Subaru and all-wheel drive (AWD) are a staple pairing that has existed since 1972, when the Subaru Leone wagon first featured a part-time AWD setup as an optional extra. In 1986, Subaru began ...

A variety of factors mean that, in many settings, an AWD car can be less efficient than its two-wheel drive counterparts, but just how much excess fuel are you really burning with your AWD drivetrain?