The Express van gains numerous improvements for the '03 model year. Under the hood, the Express now features GM's lineup of powerful Vortec engines, from the base 200-horsepower V6 all the way up to the hard-charging 300-hp 6.0-liter V8. All-wheel-drive models are also available for the first time, and all Express vans get four-wheel disc brakes with ABS. New driver-side 60/40 access doors have been added as an option along with revised front-end styling, larger stabilizer bars and a stronger frame. Inside, the Express gets redesigned seats, improved lighting and ventilation systems, more storage and dual-stage airbags on all light-duty versions.