2022 Jeep Grand Wagoneer’s Inline-Six Gets Better MPG Than the V-8

The 2023 model year will see Stellantis’ new twin-turbocharged 3.0-liter inline-six, named Hurricane, introduced across the Wagoneer and Grand Wagoneer lineup. But before that happens, a limited run of 2022 Grand Wagoneers will be sold with the high-output version of the Hurricane, producing 510 horsepower and 500 pound-feet of torque. Now the EPA has released fuel-economy ratings for this new powertrain setup, and the high-output Hurricane beats the Grand Wagoneer’s 6.4-liter V-8 when it comes to efficiency.

The EPA rates the all-wheel-drive, six-cylinder 2022 Grand Wagoneer at 14 mpg city and 20 mpg highway, for 17 mpg combined. This is notably better than the 6.4-liter V-8, which returns 13 mpg city and 18 mpg highway for 15 mpg combined. Starting in 2023, the Hurricane will also be available in the Wagoneer, which is currently fitted with a 5.7-liter V-8. With all-wheel-drive, the 5.7-liter nearly matches the Grand Wagoneer six-pot’s fuel economy with 15 mpg city, 20 mpg highway, and 17 mpg combined. It’s worth noting, however, that this comparison is with the high-output Hurricane, and the 420-hp standard-output version that will also be available next year could return better figures. The Wagoneer is also offered with rear-wheel drive, and the six-cylinder will likely return even better fuel economy with that setup, regardless of power output.

The six-cylinder will be the only engine available in the new-for-2023 long-wheelbase Grand Wagoneer L and Wagoneer L. The extra length and weight will likely knock the fuel economy down a tad. For now, the new inline-six is only available on the 2022 Grand Wagoneer in the top specification, making it the more powerful engine in the lineup. It costs an additional $2000 over the 471-hp V-8, and dealerships are currently accepting orders.

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