Trim Report

GMC Terrain SL2026

Includes:TERRAIN|SL

SL Market Overview

All Trims Combined
From$23,967
$24K–$51K
2,897 listings25,052 avg miles
AT4
From$14,995
2,375 listings|$15K–$48K
Denali
From$1,200
2,387 listings|$1K–$54K
Elevation
From$22,499
5,308 listings|$22K–$65K
SLE
From$800
3,568 listings|$800–$35K
SLT
From$1,275
2,676 listings|$1K–$40K
Data coming soon
SL

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
·
$2,300-$2,450/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~$2,300/yr5/10 Average
Terrain AWD - Automatic 8-spd
25mpg
1.5L 4-cyl Turbo · All-Wheel Drive
24 city28 hwy~$2,450/yr5/10 Average
Terrain AWD Denali/AT4 - Automatic 8-spd
25mpg
1.5L 4-cyl Turbo · All-Wheel Drive
24 city26 hwy~$2,450/yr5/10 Average

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

Is the SL Worth It?

Common questions about the 2026 GMC Terrain SL

How does the SL compare to other GMC Terrain trims?

the SL sits in a specific spot in the 2026 GMC Terrain lineup. Compare pricing across all trims on the 2026 GMC Terrain page.

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

Budget for standard SL maintenance plus any trim-specific items. Review the known issues on the model year page for areas to inspect before purchasing.

What are the best years for the GMC Terrain SL?

The best model year for the GMC Terrain SL comes down to the price-to-mileage ratio. Compare all years on the GMC Terrain overview.

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