I have an 08 limited 5.7L. I would say i get between 500-600km per tank, on average between city and highway. I was curious to what my consumption would be if i were to put a 6' suspension lift kit, and 35' tires (probably duratec's)
Anyway, I don't know much about km per tank or even how many miles I get in a tank but I have a 6" lift and about 34" tires. I drive all city miles and get between 11-14 MPG depending on driving style. When I drive on the interstate I get about 17-18 as long as I keep the speed around 70 MPH. When I swap to 35" tires I expect to lose a bit more. If you put a lift and heavy tires on your truck you have to learn to not obsess over fuel mileage. I only drive about 8k miles max per year so no worries for me. If I had to drive 10k or more I wouldn't have the lift.
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