Realistic mileage for Sprinter based diesels?
We are edging towards retirement and are just starting to research our first RV. When the time comes, we expect to get a 4-5 year old sprinter based class B. I know there are dozens of variations on...
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Last fall we took a 3400+ mile trip from Oregon thru Idaho, Utah, Colorado, New Mexico and Arizona before returning home in our 2014 Ascent with the V6 turbo-diesel. Very little of the route was anywhere near flat. We were over 11,000 ft on a few occasions. With all the mountainous driving we averaged 20 mpg with the best tank being 24.5 mpg. The Ascent is no longer being offered with the V6 but with a 4 cylinder turbo-diesel and 7-speed transmission. Our friends have one and get even better mileage. I got the last V6 in our area and considered myself lucky because on occasion I tow a boat/trailer combination that weighs 4000lb+. The fuel mileage drops but it is still very capable towing.
