You Might Get Better Gas Mileage In The Jeep Wagoneer As The V8's Have Been Dropped For 2024

The Wagoneer gets an all six cylinder engine lineup for 2024 with only slight improvements in fuel economy.

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2024 Jeep Wagoneer
Image: Jeep

A few months back it was all a rumor. Now it’s confirmed: New Jeep Wagoneer buyers will be getting a break in their fuel costs if they purchase one of the behemoths, as Jeep has axed the V8 from the Wagoneer lineup for 2024.

Gone are both the 5.7-liter and 6.4-liter Hemi V8s, the latter of which was reserved for the Grand Wagoneer models. The 5.7-liter engine made 392 horsepower while the 6.4 made 485 HP. Big engines in big vehicles don’t equal good gas mileage, though. Buyers of the 5.7-equipped Wagoneers could expect to see 16 mpg city/22 mpg highway/18 combined. The 6.4-liter V8 was something else – it got the worst gas mileage I’ve ever encountered in a vehicle. While the EPA says you should expect to see 13 mpg city/18 mpg highway/15 mpg combined, you likely won’t see that in the real world. I averaged just 11.8 mpg in my testing of a Grand Wagoneer in 2022.

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2024 Jeep Wagoneer Hurricane I6 engine
Image: Jeep

For 2024 the new engines should remedy that horrible gas mileage, at least somewhat. The standard engine for the Wagoneer is now Stellantis’ new Hurricane twin-turbo inline-six, which has 420 HP and 468 lb-ft of torque. This engine first debuted on the long-wheelbase Wagoneer L, where it has been the only engine option. The Grand Wagoneer gets the high-output version of the same engine with 510 HP and 500 lb-ft of torque.

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Jeep says the new six-cylinder engines are up to 15 percent more efficient than the outgoing V8s. EPA ratings for the new engines show the most efficient Wagoneer will be two-wheel-drive models, with the standard Hurricane getting 17 city/24 highway/20 mpg combined; subtract one mpg from each for four-wheel-drive Wagoneers. The Grand Wagoneer with the high-output Hurricane gets identical mileage ratings for the rear-drive trucks. I’m still going to wait until I get some real-world driving in before I believe those figure.