The 2007 GMC Sierra 3500 CC Classic is part of the vehicle's third generation. As a robust full-size pickup truck, it has solid truck capabilities and can tow heavy loads. Under its hood, a standard 6.0-liter V8 engine delivers 300 horsepower and 360 lb-ft of torque. There’s also an optional 6.6-liter turbodiesel V8, producing 360 hp and an impressive 650 lb-ft of torque. Both powerplants pair with an automatic transmission. The Sierra 3500 is available with either rear-wheel or four-wheel drive, and it comes with a dual-rear-wheel (DRW) configuration for added stability during towing. On the inside, it offers a basic but functional cabin. On the safety front, it includes anti-lock brakes and an array of airbags. Unlike many modern trucks, advanced driver aids such as lane-keeping assist and automatic emergency braking were not available for this model year.