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Old 02-15-2019, 01:04 PM   #1 (permalink)
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Duke - '03 Toyota Avalon XL
90 day: 35.06 mpg (US)
Thanks: 1
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30mpg stock 03 Avalon

When I was a teenager I used to beat the crap out of my car, to the point that Iím surprised my car and I are still alive. Fast forward a few years Iím in my 20s and Iím a little more conscious of my driving habits. Recently I stumbled across this website and was fascinated at the mods and driving techniques used for hypermiling. I figured Iíd give it a whirl. For my baseline Iíve been getting between 18 and 24 mpg. After my first fill up I saw an imeadiate increase at 26.5 mpg. I was so exited by this drastic improvement I wanted to push it even farther. For the next tank I filled up my tires to 40psi instead of the normal 35. In addition the the hard tires I also used engine of coasting wherever it was safe to do so down hill, stoplights etc. I drove 296.7 and it only took 9.808 gallons to fill up the tank. Sitting at the gas station I quickly did the math and was astounded when I realized I just squeaked out 30.25 mpg out of my Avalon. Granted this was combined city and highway driving I didnít believe it at first. I am very excited with these results and I think I may have found a new hobby.

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Old 02-15-2019, 01:47 PM   #2 (permalink)
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His (Benny) - '06 Honda Insight MT
Team Honda
Gen-1 Insights
Last 3: 78.73 mpg (US)

Hers (Colson) - '13 Volvo S60
Team Turbocharged!
90 day: 34.88 mpg (US)
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Decent economy for a stock Avalon!
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Old 02-16-2019, 09:16 AM   #3 (permalink)
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Gaptooth (retired) - '00 Honda Insight
Team Honda
Gen-1 Insights
90 day: 54.26 mpg (US)

Such Fit - '07 Honda Fit Sport
90 day: 41.27 mpg (US)

Connect - '15 Ford Transit Connect XL
90 day: 20.83 mpg (US)

K-sight - '00 Honda K-sight
Team Honda
90 day: 41.4 mpg (US)
Thanks: 2,078
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Those are incredibly comfortable and roomy cars, too. Probably the most comfortable car I've ever driven. Nice work!

I once averaged almost 40mpg in one over a tank, but I was descending from the Rocky Mountains toward the California coast. I don't think it counts if it's all downhill.
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Old 02-16-2019, 10:20 PM   #4 (permalink)
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Location: SE USA - East Tennessee
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Josie - '87 Toyota Pickup
90 day: 26.89 mpg (US)

Felicia - '09 Toyota Prius Base
90 day: 48.73 mpg (US)
Thanks: 421
Thanked 606 Times in 445 Posts
Hey,
Those are damn good results in the totally-not-a-Lexus-on-the-sly Avalon. Seriously.

Let me recommend against engine off coasting, however. Automatic transmissions generally don't like it because of how the lubrication is driven; most autos, if the input shaft ain't turning, lube ain't flowing. You can get away with it for a short distance at low speeds, but EOC often goes beyond short and slow.

The big numbers are great but not at the expense of your tranny.
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Old 02-17-2019, 01:35 AM   #5 (permalink)
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Duke - '03 Toyota Avalon XL
90 day: 35.06 mpg (US)
Thanks: 1
Thanked 2 Times in 2 Posts
Quote:
Originally Posted by elhigh View Post
Hey,
Those are damn good results in the totally-not-a-Lexus-on-the-sly Avalon. Seriously.

Let me recommend against engine off coasting, however. Automatic transmissions generally don't like it because of how the lubrication is driven; most autos, if the input shaft ain't turning, lube ain't flowing. You can get away with it for a short distance at low speeds, but EOC often goes beyond short and slow.

The big numbers are great but not at the expense of your tranny.
Good to know. I remember putting together an automatic tranny is shop class with all the clutch packs that had to be arranged in just the right order. I can imagine the excessive wear that would occur without proper lubrication. My next car will deff be a manual.
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Old 02-17-2019, 01:17 PM   #6 (permalink)
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Check you owners manual to see if they allow flat towing, if they do that's an indicated that the tranny lube pump is driven by the output shaft. A quick search says they aren't. Only 3 Toyota's auto listed are.

Is it possible to tow my Toyota with all four wheels on the ground?

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