Quick question on MPG
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Junior User
Joined: Jul 2006
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Quick question on MPG
Buddy just got a 2006 Lariat, super cab with the 5.4. Roughly what kind of mileage should he expect on the hwy? Computer is showing, at best 15.3. I would have thought in OD at 65 it would be in the 18-19 range
Posting Guru
Joined: Feb 2001
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From: Maple Grove, PA
65 on the the highway i got 18.9....i tried it out...put the cruise on and came home from pittsburg to east of harrisburg and calculated the MPG....basically 19....i was pretty happy....honestly didn't expect it....but the tank proved it...
Post Fiend
Joined: Mar 2005
Posts: 8,542
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From: Louisiana
My dad gets about 19 mpg in those conditions in his 04 F150 5.4
If he takes it alittle slower, accelerates extreamly slow he still doesn't get any better. 19 is about the best he gets, and in town he gets around 15-16, taking it easy.
If he takes it alittle slower, accelerates extreamly slow he still doesn't get any better. 19 is about the best he gets, and in town he gets around 15-16, taking it easy.
Posting Guru
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From: Maple Grove, PA
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Cargo Master
Joined: Aug 2002
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From: Over Yonder, MN
I get about 18 MPG on average at 70 in my truck. If it’s brand new it will get crappy mileage, I was lucky to get 10 from mine, but now with a few more miles it’s doing a lot better and I don’t even think it’s completely broken in yet.
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New User
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Mpg
I have a 07 SCREW with the 6.5' bed. Just did a road trip yesterday and running at 70 to 74 mph I averaged 15.5 mpg on the trucks trip computer. I only have 2300 miles but was hoping to get better. This truck has the 3.55 rear end and 20" rims.
Posting Guru
Joined: Feb 2001
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From: Maple Grove, PA
my personal experience is that it's the extra speed from 65 to 70-74 that hurts MPG because drag increses exponentialy....i found 65 to get me there in a reasonable amount of time and get the best MPG....
also the 3.55 gears on 20" rims....3.73's would have been better in my opinion....
also the 3.55 gears on 20" rims....3.73's would have been better in my opinion....
Senior User
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Originally Posted by gui88ford
...also the 3.55 gears on 20" rims....3.73's would have been better in my opinion....
Posting Guru
Joined: Feb 2001
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From: Maple Grove, PA
Originally Posted by HamerDown
For around town and towing I would say yes, but for HWY I'm thinking the 20" wheels and 3.55's would do good mpg wise.
