1. Chevrolet Colorado ZR2

If Ford has cornered the market in full-size trucks with the amazing new F-150, Chevrolet is leading the pack in mid-size trucks with its new Colorado model. But its ZR2 version is the most influential because it’s a perfectly designed off-road vehicle.

And better yet, it has the economy of a diesel engine and the usability of a regular truck. Its diesel engine delivers just 181 HP, but 365 lb-ft of torque. And that makes the Colorado ZR2 an astonishingly capable off-road machine with great fuel economy and tow capacity.

These are 20 of the most revolutionary pickup trucks they ever made. Some are long gone, while others are available everywhere, but they all share the same thing. All these trucks had a big effect on the global automotive industry.

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