Well, the E53 is still an awesome driving experience definitely.

But for the right price, I would definitely jump ship to an X5M!

Have spent some time recently in almost similarly performing cars (a CLS 55 and the latest Mustang GT), it drives home the fact that what was once the most powerful SUV in the world is now almost matched in performance by series production diesel SUV's like BMW's own X1 25D.

I havent driven the F X5M but just comparing it to the aforementioned cars that are actually slower, I wouldnt hesitate to upgrade given the opportunity. That much power is simply intoxicating!

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04 X5 3.0i auto
03 X5 4.6is