Especially when gas spikes up high, I just try to drive less, coast more and go easier on the gas pedal. At 13,000 miles I average about 14.2 mpg over the last 2,500 miles with combined city/highway driving. John. 2006 Jeep Grand Cherokee Limited with 5.7L Hemi in Bright Silver. Bloomington-Normal, IL.
The EPA has rated the 2022 Jeep Grand Wagoneer with the new 510-hp twin the 5.7-liter nearly matches the Grand Wagoneer six-pot’s fuel economy with 15 mpg city, 20 mpg highway, and 17 mpg
49D3R. 190 358 369 279 343 384 84 259 162