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Powertrain & Efficiency

KBB Editors 01/26/2026 12:42pm

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AWD vs. 4WD: Which Is Better?

AWD vs. 4WD, learn the difference, which is best, the pros and cons, which to choose for snow, ice, and rain and more.

Horsepower vs. Torque: Which Is More Important?

Learn the differences between horsepower and torque and how it affects your driving. This guide digs down into speed.

Turbochargers Explained: How They Add Power and More

Learn how turbochargers increase fuel efficiency and power output. Turbo engines produce the horsepower and torque of larger naturally aspirated engines.

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KBB Editors

Our editors drive and evaluate hundreds of new cars every single year, turning thousands of miles and countless hours behind the wheel into helpful reviews, ratings, and comparisons. They also have lives outside of work, or so they think. You’d be surprised what you can learn by hauling a dirt bike, hunting for a wayward sippy cup, or just packing the trunk full of groceries.

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