Fuel mileage?
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Senior User
Joined: Dec 2003
Posts: 104
Likes: 0
From: CT
Fuel mileage?
I have a 1999 f250 superduty w/7.3 PSD 91,000 miles and would like to know what I shopuld be getting for fuel mileage. I am getting around 13-14 MPG the truck is totally stock. I just bought it and would like to know what I shoould be getting.
Junior User
Joined: Oct 2006
Posts: 91
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From: Western Mass
I have a bone stock 03 4x4 supercab with the 7.3 & 3.73's, I get around 15mpg this time of year...winter blend still. I expect summer will pick up a mpg or so. I do 90% secondary road driving, drive 40-50 with lights every mile or 2. I don't drive to conserve, but don't stomp on it either.
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
I get 16-17 on the highway (~400 miles on ~24 gallons). That was when it was totally stock. Only mods so far are CCV, 6637, and 4" SS MBRP exhaust. Haven't done any highway driving since. However, I'm wondering if the 2WD version has an MPG edge since it's a bit lower in the front that its 4WD brother. Anyone know for sure?
Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
Originally Posted by Duane99
I have a 99.5 auto, 4wd, 4door, short bed and a few weeks ago I checked it on my way to Phoenix and I was getting 19.5. That was checking it the math way, not by the trip computer
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Post Fiend
Joined: Jun 2004
Posts: 9,293
Likes: 10
From: Parker, CO
Yesterday I filled up with 31 gallons on a 29 gallon tank. The fuel gauge was below the red line at "E". I put 499 miles on that tank, almost all city driving. That's 16 mpg on a truck with a 6" lift and 36" tires.
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Post Fiend
Joined: Feb 2007
Posts: 14,541
Likes: 2
From: Dallas-Ft. Worth
I haven't done the fuel tank mods yet, so when I'm in a hurry, I might get 25g in it. Sunday when fuel was still $2.54/g here I took my time and filled it full as I could. I got a little over 29 in it, and I wasn't at E yet. Glad I did, too -- I just saw that it went up to $2.91 & $2.99 at two stations I passed going to lunch. 
These SOBs are really pi$$ing me off!!!
These SOBs are really pi$$ing me off!!!
Elder User
Joined: Sep 2004
Posts: 750
Likes: 0
From: Weimar,TX
I have an 2003 4WD 7.3 PSD with 3:73 gear, crew cab, short bed and I am getting
around 17 mixed country and town driving, hand calc's.
Sure beats the 12 to 12 1/2 I was getting with my V10, especially with diesel only
$.14 higher this morning than regular.
Jack
2003 F250 4WD 7.3 PSD Lariat Crew Cab
around 17 mixed country and town driving, hand calc's.
Sure beats the 12 to 12 1/2 I was getting with my V10, especially with diesel only
$.14 higher this morning than regular.
Jack
2003 F250 4WD 7.3 PSD Lariat Crew Cab
Senior User
Joined: May 2004
Posts: 448
Likes: 0
From: Minnesota
Last tank I got 17.2, that is a mix of hiway and city driving, and on winterblend fuel. Best I ever got was 19.8 last summer. I am going for 20 this year as soon as they get #2 back in the tanks!
Senior User
Joined: Jan 2007
Posts: 175
Likes: 0
From: PA
real mileage or computer AVG
I bought the 2000 SD 4x4 7.3 diesel Auto. The trip computer was telling me 26-28 MPG with mostly hwy driving. In disbelief I filled it from half tank (on the guage) 13 gallons for 270 miles. That's 20.7 not bad for a big truck. But reality is the actual fuel you've used vs mileage.
I see 11.4 all the way up to 16.