I never understood how to calculate mpg on my jeep. Jeep says it's a 19 gal tank. I drive atleast 40 miles after gas symbol lits up and it takes only 16 gal when I refill. I have to get a small gas container and drive around until all the gas is used up.
So, usually I get around 240 miles ( driving 40 miles after the gas symbol lits up). Mine is a 06 6 cyl, almost stock, 31" duratracs on OEM wheels.
I always refuel at half a tank, which really isn't half a tank. It usually takes 6.5 gallons at that point and I get usually between 100-115 miles in town depending on how I drive. So to figure mpg I just divide the miles by the number of gallons, there is no need to drive it to empty to figure mileage.
Miles divided by gallons only works if you are on stock size tires with the stock speedo gear. If you install bigger tires, you need to add the % off back in, or change the speedo gear.
Many people throw big tires on and forget to account that there is now less tire revolutions per mile. So if you got 250 odo miles with 30's, you probably see closer to odo 240 now with 31's. 220 odo with 33s. MPG is the "roughly the same" if you factor in the size increase.
Miles divided by gallons only works if you are on stock size tires with the stock speedo gear. If you install bigger tires, you need to add the % off back in, or change the speedo gear.
Many people throw big tires on and forget to account that there is now less tire revolutions per mile. So if you got 250 odo miles with 30's, you probably see closer to odo 240 now with 31's. 220 odo with 33s. MPG is the "roughly the same" if you factor in the size increase.
Im getting about 160 miles before the light comes on. After that i can drive 50 more miles and still only have to put in 16 gallons when i fill up. BTW i see your in milford, i live in west haven.
Hey! I was following the CT thread, but not much activity over there. Would love to come if there is a CT jeep meet up. I am a newbie to the TJ world and never been to offroading, though I am very interested to earn some stripes on my TJ with light trails.
I can get 300 out of a tank if I really cut it close. Light comes on at 260ish at 1/4 tank but I usually refill before it gets that far. Somewhere around 15-16mpg.
05, 4.0, 31" Grabber AT2 tires, 6 speed, 3.73 gears, 4 inch lift, I get 220-240 miles before the light comes on. 19 gallon tank, light comes on usually after 14.5 to 15 gallons used.
You don't need to get a small gas can and run it dry ... fill it up all the way and reset your odometer. Drive it like you normally would. At ~1/4 tank, fill it all the way up again. Take the miles on the odometer, divide by the gallons you put in and you'll get your mpg for that tank. (I'm assuming you already know this but putting it out there for those that don't) I fluctuate between doing that every tank and every few tanks.
For regular commutes I get ~15 mpg. Light comes on at ~225.
For road trips I get ~18 mpg. Rarely let the level get low enough for the light to come on but based on my calculations, I'd easily get well over 300 miles on a tank.
200-230 depending on highway driving vs sitting in DC traffic. 05 lj I6 auto, all stock at the moment.
good to know that fuel light comes on early as well. I've pushed it 30 miles past and was sweating it out on if I'd make it to a gas station. Always heard they came on with 2 gallons left.
322 I'm walking. Gauge comes on with 5 gallons left & push it to 280-300 before refueling. I've been tracking my mileage through Fuelly for over 30k with an average of 17.1
Didn't do mileage test, but when my fuel light came on I went sixty miles and added 18.25 gallons for fill up. 06 lj with six speed and 31.10.50 tires. Past tests showed 17 town and 19 hi way. My speedo is right on with gps.
This is an older thread, you may not receive a response, and could be reviving an old thread. Please consider creating a new thread.
Related Threads
?
?
?
?
?
Ask a question
Ask a question
Jeep Wrangler Forum
9M posts
468K members
Since 2005
A forum community dedicated to Jeep Wrangler owners and enthusiasts. Come join the discussion about reviews, performance, trail riding, gear, suspension, tires, classifieds, troubleshooting, maintenance, for all JL, JT, JK, TJ, YJ, and CJ models!