2012 Chevrolet Silverado 1500

The 2007-2013 Chevrolet Silverado 1500 is the GMT900 generation, a comprehensive update of the previous platform with a more aerodynamic body, a stiffer frame, and a significantly improved interior. Engines were the 4.3-liter V6 and the 4.8, 5.3, and 6.2-liter V8s, most fitted with Active Fuel Management cylinder deactivation, paired with four- and six-speed automatics. Rear-wheel drive was standard with four-wheel drive optional, across Regular, Extended, and Crew Cab bodies.

This generation improved refinement substantially over the GMT800 and introduced a hybrid variant using a two-mode system. Active Fuel Management, which shuts down four cylinders under light load, was added across most of the V8 range for fuel economy and became the defining ownership issue. The K2XX generation that followed in 2014 introduced the EcoTec3 engine family.

For used buyers, this generation drives noticeably better than its predecessor but carries a well-documented mechanical concern. Active Fuel Management is associated with collapsed lifters and elevated oil consumption, and the repair requires removing the cylinder heads, making it expensive on an older truck. Many owners disable the system preventatively. Cracked dashboards are near-universal on these trucks and are cosmetic rather than mechanical. Verifying oil consumption and listening for lifter noise on a cold start are the highest-value checks here.