GMC C4500 Problems by Model Year

NHTSA recorded 6 consumer complaints across the 1 model years of the GMC C4500 (2003–2003) that have at least 5 complaints. 2003 has the most, with 6. Across all years, the part named most often is transmission and drivetrain (2 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.

All C4500 model years

Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.

Parts named most often, all years

Counts add up complaint mentions across the listed years. A complaint can name several parts.

• Transmission and drivetrain2 29%
• Brakes2 29%
• Tires1 14%
• Exterior lighting1 14%
• Engine cooling1 14%

Example complaints

One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.

Other GMC models

All GMC models →