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Hybrid Vehicles Toyota Prius Toyota Prius MPG-Real World Numbers
767 messages, Last post on Sep 28, 2009 at 9:21 AM
You are in the Toyota Prius Forum. Your Host is pf_flyer
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Replying to: cheryl06prius (May 04, 2008 4:45 am) Of course, no offense is intended and none should be taken. This is just an advice. |
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Replying to: rolin (Apr 27, 2008 3:48 am) Lately (over last 1500 KM ) my 2006 Prius has achieved 54.5 mpg with once weekly driving between collingwood and niagara (140 miles) Breakdown: 60% country roads (50 mi/hr) 40% 6 lane highways (60 mi/hr) Also suggest you might want to look at the folllowing guide to how to drive a Prius: http://www.hybridcars.com/gas-saving-tips/maximizing-mileage-toyota-prius.html Also, I've learned that if the tank is totally filled (careful as it can shoot out if you don't stop as soon as you begin to hear the "gurgling") I get 120 miles before the first indicator bar disappears. Mike
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Replying to: mlaurenc (May 04, 2008 3:33 pm) Linda |
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A number of points were raised above. Oh, I've been involved with selling them since they first arrived in 2000. My own is a 2005 with 75000 mi now. First about filling the tank. Go to Priuschat.com and search for the sticky on 'topping off'. Don't. You risk a whole lot of trouble. Essentially when the pump shuts off just end it right there. Don't worry about individual tankfuls. It's of no issue. I liken this to when I used to tell my wife that by the time the kids were ready for college none would suck their thumbs and they'd all be housebroken. It's fun to see how you're doing tank by tank but look at it in the long run. As one noted above, you will average 48 mpg for the life of your vehicle. There are tens of thousands of Prius drivers doing just that day after day after day. Don't worry about the individual tank fillings. Just use a spreadsheet or use the database at GreenHybrid.com and enter your miles driven and gallons pumped and you'll have the best and most accurate summary. The MFD display is a good 'indicator' that;s all. In the end after owning the vehicle for 8 years and driving 135000 miles if you added up all the fuel you had used you'd come to this value......48 mpg!
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Replying to: v7sport73 (Apr 26, 2008 10:59 am) There are two other 'break in' periods where you'll find that your engine is more efficient, one at 5K and another at 10K. Both are very small differences. |
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Replying to: katerhiner (May 02, 2008 6:56 am) Don't worry about the FE. In the end it will be 48 mpg...with one caveat. If you only use the vehicle for short trips of 15 min or less then you will lose about 10% from the 'norm'. This is true for all vehicles on the road. It's just more obvious in a Prius. |
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Replying to: johndjr (May 02, 2008 5:52 pm) |
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Replying to: kdhspyder (May 04, 2008 10:09 pm) Obviously you are very knowledgeable on Prius issues. Just two questions: a) assuming no gas spills, what are the adverse results of "topping" the tank, that is the extra 1-1.5 gallons after the shutoff engages? b)is the trip fuel gauge for the Prius inherently flawed, or are the discrepancies due to bladder issues, i.e. an elapsed reading of 57MPG,manual calculation of 50MPG?
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Replying to: cheryl06prius (May 05, 2008 10:05 am) Thanks |
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Replying to: cheryl06prius (May 05, 2008 10:05 am) Keeping stats is not "obssessive-compulsive" it helps in learning and forming an opinion. Personally for me it only takes less than a minute to log it every two weeks. Being educated about the car helps to give answers to questions like the ones you posted. a) other than the problem with gas spills you may also damage the charcoal filter and bladder by overfilling the prius. This can be an expensive replacement in case it happens (do a search on the subject at www.priuschat.com). If you for whatever reason overfill drive the car some distance to use up the overfill rather than parking it. An extended period of the overfill condition will increase the chance of the damage to your charcoal filter system etc. b) Most people call the Prius gas gauge as "guess gauge". Most gas gauges tend to be not very accurate and serve as a guide only. With the Prius the added complexity is the bladder as you pointed it out. It expands/contract with age and fluctuations in temperature. These factors result in the difference between MPG calculated and displayed on the MFD. Tank to tank variations can be significant but long term they should be pretty close. Also some pumps shut-off earlier than others and the rate of speed you're filling up also effects how much you're able to put in the tank. Hope this helps and enjoy your Prius. Just drive it!  Gabe
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