BMW E60 M5 vs Alpina B5

The E60 M5 was introduced in 2005, with a V10 engine and 7 speed sequential manual gear box linking the car with the BMW Sauber Formula One program. The E60 M5 was the world's first production sedan to feature a V10 petrol engine and 7 speed sequential manual gear box. As with some of its predecessors, the E60 variant of the M5 was both the quickest and fastest 4-door sedan in the world at the time of its release.