Vehicle Overview, The Hummer H3 SUV and H3T pickup are available with a base 3.7-liter five-cylinder engine or a 300-horsepower, 5.3-liter V-8. Based on price alone, the H3 competes with the Land Rover LR2, Jeep Grand Cherokee and Lincoln MKX. In terms of off-road chops, it runs with the likes of the Jeep Wrangler, Toyota FJ Cruiser and Nissan Xterra. , New for 2010, The optional 5.3-liter V-8 gains flex-fuel capability, which means it's able to run on E85 ethanol, regular gasoline or any combination of the two. , , Exterior, The H3 is easily identifiable as a Hummer due in part to its short overhangs, upright windshield and windows, wide track and immense tires. Flat, chiseled surfaces also make the H3 noticeable. The seven-slot grille is flanked by round headlights in square openings., Two-foot water-fording depth , Standard front tow hooks , Rear swing gate incorporates fixed glass and a door-mounted full-size spare tire , Standard 16-inch wheels , Optional sunroof , Interior, The H3 has sporty bucket seats up front and a 60/40-split folding rear bench. It accommodates up to five people., Standard remote keyless entry and three 12-volt power outlets , Standard cloth upholstery , Optional heated leather seats , Optional DVD navigation system , Optional backup camera , Under the Hood, The H3 is powered by a 3.7-liter inline-five-cylinder engine with dual overhead cams and variable valve timing. It makes 239 hp and 241 pounds-feet of torque. There is also an optional 5.3-liter V-8 that makes 300 hp and 320 pounds-feet of torque., Five-speed manual or four-speed automatic transmission; V-8 is only automatic , 4,500-pound towing capacity with inline-five-cylinder; H3T has 4,400-pound max , 6,000-pound towing capacity with V-8; H3T's maximum is 5,900 pounds , Standard full-time four-wheel drive , Underbody skid plates , Off-Road Adventure Package includes front and rear locking differentials