Trim Report

GMC Terrain AT42026

Includes:TERRAIN|AT4
$14,995
Starting From
2,444
Active Listings
—
Avg Mileage

Sourced from 2,444 dealer listings in the latest market snapshot as of

Min $14,995
Max $50,426
From $14,995
Fresh

AT4 Market Overview

All Trims Combined
From$22,999
$23K–$51K
3,637 listings25,027 avg miles
AT4
From$14,995
2,444 listings|$15K–$50K
Denali
From$1,200
2,484 listings|$1K–$51K
Elevation
From$22,571
5,776 listings|$23K–$46K
SLE
From$800
3,712 listings|$800–$35K
SLT
From$1,275
2,751 listings|$1K–$40K

2026 GMC Terrain AT4 Pricing

Price Trend

Building price history...

It's a buyer's market.

With 2,444 listings to choose from, you can afford to be picky. Let us filter the noise and find your perfect match.

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Where to Find GMC Terrain AT4

Location data for all 2026 GMC Terrain trims combined

41States

10% of the market sits in Michigan, though listings span 41 states. Expand your search and you'll find more options at better prices.

GMC Terrain Safety & Reliability

Safety data for all 2026 GMC Terrain trims

Elevated

The 2026 GMC Terrain has a elevated safety risk profile with 0 recall campaigns and 24 NHTSA complaints. Before buying, verify that all recalls have been completed. It's free at any dealer.

0
Recalls
24
Complaints
1
Crashes
2
Fires

Source: National Highway Traffic Safety Administration (NHTSA)

Top Complaint Areas

Across 1 model years, 24 owners have filed complaints about the 2026 GMC Terrain. UNKNOWN OR OTHER issues top the list, so ask the seller about this area specifically during your inspection.

01Unknown Or Other6
02Power Train3
03Structure2
04Service Brakes2
05Steering,suspension,wheels2
24 total across 1 model years (2026–2026)Full data at NHTSA.gov
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GMC Terrain Fuel Economy

EPA fuel economy data for all 2026 GMC Terrain trims

25–27mpg combined
·
24-26city
·
26-28hwy
·
$2,500-$2,700/yr

Across 3 configurations, the 2026 GMC Terrain returns 25–27 MPG combined. Choose the thriftier option if you're commuting; the sportier setup if you're not counting gallons.

By Trim
Terrain FWD - Automatic (variable gear ratios)
27mpg
1.5L 4-cyl Turbo · Front-Wheel Drive
26 city28 hwy~$2,500/yr5/10 Average
Terrain AWD - Automatic 8-spd
25mpg
1.5L 4-cyl Turbo · All-Wheel Drive
24 city28 hwy~$2,700/yr5/10 Average
Terrain AWD Denali/AT4 - Automatic 8-spd
25mpg
1.5L 4-cyl Turbo · All-Wheel Drive
24 city26 hwy~$2,700/yr5/10 Average

Source: U.S. Environmental Protection Agency (EPA)

AT4 Trim Buyer Questions

What to know about the 2026 GMC Terrain AT4

How does the AT4 compare to other GMC Terrain trims?

Every GMC Terrain trim targets a different buyer. The 2026 model page compares all available trims side by side.

What should I know about maintaining the 2026 GMC Terrain AT4?

The AT4 shares its core mechanicals with other GMC Terrain trims, so major service intervals are similar. Watch for unknown or other issues, the most commonly reported problem area. The 2026 model page has the details.

What are the best years for the GMC Terrain AT4?

Check the price-to-mileage ratio for each GMC Terrain AT4 year. The last year before a generation change is usually the most refined; the first year after is when resale drops fastest. The GMC Terrain overview compares all years side by side.

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