The original Hummer (now called H1) has an improved differential system, new 17-inch wheels, and new exterior colors. A 195-bhp/6.5L V-8 turbodiesel and 4-speed automatic are standard. Full-time 4WD, ABS, and CTIS tire inflation system are standard. A 12000 lbs. Warn winch is optional. The H1 has two body styles: 4-Door Open Top and 4-Door Wagon.