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Jeep 4Speed concept drops weight with lots of carbon fiber and aluminum

Jeep's latest lightweight 4Speed concept goes on a high carbon fiber and aluminum diet to cut weight, while better aerodynamics come courtesy of a raked windshield and heavily raked rear cage.

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Jon Wong
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The Jeep 4Speed concept is a lightweight, Wrangler-based concept. 

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To shave weight, lots of carbon fiber and aluminum were used.

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Power comes from a 2.0-liter turbocharged four-cylinder engine for the 4Speed concept.

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Compared to a stock Wrangler, the 4Speed has been shortened by 22 inches, while retaining a stock wheelbase length.

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The shorter overhangs give the 4Speed better approach and departure angles.

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The turbocharged engine works with an 8-speed automatic transmission.

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The 4Speed's interior boasts a customized instrument panel and exclusive seat coverings. 

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Aluminum has been used for the foot wells to save weight. 

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For improved off-road capability, the 4Speed gets upgraded axles and 18-inch wheels wrapped with 35-inch BF Goodrich Mud Terrain tires.

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Compared to a stock Jeep Wrangler, the 4Speed boasts a 2-inch higher ride height.

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