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#21 (permalink) Old 12-02-2012, 08:26 AM
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Originally Posted by marleyfan61 View Post
However you shouldn't have to baby a car to get close to the stated mileage. I drive my car. I don't drive it hard and I don't feather the pedal either.
so if you want to get stated fuel economy, simply follow the test standard. And believe me - they do not just drive the car. They try to squeeze out every km from the gas...

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Originally Posted by marleyfan61 View Post
I was getting 8 - 9 L/100km combined (but mostly city) when new, and now am regularly getting 10 - 11 L/100km. My driving style HASN'T CHANGED. Same driver, same car, same conditions, worsening mileage.
How about getting colder? Isn't it a factor?

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#22 (permalink) Old 12-02-2012, 09:07 AM
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to Marley - to also add to PLP's comments, check out the EPA test standard and note the time frame/distance and the average speed for "city" and "highway", also its tested at sea level and 100% gasoline and inside a building.



also an interesting link

Here's Why Real-World MPG Doesn't Match EPA Ratings - Edmunds.com
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#23 (permalink) Old 12-02-2012, 09:36 AM
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Originally Posted by PLP View Post


How about getting colder? Isn't it a factor?
Yes you're right. But the temp here hasn't been colder than about 10C (50F). That shouldn't account for 2+ L/100km difference. I suppose winter gas could play a part too (assuming the formula has changed here) but I tried a couple of tanks of pure gas and my mileage actually was worse.

I'm due for my first service so I'll tell the shop my concerns and see what they say. At some point you have to acknowledge that there MAY be an issue with the car and not simply blame the driver. These cars aren't perfect.

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#24 (permalink) Old 12-02-2012, 11:34 AM
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conwelpic,
thanks for the input.

However, how is the fuel use calculated from it? Highway/city - which one would i be? A mix of them? If so, what proportion?

marleyfan61
the fuel use is greatly dependent on temperature. On cold start your engine at idle will drink about 1.5-2.2 L/hr. When at operating temperature - it drops to 0.6-0.7. If you drive A/T, the use of fuel goes up when stopped (in Drive) by another 25-40%.
Those are my findings from Rondo. On winter I could even read 3.0 l/hr shortly after I started and in Drive.

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#25 (permalink) Old 12-04-2012, 02:38 PM
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Originally Posted by PLP View Post
conwelpic,
thanks for the input.

However, how is the fuel use calculated from it? Highway/city - which one would i be? A mix of them? If so, what proportion?

marleyfan61
the fuel use is greatly dependent on temperature. On cold start your engine at idle will drink about 1.5-2.2 L/hr. When at operating temperature - it drops to 0.6-0.7. If you drive A/T, the use of fuel goes up when stopped (in Drive) by another 25-40%.
Those are my findings from Rondo. On winter I could even read 3.0 l/hr shortly after I started and in Drive.
With ISG I get 0.0 L/hr at idle

Last edited by ELI 10; 12-04-2012 at 03:35 PM.
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#26 (permalink) Old 12-04-2012, 08:58 PM
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Originally Posted by ELI 10 View Post
With ISG I get 0.0 L/hr at idle
Are you sure?
If I am not mistaken ISG is deactivated when engine is cold... am I right? Therefore, when the savings would be the greatest ISG does not help.

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#27 (permalink) Old 12-05-2012, 01:20 PM
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Currently have 6,100 miles on the car.

Last tank I got 24.6mpg (US), with the trip computer saying 27.3, and Eco mode on. Currently I'm at 31.3 on the trip computer with Eco mode off. I've suspected it for a while, but I'm wondering if Eco mode kills fuel efficiency in my area. I love the car, but the fuel efficiency is really making me want to trade it in. My driving contains a lot of stop lights and typical Northern Virginia traffic.

The best I've gotten though was coming back from Canada and driving through the Scranton, PA, area, I got 44mpg because I got to coast down the mountains.
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#28 (permalink) Old 12-05-2012, 06:44 PM
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Quote:
Originally Posted by Blash80 View Post
I love the car, but the fuel efficiency is really making me want to trade it in.
You know what, rent a car you think would work better for you and see what you will get.

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Originally Posted by Blash80 View Post
My driving contains a lot of stop lights and typical Northern Virginia traffic.
So what do you expect? Get hybrid to reach 40+, but only if you use electric motor most of the time, meaning gentle on gas...

Folks, you surprise me.
Stop and go and you expect to reach 30+ MPG US. Will not happen. Period.

Try to drive with no more than 2.5k rpm, slow down using engine braking, anticipate traffic.

Binary driving system is wrong.
Binary means either idle or WOT.

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#29 (permalink) Old 12-05-2012, 06:55 PM
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Yup.. could not of said it better my self..
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#30 (permalink) Old 12-06-2012, 08:10 AM
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I didn't expect 30 when I bought it, but more around 28. Every other car I've owned I've gotten around the EPA rating +/- 2. Like I said, I love the car, and it's really fun to drive. It's just a bit frustrating getting significantly lower mpg even when I really make sure I hold to more gas friendly driving, considering fuel efficiency was my deciding factor between multiple cars.
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