I would have prefered a straight 6 also but I needed a SUV. I am really happy with the milage. on long comutes through back roads i average 50 MPH and 28.3 MPG. On the highway at 70 MPH I can get 26.3. Its only supose to get 25 MPG. my overall average is 25.7. I still have a year of warrenty so I will leave things be but I hope a DPF delete kit will be available by then. its the same engine as the sprinter and the Jeep Cherokee. I really miss the black smoke when I step on the go pedal.

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2007 ML320CDI
1986 Jeep CJ10a 6.2 diesel