The X5 has the following five trim levels of engines; xDrive 35i, xDrive35i Premium, xDrive35i Sport Activity, xDrive35d and xDrive50i- the xDrive indicating the engine version. All X5 models have the all wheel drive as a standard feature but with variations in the different engine versions. The xDrive 35i is powered by a 3.0 litre turbocharged inline-6 engine that produces 300 horsepower and a 300 pound-feet of torque. According to the Auto blog website the 35i can accelerate from zero to 60 mph in 6.4 seconds, not a bad performance for a midsize luxury SUV car.
For motorists who exude power in their car engines, the X5 xDrive50i engine version has a twin-turbo 4.4 litre V8 system that produces 400 horsepower and a robust 450 pound-feet of torque. It will do the zero to 60 mph run in 5.3 seconds -1.3 seconds faster than the baseline engine(X5 xDrive 35i). It is a better fuel consumer as well registering 14 mpg city/23 mpg highway and 19 mpg in combined driving compared to the xDrive's35i 16 mpg city/23 mpg highway and 19 mpg in combined driving.
The X5 xDrive50i features a 3.0 litre inline turbo diesel that registers 265 of horsepower capacity and 425 pound-feet of torque. According to Auto blog it registers a zero to 60 mph run in 7.2 seconds, a longer time threshold than other versions but with its clean diesel technology, it returns an estimated fuel economy of 19 mpg city/26 mpg highway/22 mpg in combined driving. It is no doubt the best in fuel ergonomics and a good choice with international fuel prices now escalating to all time highs.