Many C7 owners, especially with wide-body Z06 and Grand Sport cars, report cracked or bent factory cast wheels, often after potholes. Cracks are usually on the inside barrel, out of sight. Low-profile tires and big wheels leave little cushion.

Some C7 Z06 owners, especially with early cars on hot days, report the car reducing power or showing high temperature warnings after a few hard laps. The supercharged LT4 creates a lot of heat. GM made changes to later cars, and the aftermarket offers cooling upgrades.