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Old 11-09-2010, 01:23 PM
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Default 80 series fuel mileage expectations

I've been looking pretty closely at a 1996 Lexus LX450 (165K, all stock, f/r lockers) and am wondering what the real world mileage expectations are with these rigs.

I wouldn't be too concerned except that every good trip for me starts and ends with 1300-1500 or more highway miles.

Lay it on me. I can take it.
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Old 11-09-2010, 01:26 PM
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For the last 6 months, I've averaged ~ 14mpg in stock form with mixed use driving. Range is 12 - 16mpg.
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Old 11-09-2010, 01:31 PM
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When mine was stock 14city/16HWY on summer fuel mixture. Dropped a little when the winter fuel showed up at the gas stations. 18+ a few times on the HWY. Keeping it under 70MPH is the key. More than that and fuel consumption goes way up in my experience.

Now I'm down to 12 with 315's, 2" lift and some armor.

I would hope you'd do a little better than us at lower elevation.
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Old 11-09-2010, 01:37 PM
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I am running big 36's with 4.88 gearing. 6inches of lift and I monitored it closely on my trip to Alaska. Lower elevation gains once out of the lower 48 but I was averaging around 13.4-14.2.

Around Colorado's road trips (think Denver to Moab) I get about 11-12 MPG.

Around town it's around 10-12 depending on how I drive.

How much stuff in my vehicle doesn't seem to matter since the more I have the slower I go so it's all relevant. Mostly do 70-75 on the highway unless loaded then 60-65.
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Old 11-09-2010, 01:37 PM
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Yup, mid 12's around town, 14-15 if there's a good dose of highway. Not stock though, that's 35's and 4.88 gears, easily 1000 pounds of extras.
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Old 11-09-2010, 03:14 PM
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Those numbers sound pretty close to the rated 13 city, 15 hwy. Just what I needed to know. I think I'll ponder on this during the Maze trip. If it's still available maybe I'll put an offer in. If it isn't, well, then I'll still have several greenbacks in my pocket.

Here's some pics of it - - - > http://s255.photobucket.com/albums/h...Lexus%20LX450/
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Old 11-09-2010, 06:25 PM
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I probably get around 12 MPG too. Supercharger, 4" lift, 315s, bumpers front and rear, sliders, Iron Pig skid plate, huge M12,000 winch, drawers in the back -- yeah, I'm carrying some extra pounds.
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Old 11-09-2010, 07:22 PM
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You will get about 1.5mpg better with a 100 series.
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Old 11-09-2010, 09:25 PM
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Quote:
Originally Posted by Woodsman View Post
I think I'll ponder on this during the Maze trip.
There is no substitute for the real thing. I'll let you gas up my 80 this trip and I'll gas up your FJ!
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Old 11-09-2010, 10:08 PM
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I get 16-17 on the highway pretty consistently but I have stock gearing, 33s, and I don't go over 65. Plus I have an OBDII gauge that tells me instantaneous mileage and I fixate on it; it's like a contest and if the long term mileage drops a tenth of an MPG I feel like I've lost. Driving can be monotonous and you have to do something

I think gearing and speed will be the death of mileage.
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