Skip to main content
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed
Skip to Filters
  • Satin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLTSatin Steel Metallic 2021 GMC Terrain SLT

    $18,250

    $250
    82,465 mi.
    Est. $339/mo

    Lou Sobh Kia of Newnan

    4.7
    Check Availability
    Newnan, GA (29 mi)

    Quick view
  • White Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLTWhite Frost Tricoat 2021 GMC Terrain SLT

    $15,596

    $353
    105,663 mi.
    Est. $290/mo

    Audi Marietta

    4.9
    Check Availability
    Marietta, GA (13 mi)
    Quick view
  • White 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLTWhite 2021 GMC Terrain SLT

    $13,999

    116,070 mi.
    Est. $260/mo

    1st Choice Autos

    3.5
    Check Availability
    Smyrna, GA (11 mi)
    Quick view
  • Ebony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLT

    $13,777

    147,042 mi.
    Est. $256/mo

    St. Charles Hyundai

    Check Availability
    $100 delivery from St. Peters, MO (490 mi)
    Quick view
  • Silver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLTSilver 2021 GMC Terrain SLT

    $21,998

    54,960 mi.
    Est. $408/mo

    CarMax Southwest Freeway

    4.7
    Check Availability
    $499 delivery to Lithia Springs, GA (11 mi)
    Quick view
  • Ebony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLEEbony Twilight Metallic 2021 GMC Terrain SLE

    $17,291

    $299
    74,352 mi.
    Est. $321/mo

    Akins Ford

    4.8
    Check Availability
    Winder, GA (43 mi)
    Quick view
  • Blue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLEBlue Emerald Metallic 2021 GMC Terrain SLE

    $19,395

    $300
    64,297 mi.
    Est. $360/mo

    DriveTime of Columbus-Georgia

    4.8
    Check Availability
    Columbus, GA (91 mi)
    Quick view
  • Summit White Gaz 2021 GMC Terrain SLTSummit White Gaz 2021 GMC Terrain SLTSummit White Gaz 2021 GMC Terrain SLTSummit White Gaz 2021 GMC Terrain SLTSummit White Gaz 2021 GMC Terrain SLTSummit White Gaz 2021 GMC Terrain SLT

    $15,995

    $1K
    98,323 mi.
    Est. $297/mo

    Integrity Buick GMC Cadillac

    2.6
    Check Availability
    Chattanooga, TN (100 mi)
    Quick view
  • Summit White 2021 GMC Terrain SLT

    $14,900

    127,610 mi.
    Est. $277/mo

    Countryside Chrysler Dodge Jeep RAM

    2.8
    Check Availability
    Jackson, GA (43 mi)
    Quick view
  • $19,689

    68,302 mi.
    Est. $366/mo

    Tri-County Chevrolet

    5.0
    Check Availability
    Royston, GA (83 mi)
    Quick view

GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $35,389 5 Great deals
2022 GMC Terrain $23,372 8 Good deals

About the 2021 GMC Terrain

Basics

SL shown (base trim).

Seating
5
Door count
4
Drivetrain
Front-wheel drive
Combined MPG
27
Transmission
9-Speed A/T
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)
Side view of the 2021 GMC Terrain
FAQs

How much does the 2021 GMC Terrain cost?

The 2021 GMC Terrain price depends on several factors, including the trim level, optional features, mileage, vehicle history and location. The nationwide average price for a 2021 Terrain is $18,627, with pricing starting at $10,900.

What is the MPG of the 2021 GMC Terrain?

The 2021 GMC Terrain offers up to 25 MPG in city driving and 30 MPG on the highway for a combined rating of 27 MPG.

These figures are based on EPA mileage ratings and are for comparison purposes only. The actual mileage will vary depending on the selected vehicle trim, driving conditions, driving habits, vehicle maintenance, and other factors.

What are some similar vehicles and competitors of the 2021 GMC Terrain?

The 2021 GMC Terrain compares to and/or competes against the following vehicles:


Is the 2021 GMC Terrain reliable?

The 2021 GMC Terrain has an average reliability rating of 4.7 out of 5 according to Cars.com consumers. Find real-world reliability insights within consumer reviews from 2021 Terrain owners.

Is the 2021 GMC Terrain a good SUV?

Below are the Cars.com consumer ratings for the 2021 GMC Terrain.

(26 reviews)
Rating breakdown (out of 5):
Comfort
4.7
Interior
4.7
Performance
4.4
Value
4.4
Exterior
4.8
Reliability
4.7
Ratings (26 reviews)

88% of drivers recommend this car

Rating breakdown (out of 5):
Comfort
4.7
Interior
4.7
Performance
4.4
Value
4.4
Exterior
4.8
Reliability
4.7
Trims

Denali (2 styles)

Style
FWD 4dr Denali AWD 4dr Denali
Inventory price
Starting at $35,900 Starting at $37,500
Combined MPG
27 26
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)

SL (1 style)

Style
FWD 4dr SL
Inventory price
Starting at $25,000
Combined MPG
27
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)

SLE (2 styles)

Style
FWD 4dr SLE AWD 4dr SLE
Inventory price
Starting at $28,500 Starting at $30,100
Combined MPG
27 26
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)

SLT (2 styles)

Style
AWD 4dr SLT FWD 4dr SLT
Inventory price
Starting at $34,200 Starting at $32,600
Combined MPG
26 27
Engine
170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel) 170.0-hp, 1.5-liter, 4 Cylinder Engine (Gasoline Fuel)
Skip to Listings
Best match Lowest price Highest price Lowest mileage Highest mileage Nearest location Best deal Newest year Oldest year Newest listed Oldest listed