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Sequoia General discussion forum for the second generation 2008 and later Toyota Sequoia.

This is a discussion thread titled "Gas Mileage for 08 Sequoia", within the Sequoia forum, part of the SUV Forums category.


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  #46 (permalink)  
Old 01-15-2008, 10:20 PM
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Default Re: Gas Mileage for 08 Sequoia

Bioenergy Conversion Factors

Ethanol has 33% less energy per gallon than gasoline. Not 50% less.
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  #47 (permalink)  
Old 01-15-2008, 10:22 PM
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Default Re: Gas Mileage for 08 Sequoia

No gas station uses 100% gas anymore. I don't even think it is legal.
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Old 01-19-2008, 08:46 PM
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Default Re: Gas Mileage for 08 Sequoia

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Originally Posted by Trebor129 View Post
Bioenergy Conversion Factors

Ethanol has 33% less energy per gallon than gasoline. Not 50% less.
Thanks for the correction, I should have checked my numbers instead of posting from memory. Looks like that makes the miles per dollar about equivalent on the cheaper 10% ethanol fuel. I am still not a fan of the fact that customers think they're saving money when in fact they are only breaking even.

Last edited by crashing_sux; 01-19-2008 at 08:58 PM.
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Old 01-19-2008, 08:48 PM
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Default Re: Gas Mileage for 08 Sequoia

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Originally Posted by Trebor129 View Post
No gas station uses 100% gas anymore. I don't even think it is legal.
I guess I could have been more specific here, when I referred to 100% gasoline, what I meant was 0% ethanol.

According to this article in the NY Times, half of all gas sold has no ethanol in it.
http://www.nytimes.com/2007/10/24/au...ef=autospecial
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Old 01-19-2008, 08:53 PM
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Default Re: Gas Mileage for 08 Sequoia

Finally filled up again. 315 miles of mostly city driving with about 100 miles of highway driving mixed in. My average speed was 36mph and my fuel economy was 14.8mpg according to the computer. On paper 315 miles on 21.4 gallons is 14.72mpg.

So far I have nothing bad to say about Toyota's built in mpg tracking. I've found I can easily achieve 20mph on the highway at 60mph but I usually drive 70-75mph and get closer to 18mph on the highway. City mileage is dismal, as expected.
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Old 01-22-2008, 10:18 AM
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Default Re: Gas Mileage for 08 Sequoia

Bought the 08 about 3 weeks ago now.

5.7 and SR5 2wd.
went from a Jeep grand cherokee that was getting average on the computer - 15.6mpg and thought that since the Ratings on the Seq were what 14-19 or 20, that it would have to get about the same. Wrong.

With about 80% city and 20% highway, we are averaging 13.9.

I reset it before getting on the highway last night to see what just highway would be for our trip of about 20miles ea way.

When we got home it was at 17.9mpg.

So maybe toyota was on a down hill test track with No imperfections and negitive air chamber? :-)
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Old 01-22-2008, 10:36 AM
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Default Re: Gas Mileage for 08 Sequoia

Quote:
Originally Posted by Robert_Laurali View Post
Bought the 08 about 3 weeks ago now.

5.7 and SR5 2wd.
went from a Jeep grand cherokee that was getting average on the computer - 15.6mpg and thought that since the Ratings on the Seq were what 14-19 or 20, that it would have to get about the same. Wrong.

With about 80% city and 20% highway, we are averaging 13.9.

I reset it before getting on the highway last night to see what just highway would be for our trip of about 20miles ea way.

When we got home it was at 17.9mpg.

So maybe toyota was on a down hill test track with No imperfections and negitive air chamber? :-)

Sounds like you're pretty close to the EPA numbers (14/19) with your test results (13.9/17.9). Engines will get better mpg typically in the second 5k miles vs the first 5k miles as it breaks-in and after the 1st oil change.
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  #53 (permalink)  
Old 01-22-2008, 04:15 PM
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Default Re: Gas Mileage for 08 Sequoia

I did some towing with my Sequoia Sunday and was disappointed with the mileage but very happy with the towing performance. I was towing a 7'x14' enclosed motorcycle trailer with 5 dirt bikes in side. When towing this trailer with my old 2002 V6 4Runner I got about 11.5-12mpg with OD off at 60mph, and 10.5mpg with OD off at 70-75mph. If I manually engaged OD whenever I could while keeping the torque converter locked up on flat sections at 60mph I could actually achieve 14.5-15mpg.

I was unsure about the Sequoia as it is bigger and would punch a bigger hole through the air for the trailer and has the six speed transmission with the ability to lock up the torque converter in 4th, 5th, and 6th gear so I had hoped that the net result would be fuel usage at least close to what I got before.

