Toyota Tundra 5.7 vs 4.6 V8 - Fiberglass RV


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Old 01-13-2012, 07:27 AM   #1
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Toyota Tundra 5.7 vs 4.6 V8

I have decided on on 2012 Toyota Tundra with the sr5 package that includes the backup camera. Now I keep going back and forth in regards to the 5.7 and the smaller V8. Does anyone tow with one of these and what has been your experience. Thanks Everyone
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Old 01-13-2012, 11:16 AM   #2
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We went with the 4.6 L. It has a towing capacity of 8200 pounds which makes our EggCamper (almost) feel like it isn't even there. Make sure you get the very reasonably priced towing package for the full 8200 lb capacity however. The 4.6 doesn't get that much better mpg than the 5.7, (15/20 vs. 14/18 mpg), but the extra initial cost of the 5.7 was another determining factor for us, especially since we aren't hot-rodders. The 4.6 takes about one second more in 0-60 and about one car-length in the 1/8 mile, so it still has all the pep we need. I highly recommend you check out the Tundra forum where this question comes up a lot: Tundra
However, one warning, a great many of the people on that forum are young hot-rodders who desire all the power they can get. The 4.6 is basically the same engine as the 5.7 but with a shorter stroke, and a BIG improvement over the old 4.7 Tundra small V-8. If you ever think you might want to pull a heaver trailer, then the bigger engine might be worthwhile, but for one of our little fiberglass units, you will be more than happy. Another argument for the 5.7 is that it has a greater resale value; I don't know if it offsets the higher purchase price or not, but it wasn't a factor for us since we always give our older vehicles to one of our kids.
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Old 01-13-2012, 02:26 PM   #3
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For what it's worth our 3.8 liter Chrysler minivan tows our Egg Camper just fine.
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Old 01-13-2012, 02:52 PM   #4
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FWIW,
My Dodge Hemi gets 13 mpg, towing or not towing. Something to think about with the bigger motor.
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Old 01-13-2012, 03:37 PM   #5
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I also think the 4.6 will be plenty. I have the first generation Tundra with a 4.7 and more than enough power for all the towing I do, no problems at all passing uphill while towing. The new 4.6 has more horsepower than the old 4.7.
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Old 01-13-2012, 05:33 PM   #6
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Hi Don. We had a first generation Tundra with the 3.4L V6. I wish I still had it. It was a very nice truck. The one inadequacy was pulling the trailer over the hills. Be it here in Vt. or the Rockies, it was slow going. There are times, like entering a busy interstate, or going over the hill, or just getting out of the way, that the extra power is nice to have. The second generation Tundra is bigger, and heavier. Is it as underpowered with the smaller engine as the first generation was? I can't say. I would think a test drive will tell you. Raz
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Old 01-13-2012, 05:45 PM   #7
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It's a Toyota so it doesn't really matter, either one will do fine. My 2.4 22re Toyota pulls my egg just fine.
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Old 01-14-2012, 06:00 AM   #8
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I currently pull my egg with the 3.4l V6 tacoma circa 2001. Raz, you are correct very slow uphill and with the 4 speed transmission very noisy and hard to help it find the right gear on inclines. I do carpentry and we have a big dog so the Tundra's size is appealing.

I miss my 4cyl 22re engine, couldn't pull my casita 17 but fun as all can be to drive! Thanks for all the advice everyone, I am leaning towards the 5.7, but we will see how the deal works out.
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Old 01-14-2012, 08:21 AM   #9
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Quote:
Originally Posted by Don W. View Post
I currently pull my egg with the 3.4l V6 tacoma circa 2001. Raz, you are correct very slow uphill and with the 4 speed transmission very noisy and hard to help it find the right gear on inclines. I do carpentry and we have a big dog so the Tundra's size is appealing.

I miss my 4cyl 22re engine, couldn't pull my casita 17 but fun as all can be to drive! Thanks for all the advice everyone, I am leaning towards the 5.7, but we will see how the deal works out.
Looking forward to a full report. Happy shopping, Raz
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Old 01-14-2012, 09:24 AM   #10
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Quote:
Originally Posted by P. Raz View Post
Hi Don. We had a first generation Tundra with the 3.4L V6. I wish I still had it. It was a very nice truck. The one inadequacy was pulling the trailer over the hills. Be it here in Vt. or the Rockies, it was slow going. There are times, like entering a busy interstate, or going over the hill, or just getting out of the way, that the extra power is nice to have. The second generation Tundra is bigger, and heavier. Is it as underpowered with the smaller engine as the first generation was? I can't say. I would think a test drive will tell you. Raz
A V-6 is still available in 4x2 regular and double (extended) cab Tundras, you have to have at least the 4.6 V-8 in the 4x4 and Crewmax models. A five speed is all that is available with the V-6 but the V-8s come with a six speed, (all automatics; no manual transmissions in full size trucks). The new V-6 does have 270 hp and 278 lb-ft torque however. The 4.6 has 310 hp & 327 lb-ft while the 5.7 has 381 hp and 401 lb-ft. What amazes me is some people get the 5.7 with the supercharger, which puts out over 500 hp. One review said it was so powerful that it was totally impractical and almost impossible to control. The V-6 with the five speed is only rated at 16/20 mpg while the small V-8 is rated at 15/20 mpg.
(This is all from my 2011 information, I don't know if anything has changed for 2012.)
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Old 01-14-2012, 04:44 PM   #11
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We love our big girl. Backup camera is essential. Not to backup to the trailer. It's to see Grandma in the parking lot as you back over her.
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Old 01-14-2012, 07:40 PM   #12
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Since the larger engine should produce more torque at low RPM's, I would opt for the 5.7 -- especially if my main use was for towing.

For my use I'd prefer a short box, regular cab. Unfortunately, not many others like that combination, so Toyota doesn't produce such a unit with their 5.7 engine as far as I can tell.
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Old 01-15-2012, 06:36 PM   #13
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Whichever engine you choose make sure you get the towing package. The 4.6 with the tow package has a higher tow rating than the 5.7 without it. The 5.7 is the most popular engine and the crew cab (Toyota calls it the Crewmax), is the most popular body style. Very few regular/single cab trucks are sold these days.
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Old 01-19-2012, 10:55 AM   #14
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The 22R was a wonderful engine but I have trouble seeing the little 4s towing. I had a first year T-100 with a 3 litre V6 that couldn't get out of its own way.

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