The 2001 GMC Sierra 3500 is part of the pickup truck's first generation. A robust and rugged one-ton workhorse, it is equipped with either a 6.0-liter V8 engine that delivers 300 horsepower or a 6.6-liter V8 turbo diesel that generates 300 horsepower. Both engines are mated to a four-speed automatic transmission. The vehicle is available in two-wheel and four-wheel-drivetrain configurations. In terms of trims, it is offered in regular, extended, and crew cab versions. The Sierra 3500 boasts a high towing capacity and suspension engineered for heavy duty workloads. For technology features, it comes with a standard AM/FM radio. Standard safety features for the Sierra 3500 include anti-lock brakes.