Toyota Tundra Forums : Tundra Solutions Forum

This blog is about my search for better fuel economy for my truck. I have a 2004 Toyota Tundra Double cab with a V8 engine, four wheel drive, and a four speed automatic transmission. Of all the years the Tundra has been available it appears that the 2004 DC truck, because of its size and engine/transmission configuration, gets the worst mileage of all the Tundras. The Gross Vehicle Weight of the truck is 6600 pounds and the EPA fuel economy rating for the truck is 14 mpg in the city and 17 mpg on the freeway. In all honesty these fuel economy figures are both generous and unrealistic.

I have a personal Blog with more detailed information about my testing and my findings. Detailed spreadsheets of my fuel economy and test conditions can be emailed from my email account at highwaylizard@gmail.com

Please feel free to subscribe to my blog here on this forum through the RSS feed or my personal Blog.

Thanks for looking and ask any questions you may have.

MPG Numbers 4-19-2009B

Posted 04-19-2009 at 05:40 PM by Highwaylizard

MPG Numbers 4-19-2009B
Filled up today:

All highway driving with trailer
208.6 miles
17.938 gallons Shell87
11.6289 MPG
.5533 increase in MPG since last of highway driving

Excluding the miles generated pulling a trailer on the highway:

Overall average city driving for this month 14.0290 MPG
Overall average highway driving for this month 15.3607 MPG

These numbers were generated running with the trailer from Indianapolis, Indiana to up...

Highwaylizard

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MPG Numbers 4-19-2009A

Posted 04-19-2009 at 04:16 PM by Highwaylizard
Updated 04-19-2009 at 04:58 PM by Highwaylizard

Filled up today:

All city driving with trailer
76.4 miles
6.898 gallons Shell87
11.0757 MPG
.7544 decrease in MPG since last of highway driving
5.0202 decrease in MPG since last tank of city driving

Excluding the miles generated pulling a trailer on the highway:

Overall average city driving for this month 14.0290 MPG
Overall average highway driving for this month 15.3607 MPG

These numbers were generated on our mowing route from yesterday. We pulled...

Highwaylizard

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MPG Numbers 4-17-2009

Posted 04-17-2009 at 10:17 PM by Highwaylizard

Filled up today:

164.2 miles
10.703 gallons
.7544 decrease in MPG since last of highway driving
.6298 increase in MPG since last tank of city driving
15.3415 MPG
All city driving
Overall average city driving for this month 14.0290 MPG
Overall average highway driving for this month 15.3607 MPG

These numbers are actually quite good considering they were all city driving and included pulling the trailer for approximately 30 miles. The trailer was pretty heavy...

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MPG Numbers 4-14-2009B

Posted 04-14-2009 at 11:30 PM by Highwaylizard

Filled up today:

111.4 miles
6.921 gallons
1.3842 increase in MPG since last fill up
16.0959 MPG
Nearly all highway driving

These numbers were generated with approximately 10 miles of the overall mileage being in town. They reflect the first set of miles to be run after in the installation of the “foolie” exhaust set-up. This run was done from Indianapolis, Indiana to Greensburg, Indiana and back. The initial fill up was done at pump # 01 on North Meridian Street in Indianapolis....

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MPG Numbers 4-14-2009A

Posted 04-14-2009 at 11:15 PM by Highwaylizard

Filled up today:

170.7 miles
11.603 gallons
.5260 decrease in MPG since last fill up
14.7117 MPG
Nearly all city driving

These numbers were generated driving in town without the trailer in stop and go traffic. The weather here has been raining nearly every day so we are unable to work the landscaping business and therefore no need to pull the trailer. In addition to the constant and ongoing rain there have been significant winds. All in all these numbers...

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