Car and Driver test drives and compares the 2015 BMW X6 M and the 2016 Mercedes-AMG GLE63 S Coupe. The two super sporty SUV coupes are arguably the best in the segment and provide driving dynamics unseen in a Sports Activity Vehicle.
The BMW X6 M is a massive 567 horsepower monster, which makes its power from a 4.4 liter twin-turbocharged V8 engine. That engine, or Atom Bomb, is mated to an eight-speed ZF transmission and powers all four wheels, via BMW’s xDrive. This gives the X6 M a 0-60 mph time of 4.0 seconds, making it one of the fastest BMWs on the market and only about a tenth shy of the famous BMW M3.
The Mercedes-AMG GLE63 Coupe S, on the other hand, creates and even bigger horsepower number — 577. And it makes that by using a 5.5 liter twin-turbo V8, which is paired with a seven-speed automatic and also powers all four wheels through an equally silly named 4Matic all-wheel drive system. However, its small 10 hp difference is negated by its ear 200 lb weight gain over the X6 M. So the big Merc takes 4.2 seconds to get to 60 mph.
Numbers aside, these two vehicles are both very similar and very different.
But which one is the better car? Here is the full review from C&D.