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4,030 Posts
14-16 for me.
Average Gas Mileage
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272 Posts
18 mpg is average for my stock 2010 FJ, no roof rack. I drive on the interstate a lot so I don't see 20+ very often.
18.5 if I'm going 70
17.7 if I'm going 75
16.7 if I'm driving in the city
You can check out other people's gas mileage on fuelly . This is mine: Mr. FJ (Toyota FJ Cruiser) | Fuelly I would put the banner on my signature but this site doesn't allow two images in signature.
I saw a post not too long ago about all the things you can do to improve gas mileage.
Edit: I'm also a very conservative driver.
18.5 if I'm going 70
17.7 if I'm going 75
16.7 if I'm driving in the city
You can check out other people's gas mileage on fuelly . This is mine: Mr. FJ (Toyota FJ Cruiser) | Fuelly I would put the banner on my signature but this site doesn't allow two images in signature.
I saw a post not too long ago about all the things you can do to improve gas mileage.
Edit: I'm also a very conservative driver.
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35 Posts
Steel bumper, winch with synthetic line, aluminum front skid, Toyo R/T in 35x12.5R17. 149,968 miles with all synthetic oils everywhere... Looking at 15.5 avg after going to 35's with standard daily "Rural" driving with some highway time. When I added the steel bumper I went from 20mpg to 18... 35's dropped me to 15.5.
Let’s just call it smiles per gallon
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3,851 Posts
oh boy!! I have over 200,000 of those!
edit: more like 3M gallons right? avg 15mile per gal.
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Had to run to a job site today. 2725-2750 rpm at 90mph.
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7,930 Posts
Probably gonna lose some face here, but I've got to admit that I've never seen 90 on my speedo.
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272 Posts
better late than never. Next time you're on the highway, take her to 100.
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9 Posts
I have kept track of miles per gallon (MPG) my last 14 tanks of gas - similar to you I put 15ish gallons in each fill up. I always run 87 from Sam's Club unless otherwise noted below. My FJ is basically 100% stock, 2012 with Convenience package and Off-road package, 110k miles.
19.86
17.78
19.44
19.15
18.18
19.79
16.57 (camping trip - more off-roading)
19.49
19.76
20.38
16.79 (Costco gas)
17.67
18.97
19.26
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3,948 Posts
Automatic I assume?
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6,847 Posts
I`m not really sure if I`ve ever seen 80 mph on mine
I usually cruise between 60 and 70 on the freeway. Up on my mountain I doubt I get above 45 mph
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17 Posts
EXACTLY! Who cares!? You get to drive an FJ. Drive a Prius if you care about mpg. My first car was a ‘55 Packard that I got from my grandpa. It got gallons per mile. - my modded ‘14 FJ gets miles per gallon and I love it! Actually prefer it over my ‘21 Bronco. Just drive your FJ and be glad you’re lucky enough to own one!
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Amen brother. Preach it!
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Roof rack, or naked top?
This is an interesting topic - I had the same issue and recently changed jobs which require me to rack up the miles. Every fill up over the last 3 months has been carefully calculated so I know how my driving affects mileage. The difference is as high as 70-80%. I have an 07, lifted, 33's, a hundred or more pound of survival gear, roof and light rack and front bumper winch, etc... definitely not aerodynamic in the slightest. The biggest difference is on the interstate.
If I do 80 on the interstate/freeway, I will average around 9.5 to as high as 10.5 MPG. at this speed I burn through half a tank or more in less than 100 miles. I live and mostly drive in extremely rural areas so have to plan accordingly or carry spare fuel to reduce range anxiety if I drive like that. I have found if I cruise at 72MPH and don't let cruise control climb the hills, I just push as gently up the hill as best as I can and will typically follow a semi or something like that depending on traffic. That will result in a consistent 17 to as high as 19 MPG - I can easily get 100-140 miles out of less than half a tank. So - I could probably get as much as 250-280 out of a full tank. Doing much less than that - like 60-65 the whole way makes almost no difference.
Its pretty easy to carry spare fuel for me now that I purchased a set of Rotopax that hang on the back tire (roughly 4 gals total). Easy to remove/add and fill if I need them or not. There are many rural stretches here as much as 70-80 miles and the next town might not have gas if the owners have gone fishing, or the family is having a wedding or something (I am not joking - that's how it works in New Mexico)
I thought about swapping or selling the FJ until I figured out the range problem was me more so than the FJ. It takes a little more time but all the anxieties went away once I just decide to chill and cruise.
If I do 80 on the interstate/freeway, I will average around 9.5 to as high as 10.5 MPG. at this speed I burn through half a tank or more in less than 100 miles. I live and mostly drive in extremely rural areas so have to plan accordingly or carry spare fuel to reduce range anxiety if I drive like that. I have found if I cruise at 72MPH and don't let cruise control climb the hills, I just push as gently up the hill as best as I can and will typically follow a semi or something like that depending on traffic. That will result in a consistent 17 to as high as 19 MPG - I can easily get 100-140 miles out of less than half a tank. So - I could probably get as much as 250-280 out of a full tank. Doing much less than that - like 60-65 the whole way makes almost no difference.
Its pretty easy to carry spare fuel for me now that I purchased a set of Rotopax that hang on the back tire (roughly 4 gals total). Easy to remove/add and fill if I need them or not. There are many rural stretches here as much as 70-80 miles and the next town might not have gas if the owners have gone fishing, or the family is having a wedding or something (I am not joking - that's how it works in New Mexico)
I thought about swapping or selling the FJ until I figured out the range problem was me more so than the FJ. It takes a little more time but all the anxieties went away once I just decide to chill and cruise.
Driving conservatively and not exceeding the speed limit, I get 18-20 mpg on a 2013 stock AT FJ with OEM roof rack on Cooper Discoverer A/T3 4S tires. On the highway (no mountains), driving the speed limit means I occasionally can see almost 21 mpg.
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Speed limit? 
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