What is the difference between All-Wheel Drive and 4-Wheel Drive?

What is the difference between 4wd and awd? The Subaru All-Wheel Drive is available in both automatic and standard transmission versions. The Subaru automatic transmission with All-Wheel Drive uses a set of transfer clutches and a solenoid controlled by the transmission control module (TCM) to engage the All-Wheel Drive system. In a Subaru manual transmission […]