Has anyone improved gas milage on the tundra ?

[alberta mac]

I'm looking into the purchase but am wondering what things I can do to improve the miles per gallon aspect ? if it is even possible ?
Thinking K&N is not the answer
Large tires will hinder milage.
Aluminum rims ?
oil additive to oil change ?
Sorry I'm spoiled by the Cruiser diesel I'm driving but just doesn't have the pull power!

 

[MOTOV8R]

Your driving will probably influence it more than anything you can buy. I was getting 16 out of my lifted Tundra with 34" tires in mixed driving. Before I lifted it I got close to 20 on a trip to moab (much of the time going 65). Above 65 my mileage would drop. Same is true for towing. Below 65 I can get 11-12 towing, at 75 8-9. On long trips I usually decide my 15% savings in time driving is worth the 20% more in gas and I let the big dog eat.

 

[TexasTundra27]

Only way I've heard to get better mpg in a Tundra is to keep your foot out of it. I get around 13mpg typically (3.5" lift and 35s) but when I took a trip to Colorado with around 800lbs of gear I was averaging 15-16mpg cruising 70-75 most of the time. I do have a slightly modified intake with a high flow filter, don't think it helps much but gives me a little peace of mind.

 

[Shaky]

When I was on stock size tires, I would average 15.5 gallon in mixed driving. Highway trips I could get 18.

After a leveling lift and 35" tires I average 12-13 mixed, I know my odo is off 5% now so have to take that in account.

My grip is the small gas tank when I'm pulling, I have to fill up after 150 miles, its driving me nuts.

 

[decavo]

After using marvel mystry oil for a month I have gotten an extra 2 mpg. I am using it in the crankcase as per directions and in my gas tank.... It also stopped my oil consumption issue... Old products are still the best

 

[bkfj40]

towing my 80 this past weekend with my '13 tundra I was getting 5.8mpg. The speedo is 7% off, so 6.2mpg or so.

I hope by changing the original spark plugs with 88k miles on them and maybe a throttle body cleaning I will be back up to the normal 9 towing.

 

[TexasTundra27]

Geez, what's the setup on your Tundra? Worst I've ever gotten towing was about 8mpg

towing my 80 this past weekend with my '13 tundra I was getting 5.8mpg. The speedo is 7% off, so 6.2mpg or so.

I hope by changing the original spark plugs with 88k miles on them and maybe a throttle body cleaning I will be back up to the normal 9 towing.

 

[coveboy]

Like everyone else has said, definitely has the most to do with your driving style. Sometimes it's really hard to resist hearing that 5.7 roar with a little extra skinny pedal haha. When I added dual flowmaster mufflers I noticed my highway mileage increase from around 16mpg to 17-17.5, and I've heard of other people getting similar results with aftermarket exhaust systems. I had aftermarket 18x9 wheels and 33" Cooper mud tires too. However, after I threw on the flows I really enjoyed hearing that aggressive tone and it was hard to not give it a little extra gas driving around town and my city mileage dropped to around 11...