With a significant increase in both HP and torque. Compare the I6 numbers to the 6.4 and it would be a closer comparison.Take your pick guys. Looks like the combined fuel economy for the straight six is only 1-2 mpg better than the Hemi.
![]()
Jeep Grand Wagoneer L’s 3.0L Hurricane I6 Is Barely More Efficient Than the V8
Stellantis' new engine packs a punch, but the fuel economy gains aren't exactly significant.www.thedrive.com