CarGurus Logo Homepage Link
  • Buy
    • Used cars
    • New cars
    • Certified pre-owned
    • Start your purchase online
    • Dealerships near me
  • Sell
    • Sell my car
    • Car values
    • Sell my car FAQs
  • Finance
    • Prequalify for financing
    • How does it work?
    • Financing FAQs
  • Research
    • Test drive reviews
    • Price trends
    • Tips & advice
    • Electric cars
    • Compare cars
  • Discover
    The latest way to shop:
    smarter research, better
    listings.
  • Saved cars & searches
  • Sign in / Register
    • My account
    • Saved searches
    • Saved cars
    • Recommended cars
    • Browsing history
    • Financing dashboard
      • United States (EN)
      • Estados Unidos (ES)
      • Canada (EN)
      • Canada (FR)
      • United Kingdom

Used 2020 GMC Terrain for Sale near Denver, CO

107 results
Denver, CO
2021 GMC Terrain SLE AWD The Sharpest Rides

2021 GMC Terrain

SLE AWD

67,695 miles

$16,988

Good Deal
Englewood, CO
5 mi away
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:
Gray
Combined gas mileage:
26 MPG
Fuel type:
Gasoline
Interior color:
Gray
Transmission:
Automatic
Mileage:
67,695
Stock number:
S69322
VIN:
3GKALTEV0ML367723

Sponsored

2019 GMC Terrain SLE AWD

2019 GMC Terrain

SLE AWD

86,007 miles

$15,990

Fair Deal
Boulder, CO
22 mi away
Year:
2019
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
252 hp 2L I4
Exterior color:
Graphite Gray Metallic
Combined gas mileage:
23 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
9-Speed Automatic
Mileage:
86,007
Stock number:
257758B
VIN:
3GKALTEX5KL344209

Sponsored

2019 GMC Terrain SLT AWD

2019 GMC Terrain

SLT AWD

92,159 miles

$15,950

Good Deal
Englewood, CO
7 mi away
Year:
2019
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
252 hp 2L I4
Exterior color:
Blue
Combined gas mileage:
23 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
92,159
Stock number:
KBB7891
VIN:
3GKALVEX1KL142415

Sponsored

2021 GMC Terrain SLE AWD

2021 GMC Terrain

SLE AWD

67,695 miles

$16,988

Good Deal
Englewood, CO
5 mi away
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:
Gray
Combined gas mileage:
26 MPG
Fuel type:
Gasoline
Interior color:
Gray
Transmission:
Automatic
Mileage:
67,695
Stock number:
S69322
VIN:
3GKALTEV0ML367723

Preparing for a close up...

Photos coming soon

2021 GMC Terrain

SLE AWD

71,388 miles

$18,800

Fair Deal
Broomfield, CO
12 mi away
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:
Gray
Combined gas mileage:
26 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
71,388
Stock number:
ML349399
VIN:
3GKALTEV4ML349399

Preparing for a close up...

Photos coming soon

2020 GMC Terrain

SLT AWD

101,895 miles

$14,498

Good Deal
Englewood, CO
8 mi away
Year:
2020
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
1.5L I4
Exterior color:
Gray
Combined gas mileage:
26 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
101,895
Stock number:
15013
VIN:
3GKALVEV2LL204937

Preparing for a close up...

Photos coming soon

2020 GMC Terrain

SLE FWD

115,210 miles

$13,984

Fair Deal
Greeley, CO
47 mi away
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:
Black
Transmission:
9-Speed Automatic Overdrive
Mileage:
115,210
Stock number:
N11945
VIN:
3GKALMEVXLL311020

Preparing for a close up...

Photos coming soon

2019 GMC Terrain

SLE AWD

86,007 miles

$15,990

Fair Deal
Boulder, CO
22 mi away
Year:
2019
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
252 hp 2L I4
Exterior color:
Graphite Gray Metallic
Combined gas mileage:
23 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
9-Speed Automatic
Mileage:
86,007
Stock number:
257758B
VIN:
3GKALTEX5KL344209

Preparing for a close up...

Photos coming soon

2020 GMC Terrain

SLT AWD

93,150 miles

$16,590

Fair Deal
Denver, CO
4 mi away
Year:
2020
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
1.5L I4
Exterior color:
White
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic Overdrive
Mileage:
93,150
Stock number:
11682
VIN:
3GKALVEV9LL172536

Preparing for a close up...

