6.4L PSD vs V10
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6.4L PSD vs V10
I need some sage like advice and info. I currently own a 05 F150 SC Lariat 4x4 with the Triton 5.4L. The truck has a 6 in Procomp lift with 35's, it is my daily driver and I tow a 28ft TT a few times a year. I get 11 MPG blended. This past October on a trip to California from AZ I averaged 6 MPG while towing. My truck just does not tow the trailer well. So I am now looking to buy an 08 F250 CC 4x4 Lariat. My dilemma is which engine to purchase. As I stated earlier this is my daily driver and I drive roughly 15K TO 18k annually, 60% in town. I will tow my TT 2K to 3.5K per year. I have read that the 05 and newer 3 valve V10 is a great motor but will get about 9.5 MPG empty. The new 6.4 PSD doesn't sound like it is getting better than 13 MPG. $6,800 to go with the PSD plus diesel here in Phx is $3.35 per gal, $.50 more than gas! I figure it will be around 80K miles before the PSD starts to pay off. Are the MPG numbers I'm hearing for the 6.4 PSD correct? What about the V10? Any advice on the topic will be appreciated.
Lead Driver
Joined: Jun 2007
Posts: 6,757
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From: Corvallis, OR
Your mileage numbers seem low, but I couldn't say for sure. For how little you tow in relation to unloaded in-town mileage, the V10 seems like the best choice. I have a 6.0L but for the way I drive I should have gone with a V10, just got a heck of a deal on this one.
Postmaster
Joined: Oct 2006
Posts: 4,171
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From: SE Texas
Originally Posted by Eirickw
I have read that the 05 and newer 3 valve V10 is a great motor but will get about 9.5 MPG empty. The new 6.4 PSD doesn't sound like it is getting better than 13 MPG. $6,800 to go with the PSD plus diesel here in Phx is $3.35 per gal, $.50 more than gas! I figure it will be around 80K miles before the PSD starts to pay off. Are the MPG numbers I'm hearing for the 6.4 PSD correct? What about the V10? Any advice on the topic will be appreciated.
IMO-with the track record of the diesels lately,and the fuel cost difference that will not go down anytime soon-I'd say the V10 will be perfect for you. If you pulled a trailer every day or over 50% of the time,I'd say you needed the diesel,but for you this isn't the case.
JL
FTE Leadership Emeritus
Joined: Sep 2000
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From: Stephensville WI
Your 5.4L numbers seem low. I get 9-10 towing my toy box at about 8000 pounds.
Regardless of who says they get what mileage, from what I can see the 6.4L and the V-10 seem to get pretty close to the same fuel mileage. Both engines have proven to be pretty reliable and great at towing load of over 10,000 pounds. They also seem to tow a heavy load about the same, although owners of both will debate that.
I recommend you choose by driving style. If you do lots of highway cruising and towing, the Power Stroke is a better choice. If you do a lot of short trips mixed with some long cruises and occasional tows, the V-10 is probably a better truck.
Other recommendations; get manual hubs and manual transfer case, it's more reliable. Transmission choice isn't critical, get whichever you want.
Regardless of who says they get what mileage, from what I can see the 6.4L and the V-10 seem to get pretty close to the same fuel mileage. Both engines have proven to be pretty reliable and great at towing load of over 10,000 pounds. They also seem to tow a heavy load about the same, although owners of both will debate that.
I recommend you choose by driving style. If you do lots of highway cruising and towing, the Power Stroke is a better choice. If you do a lot of short trips mixed with some long cruises and occasional tows, the V-10 is probably a better truck.
Other recommendations; get manual hubs and manual transfer case, it's more reliable. Transmission choice isn't critical, get whichever you want.
Cargo Master
Joined: Jan 2007
Posts: 2,243
Likes: 79
From: Roman Forest, TX
Yeah, what Redford said. I don't know who told you those numbers, especially the 9.5 for the V-10! While they're not a lot higher, for driving empty, 12 - 15 is pretty common, with the 9.5 coming in towing. By the description of your use, I'd think the V-10 would be a fine choice, given the higher price if diesel right now.
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Cargo Master
Joined: Nov 2004
Posts: 2,751
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From: So Oregon
Maybe 9.5mpg is with 35" tires? I think if you check the V10 forum you'll find the mileage slightly higher, as others have posted. Seems most will be in the 11mpg range, plus or minus. I've gotten 12.5 towing a 4,000 trailer and a boat (not at the same time) on the highway, but I live in a valley and most driving is through mountains, so mileage goes up and down. I've never gotten as low as 9.5 mpg (for more than a few miles) but I don't tow heavy.
Sounds like you like to modify your trucks. I'd get a F250 V10 with 4.30 and maybe put F350 blocks in the rear and a leveling kit. You'll have more than enough room to clear 35" tires.
Sounds like you like to modify your trucks. I'd get a F250 V10 with 4.30 and maybe put F350 blocks in the rear and a leveling kit. You'll have more than enough room to clear 35" tires.
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Senior User
Joined: May 2005
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From: NEWTOWN, ct
remember it all comes down to where you live. I live in Connecticut and there are a lot of hills, not big ones, but constant, up and downhill. I have a 5.4 with 3.73's and 285 BFG AT's. I get an average of about 9.5-10 around town and thats not towing. If I lived in Nebraska i would probably get better mileage because i would never need to push the pedal more than 1/2 way! I think the way ppl are afraid of gas costs a 10 cylinder is a hard sell for most dealers, so you may get a good deal.
FTE Leadership Emeritus
Joined: Jul 2002
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From: Long Island USA
Originally Posted by Eirickw
I need some sage like advice and info.
Re-gearing for the tire size might be cheaper than buying a whole new truck
Elder User
Joined: Jan 2007
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Originally Posted by krewat
What gears are you running now?
Re-gearing for the tire size might be cheaper than buying a whole new truck
Re-gearing for the tire size might be cheaper than buying a whole new truck
Lead Driver
Joined: Dec 2003
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Originally Posted by lariat79sc
A really good truck shouldn't stink neither, but who are we to judge? 
but you know, I am one of those freaks that loves the smell of the diesel exhaust. hell, have you ever smelled one running bio?