A 2026 GMC Terrain averages $27,869 today, with most selling between $20,900 and $40,820. ForCar prices the GMC Terrain from real US listings across 17 model years ($4,800–$27,869) — trade-in, private-party and dealer, adjusted for mileage. Free, no signup.
A 2021 GMC Terrain still asks 63% of what a 2026 one does — that's how much value it holds after 5 years. Among 82 suvs we price, that ranks #12, above the 49% class median. The steepest single-year drop comes at year 7 (−19.3%), after which losses ease to about 15.3% a year. Mileage costs it 46%: the same car reads 100k–150k instead of Under 40k miles. Calculated from 786 listings.
GMC Terrain value by year
What a GMC Terrain is worth at each model year, from real US listings — the low (trade-in), median (private-party) and high (dealer) price.
| Year | Trade-in | Median | Dealer | Listings |
|---|---|---|---|---|
| 2026 | $20,900 | $40,820 | 27 | |
| 2025 | $23,997 | $31,500 | 3 | |
| 2024 | $16,995 | $28,442 | 23 | |
| 2023 | $20,815 | $26,948 | 28 | |
| 2022 | $14,995 | $24,600 | 19 | |
| 2021 | $14,077 | $20,500 | 21 | |
| 2020 | $9,999 | $21,500 | 35 | |
| 2019 | $9,995 | $18,321 | 47 | |
| 2018 | $7,990 | $19,500 | 62 | |
| 2017 | $4,999 | $12,995 | 77 | |
| 2016 | $3,900 | $11,995 | 86 | |
| 2015 | $4,295 | $9,500 | 112 | |
| 2014 | $2,995 | $9,250 | 86 | |
| 2013 | $3,500 | $6,999 | 68 | |
| 2012 | $2,900 | $9,900 | 38 | |
| 2011 | $3,500 | $7,995 | 33 | |
| 2010 | $1,950 | $6,500 | 21 |
How the GMC Terrain depreciates
Median market price by model year — how a GMC Terrain loses (or holds) value as it ages, from real listings. See how it tracks against the typical depreciation curve by age:
The newest GMC Terrain averages $27,869; a 16-year-older one runs about $4,995 — roughly 82% lost over 16 years. The steepest drop is usually in the first few years.
Does the GMC Terrain hold value better than its rivals?
Every suv we price, ranked by how much of its 2026 price a 2021 car still asks. Higher is better — the GMC Terrain sits at #12 of 82, against a class median of 49%.
The GMC Terrain market right now
What the market asks for a GMC Terrain at each model year — the median of 2,304 real listings we track. Pro plots every individual listing on this chart.
Adjust your GMC Terrain value for mileage
Pick a model year and enter your odometer — see what your exact GMC Terrain is worth on today's market.
And here's what the market actually asks at each odometer band — crossing 100k costs a GMC Terrain about 46% of its under-40k price:
Trade-in, private-party & dealer price
Every GMC Terrain has three prices. Our low–median–high range maps to what a dealer pays you, what you'd get selling it yourself, and what a lot charges — compare with current used-market prices across all models.
For a 2026 GMC Terrain: a dealer trade-in offer is around $20,900, selling private-party nets about $27,869, and a lot asks near $40,820 — a $19,920 spread on the same car.
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Get an exact GMC Terrain value by VIN
Trim, engine and options move the value. Decode your GMC Terrain's VIN free to pin the exact build, then check its market value.
More on the GMC Terrain
GMC Terrain value FAQ
How much is a GMC Terrain worth?
A 2026 GMC Terrain averages $27,869 today (roughly $20,900–$40,820). Value depends on the year and mileage — see the table above for every model year, or add your mileage for an exact number.
Does mileage change the GMC Terrain value?
Yes — higher mileage lowers value. Enter your odometer reading in the mileage tool above to adjust the estimate from the model-year average.
Is the GMC Terrain value free?
Yes, every estimate is free with no signup, from real US market listings.
How is this calculated?
ForCar aggregates real asking prices for the GMC Terrain from current US listings into the low (10th percentile), median and high (90th percentile) price per model year.
Which GMC Terrain year is the best value?
See the value-by-year table and depreciation above — older years cost less but the newest years hold value best. The sweet spot is usually a few years old, where the steepest depreciation has already happened.
Is this a free GMC Terrain Blue Book alternative?
Yes. ForCar is a free, no-signup alternative to Kelley Blue Book and NADA — instead of a private formula, you see what GMC Terrains are actually listed for right now, by year and mileage.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.