The engine is a super smooth and responsive†500 Hp @ 7750 rpm,†383 ft-lbs. @ 6100 rpm,†5.0 Liter Fuel Injected Dual Overhead Cam (DOHC) 40-Valve†V-10 engine that is mated to a†Seven Speed†SMG Transmission with Manual Shift and "Power" or "M" modes. The M5 combines performance and†luxury all in one very sofisticated package. This†M5 is in excellent mechanical condition all around; you are more than welcome to have a certified mechanic check it out. We cannot stress how beautiful this vehicle really is; all signs of a loving owner. This†beautiful M5†looks, runs and drives absolutely great!