For 2021, the X5's xDrive50i model has been replaced by the plug-in hybrid xDrive45e.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
Pros Smooth-running powertrain, deluxe interior, expensive looks match its starting price.
Cons Not as athletic as its rivals, steering could be more tactile, infotainment interface isn't as intuitive as we'd like.
Pros Connected steering with just the right amount of weight Quiet and comfortable with excellent ride quality Mild hybrid system improves responsiveness and efficiency Interior build quality and materials are exceptional
Cons Wireless charging pad is hard to reach Where are the ventilated seats? Plug-in model not available yet Multimedia system can be complicated to use
