IS F (2008-2014) Discussion topics related to the IS F model

What's your range on a full tank of gas?

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Old 07-10-09, 11:22 AM
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Supraman16
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Default What's your range on a full tank of gas?

Just like the title says, just curious to see how many miles you guys get on a full tank of gas. Mine is about 255 miles per tank.
Old 07-10-09, 11:33 AM
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dkaplan435
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About 270 miles to the tank..
Old 07-10-09, 11:35 AM
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lobuxracer
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Depends on whether I'm commuting or traveling distance. Commuting I get just under 300 miles, over the road, 350 or so. I still haven't been on a long enough trip to see if it will beat the 450+ I got in my 350.
Old 07-10-09, 11:44 AM
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Juanca
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About 250 in 60/40 city/hwy, ~350 in 100% hwy.
Old 07-10-09, 12:33 PM
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rominl
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for a 17gallon tank i think that's very good
Old 07-10-09, 01:17 PM
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Damage
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Originally Posted by dkaplan435
About 270 miles to the tank..
same here.
Old 07-10-09, 01:40 PM
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Salil022
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never been able to put more than 13.75 gallons in the F....Not sure if they have over 3 gallons in reserve
Old 07-10-09, 01:58 PM
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flipside909
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On long distance trips, I can make about 380. Mixed city highway, 290-300 miles.
Old 07-10-09, 03:48 PM
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CurryPot
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Another car where the difference between winter and summer is noticable (former Prius owner). Fuel has a big influence of course. Highway driving in Winter yielded around 25 MPG. Summer is typically better than 27 MPG.

Best so far was a straight run from Edmonds, WA to Hayden, Idaho with a little running around Hayden. 412 miles on one tank, pushing my luck a little. Temperature was around 70F to 80F and on 10% Ethanol now mandated in WA state - BS.

At the moment, 70% highway and 30% city I am seeing 285 to 310 on a tank, that includes the occasional bit of "fun".

Couple weekends back I took it on a local club cruise up Mt. St Helens and back. Round trip averaged 27.7 MPG, aircon on etc. Not bad for mountain driving, not as good as the Prius on that trip - 54.4 MPG.

Observations:

Fuel pump clicks off around 14.5 gallons but if I try with not too much effort, I can get 16 gallons in her.

Hold it at 60 MPG on the freeway and you get 29 to 30 MPG. It cuts off the fuel to the engine at any chance it gets when coasting - nice bit of engineering Toyota. I take advantage of that by using the paddle shifters to slow the car down and not the brakes, it does make a difference in the MPG.

Parking the car in the sun at work yields better MPG for the drive home. I am guessing engine temp/cat temp has something to do with it.

Better than the G35
I had a 2007 G35 Journey which was misserable on MPG. Best on the journey to Haden was 27 MPG, and that was milking it keeping a steady 70 MPH on cruise control. You can check out their forum for people *****ing about the MPG for a 3.5 L car. I generally struggled to average 18 MPG in the G35, in the IS F 18 MPG is typical but I am starting to see above 20 MPG now the car is at 10 K miles and the summer is here.

Overall, I am happy with the MPG for a 5.0 L 416 HP monster. I'm off to Elma in Oregon tomorrow, will report on the MPG for that trip.

Update:
Edmonds to Elma and back, 26.7 MPG and 212 miles. I got stuck for 20 mins in a traffic jam around Tacoma, and on the way back I was not driving to maximize MPG and it was only 63F on the way back. Keeping it on cruise control clearly makes a difference.

Last edited by CurryPot; 07-12-09 at 12:13 PM.
Old 07-10-09, 04:01 PM
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lobuxracer
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FWIW, I got two and a half tanks at 5.2 MPG on my track day. They drink gasoline like water at full throttle.
Old 07-10-09, 04:23 PM
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Sgt_K
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460...
Old 07-10-09, 06:19 PM
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s4play
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CurryPot: You sir are a true HYPERMILER! (not sure if I spelled that right...hehe)
Old 07-10-09, 06:23 PM
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lobuxracer
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Originally Posted by Sgt_K
460...
You're about 212 hp short of an F. It does affect mileage just a bit.
Old 07-10-09, 06:28 PM
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ISFer
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On the hwy at the speed limit I can get 30 mpg's (imperial gallon) ......multiply that by 16.5 gallons tank and I get almost 500 miles, so realisticly about 450 miles safely so as not to drain the tank.

Playing around in town is a different story....probably closer to 200-250 miles.

C.
Old 07-10-09, 06:56 PM
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The IS-F holds 14.0 imperial gallons, 16.9 US gallons, 64 litres. Even theoretically, 500 mile range is not possible.


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