A compact pickup truck, the 1998 GMC Sonoma is available with a regular or an extended cab, as well as a choice between RWD or 4WD. The Sonoma comes standard with a 2.2L four-cylinder engine producing 120 hp and 140 lb-ft of torque. A larger 4.3L V6 is available which produces 180 hp and 240 lb-ft of torque. The Sonoma is a more upscale version of the Chevrolet S-10.