Photos coming soon

2020 GMC Terrain

Denali AWD

91,321 miles

$19,251

Good Deal
Lakewood, CO
9 mi away
Year:
2020
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
252 hp 2L I4
Exterior color:
Gray
Combined gas mileage:
23 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
Automatic
Mileage:
91,321
Stock number:
STW252355B
VIN:
3GKALXEXXLL231932

Preparing for a close up...

Photos coming soon

2019 GMC Terrain

SLT AWD

92,159 miles

$15,950

Good Deal
Englewood, CO
7 mi away
Year:
2019
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
252 hp 2L I4
Exterior color:
Blue
Combined gas mileage:
23 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
92,159
Stock number:
KBB7891
VIN:
3GKALVEX1KL142415

Preparing for a close up...

Photos coming soon

2020 GMC Terrain

SLT FWD

67,685 miles

$17,997

Good Deal
Loveland, CO
46 mi away
Year:
2020
Make:
GMC
Model:
Terrain
Body type:
SUV / Crossover
Doors:
4 doors
Drivetrain:
Front-Wheel Drive
Engine:
1.5L I4
Exterior color:
Black (Ebony Twilight Metallic)
Combined gas mileage:
28 MPG
Fuel type:
Gasoline
Interior color:
Jet Black
Transmission:
9-Speed Automatic
Mileage:
67,685
Stock number:
175559T
VIN:
3GKALPEV9LL175559

Preparing for a close up...

Photos coming soon

2021 GMC Terrain

SLE AWD

71,388 miles

$18,800

Fair Deal
Broomfield, CO
12 mi away
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:
Gray
Combined gas mileage:
26 MPG
Fuel type:
Gasoline
Interior color:
Black
Transmission:
9-Speed Automatic
Mileage:
71,388
Stock number:
ML349399
VIN:
3GKALTEV4ML349399

Sponsored

  1. Home
  2. / Used Cars
  3. / GMC Terrain
  4. / 2020
  5. / Colorado
  6. / Denver
Overview
Reviews
FAQs

CarGurus Analysis: 2020 GMC Terrain

Picture of 2020 GMC Terrain ## Summary - With 2,476 currently listed for sale on CarGurus and an **average price of $17,822.00**, 36.6% of 2020 GMC Terrains for sale on CarGurus are rated as good or great deals. - **Favorably reviewed:** Owners rated the 2020 GMC Terrain 4.62 / 5 stars. - **68.4% of 2020 Terrain models on CarGurus are accident free**. - The 2020 GMC Terrain is praised for its comfortable ride, spacious interior, and advanced safety features, making it a strong contender in the compact SUV market. ## Why it stands out The 2020 GMC Terrain stands out in the crowded compact SUV segment due to its blend of comfort, spacious interior, and appealing safety features. Many owners appreciate the luxurious feel of the higher Denali trim, which includes an intuitive entertainment system and upscale materials. Though the Terrain offers an overall pleasant driving experience, some users have raised concerns regarding its ride comfort compared to larger SUVs like the Traverse and highlighted potential issues with rear passenger space. The economical performance further adds to its appeal, combining efficiency with practicality for everyday use. ## Other model years to consider - **[2023 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2023-GMC-Terrain-c32471)** - Average price: $23,168.00 - Good/great deal percentage: 31.5% - User rating: 5 / 5 - Total listings: 5,509 - **[2024 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2024-GMC-Terrain-c33045)** - Average price: $23,289.00 - Good/great deal percentage: 31.9% - User rating: 5 / 5 - Total listings: 4,547 - **[2021 GMC Terrain](https://www.cargurus.com/Cars/l-Used-2021-GMC-Terrain-c30365)** - Average price: $18,686.00 - Good/great deal percentage: 33.5% - User rating: 5 / 5 - Total listings: 3,014 This analysis is based on CarGurus' proprietary market data from February 10, 2026, CarGurus experts' opinions, and generative AI.

4.7 Overall rating

(29 reviews)
Anonymous
5.0
Reviewed a 2020 GMC Terrain on Sep 22, 2020

It’s extremely comfortable, and I love the safety features! Spacious, sharp, and drives great!

Anonymous
5.0
Reviewed a 2020 GMC Terrain on Feb 06, 2023

This Denali has everything, full loaded and I love it. The entertainment system is great and is very intuitive. Feels like a luxury car inside and the ride is smooth an comfortable. Perfect crossover for someone who really likes the perks.

T. D. R
5.0
Reviewed a 2020 GMC Terrain on Oct 27, 2021

This SUV is a great vehicle. I love the appearance and safety features. The vehicle is also affordable.

