The BMW 528i is an all-wheel-drive sedan equipped with a turbocharged four-cylinder engine. This car gets a combined miles per gallon rating of 26 miles and 32 miles per gallon in highway driving, even with all-wheel drive activated.
A related car, the Audi TT, also has a turbocharged four-cylinder engine, giving it 31 miles per gallon during highway driving and 26 miles per gallon during city driving. This car is outfitted with Audi's quattro all-wheel-drive system. The Subaru Outback has a 2.5-liter four-cylinder boxer engine and gets 30 miles per gallon during highway driving. The Outback uses a Continuously Variable Transmission to obtain this fuel efficiency. The Subaru Legacy uses the same drivetrain and platform as the Outback, but it is lighter and has a streamlined profile. Thus, the Legacy has an improved 32 miles per gallon during highway driving.
The Nissan Juke is equipped with a small turbocharged four-cylinder engine, and it uses a torque-vectoring all-wheel-drive system. The Juke gets 30 miles per gallon during highway driving and 25 miles per gallon in the city. The Mazda CX-5 is a low-weight crossover featuring an engine with the highest compression ratio of all mass-produced cars, as of April 2015. This gives the Mazda CX-5 a highway rating of 31 miles per gallon and a city rating of 25 miles per gallon.