6.8 vs 5.4
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Elder User
Joined: Oct 2007
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From: PA
6.8 vs 5.4
I,ve had four v-10's since 1999. Latest is 08 F-250. Have no complaints with these motors. Never driven a 5.4 equipped F-250. Don't feel like messing around with these sales people just yet. There are a bunch of 08 F-250 trucks around here with the 5.4. Good deals to be had. So the question is, what do you all think of the 5.4 as far as mileage and power compared to the 6.8
Thanks. Best, Charlie
Thanks. Best, Charlie
Postmaster
Joined: Jan 2005
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From: Peoria, IL
The consensus usually is you get about the same gas mileage, but less power, especially when towing. Getting the 4.10 gears helps out with the power, but most agree if you are going to be hauling or towing with the truck the upgrade to the V10 is well worth it.
Postmaster
Joined: Oct 2008
Posts: 3,924
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From: Richmond BC
i didnt feel the 2000 F150 i had with a 5.4 was powerful enuf..
i cant imagine one in a SD F250..
i would spring for the V10.. esp given teh slight cost to upgrade to it..
the V10 wont work nearly as hard to lug the truck around not to mention if u actualy load it up and haul with it...
to be honest im surprized they even offer the 5.4 in the SD lineup...
i cant imagine one in a SD F250..
i would spring for the V10.. esp given teh slight cost to upgrade to it..
the V10 wont work nearly as hard to lug the truck around not to mention if u actualy load it up and haul with it...
to be honest im surprized they even offer the 5.4 in the SD lineup...
Thread Starter
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Elder User
Joined: Oct 2007
Posts: 599
Likes: 0
From: PA
i didnt feel the 2000 F150 i had with a 5.4 was powerful enuf..
i cant imagine one in a SD F250..
i would spring for the V10.. esp given teh slight cost to upgrade to it..
the V10 wont work nearly as hard to lug the truck around not to mention if u actualy load it up and haul with it...
to be honest im surprized they even offer the 5.4 in the SD lineup...
i cant imagine one in a SD F250..
i would spring for the V10.. esp given teh slight cost to upgrade to it..
the V10 wont work nearly as hard to lug the truck around not to mention if u actualy load it up and haul with it...
to be honest im surprized they even offer the 5.4 in the SD lineup...
Best, Charlie
FTE Chapter Leader
Joined: Feb 2004
Posts: 14,904
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From: Wayland, MI
It used to be a $600 upgrade for the V-10. That is money well spent. You could try to beat the dealer up for the difference.
Toyman
Toyman
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Joined: Dec 2007
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From: Calgary Alberta Canada
I,ve had four v-10's since 1999. Latest is 08 F-250. Have no complaints with these motors. Never driven a 5.4 equipped F-250. Don't feel like messing around with these sales people just yet. There are a bunch of 08 F-250 trucks around here with the 5.4. Good deals to be had. So the question is, what do you all think of the 5.4 as far as mileage and power compared to the 6.8
Thanks. Best, Charlie
Thanks. Best, Charlie
comparing a 99 5.4 to a 2008 5.4 is apples to oranges.
The hp rating of the 2005+ 5.4 is right about where the early v10's were.
Mileage? to say they are similar is to lie.
unless a v10 normally gets 15.5+mpg.
If you work the truck hard regularly a v10 may pay for itself.
towing heavy a v10 is maybe a little better on fuel. otherwise no.
I have a 2005 f250 5.4 and I find it very adequate.
460 engine hp rating 1984.......214hp. 362 ft/lb
460 enginehp RATING 1998....245 395ft/lb
v10 engine hp 1999-2004....310 425ft/lb
3v 5.4 engine hp rating ...........300 365ft/lb
3v V-10...362 hp 457 ft/lb
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Senior User
Joined: Jan 2005
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I like my 5.4 for the power it has. Sure, no matter what I drive would like more power, but it has pulled anything I have asked it too. Mine has 3.73's, when pulling I would like the 4.10's. But 80% of the time I am not pulling a trailer, and I like the higher cruise speed I get with the 3.73's, without reving the motor as much. I like to cruise at 70 to 75mph, and with my 3.73's that keeps it under 2500rpm.
Postmaster
Joined: Mar 2008
Posts: 4,158
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From: Paramount, Ca
I think it would depend what you get the truck for, what kind of work will it be doing. Though if they give you a good enough deal it may be worth it. I have a 2000 5.4L and haven't had any trouble towing or carrying anything.