I was wrong. At 75mph I was getting 7.5mpg. At 65mph I could only manage 9.5mpg. Oh well, I didn't buy this truck to save on fuel, but still.....ouch. I've pulled this trailer behind a friends full size Chevy and he got about the same mileage I did in my 4Runner, 12mpg, so 9.5mpg was a bit of a surprise. I only have 1200 miles on the truck right now, I'll cross my fingers and hope it gets better as I put a few more miles on the truck but I doubt it. I did have a cargo box on the roof that might have had a small effect, I'll take it off and try again in a week or two to see if I get better results.
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  #54 (permalink)  
Old 01-22-2008, 04:58 PM
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Default Re: Gas Mileage for 08 Sequoia

If it's any consolation, when towing with the old style Sequoia's, MPG drops significantly as well.

Wonder why the chevy/GMC get better towing MPG??
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Old 01-23-2008, 12:24 PM
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Default Re: Gas Mileage for 08 Sequoia

Quote:
Originally Posted by crashing_sux View Post
I did some towing with my Sequoia Sunday and was disappointed with the mileage but very happy with the towing performance. I was towing a 7'x14' enclosed motorcycle trailer with 5 dirt bikes in side. When towing this trailer with my old 2002 V6 4Runner I got about 11.5-12mpg with OD off at 60mph, and 10.5mpg with OD off at 70-75mph. If I manually engaged OD whenever I could while keeping the torque converter locked up on flat sections at 60mph I could actually achieve 14.5-15mpg.

I was unsure about the Sequoia as it is bigger and would punch a bigger hole through the air for the trailer and has the six speed transmission with the ability to lock up the torque converter in 4th, 5th, and 6th gear so I had hoped that the net result would be fuel usage at least close to what I got before.

I was wrong. At 75mph I was getting 7.5mpg. At 65mph I could only manage 9.5mpg. Oh well, I didn't buy this truck to save on fuel, but still.....ouch. I've pulled this trailer behind a friends full size Chevy and he got about the same mileage I did in my 4Runner, 12mpg, so 9.5mpg was a bit of a surprise. I only have 1200 miles on the truck right now, I'll cross my fingers and hope it gets better as I put a few more miles on the truck but I doubt it. I did have a cargo box on the roof that might have had a small effect, I'll take it off and try again in a week or two to see if I get better results.
Daym that sucks! Even in my 2001 4x4 supercrew F-150 that gets 13.5 Average MPG, when towing my 6500lbs trailer w jeep on it, I get around 10.

What wouuld you est that loaded trailer wieghts? 1900lbs max? ugg.

I do notice that in the Seq. during a very gental acceleration from a stop it drops down to like 8-9mpg (inst avg).
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Old 01-23-2008, 12:42 PM
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Default Re: Gas Mileage for 08 Sequoia

Hmm.. I've heard the statement that the larger engine gets better milage because it "loafs" along in the higher gearing. Maybe, when it is asked to work a little this becomes a negative.
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Old 01-23-2008, 08:38 PM
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Default Re: Gas Mileage for 08 Sequoia

Quote:
Originally Posted by srock View Post
Hmm.. I've heard the statement that the larger engine gets better milage because it "loafs" along in the higher gearing. Maybe, when it is asked to work a little this becomes a negative.
Yep, that's exactly what I was hoping for when bought a bigger truck, since there was such a huge difference on my 4Runner between cruising in 3rd and 4th gear.

I don't know the exact weight but I know it's less than 2000lbs, and with bikes I'm should still be at 3500lbs or less. It is a tall trailer, I can easily stand up inside it although the V nose should help with mileage a bit. Not that I can see though.

Here's pic if that helps.

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Old 01-23-2008, 11:02 PM
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Default Re: Gas Mileage for 08 Sequoia

On my last tank the computer said 12.2 and my pump calculations were 12.5. This is the most it has ever been off for me.

I just changed my tire pressure from 32 to 44 and will see if that matters. The ride feels fine.
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Old 01-23-2008, 11:31 PM
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Default Re: Gas Mileage for 08 Sequoia

I've been a bit baffled by a few things.

After I had my oxygen sensors replaced (and my inch larger tires put on), calculated, with tire size error into account, I was getting about 17.8 mpg (limited 4x4 , 01 95k miles) going 74 mph w/ AC.

I don't know if another O2 sensor is going, weather... somethin, but my mpg has been about 16 or so on the highway... but then I started noticing that ALL of the gas stations in Florida... and i mean, every single one I have been to between Gainesville, Ocala, Tampa, Fort Myers... says that they now use a maximum of 10% ethanol in all their gas. Guess this could account fo rmy slight mpg drop.
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