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Fuel Economy


Boss460

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I haven't towed yet so can't comment there. But my 450 with the 4.30 axle ratio gets around 10.8-11 mpg city and up to 15.6 mpg highway (60-65ish). Given my gears I suspect economy will go down again if I do any stretch of driving over 70 mph. I do have a pretty heavy foot around town which Ive been told also has a great effect. I did learn if you that if you do a lot of around town driving you need to reset your computer (at least one of the trip meters) to get an accurate update if you want to check your highway mpg.

Edited by Sportscraft
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Any 2011 current owners with real world fuel economy comments?

 

No load vs. pulling 10k lbs?

6.2L gas - empty, 12.6 - 13.1

Only towed 9,000lb trailer once, to Denver and back I think it averaged 9.5, may have been better if it hadn't damaged the cam with 3208 miles on the engine. May try towing again with it next month. Just don't want to getr too far from home.

Edited by rottekatz
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  • 2 weeks later...
  • 3 weeks later...

My truck is a F350 CC LWB SRW.

The trailers I pull are a 4h GN Logan horse trailer. Loaded around 13,000lbs

a 20 foot tilt bed bp for hauling equipment. With the Mini Excavator or skid steer loaded around 10,000lbs

a 14 foot bp dump trailer. With broken concrete or gravel usually around 12,000lbs

 

In city driving with these I'm getting 11.5 to 12.0 mpg

 

Longer Hiway trips with the horse trailer have yeilded around 15 mpg

 

Empty around town the truck gives 14.5 to 15 mpg.

Last summer using summer blend #2 fuel I got 23 mpg on a 300 mile trip between SLC and Jackson Hole crusing at 70 mph

 

 

Winter driving with winter blend diesel is slightly less than summer fuel

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