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GMC · Pickup Truck · 2015–2022 Custom Search

GMC Canyon GMT31XX

Weaknesses, engine ratings and buying advice

The GMT31XX-generation Canyon (2015–2022) is GM's mid-size pickup — the slightly upscale sister to the Chevrolet Colorado, with its own grille, a nicer factory interior, and the luxurious Denali trim at the top. As a compact truck it's far more usable in Europe than the full-size beasts, and correspondingly more popular as an import.

The engines: The Canyon GMT31XX used the 2.5L four, the strong 3.6L V6 (LGZ/LFX) and the notable 2.8L Duramax diesel. The V6 is the rounded choice — rev-happy, enough pulling power, with the known GM 3.6 themes (chain-tensioner rattle on cold start, carbon buildup, water pump). The 2.8 diesel is torquey and frugal but demands clean DEF/AdBlue maintenance and a documented timing-belt change. For the buying decision, a complete service book matters most here.

Model years: Early 2015/2016 trucks had more software and transmission teething trouble. Noticeably matured from 2017/2018; if you want the diesel, stick to well-kept examples with unbroken history.

Whole vehicle: The 8L45 torque-converter shudder is the most common driveline complaint. Then electric power steering (EPS) failure, the classic rear-leaf-spring spring slap clunk on take-off/braking, and the freezing IntelliLink/MyLink display (black screen).

Test drive: At 40–50 mph part-throttle, feel for a pulsing shudder (converter). Reverse and brake — any clunk from the rear? (spring slap). Check steering for sudden stiffness. Cycle the infotainment repeatedly to see if it hangs or goes black.

Market 2026: Imports roughly EUR 22,000–35,000 depending on engine and mileage, diesel and Denali above. Insider pick: a 2018–2020 3.6 V6 with documented converter/transmission history and spring slap sorted — the handy GMC truck for anyone who finds the Sierra too big.

Generations


Vehicle Weaknesses

WeaknessCost
!8L45 torque converter shudder

The 8L45 8-speed automatic (V6 models) exhibits a noticeable shudder/vibration from the torque converter under light to moderate load between 25 and 80 mph. The cause is ATF absorbing moisture and disturbing the torque converter clutch. GM addressed it via TSB (flush with new Mobil 1 LV ATF HP); it sometimes returns, requiring a torque converter replacement.

Symptoms: Shaking/vibration felt in seat and steering wheel at steady cruise under light throttle, feels like driving over rumble strips, typically 25 to 80 mph
from 65,000 km
High

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Known Problems and Issues +

A total of 4 weaknesses have been documented for the GMC Canyon GMT31XX (2015–2022). Typical issues affect Gearbox, Steering, Suspension, Electronics.

What to watch out for with the GMC Canyon? See the detailed listing of all engine and vehicle weaknesses in the sections above.

Frequently Asked Questions

What problems and weaknesses does the GMC Canyon GMT31XX have? +
No known weaknesses have been documented for the GMC Canyon GMT31XX.
What should I look for when buying a used GMC Canyon GMT31XX? +
faq.watch_a_none
Which engine is recommended? +
None of the available engines are rated 'Good Choice'. Stay away!
Is the GMC Canyon GMT31XX worth buying used? +
The GMC Canyon GMT31XX requires careful consideration — choosing the right engine variant is crucial.

Last updated: February 2026 · All information without guarantee