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Open Roads Forum  >  Class A Motorhomes  >  General Topics  > Let’s hear your best MPG and driving style ? Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 4   Prev  |  Next LandYacht35diesel • View posts Florida STAYcation Full Member Joined: 10/11/2021 View Profile Offline Posted: 10/15/21 01:26pm Link  |  Quote  |  Print  |  Notify Moderator Interesting observations by some ! ..... who simply seem to not care about fuel mileage. Did you care about the price of your motor home? In your travels ... you wouldn’t “shop” for fuel ? I could go on ...... but the bottom line is - it’s your money - do with it as you please ! hohenwald48 • View posts Nashville, TN Senior Member Joined: 07/27/2002 View Profile Good Sam RV Club Member Offline Posted: 10/15/21 01:48pm Link  |  Quote  |  Print  |  Notify Moderator Back in the old days, folks tracked fuel mileage as a method to monitor the health of their engines and as a means to detect problems early on. With the advent of computer monitoring systems in all engines these days that is no longer necessary. I know nobody who has a motorhome or large modern RV who would would ever make a trip go/no go decision based on fuel mileage. Since most of us have no intention of making our travel plans around fuel mileage and the fact that it is no longer necessary for maintenance purposes, most of us simply don't bother or care what our mileage is. Regarding shopping for price, I doubt very many folks do that to any great extent. I'm more likely to use the stations that appears the easiest to get in and out than I am to use the one with the cheapest price. The fact of the matter is that, other than for bragging purposes, fuel mileage just doesn't matter. By the way, I get half a tank between fill ups. That's about as accurate as I can get. When seconds count, the police are only minutes away. 2019 Newmar Canyon Star 3627 2017 Jeep Wrangler JKU ArchHoagland • View posts Clovis, CA, USA Senior Member Joined: 11/28/2004 View Profile Good Sam RV Club Member Offline Posted: 10/15/21 07:44pm Link  |  Quote  |  Print  |  Notify Moderator I was going across The Bonneville Salt Flats on I 80 one time. It is very flat and there was no wind that morning. About 50 miles of flat, straight road. I experimented with going 65 MPH for five miles and then 55 MPH for five miles. And then 65 MPH for five miles and then 55 MPH for five miles again. My instantaneous MPG readout stayed pretty much the same for both speeds so I'm in the camp that says it doesn't make that much difference. I've averaged 7.1 MPG over 95,000 miles. I recorded ever gallon of gas I put in the RV over the past 14 years. I don't care what it costs and will go to the gas station that is empty as opposed to going in the cheap places where I stand a chance of being hit by some nimrod. 2004 Monaco La Palma 36DBD Workhorse W22 8.1 Gas Allison 1000, 7.1 mpg 2000 LEXUS RX300 FWD 22MPG 4020 LBS US Gear Brakes Ro"n"Joe • View posts Full Timing Full Member Joined: 12/09/2010 View Profile Posted: 10/17/21 09:39am Link  |  Quote  |  Print  |  Notify Moderator 7.25mpg going 65-66 while using cruise control. Cruise control works quite well on our rig. I also keep the jake brake off. 2020 Dutch Star 4328 on FL Chassis 2018 Grand Cherokee Limited Ready Brute Elite Towbar & Road Master Wiring wa8yxm • View posts Davison Michigan (East of Flint) Senior Member Joined: 07/04/2006 View Profile Offline Posted: 10/17/21 09:56am Link  |  Quote  |  Print  |  Notify Moderator Damon Intruder (2005) 377W Workhorse. 8.1L vortec 100 MPH tail wind I mean dead astern tumbleweeds going straight down the freeway 13.8 MPG Home was where I park it. but alas the. 2005 Damon Intruder 377 Alas declared a total loss after a semi "nicked" it. Still have the radios Kenwood TS-2000, ICOM ID-5100, ID-51A+2, ID-880 REF030C most times wallynm • View posts Los Alamos NM Senior Member Joined: 09/27/2000 View Profile Offline Posted: 10/17/21 05:03pm Link  |  Quote  |  Print  |  Notify Moderator Cat said that the best MPG is achieved when you are running at the RPM WHERE THE HIGHEST TORQUE IS ACHIEVED. We ran a 100 PRM above that suggestion. For us that was ~60mpg! We found lower elevations resulted in higher MPG. When the sulfur content of the fuel was reducing we lost ~0.3 to 0.5 mpg. We log all fuel mileage. We also set Tire pressure per the tire manufacturers recommendation based on 4 corner weights. We ran a TPMS to monitor tire pressure. We rarely utilized full acceleration starts. Have a Diesel Engine Diesel RV Club Have a Freightliner FCOC Web Page Living on the memories now EX 02 DSDP 3567 EX 99 Coachmen EX 86 Georgie Boy EX 75 Winnie EX 72 Sightseer EX 68 Brave THOSE THAT DO NOT KNOW HISTORY ARE DOOMED TO REPEAT IT dodge guy • View posts Bartlett IL Senior Member Joined: 03/23/2004 View Profile Offline Posted: 10/17/21 05:55pm Link  |  Quote  |  Print  |  Notify Moderator I average 5.6 towing my 13 Explorer with 4 bikes with our 12 Georgetown with the V-10 and 5 speed auto at 70mph. slowing down to 65 doesn`t seem to change the mileage any. without the Explorer I`m around 6.5. GCW at 26,300lbs. Wife Kim Son Brandon 17yrs Daughter Marissa 16yrs Dog Bailey 12 Forest River Georgetown 350TS Hellwig sway bars, BlueOx TrueCenter stabilizer 13 Ford Explorer Roadmaster Stowmaster 5000, VIP Tow> A bad day camping is better than a good day at work! hotjag1 • View posts Lake Chelan, Wa/Lake Havasu, Az. Senior Member Joined: 07/14/2002 View Profile Good Sam RV Club Member Posted: 10/18/21 12:06am Link  |  Quote  |  Print  |  Notify Moderator I used to check fuel mileage several years ago and was getting about 9mpg. Haven't checked it in many years because it wouldn't make any difference if we got 5mpg. Either way, we will be hitting the highways and seeing the country. I set the cruise control at about 64 mph which seems to be the best mileage according to how fast the needle on the fuel gauge moves...lol hotjag1 2003 40' Allegro Bus, 3 slides, 400hp 8.9 liter ISL Cummins 2000 24' Dynamax Isata Groover • View posts Pulaski, TN Senior Member Joined: 10/17/2007 View Profile Offline Posted: 10/18/21 08:41am Link  |  Quote  |  Print  |  Notify Moderator Thor Palazzo 32' with 6.7 Cummins and no trailer returns about 11.5 at 65-70mph, 12mpg if I stay in the lower 60's. Pulling a Ford Taurus on a dolly round trip from TN to the Grand Canyon it showed 11.1mph for the 4500 mile trip. I let the kids drive some as I got very sick and they drove about 75mph. Pulling a three horse trailer with tack room I seemed to consistently get about 9.9mpg. Wind speed and direction can alter the numbers 10-15% so I don't generally worry too much about "best ever" mpg, I just want to know how to plan a road trip. Also, if you run the roof air, the household fridge and the microwave oven while traveling do you count the generator fuel which comes out of the same tank? All in all, the 32ft diesel returns much better fuel economy than the 1991 F250 gas with slide in camper so I am very pleased with it. dad4papa2 • View posts Missouri Senior Member Joined: 10/29/2007 View Profile Offline Posted: 10/18/21 04:53pm Link  |  Quote  |  Print  |  Notify Moderator 1996 Damon Intruder with the almighty 460 Engine in it I get 6.1-to 6.5 mpg towing or not towing. this is at an average 65 MPH. Dad Living The Dream- Not full timing but wintering in Texas Lifes So Short--Let's go Rv'ing "> Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 4   Prev  |  Next Open Roads Forum  >  Class A Motorhomes  >  General Topics  > Let’s hear your best MPG and driving style ?

