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AWD vs 4WD - What's the difference?

What Are The Differences Between AWD & 4WD? Which Is Better? What's the difference between AWD and 4WD? I was handed the keys ...
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AWD vs. 4WD: The Differences Between Them and Which One Is Better for You

There are a lot of misconceptions regarding all-wheel drive (AWD) and four-wheel drive (4WD). Some say they are the exact same thing; others argue that they are completely different, and one is a much ...