2018 GMC Canyon Depreciation
A 8-year-old 2018 GMC Canyon has lost about 37.4% of its roughly $28,260 original value. In the 2026 source cohort, it typically listed for around $21,407, with most listings between $16,685 and $25,206. Listed examples average 94,795 miles.

2018 GMC Canyon Price by Mileage
What buyers actually pay at different odometer readings.
How Mileage Affects 2018 GMC Canyon Price
Each dot is a real listing — price plotted against odometer reading.
| Mileage | Median price | Listings |
|---|---|---|
| 30k–50k mi | $25,583 | 10 |
| 50k–75k mi | $23,886 | 34 |
| 75k–100k mi | $23,109 | 47 |
| 100k–130k mi | $19,268 | 52 |
| Over 130k mi | $16,728 | 21 |
What's a Good Price for a 2018 GMC Canyon?
Great deal
Under $18,461
Typical
$18,461–$24,098
Overpriced
Above $24,098
Based on the middle 50% of listings — always adjust for mileage and condition.
Price Spread
Range across 167 listings.
Half of all listings fall between $18,461 and $24,098, with a median of $21,407.
2018 GMC Canyon Efficiency & Specs
EPA fuel-economy and powertrain data.
Combined
21 MPG
City / Hwy
19 / 26
Fuel / year
$3,000
Fuel
Regular
Engine
2.5L 4-cyl
EPA class
Small Pickup Trucks 2WD
Depreciation by Trim
See how each 2018 GMC Canyon trim holds its value.
| Trim | Fuel | MSRP | Median Resale | Depreciation | Listings |
|---|---|---|---|---|---|
| SLE | Gasoline | $28,260 | $19,985 | 34.0% | 62 |
| Base | Gasoline | $24,355 | $15,976 | 34.0% | 25 |
| SLT | Gasoline | $34,505 | $22,907 | 38.4% | 32 |
| All Terrain | Gasoline | $34,520 | $22,404 | 39.6% | 18 |
| Denali | Gasoline | $39,305 | $24,217 | 43.5% | 30 |
How the 2018 GMC Canyon Compares to Other Years
At 37.4% depreciation, the 2018 GMC Canyon sits among its neighbors on the depreciation curve. The one-year-newer 2019 has lost 33.6% (around $25,182), so stepping up a model year costs roughly $3,775 more. The older 2017 sits at 40.3% (around $20,244), so dropping back a year saves about $1,163. Buying one model year newer or older is one of the easiest ways to trade purchase price against age and remaining warranty.
Safety Ratings
NHTSA crash test ratings for the 2018 GMC Canyon.
Known Issues & Complaints
51 NHTSA complaints, 1 recalls reported.
POWER TRAIN
24 complaintsThis is a known problem with GMC and Chevy trucks, known as the Rumble. At approximately 45mph and up, the truck feels like it’s going over rumble strip and the back end is slipping. This causes the steering wheel and truck to shake. It cou
ELECTRICAL SYSTEM
9 complaintsThe contact owns a 2018 GMC Canyon. The contact stated while parking the vehicle, the ignition key was difficult to remove from the ignition cylinder. The contact stated that the failure was constant and was unable to remove the key from th
UNKNOWN OR OTHER
3 complaintsThe truck have a bad shudder that can shake you off the road. They know about the issue because its been an issue with there vehicles. I have a 2020 colorado also with this dangerous issue.
STEERING
3 complaintsTransmission shifting really hard, has problem shifting from low gear shaking when brakes are applied makes loud noises when you go reverse to park and park to any gear Driving home lost power Steering and had to pull of freeway This truck
ENGINE
2 complaintsMy 2018 GMC Canyon just underwent repairs due to a crack in the head gasket. A serious issue which resulted in having to take said GMC Canyon to a mechanic before further damage to the engine could be suffered. My truck only had a measly 76
EXTERIOR LIGHTING
2 complaintsBackup lights are not working; bulbs are good. No apparent chafing/wear on wiring harness. Removed ground strap, cleaned and reattached. Still not working. 48,000 miles on 2018 GMC Canyon SLT, diesel engine.
Top Issues
- POWER TRAIN
- ELECTRICAL SYSTEM
- UNKNOWN OR OTHER
- STEERING
- ENGINE
Buyer Red Flags
- !Recall 18V358000 (FUEL SYSTEM, GASOLINE): General Motors LLC (GM) is recalling certain 2015-2018 GMC Canyon, 2016-2017 Buick Envision, 2016-2018 Chevrolet Colorado and Malibu, 2017-2018 GMC Acadia, 2018 Buick LaCrosse, Cad
Frequently Asked Questions
How much is a 2018 GMC Canyon worth?
A 2018 GMC Canyon is typically worth around $21,407, with most listings falling between $16,685 and $25,206. The single biggest swing factor is mileage — listed examples average about 94,795 miles, and each additional 10,000 miles shaves a few percent off the price. Condition, accident history, trim, and how many owners a car has had move the number from there. Treat the median as a fair starting point and adjust up for a clean, low-mileage, one-owner car or down for higher mileage and any reported damage.
How much has the 2018 GMC Canyon depreciated?
The 2018 GMC Canyon has lost about 37.4% of its original $28,260 base MSRP — roughly $10,569 in value, after adjusting listing prices to typical mileage for the age. Most of a car's lifetime depreciation happens in its earliest years, so a vehicle of this age has usually weathered the steepest part of the curve already. That's what makes a well-kept example at this age an efficient buy: you let the original owner absorb the fastest depreciation, then enjoy a much slower decline from here.
How many miles does a used 2018 Canyon have?
Listed 2018 Canyons average about 94,795 miles, with most between 62,946 and 128,030. As a rule of thumb, "average" mileage for any car is roughly 12,000 miles per year of age, so compare a specific listing against that benchmark. A below-average odometer commands a premium and an above-average one a discount, but a higher-mileage car with complete service records and one owner can be a better buy than a low-mileage car with gaps in its history. Consistent maintenance does more for a car's remaining lifespan than a low number on the odometer alone.
What is a good price for a 2018 GMC Canyon?
For a 2018 GMC Canyon, anything under $18,461 is a strong deal, $18,461 to $24,098 is the typical range where most cars trade, and above $24,098 is on the expensive side — those higher prices usually buy lower mileage, a certified warranty, or a premium trim. Always weigh the asking price against the car's specific mileage and condition rather than the sticker alone: a slightly higher price for a clean, one-owner, accident-free example is often money well spent. And treat a listing priced well below the range as a prompt to dig deeper — unusually cheap cars almost always have a reason, whether it's high mileage, accident history, or a branded title.
Methodology
Figures for the 2018 GMC Canyon are computed from 167 real used-car listings. Each asking price is normalized to a standard 12,000 miles per year for the car's age, adjusted by a 5% asking-to-sale estimate, and compared against the original base MSRP for that VIN's trim. Full methodology. Updated August 2026.