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2021 GMC Terrain

Vehicle Details

VIN3GKALTEV6ML341353
TrimSLE
Exterior ColorPurple
Drivetrain4WD
Engine1.5L I4
TransmissionAutomatic
Fuel TypeUnleaded
Inventory Typeused
MSRP$17,900
Days on Lot102
Days on Market305

2021 GMC Terrain

SLE

Great Deal
$17,90065,345 miles

Belle Vernon, PA 15012

Market price position

18,186
20,210
17,900

$17,900 · $286 below market low

$18,186comparable$20,210
Regional range
$18,186 – $20,210
vs. market low
— $286 (2% below)
Comparable vehicles
9

Market Breakdown

Regional Range$18,186 – $20,210

Dealer Info

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Belle Vernon, PA

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About This 2021 GMC Terrain

Listing updated: Apr 20, 2026

This used 2021 GMC Terrain SLE is listed at $17,900 by a dealer in Belle Vernon, PA 15012. It has 65,345 miles on the odometer. The exterior color is Purple. It features a 4WD drivetrain with a 1.5L I4 engine and Automatic transmission.

OAV's AI-powered Price-to-Market analysis rates this vehicle as a Great Deal — priced below market value. Based on 9 similar vehicles in the Belle Vernon market, the estimated market range is $18,186 to $20,210.

This vehicle has been on the lot for 102 days.

Analysis powered by OAV's patented inventory standardization technology (U.S. Patent No. 12,236,477).

2021 GMC Terrain Market in PA

Comparable Vehicles

1,499

Average Price

$23,140

Median Price

$23,250

Avg Days on Lot

36

Based on 1,499 comparable 2019-2023 GMC Terrain listings in PA, the average asking price is $23,140 and the median is $23,250. This listing at $17,900 is $5,240 below average (23% below market). Comparable prices in PA range from $6,500 to $34,999. Similar vehicles spend an average of 36 days on dealer lots in this market.

Similar GMC Terrain Listings in PA

8 comparable vehicles with similar year and mileage