The 1999 Chevrolet Express Cargo Van is a full-size work van that seats two passengers and is available in three versions; the 1500, 2500, or 3500. The 1500 is only available in the 135" wheelbase. The 2500 and 3500 are offered as a 135" or 155" version. The base engine is a 4.3L V6 engine which produces 200 hp and 250 lb-ft of torque. A larger 5.7L V8 is available and produces 255 hp and 330 lb-ft of torque.