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Open Roads Forum  >  Class A Motorhomes  >  General Topics  > Fuel Mileage on 8.1 Workhorse Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 3   Next burgess001 • View posts Springfield, MO USA Senior Member Joined: 04/08/2002 View Profile Offline Posted: 07/21/21 09:54pm Link  |  Quote  |  Print  |  Notify Moderator I drove DP's for years. Thinking about a 30 ft Workhorse. What kind of gas mileage can I expect Jerry and Katie More than 20 great years motorhoming and still loving it... 2004 DSDP 3810 (more than I needed...less than I wanted) 2004 Trailblazer (too heavy but well worth dragging) MitchF150 • View posts Puyallup, WA Senior Member Joined: 07/13/2002 View Profile Offline Posted: 07/21/21 10:41pm Link  |  Quote  |  Print  |  Notify Moderator Single digits.. Janss • View posts Sedona, AZ Senior Member Joined: 04/29/2010 View Profile Good Sam RV Club Member Offline Posted: 07/22/21 12:02am Link  |  Quote  |  Print  |  Notify Moderator We usually get 7.x mpg with our 8.1 Workhorse. Don't know if a newer motorhome than ours would be any better. 2002 Itasca Suncruiser 32V 2012 Suzuki Grand Vitara wildtoad • View posts Blythewood, SC Senior Member Joined: 06/05/2011 View Profile Good Sam RV Club Member Posted: 07/22/21 04:48am Link  |  Quote  |  Print  |  Notify Moderator It will get better mileage than a Ford V10. But MitchF150 has an accurate and concise answer. When I had a Workhorse on a 30ft depending on conditions got low 8’s to mid 9’s. Tom Wilds Blythewood, SC 2016 Newmar Baystar Sport 3004 2015 Jeep Wrangler 2dr HT wa8yxm • View posts Davison Michigan (East of Flint) Senior Member Joined: 07/04/2006 View Profile Offline Posted: 07/22/21 04:50am Link  |  Quote  |  Print  |  Notify Moderator MPG varies depending on several factors. The RIG below is a Damon Intruder 377W they call it 37' I call it 38, 8.1L workhorse I"ve seen 6 or less (headwind) and I've seen 13.8 (Ok so the tumble weeds were passing me doing about 100 MPH, I'm not kidding that was one 7734 of tail wind) Normally about 8 Fresh wax job and no towed I hit 11 The freshness of the wax job seems to make a big difference. 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 rgatijnet1 • View posts Florida Senior Member Joined: 06/22/2009 View Profile Good Sam RV Club Member Posted: 07/22/21 05:01am Link  |  Quote  |  Print  |  Notify Moderator 8MPG is a good average to use. In the Western mountains, and with a toad, I sometimes got as low as 5. To tell the truth, I never really worried about fuel mileage. The 8.1L and Allison transmission got me through every mountain pass and never missed a beat. Plenty of power to climb and keep up with traffic. fyrflie • View posts Martinez, CA. USA Senior Member Joined: 07/31/2003 View Profile Good Sam RV Club Member Offline Posted: 07/22/21 08:55am Link  |  Quote  |  Print  |  Notify Moderator 2001 Fleetwood Flair 32 foot with 2000 Jeep Wrangler tow vehicle. June 2021 trip from California to Tennessee and back. 5700 miles. 6.8 - 8.5 mpg @ 70 mph most of the time Rick Jay • View posts Greater Springfield area, MA Senior Member Joined: 02/02/2003 View Profile Offline Posted: 07/22/21 09:07am Link  |  Quote  |  Print  |  Notify Moderator Hi, As others have said, I'd expect anywhere between high 6's to low 9's, depending upon terrain, wind, speed, towing/not towing, running the generator and whether or not you put "real gas" into it or the 10% ethanol junk many of us are forced to use. While it probably doesn't matter too much to the answer of your question, out of curiosity, are you looking at a W-series Workhorse or a P-series Workhorse? ~Rick 2005 Georgie Boy Cruise Master 3625 DS on a Workhorse W-22 Rick, Gail, 1 girl (25-Angel since 2008), 1 girl (20), 2 boys (21 & 18). 2001 Honda Odyssey, Demco Aluminator tow bar & tow plate, SMI Silent Partner brake controller. Sandia Man • View posts Rio Rancho, NM Senior Member Joined: 08/09/2008 View Profile Posted: 07/22/21 09:09am Link  |  Quote  |  Print  |  Notify Moderator It depends, 7-8 mpg is the average, 5-6mpg in the mountains at elevation, 9-11mpg on the flatlands near sea level. Been using gassers for 3 decades of RVing and have never cared to actually calculate mpg, our current Class A has the 8.1L with Allison 2100 on W24 chassis, it has no problem traversing the many inclines we have here in the mountain west region. Both DIC on our Monaco and our Scangauge2 report MPG tallies which I have very little interest in, we love RVing and don't fret the costs to partake in this beloved endeavor. ReneeG • View posts Meridian, Idaho Senior Member Joined: 07/13/2005 View Profile Good Sam RV Club Member Offline Posted: 07/22/21 09:52am Link  |  Quote  |  Print  |  Notify Moderator MitchF150 wrote: Single digits.. I had to chuckle at this answer due to our past situation. We HAD a gas truck to tow our 35' FW, got 7mpg!! 7 . . . switched to diesel and in the double digits now. 2011 Bighorn 3055RL 2011 F350 DRW 6.7L 4x4 Diesel Lariat and Hensley BD3 1992 Jeep ZJ and 1978 Coleman Concord Pop-Up for remote camping Dave & Renee plus (Champ, Molly, Paris, Missy, and Maggie in spirit), Mica and Mabel, both Rat Terriers! Reply to Topic  |  Subscribe  |  Print Topic  |  Post New Topic  |  Oldest first Newest first  Page of 3   Next Open Roads Forum  >  Class A Motorhomes  >  General Topics  > Fuel Mileage on 8.1 Workhorse

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