GMC Terrain exterior
Image: Auto Reliability Index
Gasoline · SLT-1 trim

2015 GMC Terrain SLT-1

72.5% depreciation ($21,289)

2015 GMC Terrain SLT-1 has a median resale price of $8,531 against an original MSRP of $29,820, which works out to 72.5% depreciation across 46 analyzed listings. It ranks 5 of 5 trims by value retention for this model year. This trim is listed with gas and front wheel drive.

Depreciation Details

MSRP (When New)
$29,820
Median Resale Price
$8,531
Depreciation
72.5%
Listings Analyzed
46

How SLT-1 Compares to Other 2015 Trims

Lower depreciation means stronger resale retention. The SLT-1 ranks 5 of 5 trims with enough listing data for this model year.

TrimMSRPMedian ResaleDepreciationListings
SLE-1$26,560$8,89970.8%57
Denali$35,490$11,99571.2%15
SLE-2$28,060$9,30671.4%58
SLT-2$33,065$10,12472.4%24
SLT-1this trim$29,820$8,53172.5%46

Specifications

Engine Typegas
Horsepower182 hp
Torque172 lb-ft
Transmission6-speed shiftable automatic
Drivetrainfront wheel drive
City MPG22 mpg
Highway MPG32 mpg
Combined MPG26 mpg
Engine Size2.4
CylindersI4
Body TypeSUV
Doors5
Seats5
Curb Weight3,867 lbs
Cargo Capacity31.6
Fuel Tank18.0

Frequently Asked Questions

How much has the 2015 GMC Terrain SLT-1 depreciated?

The 2015 GMC Terrain SLT-1 shows 72.5% depreciation from its original MSRP. In dollar terms, the median listing price is $8,531 compared with an original MSRP of $29,820. This is based on 46 current used-market listings, so it should be read as market research rather than a guaranteed trade-in value.

Is the SLT-1 trim a good value for this model year?

The value case depends on how its depreciation compares with neighboring trims and whether the equipment matters to you. Among the 5 trims with enough listing data, it ranks 5 by lowest depreciation. A lower depreciation percentage usually means stronger resale value, while a larger dollar discount can be attractive if you care more about purchase price than future resale. Compare mileage, condition, accident history, and options before treating the trim ranking as a final buying decision.

What specs are matched for the 2015 GMC Terrain SLT-1?

The matched spec record lists gas, front wheel drive, 6-speed shiftable automatic, 26 combined MPG. The spec match is used only when it can be tied to this model year and trim without an ambiguous join. If source records disagree, the page favors the depreciation data and avoids presenting unsupported mechanical details as fact.