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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
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Greetings to all. I just purchased an '08 Prius, with the #5 package, which was how the car was appointed. Like many of you here, I could not rationalize filling my 2003 Pathfinder with gas to the tune of more than $350.00 per month, just to drive mainly to work. I finally saw the light as it were, and am a very happy owner of this new way of thinking about driving! I love the car, and the navigation screen, blue-tooth feature, etc. All I need now, is free time to learn it all! My question is this. The dealership filled the tank prior to me receiving the car. I have only driven a total of 18 miles so far. Yesterday I noticed, that one of the bars on the gas indicator is gone, which obviously indicates that this gas has been used. I am concerned about this, as I can't imagine getting the mileage that you are supposed to get. Also, the consumption screen shows a changing MPG such as 18.5, 22.7, 40.8, 33.4, as I am driving. I am a bit confused by this and want to know how many mpg I can expect to get driving the correct way, and how do I calculate how many actual mpg I get. I hope these questions are not dumb ones, as I find the consumption screen a little confusing and am hopeful that someone on these threads might have an answer for me. I would be most grateful. Also, the book refers to "Type A" and "Type B". what is that? Thanks again |
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Replying to: rolin (Apr 27, 2008 3:48 am) |
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Replying to: rolin (Apr 27, 2008 3:48 am) The way to calculate your real mpg is to set the odometer to 0 when you refuel. Then, next time you go get more gas, divide the # of miles you've driven - say, 423.9 miles - by the # of gallons you've just purchased - say, 9.8 gallons. That would be 423.9 / 9.8 = 43.25 mpg. As for consumption vs. the other screen (can't remember what it's called right now) - one screen shows you what you're getting at any particular moment, and yeah, it'll go way down when you're accelerating hard or going up a hill. The other screen shows you your average over the past x miles (you have to reset it yourself, and it'll tell you how many miles you've gone since the reset). Hope that helps.
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For what it is worth my FE stats for the first 3 months of 2008, with my '06 Prius, is 50.8MPG over 5227 miles. This is in Western NY and reflects the windy and cold winter conditions, 75% level, about 50/50 city/highway split. My advice to Prius drivers attempting to calculate FE: develop a system of filling the tank to the same exact level, and not relying on the elapsed FE gauge. This takes great patience and it is very slow, don't attempt it when the gas pump line is busy. If you live in NJ where there is no self-service, you're out of luck. My elapsed gauge fluctuates a great deal. One fill up it will show 57MPG and manually it calculates to 50MPG, the next fill up it will be 50MPG both ways. It will take many fill ups to establish an accurate FE figure. Don't rely on two or three fill ups. That said it is still a great car and I plan to purchase an '09. I just wish the bladder factor didn't make it so difficult filling the tank.
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Replying to: cheryl06prius (May 02, 2008 7:56 am) The difference I have between the computer mpg and my calculated mpg is that the cal. comes out about 10% less than the computer has. Still, 46-48 mpg cal. isn't bad. |
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Replying to: johndjr (May 02, 2008 5:52 pm) |
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Replying to: johndjr (May 02, 2008 5:52 pm)
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Replying to: carbot (May 03, 2008 9:46 am) I'm not concerned about the mileage for each tankful because I realize the bladder issue distorts the calculation. My main concern is knowing the same exact level for each fill up so that after l0,20 or more you can make an accurate calculation. I'd rather take another 2-3 minutes flling the tank and having the extended driving range in addition to the "exact level" constant.
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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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