The days of Cadillac’s three-row luxury SUV are numbered as a fully electric replacement is in the works. The XT6 is currently available with a velvety 3.6-litre V6 producing 310 horsepower and towing up to 4,000 lbs. A turbocharged 2.0-litre four-cylinder engine (237 horsepower) drives the base model, however. All XT6s offer a comfortable and quiet interior, although space is fairly tight in the third row. Don’t miss Super Cruise semi-autonomous driving technology.