The Express comes in 1500, 2500, and 3500 trim levels. They have the body option of passenger van or cargo van and regular or extended. As a passenger van it can carry up to 15 passengers. It is available in rear- and all-wheel drive. In lower trims they come standard with the Vortec 4300 V-6 engine. Three Vortec V-8 options are also available: 195 hp 4.3-liter V-6; 285 hp 4.8-liter V-8; 295 hp 5.3-liter V-8; and 300 hp 6.0-liter Vortec 6000 V-8. Some of the trims can also be equipped with a diesel 250-hp 6.6-liter V-8 engine. All engine options are controlled by a four-speed automatic transmission.For 2006, the Chevrolet Express gets minimal changes.