Is the $18,838 price on this 2021 GMC Terrain a good deal?

OAV rates this as Fair Price because the asking price of $18,838 is within the typical market range for this vehicle.

How long does a 2021 GMC Terrain typically stay on dealer lots?

Comparable GMC Terrain listings in WI spend an average of 63 days on dealer lots.

Where is this 2021 GMC Terrain located?

This vehicle is listed in Janesville, WI 53546. VIN: 3GKALVEV0ML318548. Mileage: 105,662 miles.

What is the fair market price range for this 2021 GMC Terrain?

OAV's Price-to-Market analysis estimates the fair market range is $16,412 to $25,158, based on 15 comparable listings matched to this vehicle.

2021 GMC Terrain SLT for Sale in Janesville, WI

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Vehicle Details

VIN3GKALVEV0ML318548

TrimSLT

Exterior ColorWhite

Drivetrain4WD

Engine1.5L I4

TransmissionAutomatic

Fuel TypeUnleaded

Inventory Typeused

Days on Lot48

SLT

Fair Price

$18,838105,662 mi

Janesville, WI 53546

Is this 2021 GMC Terrain SLT a good deal?

OAV verdict: Fair Price

Why: Listed at $18,838, comparable market range $16,412–$25,158, based on 15 comparable listings. Days on lot: 48 days (market average 63 days).

Market price position

$18,838 · within market range

Comparable range: $16,412 – $25,158
vs. market: $2,426 above low · $6,320 below high
Comparable vehicles: 15

Market Retail Price (MRP™)

$20,785

This vehicle $18,838 · $1,947 (9%) below MRP

MRP™ is the midpoint of the comparable market range — the representative price the market is asking for similar vehicles. How MRP works.

True Retail Value (TRV™)

$17,194

This vehicle $18,838 · $1,644 (10%) above TRV

TRV™ is the average paid price for cars like this in the last 60 days (sold data through 2026-08-01) — an estimate, not an appraisal. How TRV works.

Comparable vehicles nationally recently sold in an estimated 12–50 days.

Market Breakdown

Local = comparable listings in the same metro. Regional = comparable listings across the broader state or multi-state region. Both ranges are rebuilt from the market snapshot shown above.

Regional Range$16,412 – $25,158

Boucher Hyundai Of Janesville

Janesville, WI

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

View all vehicles from boucher hyundai of janesville →

Request availability and out-the-door price

OAV will route your inquiry to Boucher Hyundai Of Janesville for current availability of this 2021 GMC Terrain SLT and an out-the-door price quote (taxes, fees, addons included).

OAV routes your inquiry; pricing, taxes, fees, and availability come from the dealer.

About This 2021 GMC Terrain

Listing updated: Aug 1, 2026

Listed by a franchise dealer in Janesville, WI · On lot for 48 days · VIN verifiable at NHTSA

This used 2021 GMC Terrain SLT is listed at $18,838 by boucher hyundai of janesville in Janesville, WI 53546. It has 105,662 miles on the odometer (dealer-reported, not independently verified by OAV). The exterior color is White. 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 Fair Price — priced at market value. Based on 15 comparable listings matched to this vehicle, the estimated market range is $16,412 to $25,158. These comparisons match year, make, and model and may currently span trims and configurations (trim-level matching is rolling out).

This vehicle has been on the lot for 48 days.

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

Market context

This listing is part of OAV's broader Janesville, WI suvs market analysis. OAV compares vehicles using local and regional price-to-market ranges, days-on-lot, comparable count, and demand signals where available.

How this deal is rated

OAV compares this 2021 GMC Terrain against similar vehicles currently available in the local and regional market — same make, model, and year range (currently across available trims and configurations; trim-level matching is rolling out), filtered for comparable mileage. Based on where this listing falls in that comparable set, it is rated:

Great Deal — priced below the typical range for comparable vehicles.
Fair Price — priced within the expected range for comparable vehicles.
Overpriced — priced above the typical range for comparable vehicles.

Listings show OAV's PTM-derived deal quality and live market context. OAV-claimed dealers manage their listing profile and route buyer inquiries directly. Paid OAV partners surface additional verification signals.

How this listing is verified

This vehicle listing was aggregated from a franchise dealer in Janesville, WI, one of 57,000+ U.S. dealerships in OAV's nationwide inventory network.The VIN 3GKALVEV0ML318548 can be independently verified via the U.S. Department of Transportation's NHTSA VIN decoder, and safety recalls at NHTSA's recall database.

Vehicle attributes (year, make, model, trim, mileage, location) are standardized using OAV's patented methodology (U.S. Patent No. 12,236,477), which normalizes naming conventions and deduplicates cross-listed inventory across the dealership network. Listing data is processed daily; Price-to-Market analysis uses comparable vehicles within the same geographic market.

2021 GMC Terrain Market in WI

WI Market Listings

221

Average Price

$21,431

Price Range

$9,950–$32,354

Avg Days on Lot

Based on all 221 2019-2023 GMC Terrain listings in the WI market, the average asking price is $21,431. This listing at $18,838 is $2,593 below the broader WI average (12% below the WI average). This is a wider, all-trim comparison across WI; OAV's price verdict above uses the closer comparable set. Comparable prices in WI range from $9,950 to $32,354. Similar vehicles spend an average of 63 days on dealer lots in this market.