2015 Dodge Challenger SRT Hellcat Scores 22 MPG Highway

If you’re bruising around town in a 707-horsepower Hellcat, the only time gas mileage crosses your mind is when you wonder how many freeway runs you want to make tonight.

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That’s fortunate, as the Hellcat is no green machine: it gets 22 mpg on the highway—when fitted with the eight-speed automatic. With the six-speed manual, it rates just 21 mpg highway.

Around town, the figures—not yet officially disclosed—are certain to be a tick worse than the standard Challenger SRT’s 15 mpg (automatic) or 14 mpg (stick) ratings.

Chrysler is quick to point out the Hellcat’s strong combination of gas mileage and power, comparing the 707 hp / 22 mpg rating to the Lamborghini Aventador Roadster (700 hp / 18 mpg highway); the Aston Martin Vanquish (576 hp / 18 mpg highway); and Mercedes-Benz SLS AMG GT (583 horsepower / 19 mpg highway).