For 2021, the X5's xDrive50i model has been replaced by the plug-in hybrid xDrive45e. The new plug-in hybrid powertrain consists of a turbocharged 3.0-liter inline-six and an electric motor for a total output of 389 horsepower. A 24.0-kWh battery pack is said to provide up to 30 miles of electric-only driving range. The regular 40i models also receive some light electrification in the form of a 48-volt hybrid system.
Pros Wide range of available engines, high-quality cabin materials, intuitive infotainment interface.
Cons Somewhat vague steering feel, tight third-row passenger space, V-8 performance costs a lot extra.
The xDrive45e plug-in hybrid model debuts.Last year's xDrive50i is discontinued.Android Auto is now standard.Minor feature changes.
Pros Strong performance from available engines Luxurious, comfortable cabin lives up to its price tag Spacious cabin and cargo area
Cons Small mirrors and wide roof pillars create blind spots Limited interior storage Wide doorsills inhibit entry and exit
The two-door "90" body style sees increased availability for 2021 and now comes in base, S, X, First Edition, and new X-Dynamic trims. Speaking of X-Dynamic, this new trim level is also now available on the four-door "110" model and provides the appearance items from the top-spec X without the expensive off-road-tech features, such as the adjustable air suspension and active differential.
PROS Legendary off-road abilities, smooth on-road ride, nicely outfitted cabin.
CONS Six-cylinder engine isn't as perky as expected, best accessories and options add a lot to the bottom line, brakes are difficult to smoothly modulate.
