New or Significantly Altered Models
- 2004 GMC Canyon Crew Cab
- 2004 GMC Canyon Extended Cab
- 2004 GMC Canyon Regular Cab
- A new larger Canyon pickup will eventually replace the Sonoma. Engine choices include a 2.8L I-4 (175-bhp) and 3.5L I-5 (220-bhp). Canyon is available in 3 cab types, RWD and 4WD.
- 2004 GMC Envoy XUV
- GMC adds a creative variant of the Envoy XL to its lineup. XUV features a power-operated midgate and retractable roof that converts the cargo area of the SUV to an outside hauling area.
- 2004 GMC Sierra 1500 Crew Cab