
(Sunrader) 17 mpg and its was a lot larger Again it was slow on the hills pulling my Toyota pickup it got down to 55 mphĢ0ft with 454 would get between 9 - 10 mpg Older Mercedes in mid 80's 30' 4 cylinder diesel non turbo class A got 17 mpg no power going up hills 50-55 mphġ995 Navette with a 4 cylinder diesel 30' got 13 mpg. I have owned a lot of motorhomes and here is how they turned out. I put it on the scales and hjow I travel is 38,200ish. Fully loaded this unit tops out at 42500 lbs. They Are 195/75-22.5 on aluminum Alcoa wheels. Had us double checking our math !!! Each time it comes out the same. We have checked this on three diferent occasions as people don't believe it. With generator running both a/c units on and the wife cooking it looses about 1 mpg. In any event I drive around 67 - 68 mph in low side of power band and get 9.5 miles per gallon without the generator and all water/holding tanks empty. I just didn't feel it was worth the risk as the semi who decided not to let me pass was not up to the task. Talking 95+ and wasn't at max revs and showed no disposition to not get to full governed rpm. I'm not sure of the final gear but it will scare you on an open road. Has a six speed 4020 Allison heavy duty trans. There is no EGR and it does have a computer so it is a celect. It has a Cummins M11 red top rated at 450 HP. Hello, I have a 1997 40' Holiday Rambler Navigator with a single rear axle. MPG of RV 40wds2 Holiday Rambler 450hp 1997 Did You Know that you can build your own Web Page on Everything About RVing? Just Tell Us Why You Love RVing, Tell Us About Your Favorite Camping Or RVing Destination or Share a Funny RVing Story With Us.Ĭomments for How Many Miles Per Gallon Does Your Motorhome Get? Leave your RV repair bills to us-Good Sam Extended Service Plan Please feel free to also tell us any tips and tricks you use to increase your motorhomes fuel mileage.


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Now I am trying again to get more specific information.Ĭan people just please reply to this post with what kind of motorhome, length, motor, tranny & their mpg? As much detail as you want to give. I asked a while ago about what motorhomes get the best mpg. How Many Miles Per Gallon Does Your Motorhome Get?
