Nothing yet
The M5 has a reputation for being able to do it all, and I find this to be pretty much true.
In absolute terms, this depends upon just how hardcore you want a car to be, but for a mixture of dynamics, performance and practicality I am yet to experience anything better.
Straight line performance is usually the talking point with an M5, and it is stupendous - but only when you want it to be. In normal non sport mode the throttle response is quite easy going in its first quarter, not to intimidate - mind you, put your foot down further and by God it takes off. There's plenty else to enjoy when you're not pressing on - the ride is taut but not harsh, the exhaust still makes a nice growly sound but cruising refinement is almost on a par with my old Lexus.
Start to use the car a little more demandingly, however, and you begin to understand that it is an extremely serious machine - particularly in Sport mode, when the steering weights up and throttle response is noticeably sharper. Personally I'd prefer it like that all the time. The most remarkable aspect for me is how agile the car feels and how stable it is through corners - but not at the expense of comfort.
Fuel consumption is what you'd expect of a big V8 - use the performance and it's going to cost you but motorway cruising returns 28-30 mpg.
Servicing costs seem pretty reasonable, especially considering the performance on offer. Unexpected failures can be another matter, and I looked for one with a BMW warranty, which I consider essential.
Is the new M5 not a V10?
Yeah the new E60 M5 is a V10, however this review is for the older e39 M5 with the 4.9 V8.
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