For 2021, the X5's xDrive50i model has been replaced by the plug-in hybrid xDrive45e.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 Stonking acceleration from the twin-turbo V-8, smoothest start-stop system around, impressive ride and handling balance.
CONS Lazy transmission tuning, properly expensive, heavier and less involving than a similarly capable sports sedan or wagon.
The 2021 Mercedes-Benz GLE-Class comes with a 4 yr./ 50000 mi. basic warranty, a 4 yr./ 50000 mi. roadside warranty, and a 4 yr./ 50000 mi. powertrain warranty. AMG GLE 53 makes 429 horsepower and 384 lb-ft.Standard 48-volt EQ Boost system adds 21 hp and 184 lb-ft.MBUX infotainment system.
PROS Modern, luxurious interior appointments Turbocharged inline-six engine is smooth and powerful MBUX infotainment is one of the best in the business
CONS Choppy ride on less than perfect surfaces Body style heavily restricts rear visibility
Pros Ear-shattering V8 engine EQ Boost system improves efficiency Muscular styling Luxurious, spacious cabin Much-improved infotainment system Race Mode delivers precise steering
Cons Can't fully mask its size It can't fully defy physics Ride will be too firm for some Requires expensive optional extras Infotainment system can be intimidating at first