New User
Joined: Nov 2006
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I had a 2002 5.4 2valve f250. I got 14 mpg back and forth to work and 18mpg on trips unloaded. I now have a 2007 6.0 f250 and get 16 back and forth to work and 19 on a trip unloaded. Pulling my enclosed trailer witch weighs 7000lb from eastern pa to ohio through the applician mountains 350 miles one way I got 11mpg in my 5.4 and in my deisel I get 12mpg. I might add I did the speed limit with both truck witch was 65 to 70. The deisel has much more power, but the 5.4 did the job without any problem. I never had a v10, but I cannot not imagine you would be getting more than 8 or 9mpg towning. My next truck will be another 5.4, the 6.0 just costs to much to maintenance. I might add if you are really towing heavy all this goes out the window, get the deisel.
Posting Guru
Joined: Oct 2006
Posts: 1,761
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From: Bethel,Ak
Wish my dad would have gone for the v10 with the mileage he is getting on his 06 f250 with 5.4. His is kind of a dog but do not know if it has problems from the beginning.
All of the v10's around here are getting as good as the 5.4's.
All of the v10's around here are getting as good as the 5.4's.
Posting Guru
Joined: Jul 2007
Posts: 1,433
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From: Spring Lake
comparing a 99 5.4 to a 2008 5.4 is apples to oranges.
The hp rating of the 2005+ 5.4 is right about where the early v10's were.
Mileage? to say they are similar is to lie.
unless a v10 normally gets 15.5+mpg.
If you work the truck hard regularly a v10 may pay for itself.
towing heavy a v10 is maybe a little better on fuel. otherwise no.
I have a 2005 f250 5.4 and I find it very adequate.
460 engine hp rating 1984.......214hp. 362 ft/lb
460 enginehp RATING 1998....245 395ft/lb
v10 engine hp 1999-2004....310 425ft/lb
3v 5.4 engine hp rating ...........300 365ft/lb
3v V-10...362 hp 457 ft/lb
The hp rating of the 2005+ 5.4 is right about where the early v10's were.
Mileage? to say they are similar is to lie.
unless a v10 normally gets 15.5+mpg.
If you work the truck hard regularly a v10 may pay for itself.
towing heavy a v10 is maybe a little better on fuel. otherwise no.
I have a 2005 f250 5.4 and I find it very adequate.
460 engine hp rating 1984.......214hp. 362 ft/lb
460 enginehp RATING 1998....245 395ft/lb
v10 engine hp 1999-2004....310 425ft/lb
3v 5.4 engine hp rating ...........300 365ft/lb
3v V-10...362 hp 457 ft/lb
In my experience the only big difference between the 5.4 and a 6.8 of respective years is the pulling power. I drive a few V-10s in my day and unloaded they did not feel and faster or more responsive than the 5.4L. I was quite disapointed with the V10's i've driven unloaded, but if I had to do it again I'd get a V10.
my 5.4 in cold weather gets 8 and 12, and in the warm about 10 and 14mpg. Which is right on par with the equivalent year V10 with same gears and same conditions.
FTE Leadership Emeritus
Joined: Sep 2000
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From: Stephensville WI
My 2007 5.4 with 3.73 gears generally gets 15-18 MPG highway steady cruising, 10-12 around town, 12 towing the trailer pictured below (3500 pounds when empty) and about 9-10 towing when loaded.
No, it can't tow as much as a V-10, but it tows my 8000 pound load very well.
But, what you select depends on your requirements and your tastes. Drive a 5.4L and judge for yourself.
No, it can't tow as much as a V-10, but it tows my 8000 pound load very well.
But, what you select depends on your requirements and your tastes. Drive a 5.4L and judge for yourself.
Senior User
Joined: Dec 2006
Posts: 366
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From: Rhode Island
Get the V-10. For one your familiar with them and going to a 5.4 may be a dissapointment for you. Second it's a $600 option, even less when you figure out the percentage off sticker you payed. Third the fuel mileage penalty is fairly small. Finally, it's rated to tow the same as the diesel in most applications so you won't be "wanting or wishing" for more power if a big tow job lies ahead.
I had an 06' F150 with the 5.4 and thought it was anemic at best and towing my 8,500lb boat was nerve wracking. With my current rig the boat is a non-issue when in tow.
I had an 06' F150 with the 5.4 and thought it was anemic at best and towing my 8,500lb boat was nerve wracking. With my current rig the boat is a non-issue when in tow.