The Golf is available in either two-door or four-door bodystyles, and the trim levels include a GL on the two-door and GL or GLS on the four-door. Two different engines can be had, a 115-hp 2.0-liter four-cylinder gas engine, or a 100-hp 1.9-liter four-cylinder TDI diesel engine (four-door only). A five-speed manual is standard, the gas engine offers an optional four-speed automatic, and the TDI can be optioned with a five-speed automatic with Tiptronic. All models include power windows, mirrors and locks, keyless entry, 15-inch wheels, air conditioning, cruise control and an eight speaker sound system with cassette and CD players. The GLS adds a standard power sunroof, Monsoon audio system and alloy wheels. Safety features include six airbags, anti-lock brakes, front safety belts with pre-tensioners and load limiters, anti-intrusion side door beams, and a steering wheel which is deformable/collapsible upon impact. Electronic Stabilization Program (ESP) with brake assist is optional on all models.For 2004, the Golf receives three new paint colors, aero windshield wipers, new engine cover designs, and the new TDI-PD engine with a 10-hp improvement over the previous TDI engine.