IS350 hwy mpg confirmed (29.2mpg)

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05-30-06, 08:10 AM

#16

caymandive

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Quote:

Originally Posted by TimboIS

Unfortunately what the display says and what you actually get are two different things. Don't be fooled.

Yeah I know it's not 100% accurate, but it sure is close enough. I mean 300 miles on the 1st half a tank is pretty good. Now that I'm back to urban driving again I have a feeling I'll only be able to get about 150 miles out of the second half of the tank. Sure the heck is close to what my Hybrid Accord got and is TONS better than my old EVO VIII. The EVO I was luck to ever get 250 miles on a full tank of gas driving on the hwy!

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05-30-06, 08:29 AM

#17

al503

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Quote:

Originally Posted by TimboIS

Unfortunately what the display says and what you actually get are two different things. Don't be fooled.

Very true. The only way to be absolutely sure is to do the math on a calculator after filling it up successively on the same pump.

Mine is actually very accurate. ~85%-15% Hwy/City gets me 25.8 on the trip computer and 25.4 the old-fashioned way.

I'll be one tickled futhermucker if I can get ~27 or more after the car is fully broken in.

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05-30-06, 09:25 AM

#18

4TehNguyen

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Quote:

Originally Posted by caymandive

Then again I think Corvettes get even more mpg on the hwy with 400+hp

but they are gonna get half of that in the city

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05-30-06, 04:40 PM

#19

Airwolf

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My '99 Vette gets 25mpg on the highway averaging 90+ MPH

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05-31-06, 01:05 AM

#20

Sexi_Lexi

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Quote:

Originally Posted by mcfly

By the way, I'd be more interested to see what that figure is at around 75-80mph. I don't know where you live, but during my commute, if you're not doing at least 75mph, you're getting overtaken by everyone and their mother.

EDIT: doh. I see "VA" in your sig... whereabouts?

Around 75-80, your mpg will plummet to about 23-25 mpg. I drove for about 20 miles once at 60-65 mph and I got 30.3. It really helps with gas mileage to lighten up on the lead foot!