For 2021, the X5's xDrive50i model has been replaced by the plug-in hybrid xDrive45e.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 2021 Cadillac XT6 is a sharp spin on three-row family crossovers, but misses on a few details.
Pros Comfortable interior Good V-6 power Sharp face Good active safety features Available all-wheel drive
Cons Rivals cost less... …and some have better interiors Rear is a dud No Super Cruise
The 2021 Cadillac XT6 comes with all wheel drive, and front wheel drive. Available transmissions include: 9-speed shiftable automatic.Luxury trim level debuts below Premium Luxury and Sport.New base 237-horsepower turbocharged four-cylinder engine.Wireless compatibility for Apple CarPlay and Android Auto.
Pros Quiet interior Third row is roomy enough for most adults Easy-to-use infotainment system
Cons Minimal cargo space behind third row Many advanced driver safety aids don't come standard Jumpy throttle makes it hard to accelerate smoothly Low towing limits
A turbocharged four-cylinder joins the XT6 lineup for 2021 as part of the new entry-level Luxury trim level. The turbo four is shared with the smaller XT5 SUV, makes 237 horsepower, and comes paired to a nine-speed automatic transmission and either front- or all-wheel drive. The 310-hp V-6 is still standard on the Premium Luxury and Sport models.
PROS Sharply styled façade, three roomy rows of seats, high-tech features list.
CONS Less-than-luxe cabin trimmings, lackluster V-6 fuel efficiency, borrows too much from other GM SUVs.