Quote:
Originally Posted by wilburn
2001 Newmar Dutch Star 3858 CAT 3126B 300HP FL chassis. Around 8 mpg MAX w/Cruise set for 62. No tow. Mostly flat Interstate.
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We have similar coach. 2001 Newmar Dutch Star 3851, same engine and chassis as you, we tow a LOADED GMC Canyon, full water, stuff in bays, we've gotten as low as 6.2 mpg, as high as 8.4 mph measured by miles driven and fuel put in, NOT an electronic measure devise that may or may not be "weighted" to make people feel better about their rigs!
If running a generator, it adds .332 gallons/hour to fuel consumption (figured over a 98 hour continuous run, using AC etc) RV was filled w/ diesel, driven about 5 miles to location, ran 98 hours, drove back to same gas station, same pump (same slant to the pump parking area), filled up full, deducted 10.6 miles at 7.4mpg for drive. I figure 1/3 gallons/hr is pretty accurate, but I still use 1/2 gallon/hr for planning purposes.
We drive from 62 to 70 mph on the interstate.
I get a kick out of those people who are driving 40+ foot Class A's and are claiming to get over 10mpg!