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Toyota Prius MPG-Real World Numbers

767 messages,  Last post on Sep 28, 2009 at 9:21 AM

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What is this discussion about? Toyota Prius, Hybrid Cars, Fuel Efficiency (MPG), Sedan


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#675 of 767
Re: cold weather effect on mileage? [explorerx4] by kdhspyder
Feb 04, 2009 (5:15 pm)
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Replying to: explorerx4 (Jan 31, 2009 2:18 pm)

Typically the drop is about 10% during winter. That would be from a 45-50 mpg range on average to 40-45 mpg during the deep cold.
 
There is plenty of data and evidence available from really cold parts like Colo, Minn and Alberta. Sites such as PriusChat have responders from all over the world.
 
Less than 40 mpg is next to impossible - except if the vehicle is driven only 10 miles or less each way and not driven at any other time in the depths of deepest winter. Short trips are the single worst negative effect on fuel economy....for all vehicles. It's just that before the Prius with it's MFD nobody had a graphical and numerical presentation of fuel economy in a vehicle. Almost everybody's prior 'data' was anecdotal at best. 'I got 36 mpg on this trip I took.....'
 
It is possible to cut fuel economy in half but external conditions have to be so bad that just getting around is difficult. Combine ice, packed snow, strong winds, bitter temps, winter gas and short trips. Then 30 mpg might be a valid number iso 48 mpg. But under the same external conditions vehicles that 'normally' got 30 mpg are likely to be in the 18 mpg range. All due to external conditions.
#676 of 767
Just got prius and can't break 40mpg by Tagit
Feb 17, 2009 (5:16 pm)
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I just got a 2009 Prius. Great car, but I can't break 39.9 mpg. I've had it about 4 weeks, 1000 miles. I drive about 40 mins to work with 15 mins highway and the rest local roads. Do I have any hope of increasing mileage? I'm so depressed.
#677 of 767
Re: Just got prius and can't break 40mpg [Tagit] by prius2007
Feb 17, 2009 (5:38 pm)
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Replying to: Tagit (Feb 17, 2009 5:16 pm)

Hi Tagit,
 
1. What was your MPG on your previous car?
2. How many cars will give you 40MPG?
 
I bet 40 looks much better now. Your MPG will improve with:
1. once the car (and driver) is broken in > 5K miles
2. warmer weather
 
You may want to read this:
link title
 
Be patient,
Gabe
#678 of 767
Re: Just got prius and can't break 40mpg [Tagit] by jana6
Feb 17, 2009 (10:22 pm)
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Replying to: Tagit (Feb 17, 2009 5:16 pm)

I had a lot of trouble getting the mileage I wanted when I first got my Prius in 2007. Now I pay even closer attention to the Energy monitor and try to see 99.9 as much as possible. I take advantage of any little hill and coast and glide as much as possible. It is amazing how, if you lift your foot just a smidgen off the gas peddle, you will still go the same speed but the gas mileage goes up a LOT! What I have noticed is if I don't pay attention to how I am driving and concentrate on all the above as much as possible, my gas mileage drops significantly. Gabe has also given me a lot of hints in the past as well as some others and putting all the ideas into practice have definitely improved my gas mileage.
 
Good luck.
#679 of 767
Re: Just got prius and can't break 40mpg [Tagit] by cdhc
Feb 18, 2009 (5:53 pm)
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Replying to: Tagit (Feb 17, 2009 5:16 pm)

Hi, I have a 2008, and have gotten my average up to 57MPG. You may have heard some of these already, but here are my tips.
Raise your tire air pressure to 40 on all the tires
Do not drive over 57 MPH as a general rule. Use the cruise control to help.
As much as possible, coast, and apply light pressure on the brake pedal.
Put yourself in a mindset that allows you to be taught a new way of driving. With the interactive display on the screen, the car will teach you how to drive it, if you will allow it to do so.
#680 of 767
Re: Just got prius and can't break 40mpg [cdhc] by prius2007
Feb 21, 2009 (6:38 am)
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Replying to: cdhc (Feb 18, 2009 5:53 pm)

The front tires should be 2 PSI higher than the rear tires to compansate for the extra weight of the car in the front (check owner's manual).
Gabe
#681 of 767
Re: Just got prius and can't break 40mpg [jana6] by prius2007
Feb 21, 2009 (6:42 am)
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Replying to: jana6 (Feb 17, 2009 10:22 pm)

Hi Jana6,
 
Glad the tips helped and you're getting better MPG. Thanks for the acknowledgement.
 
Keep up the good MPGs:)
Gabe
#682 of 767
Re: Just got prius and can't break 40mpg [prius2007] by jana6
Feb 22, 2009 (12:00 pm)
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Replying to: prius2007 (Feb 21, 2009 6:42 am)

You are most welcome. I really appreciated all your advice.
 
There was also a link to a great website "way back when" (within the past year I think) that went over a lot too. If someone could find that link again and post it for the new Prius owners, it should help them get a better picture of what needs to be done and why.
 
I'm content with the 48-50 mpg I now experience even though it could be better. I've decided to trade better gas mileage than that with getting places faster (I go over 57 mph a lot!).
 
Have a great one!
#683 of 767
Re: cold weather effect on mileage? [kdhspyder] by temsley
Mar 28, 2009 (4:54 am)
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Replying to: kdhspyder (Feb 04, 2009 5:15 pm)

I have a question about cold weather driving. Would it make sense to start my car in the driveway for 5 minutes before driving off in the winter so that I am driving it warm or would that waste more gas than it is worth? Thanks!
#684 of 767
Re: cold weather effect on mileage? [temsley] by dmathews3
Mar 28, 2009 (7:18 am)
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Replying to: temsley (Mar 28, 2009 4:54 am)

I have a remote start on my car and yes it will waste gas but to me the little it wastes is worth the warm feeling, the clear windows and a more responsive engine is well worth it. Just from a safety stand point having the defrost clear the windows is worth the pennies in gas used.

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