The MINI Hardtop 4 door has a wheelbase that's 2.9 inches longer and a body lengthened by 6.3 inches as compared to the new MINI Hardtop 2 door with a choice of a 1.5-liter 134 horsepower 3-cylinder engine to power the MINI Cooper Hardtop 4 door and a 2.0-liter 189 horsepower 4-cylinder engine in the MINI Cooper S Hardtop 4 door. With MINI TwinPower Turbo Technology both engines are mated to newly developed 6-speed manual and 6-speed Steptronic transmissions. The MINI Hardtop 4 Door will cost $1,000 more than the MINI Hardtop 2 door.