All-wheel drive

All-wheel drive (AWD), although similar to four-wheel drive, is not the same.  It is often used to describe a "full time" 4WD. AWD can be used on dry pavement because it employs a center differential, which allows each tire to rotate at a different speed.  AWD cannot be disengaged and the center differential cannot be locked. More

Similar topics in Freebase

  • Four-wheel drive

    Four-wheel drive

    Four-wheel drive, 4WD, or 4×4 ("four by four") is a four-wheeled vehicle with a drivetrain that allows all four wheels to receive torque from the engine simultaneously. While many people associate the term with off-road vehicles and Sport utility vehicles, powering all four wheels provides better...
  • Front-wheel drive

    Front-wheel drive

    Front-wheel drive (FWD) is a form of engine/transmission layout used in motor vehicles, where the engine drives the front wheels only. Most modern front-wheel-drive vehicles feature a transverse engine, rather than the conventional longitudinal engine arrangement generally found in rear-wheel-drive...

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