EPA Releases Fuel Economy Ratings For Hurricane Twin-Turbo Grand Wagoneer!

More Power, Not So Much Better Fuel Economy...

The U.S. Environmental Protection Agency (EPA) has released its official fuel economy numbers for the 2022 Jeep® Grand Wagoneer (WS) equipped with the all-new 3.0-liter (Hurricane) Twin-Turbo 510 inline-six-engine. As the first Stellantis equipped with the all-new Hurricane engine lineup, we have been curious to see how the new Hurricane stacks up against the HEMI engine lineup (which it might eventually replace).

The all-new twin-turbocharged 3.0-liter GME-T6 H.O. (Hurricane) inline-six-cylinder engine. (Stellantis).

The foundation of the Hurricane twin-turbo is a deep-skirt cast-aluminum block with a structural aluminum alloy oil pan. Cross-bolted steel main bearing caps contain the strong rotating assembly of a forged steel crankshaft and forged steel connecting rods. During manufacturing the block is deck-plate honed to optimize the cylinder bore shape, which helps improve fuel efficiency.

2022 Jeep® Grand Wagoneer Series III. (MoparInsiders).

Now, the Grand Wagoneer is only available with four-wheel-drive (4×4) in both the United States and Canada, so we find it very interesting that the EPA publishes numbers for both a two-wheel-drive (4×2) as well as 4×4 variants. Remember, that the Hurricane Twin-Turbo 510 is the high-output (H.O.) version of the new Hurricane architecture. 

2022 Jeep® Grand Wagoneer Series III. (MoparInsiders).

The Hurricane Twin-Turbo 510 delivers 510 horsepower (thus explains the name) and 500 lb.-ft. of torque, a significant upgrade over the 471 horsepower and 455 lb.-ft. of torque rating of the standard 6.4-liter HEMI V8. Despite the added power, the Hurricane’s additional fuel economy won’t really impress the masses. 

2022 Jeep® Grand Wagoneer EPA MPG Numbers. (EPA).

The EPA says the added fuel economy will save the typical Hurricane Twin-Turbo 510 owner about $600 per year, over the HEMI, based on a 15,000-mile yearly average. Now, keep in mind, that checking the option box for the Hurricane Twin-Turbo 510 will set you back an additional $2,000. Both engines require Premium 91 octane fuel, so using today’s numbers the EPA says you will spend $4,350 annually on fuel for the Hurricane.

2022 Jeep® Grand Wagoneer Series III. (MoparInsiders).

For 2023, the longer wheelbase Grand Wagoneer L will feature the new Hurricane Twin-Turbo 510 as standard equipment. 

Production of the 2022 Jeep Grand Wagoneer with the Hurricane Twin-Turbo 510 is underway, we expect them to start arriving in dealership inventories by the end of the month.

Be sure to check out our MPG video (above), in which we put the Grand Wagoneer Series III on our test loop which resulted in better than listed fuel economy.

2022 Jeep Grand Wagoneer Series III (MoparInsiders)
2022 Jeep® Grand Wagoneer Series III (MoparInsiders)

If you are a Wagoneer/Grand Wagoneer (WS) owner or potential owner, be sure to check out our sister site WagoneerForums.org. There you can join over 1,200 owners of the new Wagoneer models, read the latest information, news, and rumors about the all-new Wagoneer, and even communicate with Wagoneer Client Services. 

Robert S. Miller

Robert S. Miller is a diehard Mopar enthusiast who lives and breathes all that is Mopar. The Michigander is not only the Editor for MoparInsiders.com, 5thGenRams.com, and HDRams.com but an automotive photographer. He is an avid fan of offshore powerboat racing, which he travels the country to take part in.

Related Articles

Back to top button