- 5,328 cc 5.3 liters V 8 front engine with 96 mm bore, 92 mm stroke, 9.5 compression ratio, overhead valve and two valves per cylinder LM7
- Unleaded fuel 87
- Fuel economy EPA highway (mpg): 18 and EPA city (mpg): 14
- Multi-point injection fuel system
- 31 gallon main unleaded fuel tank
- Power: 213 kW , 285 HP SAE @ 5,200 rpm; 325 ft lb , 441 Nm @ 4,000 rpm
  2004 Chevrolet Express Handling  
- Four-wheel ABS
- 3.42:1 axle ratio
- Four disc brakes including four ventilated discs
- Immobilizer
- Fullsize steel rim under body spare wheel
- Wishbone front suspension independent with stabilizer bar and torsion springs , beam rear suspension rigid with leaf springs
  2004 Chevrolet Express Exterior  
- Black front and rear bumpers
- Day time running lights
- Driver and passenger externally adjustable black door mirrors
- External dimensions: overall length (inches): 224.1, overall width (inches): 79.4, overall height (inches): 81.6, ground clearance (inches): 7.6, wheelbase (inches): 135, front track (inches): 67.8, rear track (inches): 67.8 and curb to curb turning circle (feet): 48.6
- Complex surface lens halogen bulb headlights
- Heat reflective glass
- Metallic paint
- Rear platform step
- Tinted glass on cabin
- Weights: gross vehicle weight rating (lbs) 7,200, curb weight (lbs) 5,110, gross trailer weight braked (lbs) 6,600 and max payload (lbs) 2,090
- Windshield wipers with variable intermittent wipe
  2004 Chevrolet Express Interior  
- 12v power outlet: front and 2
- Air conditioning
- Fixed mast antenna
- Delco audio system with AM/FM
- Automatic drive indicator on dashboard
- Cargo area dimensions: length (inches): 127.8, front width (inches): 57, width between arches (inches): 52.7, height (inches): 51.9 and loading floor height (inches): 27.7
- Cargo area light
- Cargo capacity: all seats removed (cu ft): 267.3
- Second passenger side and rear double-hinged cargo doors
- Clock
- Full dashboard console with open storage box
- Courtesy lights
- Front seats cup holders fixed
- Door pockets/bins for driver seat and passenger seat
- Floor covering: plastic/rubber in load area
- Driver and passenger front airbag intelligent
- Bucket driver and passenger seat
- Height adjustable 3-point reel front seat belts on driver seat and passenger seat
- Two head restraints on front seats
- Internal dimensions: front headroom (inches): 40.2, front hip room (inches): 65.5, front leg room (inches): 41.3 and front shoulder room (inches): 68.8
- Power steering
- Rear view mirror
- Front seat back storage
- Vinyl seat upholstery with additional vinyl
- Seating: two seats
- Two speaker(s)
- Plastic steering wheel
- Ventilation system