check Availability

Bumper

Top Auto Insurance Providers for you

Save money and get personalized auto insurance from top providers!

Learn More
Used
2021 GMC Terrain SLE

VIN: 3GKALMEV0ML342696

No PriceContact Dealer

Millage Bumper.com Millage:
53,277
Location Bumper.com Location:
New Athens, IL
Color Bumper.com Color:
Black ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALMEV0ML377660

$31,998

Millage Bumper.com Millage:
4,502
Location Bumper.com Location:
Richmond, TX
Color Bumper.com Color:
White ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALMEV1ML317869

$30,446

Check Bumper.com Clean title

Check Bumper.com 1 owner

Millage Bumper.com Millage:
61,024
Location Bumper.com Location:
Austin, TX
Color Bumper.com Color:
Gray ext, Gray int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALMEV1ML335823

$32,395

Check Bumper.com Clean title

Check Bumper.com 1 owner

Millage Bumper.com Millage:
6,596
Location Bumper.com Location:
San Antonio, TX
Color Bumper.com Color:
White ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain FWD SLE

VIN: 3GKALMEV5ML340717

No PriceContact Dealer

Millage Bumper.com Millage:
26,199
Location Bumper.com Location:
Belleville, IL
Color Bumper.com Color:
Black ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
PRE-OWNED 2021 GMC TERRAIN SLE FWD 4D SPORT UTILITY

VIN: 3GKALMEV7ML318993

$29,900

Check Bumper.com Clean title

Check Bumper.com 1 owner

Millage Bumper.com Millage:
28,216
Location Bumper.com Location:
Heber Springs, AR
Color Bumper.com Color:
Silver ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE FWD 4D Sport Utility

VIN: 3GKALMEV8ML325788

$32,995

Check Bumper.com Clean title

Millage Bumper.com Millage:
18,354
Location Bumper.com Location:
Edinburg, TX
Color Bumper.com Color:
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain FWD SLE

VIN: 3GKALMEVXML303131

$28,882

Millage Bumper.com Millage:
47,700
Location Bumper.com Location:
Newnan, GA
Color Bumper.com Color:
Black ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE SUV

VIN: 3GKALMEVXML322598

$33,000

Millage Bumper.com Millage:
21,505
Location Bumper.com Location:
Little Rock, AR
Color Bumper.com Color:
Gray ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALMEVXML326408

$30,998

Millage Bumper.com Millage:
18,068
Location Bumper.com Location:
Houston, TX
Color Bumper.com Color:
Brown ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain AWD SLE

VIN: 3GKALTEV1ML301004

$29,895

Check Bumper.com Clean title

Check Bumper.com 1 owner

Millage Bumper.com Millage:
28,404
Location Bumper.com Location:
Frankenmuth, MI
Color Bumper.com Color:
Black ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain AWD 4dr SLE

VIN: 3GKALTEV1ML321429

$31,241

Check Bumper.com 1 owner

Millage Bumper.com Millage:
26,316
Location Bumper.com Location:
Indianapolis, IN
Color Bumper.com Color:
Silver ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALTEV2ML347571

$31,999

Check Bumper.com Clean title

Millage Bumper.com Millage:
14,158
Location Bumper.com Location:
Gorham, NH
Color Bumper.com Color:
White ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Used
2021 GMC Terrain SLE

VIN: 3GKALTEV3ML307323

$31,932

Millage Bumper.com Millage:
24,556
Location Bumper.com Location:
Cheboygan, MI
Color Bumper.com Color:
Gray ext, Black int
Bodytype Bumper.com Body Type:
SUV
Check Availability
Ad

Sell Your Car, Quick and Easy

Connect with our partner, Peddle, for a quick and easy cash offer on your car

  • Check Bumper.com

    Get Cash for your car regardless of its condition

  • Check Bumper.com

    Sell your car fast and easy, right from your home

To get started, call (855) 540-0635 or click the button below

Get An Instant Offer

Frequently Asked Questions

How much does a used GMC Terrain cost?

The average cost of a GMC Terrain depends on its year, condition and features. Our inventory of GMC Terrain's range from $3,500 to $47,873 with years ranging from 2010 to 2022.

What are the most popular 2021 GMC Terrain trims?

The top used 2021 GMC Terrain trims based on our inventory are the GMC Terrain SLE with 478 listings, the GMC Terrain SLT with 453 listings and the GMC Terrain Denali with 25 listings.

What body styles does the 2021 GMC Terrain offer?

The 2021 GMC Terrain offers the Sport Utility and SUV / Crossover body styles.

What is the MPG for a 2021 GMC Terrain?

Our most popular listing, the 2021 GMC Terrain gets an average MPG of 25 city / 28 highway.

What colors do the 2021 GMC Terrain come in?

The 2021 GMC Terrain comes in Graphite Gray Metallic, Ebony Twilight Metallic, Blue Emerald Metallic, Red Quartz Tintcoat, Smokey Quartz Metallic, Summit White, Satin Steel Metallic, White Frost Tricoat and Quicksilver Metallic colors.