Reliability AnalysisBased on known issue patterns, repair cost data, and ownership trends · How we score

2021 GMC Canyon Reliability ReportCommon Problems, Repair Costs & Expert Verdict

82/ 100
MODERATE RISK

Grade: B

A capable mid-size truck with known transmission and electrical vulnerabilities that warrant careful consideration.

Full system breakdown + what I would do

Should You Buy the 2021 GMC Canyon?

The 2021 GMC Canyon presents a compelling package for a mid-size truck, offering robust capability and modern features. While generally solid, prospective owners must be vigilant regarding its 8-speed automatic transmission and specific electrical quirks, which can detract from an otherwise dependable experience. With proactive maintenance and a thorough pre-purchase inspection, this truck can be a strong contender, but it's not without its specific vulnerabilities.

Biggest Strengths

  • Robust frame and suspension for truck duties
  • Capable engine options (V6 and Duramax diesel)
  • Strong towing and hauling capacities for its class

Top Risk Areas

The systems that break first on the 2021 GMC Canyon. Mileage windows, repair costs, and fix-before-you-buy notes are in the full report.

1
8-Speed Automatic Transmissionmajor
2
Infotainment & Electrical Systemsmoderate
3
HVAC System Componentsmoderate
Typical mileage, cost ranges, and the exact what-to-check list are in the full report.

NHTSA Recalls

2 recalls on record from NHTSA. Check your VIN atnhtsa.gov to see if the repair was performed.

SEAT BELTS

General Motors, LLC (GM) is recalling certain 2020 Chevrolet Bolt EV and 2021 GMC Canyon and Sierra 1500, 2500 and 3500, Yukon, Yukon XL, Cadillac Escalade and Escalade ESV and Chevrolet Blazer, Camaro, Colorado, Equinox, Silverado 1500, 2500 and 3500, Suburban and Tahoe vehicles. Incorrect bolts may have been used at one or more fastening locations to secure the seat belts to the vehicle. If an incorrect bolt was used, the seat belt may not be properly attached to the vehicle.

EQUIPMENT:OTHER:LABELS

General Motors, LLC (GM) is recalling certain 2021 GMC Canyon vehicles. The load carrying capacity printed on the Tire and Loading Information placard is 22.5 kg (51 lbs.) more than intended. As such, these vehicles fail to comply with the requirements of Federal Motor Vehicle Safety Standard number 110, "Tire Selection and Rims."

What breaks on the 2021 GMC Canyon?

Full reliability breakdown — engine, transmission, rust, electrical. With repair costs and mileage danger zones.

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GMC Canyon by Year

Compare reliability scores across nearby years of the GMC Canyon. Click any year for its full report.

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Relevant Products for Your 2021 GMC Canyon

Parts and accessories matched to your 2021 GMC Canyon

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Frequently Asked Questions

Full Report

2021 GMC Canyon

7-system breakdown, mileage danger zones, repair cost projections, buyer checklist, and expert verdict.

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Complete Owner's Guide

Already own one? Get the 13-chapter owner's guide with specs, service schedules, and fluid capacities.

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Final Step

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