Totally have to drive this vehicle on a track to know the difference. Nürburgring Ring time of 8min 30 sec, common, thats 10 seconds slower than the e46 M3, and thats a M model. That right there shows you that this new breed is more sportscar like than anything else on the market. I wouldnt compare the X6 to the FX at all because its not in the same category. The v6 TT engine is the international engine of the year, no infinity comes close to recognition like that. I think Motortrend are bored out of their minds looking for a comparison to the X6.

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" Despite its supercar attributes, the M5 still doubles as a soberly practical, spacious saloon - only with the ability to scare four passengers in comfort all the way to the local coronary unit". Top Gear