Fuel Mileage
Lead Driver
Joined: Dec 2013
Posts: 9,762
Likes: 115
2012 F350 SRW 4X4 w/3.31 rear axle:
Overall lifetime average MPG - 15.7 MPG (hand calculated total miles/total gallons)
Towing heavy (14K lbs) - 9-11 MPG
Highway empty - 17-18 MPG
One thing I've noticed is that this engine seems to be a pig during warm up cycles. If you do a lot of short trips, your mileage will suffer. You'll also go through more regens, which also affects mileage.
Overall lifetime average MPG - 15.7 MPG (hand calculated total miles/total gallons)
Towing heavy (14K lbs) - 9-11 MPG
Highway empty - 17-18 MPG
One thing I've noticed is that this engine seems to be a pig during warm up cycles. If you do a lot of short trips, your mileage will suffer. You'll also go through more regens, which also affects mileage.
Post Fiend
Joined: Jun 2014
Posts: 6,801
Likes: 7
From: DFW, TX-GoldCanyon, AZ
Just recorded my best ever fuel mileage at 16.2 including a couple of regens in there.
Towing heavy (over 18k Fiver), I was between 7.2 & 8.2... A stock 7.3 would have a heckuva time trying to drag my camper up a steep hill, but this 6.7 just walks up the hills on cruise control without breaking a sweat...
This is a 9k truck and I'm pretty happy with it...
Towing heavy (over 18k Fiver), I was between 7.2 & 8.2... A stock 7.3 would have a heckuva time trying to drag my camper up a steep hill, but this 6.7 just walks up the hills on cruise control without breaking a sweat...
This is a 9k truck and I'm pretty happy with it...
Laughing Gas
Joined: Apr 2003
Posts: 1,188
Likes: 87
From: Olympic Peninsula
Just got back from a trip from SW Oregon to NW Washington State and back, no real mtn passes. 800 mile round trip and hand calculated at 18.6 mpg.
No complaints here. It is such a pleasure to drive.
No complaints here. It is such a pleasure to drive.
Mountain Pass
Joined: Feb 2010
Posts: 217
Likes: 0
From: Washington State
Exactly how I see it. I can average 19 hwy empty and 11-12 towing my 5th wheel. Coming from a 7.3 performance tuned and cat delete 97 F350 to a 2012 6.7 stock is a huge difference, most noted in fuel mileage and power performance for towing.
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