Differences between AWD, FWD, 4WD?
AWD power flows to all 4 wheels and is usually computer controlled to compensate for diverting power to the wheels that have traction in slick road conditions. FWD is a front wheel drive vehicle, standard differential setup, some did have a limited slip but was not the best setup. 4WD an honest to goodness 4WD is a rig that can be shifted from 2WD to 4WD HI to 4WD LO with either a lever or an electronic shift motor or actuator, some had hubs that you have to lock in manually, others had hubs the would lock in automatically and today's rigs have no hubs that you need to even mess with. HTH
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