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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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#697 of 767 Re: 2010 PRIUS MPG [vanderhorstg] by cheryl06prius Jul 28, 2009 (11:00 am)
Replying to: vanderhorstg (Jul 27, 2009 12:07 pm) My 2006 Prius had 73,000 miles and in order to get a reasonable trade in value, I traded. I probably didn't get the maximum trade allowance, at least using Edmunds stats, but I'm hoping the 2010 :Prius will carry me for at least 3 years; hopefully by then a better MPG version will be available.   What is disappointing is the 2010 Prius 11 didn't come with the backup camera. My 2006(second lowest package) had the camera. All said, I believe the improved MPG on the 2010 Prius, will justify the trade. It is easy to get addicted to such options as the back up camera. Replies to this message: butchfoote (Aug 03, 2009 4:25 pm)
#698 of 767 Wow!! by dewey Jul 28, 2009 (5:53 pm)
I had my 2010 Prius for two weeks and I am averaging about 43 MPG with feather footed driving.   I dont know what planet other forum members live on but their numbers to me look outworldly . Apparenty their planet has little friction or gravitation.   57 MPG? Over 60 MPG? WOW!!!   I hope to accomplish their numbers sometime soon. I salute those people who actually do get those figures. But in all honesty I dont know how to do that without getting killed in a road rage incident by some disgruntled car driver behind me who happens to be in a rush. Traffic conditions here in downtown Toronto are quite hectic. Replies to this message: john1701a (Jul 29, 2009 1:34 am) prius2007 (Jul 29, 2009 12:08 pm) cheryl06prius (Jul 30, 2009 5:26 am)
#699 of 767 Re: Wow!! [dewey] by john1701a Jul 29, 2009 (1:34 am)
Replying to: dewey (Jul 28, 2009 5:53 pm) New owners tend to fight the system, doing exactly the opposite of what they should.   JUST DRIVE IT is counter-intuitive. How could that actually work? Well, it does. Once you overcome break-in and learn to go with the flow, MPG should climb into the 50's overall. My mixed driving is upper 50's now.   The new ECO-METER helps with the understanding. You can see energy the consumption rate, even when the engine is stopped and the power flow is only electricity.
#700 of 767 Re: Wow!! [dewey] by prius2007 Jul 29, 2009 (12:08 pm)
Replying to: dewey (Jul 28, 2009 5:53 pm) Hi dewey,   What is your driving profile? Distance of your trips; city vs HWY %; roads you take downtown; tire pressure, etc.   Just to let you know what is possible; my life time MPG is 60.5 (US gallons).
#701 of 767 Thanks! by dewey Jul 29, 2009 (7:34 pm)
John and Prius2007,   I am about to go on vacation for a week (it is my vacation policy to avoid browsing the web) and I look forward to giving you both information about my driving and asking suggestions on getting that fantastic mileage that I seek.   Take care.
#702 of 767 Re: Wow!! [dewey] by cheryl06prius Jul 30, 2009 (5:26 am)
Replying to: dewey (Jul 28, 2009 5:53 pm) In fairness traffic is far more congested in the Toronto Metro area than in the Buffalo area, but if I could list two techniques which I believe are essential for long term FE they are: 1) try to anticipate when the traffic light ahead of you is going to change and try coasting, anything so you don't have to accelerate from a full stop. I see many vehicles speed past me at 50mph knowing that the light 1/8 mile ahead is red, while I just coast at 30mph or so, 2) when you do accelerate do so lightly   That said there is always the risk of road rage, whether its because you have a Prius or you are just driving too slow to suit the other driver ,I don't know which is more prevalent. I've come to grips with the matter and I'm not about to drive 10-15mph over the speed limit, just to "go with the flow', and placate someone whose chief source of gratification is going faster the driver ahead of him.   Sorry Dewey, i'm not up on my metrics.
#703 of 767 effect on open windows on FE by cheryl06prius Aug 02, 2009 (6:42 am)
It is pretty well established that A/C use lowers FE, and for that reason I rarely use it, preferring to drive with the drivers window down. I've heard reports that doing so also lowers FE, but never have seen any exact specific figures. Anyone care to opine on this? Replies to this message: dmathews3 (Aug 02, 2009 9:04 am) vanderhorstg (Aug 04, 2009 7:29 am) tyler70 (Aug 05, 2009 8:21 pm) and 2 more...
#704 of 767 Re: effect on open windows on FE [cheryl06prius] by dmathews3 Aug 02, 2009 (9:04 am)
Replying to: cheryl06prius (Aug 02, 2009 6:42 am) Everything I have read is lower mpg at highway speeds and no difference in town. As cars become more and more streamlined this may not be the case as much. My guess would be to put down the drivers window with someone or something in the back like a heliem ballon on a short string in the backseat and if it gets bounced around than I would think the wind coming in would be enough to also effect the mpg. Personally I wear a hearing aid in my left ear so the wind noise is unbearable for me at any speeds over about 20 plus I like the piece and quiet with the windows up and the air on. Sometimes we tend to go overboard in our quest for that extra tenth of a mile per gallon and then have to go home and spend twice as much to heat the hot water for a shower and end up spending more to save a penny. Replies to this message: vanderhorstg (Aug 04, 2009 7:29 am) tyler70 (Aug 05, 2009 8:21 pm) vanderhorstg (Aug 06, 2009 9:04 am) and 1 more...
#705 of 767 How to get better MPG by mocha22 Aug 03, 2009 (8:28 am)
2010 is our first prius so we are still learning how to use the panels to help us drive more efficiently.   We have 204 miles and are averaging 44mpg. We live in San Diego so weather is always good (no cold weather issues). The prius is my commuter car. I drive 15 miles each way and I've been noticing that I get 60 or 70mpg on the way to work (mostly downhill) and 40-45 mpg on the way back (mostly uphill). Is the difference normal? Are there any techniques to improve my uphill mpg?
#706 of 767 Re: 2010 PRIUS MPG [cheryl06prius] by butchfoote Aug 03, 2009 (4:25 pm)
Replying to: cheryl06prius (Jul 28, 2009 11:00 am) You can justify the trades easily if you invert Mpg to gpm's. Most people compare mpg's which is not effective in making calculations for savings.   Instead use gallons per 1000 miles. For example, 40 mpg is 25 gallons per 1000 miles. 50 mpg is 20 gallons per 1000 miles. Savings 5 gallons per 1000 miles. If you drive 12,000 miles per year, you save 60 gallons of gas. 60 gallons times $2.50 here in Boston works out to a whopping $150 dollars savings per year, or $450 over 3 years.   Trading in an older Prius for a 2010, costs a lot more than you will save in 3, 5, or even 7 years. Buy a new Prius for some one in your family. Keep the old one until it drops.   The greenest cars are the Prius's already on the highway, because the materials and energy to build them have already been consumed.

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