The Porsche Cayenne Diesel accelerates 0-60 miles per hour in 7.2 seconds which drops to 7.1 seconds with the optional Sport Chrono package. The Cayenne Diesel’s top speed is 135 miles per hourThe twin--turbo diesel X5 is the best yet, sealing its postion at the top of the class. BMW's facelifts are always a question of subtle nips and tucks rather than major operations. The cosmetic differences to the new BMW X5 are therefore quite limited with front and rear treatments that are neat evolutions of their predecessor's. The tail end I think both issues contribute to my belief that the E53 X5 has lower build quality, is less reliable and requires more proactive maintenance and repair than the European-made BMWS of a similar vintage (E39/E46 and even E83 (x3)) I own and drive an '05 X5 and recently sold an "06both with the durable M54 3.0 6 cyl engine.
Highway MPG: 18. highway. 6.7 gals/ 100 miles. 2021 BMW X5 M50i 8 cyl, 4.4 L, Automatic (S8) Premium Gasoline. Not Available.
Going from D to SD at city speeds (25-40 mph), I felt the very slightest of jump in RPM but was not watching the tachometer. At expressway speed (55-65mpg), I did not feel any lurch or higher rev - it was smooth switching from D to SD. BwqCPyb.