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This week John Hennessey got behind the wheel of his tuned 2015 GMC Yukon Denali XL, an SUV behemoth, with the goal of proving the speed performance of his products. To do that, he participated in a quarter-mile launch drag race against the above-average sports car known as the Dodge Challenger Hellcat.

The Yukon sported a supercharged 6.2-liter V8 engine, which means a beefy 665 horsepower and 658 lb-ft of torque put to the crank. The Hellcat got off to a rough start, but the Yukon still did outstanding for a seven-seat SUV.