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Old 01-24-2011, 07:08 AM
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Default Tundra 5.7 vs Ford 5.4

I'm surprised the Tundra MPG is so poor but I feel like it has a far better engine than the ford...

Any inputs? I am most likely going to need a new truck for a boat. Total weight expected to be around 7K-8K lbs.

The truck would also be a daily driver for 25 minute commutes...
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Old 01-24-2011, 07:16 AM
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2 different engines...

toy 5.7=385hp 401lbs torq
ford 5.4=260hp, 350lbs torq
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Old 01-24-2011, 07:20 AM
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I have a new Tundra Crewmax....mileage is around 13.4 right now. It has about 4K mileage on it. Love the truck, love the room, love the power but yes a bit of a pig......

Hoping to get in the 14's once it is broken in......

Good luck
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Old 01-24-2011, 07:30 AM
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No comparison in performance or technology. The 5.4 is a dinosaur compared to the 5.7.
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Old 01-24-2011, 07:33 AM
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Put 3.91 or so gears (borderline drag racing set up) in the Ford and it too
will have "more power"....and like the Toyota (and Nissan),
the Ford will burn a lot more gas.
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Old 01-24-2011, 07:39 AM
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So what would be the different ideal use for the two?
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Old 01-24-2011, 07:42 AM
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I just bought a 2011 Tundra 5.7l double cab with tow package. The 4.30 rear and high hp drinks some fuel. However, it is like my dad said.. you got to feed the ponies. It is 2wd and I average mostly between 15.5 and 16.5mpg with a combination of city and hwy driving. Best I have seen was a hair over 17mpgs with mostly hwy running on e10 fuel. My truck has about 3000 miles on it.

I tow around 8000lbs and the truck does great.
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Old 01-24-2011, 07:48 AM
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After looking at Ford, Toyota, Gmc, Nissan, and Dodge, I ended up with a Dodge with a Hemi. This was last year before the new ford engines. I am at around 14mpg with a 3.92. I would go with the Toyota over the ford even though the Tundra is in its 5th year of that model.
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Old 01-24-2011, 07:58 AM
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2010 F150 5.4 3.73 with max tow package, 2wd. Supercrew. 7500 miles. Tow 5000lb boat. Overall combined mileage about 15.8mpg so far. Mostly daily commute of 10 miles each way city driving. Tow to beach 150 miles each way. Love the truck, but then again, I replaced a 2001 F150 supercrew that had the same engine but 4sp tranny. Not sure you can go wrong with either choice. Drove both vehicles - liked them both.
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Old 01-24-2011, 08:03 AM
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The new model redesign of the Tundra was 07. So it's just starting the 4th yr of that model. I have the 2010 Crewmax with 5.7 and love the truck. Tested about all manufacturers of trucks and liked the Toyota the best. The ford and dodge were a close second. JMHO

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Originally Posted by Nomis View Post
After looking at Ford, Toyota, Gmc, Nissan, and Dodge, I ended up with a Dodge with a Hemi. This was last year before the new ford engines. I am at around 14mpg with a 3.92. I would go with the Toyota over the ford even though the Tundra is in its 5th year of that model.
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Old 01-24-2011, 08:07 AM
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Center, is that a 5000 lbs boat only...or total load?
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Old 01-24-2011, 08:12 AM
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Quote:
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Put 3.91 or so gears (borderline drag racing set up) in the Ford and it too
will have "more power"....and like the Toyota (and Nissan),
the Ford will burn a lot more gas.

So it's the gears that make the 5.7 more powerful not the fact that is has much more HP and torque by the numbers Ford and Toyota publish for the trucks?
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Old 01-24-2011, 08:14 AM
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Quote:
Originally Posted by Nicmegmatt View Post
2 different engines...

toy 5.7=385hp 401lbs torq
ford 5.4=260hp, 350lbs torq
my 2010 has a 5.4.315hp 365lb.torque.highway miles with k&n filtr.=21-22mpg.new trucks are even better.hard to beat that.
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Old 01-24-2011, 08:15 AM
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The Tundra has a bigger ring and pinion gear and beefier drivetrain all around....this creates a lot more rotational mass....In my opinion...which is the reason for less mpg than the run of the mill half ton models....toyota created an in between, between the "half tons" and the "3/4 tons" as far as towing capabilities....kind of smart on toyotas behalf
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Old 01-24-2011, 08:15 AM
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2wd?
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Old 01-24-2011, 08:17 AM
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Gears don't make it more "powerful" gears take the effort of the engine and translate it into a rolling motion at the wheels.

Think of it like this.. If you're on a bike going the same speed, pedaling in the smallest gear (i.e. highway gears) will be a lot harder to pedal in the big gear (towing gears). Obviously you can go a LOT quicker with less effort with the towing gear but you're pedal rotations (RPM's) will be faster (reduced top end).

Higer RPM's in a motor = more fuel... But higher RPM's are typically required to keep the motor in the power band and torque delivery...
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Old 01-24-2011, 08:33 AM
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http://www.mpgenhance.com/differential.html

maybe this'll help.
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Old 01-24-2011, 08:52 AM
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The new 6 speed automatics provide a much wider range so you can still have high, numerical, rear ends which give good out of the hole power for towing and still be able to only turn 2000 rpm at 70mph on the highway.
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Old 01-24-2011, 01:34 PM
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A 25 minute commute is nothing, I wouldn't be too concerned about fuel economy.

I'm just about to turn 20,000 miles on my 2010 Tundra CrewMax 4X4 with the 5.7.

My fuel economy has ranged from 9.4 MPG towing my boat 100 miles from the Boston area to Meredith, NH, to 17.3 MPG on a trip from the Boston area to suburban Philadelphia.

Until recently, I was commuting over 300 highway miles per week and my average fuel economy was right around 15.5-16 MPG. I don't think a F-150 SuperCrew 4X4 with a 5.4 does any better than that, maybe the new Ford 5.0 V8 or turbo V6 will approach 20 MPG, but not the 5.4 and not here in New England with our colder climate and E10 gas.


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Old 01-24-2011, 01:44 PM
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Sweet truck...I like the toyota better. What brings the Ford into the picture is that I can get a Super Crew with a 6.5 ft bed where as the toyota crewmax only has a 5.5 ft bed....but the toyota double cab is huge to begin with so thats what I am leaning towards...
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