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Is the 2018 Jeep Wrangler's Fuel Economy Improved?

                                                      Is the 2018 Jeep Wrangler's Fuel Economy Improved?
2018 Jeep Wrangler accessory fuel door

If you've been constantly refreshing the EPA's fuel economy website waiting for the 2018 Jeep Wrangler Unlimited's mileage numbers to be posted: A) Have you nothing better to do? and B) you already know these numbers. For those who care but don't have the time, the EPA has finally posted them.

Related: 2018 Jeep Wrangler: First Official Photos, Details

Get 2017 Jeep Wrangler Details Find a 2017 Jeep Wrangler Near You

A few caveats, first of all. These are not confirmed by Jeep parent Fiat Chrysler Automobiles, and the EPA has posted incorrect figures before: A recent example included listing the 2016 Toyota Yaris as having both a six-speed automatic and six-speed manual transmission available, which provided significant mpg gains over the existing four-speed automatic and five-speed manual. Toyota denied that those numbers or transmission options were accurate, and any reference to either six-speed has since been removed from the EPA's site. What we're saying is, take these figures with a large, soft-pretzel-appropriate grain of salt.

The newest (claimed) feature for the new Wrangler Unlimited is an eight-speed automatic transmission; that's three more gears than the outgoing model's five-speed. Does it improve fuel economy, according to the EPA?

... Yes? The eight-speed takes it from "abysmal" all the way up to "mediocre." The 2017 Wrangler Unlimited, with a five-speed automatic and the standard 3.6-liter V-6 Used Engine , is rated at 17/21/18 mpg city/highway/combined. The new eight-speed ups those numbers to (again, unconfirmed) 18/23/20 mpg.

Manual versions, both six-speeds, see an even smaller bump, up to 17/23/19 mpg from 16/21/18. The slight improvement seems likely due in part to improved aerodynamics; the old Wrangler Unlimited is a brick with wheels, while the new one looks like a slightly rounded brick with wheels.

Any version of the Wrangler likely wasn't under consideration by fuel-economy-conscious shoppers, but for such an iconic vehicle, any change is significant.

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