D'Srae K
5.0
Reviewed a 2020 GMC Terrain on Jan 30, 2022

The vehicle is very spacious and it drives real smooth. It is a great vehicle for on the road traveling and everyday round abouts. I would recommend this SUV to anyone.

Anonymous
3.0
Reviewed a 2020 GMC Terrain on Nov 03, 2020

Missing comfort for rear passengers .Also a higher price point then comparable models.

2020 GMC Terrain FAQs

How much does the 2020 GMC Terrain cost in Denver, CO?

The average 2020 GMC Terrain costs about $17,780.11. The average price has decreased by -9.4% since last year. The 107 for sale near Denver, CO on CarGurus, range from $9,499 to $26,490 in price.

How many 2020 GMC Terrain vehicles in Denver, CO have no reported accidents or damage?

107 out of 107 for sale near Denver, CO have no reported accidents or damage.

What is the fuel economy of the 2020 GMC Terrain?

Depending on the engine and options, the 2020 GMC Terrain gets between 23 and 27 MPG (or EV battery range).

What fuel types are available?

Gasoline engines are available.

  • 2023 GMC Terrain

  • 2022 GMC Terrain in Denver CO

  • 2021 GMC Terrain

  • 2019 GMC Terrain in Denver CO

  • 2018 GMC Terrain in Denver CO

  • 2017 GMC Terrain in Denver CO

  • GMC Terrain SLT AWD

  • GMC Terrain SLE AWD

  • GMC Terrain SLE FWD

  • GMC Terrain SLT FWD

  • GMC Terrain Denali AWD

  • GMC Terrain Denali FWD

  • GMC Terrain SLT Diesel AWD

  • GMC Terrain SLE Diesel AWD

  • Toyota RAV4 in Denver CO

  • Chevrolet Equinox in Denver CO

  • Hyundai Santa Fe in Denver CO

  • GMC Terrain in Denver CO

  • OBS 1990s-era Chevy and Ford Trucks for Sale in Denver CO

  • Used GMC Electric Cars for Sale

  • Lifted GMC trucks for sale in Denver CO

  • GM Certified Preowned Vehicles for Sale Near Denver CO

  • All Used Cars

  • Manual Transmission Cars

  • Luxury Cars

  • Cars with Red Interior

  • Cheap Manual Cars

  • Hybrid Cars

  • Sports Cars

  • Electric SUVs

  • Cheap Trucks

  • Small Cars

  • Third Row SUVs

  • Three Quarter Ton Trucks

  • Lifted Trucks

  • Manual Transmission Trucks

  • Diesel Trucks

  • Hybrid SUVs

  • Dually Trucks

  • One Ton Trucks

  • Cheap SUVs

  • Lifted Ford Trucks

  • 4x4 Trucks

  • Work Trucks

  • AWD SUVs

  • Ford Trucks

  • Chevrolet Trucks

  • Toyota Trucks

  • Trucks Under $10,000

  • Cars Under $15,000

  • Sports Cars Under $20,000

  • Trucks Under $20,000

  • Used Sedans for Sale with Low Mileage

  • Used SUVs / Crossovers for Sale with Low Mileage

  • Used Hatchbacks for Sale with Low Mileage

  • Used Convertibles for Sale with Low Mileage

  • Used Vans for Sale with Low Mileage

  • Used Minivans for Sale with Low Mileage

  • Used Pickup Trucks for Sale with Low Mileage

  • Used Coupes for Sale with Low Mileage

  • Used Wagons for Sale with Low Mileage

  • Johnson Auto Plaza

  • Castle Rock Chevrolet GMC

  • Mike Maroone Chevrolet Buick GMC Longmont

  • Shortline Buick-GMC

  • Mike Maroone Cadillac Buick GMC

  • Transwest GMC Isuzu

  • AutoNation Buick GMC West

  • Loveland Buick GMC

Connect with us
Download our app
Download on the App Store Get it on Google Play
  • Company
  • About CarGurus
  • Our team
  • Press
  • Investor relations
  • Price trends
  • Careers
  • Advertise with CarGurus
  • For dealers
  • Dealer signup
  • Dealer resources
  • Terms
  • Terms of use
  • Privacy policy
  • Interest-based ads
  • Security
  • Help
  • Help center
  • Contact us
Click for the BBB Business Review of this Auto Listing Service in Cambridge MA
    • United States (EN)
    • Estados Unidos (ES)
    • Canada (EN)
    • Canada (FR)
    • United Kingdom

© 2026 CarGurus, Inc., All Rights Reserved.