The 2015 GMC Sierra C15 Cab Chassis 2WD is a special-purpose vehicle designed for utility and towing, powered by a 4.3L V6 engine running on regular gasoline. It features a 6-speed automatic transmission and rear-wheel drive, catering to those needing a durable work truck. While its rugged build prioritizes function over comfort, some features may appeal to drivers seeking a capable, no-frills vehicle.