2003 Chevrolet Astro Performance  
- 4,300 cc 4.3 liters 6 V front engine with 101.6 mm bore, 88.4 mm stroke, 9.2 compression ratio, overhead valve and two valves per cylinder LU3
- Unleaded fuel
- Fuel economy EPA highway (l/100km): 13.8
- Multi-point injection fuel system
- Main 102 liter unleaded fuel tank
- Power: SAE and 142 kW , 190 HP @ 4,400 rpm; 250 ft lb , 339 Nm @ 2,800 rpm
  2003 Chevrolet Astro Handling  
- ABS
- 3.42:1 axle ratio
- Four disc brakes including four ventilated discs
- Electronic brake distribution
- Immobilizer
- Spacesaver steel rim under body spare wheel
- Wishbone front suspension with stabilizer bar independent with torsion springs , beam rear suspension rigid with leaf springs
  2003 Chevrolet Astro Exterior  
- Front and rear body color bumpers
- Day time running lights
- Driver and passenger power black door mirrors
- External dimensions: overall length (mm): 4,821, overall width (mm): 1,969, overall height (mm): 1,905, ground clearance (mm): 173, wheelbase (mm): 2,824, front track (mm): 1,654, rear track (mm): 1,654 and curb to curb turning circle (mm): 13,350
- Conventional lens halogen bulb headlights
- Heat reflective glass
- Single sliding minivan side door
- Gloss paint , metallic paint
- Fixed rear window
- Tinted glass on cabin , privacy tinted glass on rear , privacy tinted glass on side
- Trailer towing preparation
- Weights: gross vehicle weight rating (kg) 2,767, curb weight (kg) 2,083, gross trailer weight braked (kg) 2,087 and max legal load (kg) 756
- Windshield wipers with variable intermittent wipe
  2003 Chevrolet Astro Interior  
- 12v power outlet: front & cargo
- Air conditioning
- Fixed mast antenna
- Front and rear ashtray
- Delco audio system with AM/FM
- Automatic drive indicator on dashboard
- Cargo area dimensions: length (mm): 2,504, front width (mm): 1,453 and width between arches (mm): 1,311
- Cargo area light
- Cargo capacity: all seats in place (liters): 1,169, all seats removed (liters): 4,825 and third row seats removed (liters): 2,956
- Front seats cigar lighter
- Clock
- Dashboard full console with covered storage box
- Delayed/fade courtesy lights
- Cruise control
- Front seats, rear seats and 3rd row seats cup holders
- Door pockets/bins for driver seat and passenger seat
- Floor covering: carpet in load area
- Floor mats
- Driver and passenger front airbag
- Bucket seat , bucket seat
- 3-point reel height adjustable front seat belts on driver seat and passenger seat
- Front seat center armrest
- Glove compartment
- Two head restraints on front seats , height adjustable two head restraints on rear seats , height adjustable two head restraints on 3rd row seats
- Headlight control with dusk sensor
- Internal dimensions: front headroom (mm): 996, rear headroom (mm): 963, front hip room (mm): 1,651, rear hip room (mm): 1,293, front leg room (mm): 1,057, rear leg room (mm): 927, front shoulder room (mm): 1,626 and rear shoulder room (mm): 1,704
- Low fuel level warning
- Internal button power locks includes trunk/hatch
- Power steering
- Front power windows with one one-touch
- 3-point reel rear seat belts on driver side , 3-point reel rear seat belts on passenger side , lap static rear seat belts on center side
- Bench one-piece three rear seats
- Rear view mirror
- Front seat back storage
- Cloth seat upholstery with additional vinyl
- Seating: eight seats
- Eight speakers
- Plastic steering wheel
- 3-point reel third row seat belts on driver side , 3-point reel third row seat belts on passenger side , lap static third row seat belts on center side
- Front facing bench removable one-piece third row seats with capacity three
- Driver and passenger vanity mirror
- Ventilation system