Search:   Advanced Search Search only in Class A Motorhomes

Jump to Forum Dear Marcus  - Good Sam Roadside Assistance  - Good Sam Club  - Good Sam Insurance  - Camping World Accessories  - Camping World RV Sales  - Good Sam Extended Service Plan  - Camping World Service and Inst...  - Coast to Coast Recreational Vehicles  - Class A Motorhomes  - Class B - Camping Van Conversi...  - Class C Motorhomes  - Fifth-Wheels  - Folding Trailers  - Hybrid Travel Trailers  - Travel Trailers  - Truck Campers  - Toy Haulers Camping  - Tent Camping  - Family Camping  - Workamping Forum General Forums  - Beginning RVing  - Rallies, Shows and Gatherings  - General RVing Issues  - RV Lifestyle  - Full-time RVing  - Camp Cooks and Connoisseurs  - RVing with Disabilities and Ge...  - RV Pet Stop Technical Resources  - Tech Issues  - Do It Yourself Modifications a...  - Towing  - Tow Vehicles  - Dinghy Towing  - Technology Corner  - Forum Posting Help and Support Locations  - RV Parks, Campgrounds and Attr...  - Roads and Routes  - Public Lands, Boondocking and ...  - RVing in Canada and Alaska  - RVing in Mexico and South Amer...  - Snowbirds Other Discussions  - Around the Campfire

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