Aerospace startup Boom says they've proven quiet supersonic flight is possible with their passenger airplanes after a ...

General Motors converted the HUMMER into a brand and rebranded the original, military-designed model as the H1 in 2002. Offered as a four-door open top as well as an enclosed wagon body style, the ...

Showing the 2003 Hummer H1 4-Passenger Open Top Hard Doors Wondering which trim is right for you? Our 2003 Hummer H1 trim comparison will help you decide.

It’s important to carefully check the trims of the car you’re interested in to make sure that you’re getting the features you want, and aren’t overpaying for those you don’t want.