With the introduction of a new GMT900 platform version of the Silverado full-sized pickup truck for the 2007 model year, Chevrolet continued offering the previous GMT800 based truck as the 1500 Classic. For what was the final year of production for the GMT800 variant of the Chevrolet pickup truck, the 2007 Silverado 1500 Classic was available as a regular cab, extended cab or crew cab body style. Each body style also allowed the choice of a small or longer length bed.
A 195-horsepower, 4.3-liter V-6 engine was equipped on standard box regular and extended cab versions of the Silverado 1500 Classic. On the long-box model of the extended cab model and the short box crew cab, an eight-cylinder Vortec 4.8-liter generating 285 horsepower and 295 pound-foot of torque propelled the truck. A flex-fuel capable 5.3-liter as well as 6.0-liter version Vortec V-8 engine was also offered on the 2007 Chevrolet Silverado 1500 Classic.
Offered in LS or LT trim level, 2007 Silverado 1500 Classic line-up provided the choice of rear-wheel drive or four-wheel drive. Available with the 6.0-liter V-8 engine, a VortecMAX Performance Package presented maximized towing power. Boosting engine power by 35 horsepower (from 310 to 345 horsepower), the VortecMAX Performance Package included a 9.5-inch rear axle, an automatic locking differential and 17-inch wheels. With 380 pound-foot of torque, the 2007 Chevrolet Silverado 1500 Classic two-wheel drive extended cab model equipped with the VortecMAX Performance Package could tow up to 10,400 pounds. Four-wheel drive models of the Silverado 1500 Classic was offered with an optional Z71 Off-Road Package. Front airbags, OnStar and anti-lock braking system were standard on all 2007 Chevrolet Silverado 1500 Classic pickup trucks.