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
  • Quicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLTQuicksilver Metallic 2021 GMC Terrain SLT

    $20,898

    53,419 mi.
    Est. $378/mo

    Serra Ford Farmington Hills

    4.7
    Check Availability
    Farmington Hills, MI (19 mi)
    Quick view
  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $18,995

    $100
    72,035 mi.
    Est. $343/mo

    DriveTime of Eastpointe

    5.0
    Check Availability
    Eastpointe, MI (18 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

    $16,783

    97,669 mi.
    Est. $303/mo

    Drive Wise Auto Finance

    Check Availability
    Wayne, MI (10 mi)
    Quick view
  • Quicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLEQuicksilver Metallic 2021 GMC Terrain SLE

    $19,067

    49,596 mi.
    Est. $345/mo

    Suburban Cadillac of Plymouth

    4.5
    Check Availability
    Plymouth, MI (15 mi)
    Quick view
  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $18,800

    $100
    95,787 mi.
    Est. $340/mo

    Prestige Cadillac

    3.9
    Check Availability
    Warren, MI (18 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

    $14,500

    $495
    38,000 mi.
    Est. $262/mo

    BrokersAndSellers.com

    Check Availability
    Taylor, MI (3 mi)
    Quick view
  • Summit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLT

    $17,500

    81,171 mi.
    Est. $316/mo

    Suburban Ford of Sterling Heights

    4.6
    Check Availability
    Sterling Heights, MI (23 mi)
    Quick view
  • Satin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLESatin Steel Metallic 2021 GMC Terrain SLE

    Not Priced

    75,228 mi.
    Est. $0/mo

    Ryan Auto Sales

    Check Availability
    Warren, MI (14 mi)
    Quick view
  • $17,998

    70,076 mi.
    Est. $325/mo

    Serra Ford Farmington Hills

    4.7
    Check Availability
    Farmington Hills, MI (19 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 SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLT

    $18,445

    $500
    61,093 mi.
    Est. $333/mo

    Autos of Chicago

    4.2
    Check Availability
    $245 delivery from Arlington Heights, IL (246 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 SLTEbony Twilight Metallic 2021 GMC Terrain SLTEbony Twilight Metallic 2021 GMC Terrain SLT

    $22,995

    50,418 mi.
    Est. $416/mo

    Bob Johnson Used

    4.0
    Check Availability
    $435 delivery from Rochester, NY (290 mi)
    Quick view
  • Summit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLESummit White 2021 GMC Terrain SLE

    $13,720

    156,193 mi.
    Est. $248/mo

    Serra Mazda Brighton

    4.8
    Check Availability
    Brighton, MI (37 mi)
    Quick view
  • Ebony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain DenaliEbony Twilight Metallic 2021 GMC Terrain Denali

    $28,366

    45,261 mi.
    Est. $513/mo

    Lunghamer Ford of Owosso

    Check Availability
    Owosso, MI (70 mi)
    Quick view
  • Summit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLTSummit White 2021 GMC Terrain SLT

    $22,856

    50,148 mi.
    Est. $413/mo

    Al Serra Auto Plaza

    4.5
    Check Availability
    Grand Blanc Charter Township, MI (52 mi)
    Quick view

GMC Terrain prices by year

Model year Average price Deals
2026 GMC Terrain $36,881 1 Good deal
2025 GMC Terrain $33,005
2024 GMC Terrain $25,702 18 Good deals
2023 GMC Terrain $24,140 19 Great deals
2020 GMC Terrain $17,905 6 Great deals
2019 GMC Terrain $15,787 12 Good deals
2018 GMC Terrain $13,755 6 Great 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 $19,110, with pricing starting at $10,372.

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