Engineering Explained on MSN
How 4WD works - four wheel drive
How does four wheel drive work? This video explains the workings of four wheel drive (4WD), and gives a definition in order to differentiate different types of four wheel drive and all wheel drive.
Our long-term 2025 Toyota 4Runner TRD Off-Road Premium features part-time four-wheel drive and all-terrain tires — neither of which are best for truly snowy, icy on-road conditions.
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