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Old 09-01-2006, 10:52 AM   #1 (permalink)
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Default 63 MPG PRIUS?

While driving to work this morning I passed a Prius with "63 mpg" painted on its rear window (the tiny one). Is that for real? I drove the New Prius on I-95 and despite my best efforts, all I got out of it was 50. (versus 60 in a civic hybrid)

Maybe the guy does lot of city driving.
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Old 09-01-2006, 12:43 PM   #2 (permalink)
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Well, I'm sure it's possible with some extreme hyper-miling techniques. However, nobody who drives "normally" will get that mileage in a Prius.
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Old 09-01-2006, 01:36 PM   #3 (permalink)
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The Prius II (2004 & later) is capable of some very high mpg figures. I didn't use to believe it, until I tried one myself. Generally, a Prius owner who airs up the tires, slows down a bit, and just uses some basic monentum & common techniques, can average 60-72 mpg in combined city/hwy driving. With "extreme" hypermiler methods such as P&G and letting off the gas gently at 41 mph (to kind of shut everything down) , 90-100 mpg is possible. At our hybridfest event on July 22, 3 different Prius owners pegged it at 99.9 mpg over a 20 mile country road course. (on the same course, my Insight got over 150 mpg)
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Old 09-01-2006, 04:46 PM   #4 (permalink)
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We have both an Insight and a Prius II. On the same commute, the Prius gets just over 50 mpg while the Insight gets mid 60's. The thing I notice about the Prius is that at lower speeds, the mileage doesn't really increase as much as it does on the Insight. Sometimes, it's still getting 50-60 mpg at 30-35 mph. The Insight would be getting well over 100.
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Old 09-01-2006, 08:00 PM   #5 (permalink)
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I have a Prius 2 and managed 62mpg on the 230 miles from Irvington, VA to Wilmington, DE in mid June. I had the cruise engaged, and set the speed at the speed limit. No special techniques other than that. I drive my Insight to work 44 miles RT with about 75% on I-95 between Wilmington and Philly, and work hard to average close to 70mpg (oversize Nokian tires cost me some mpg but dramatically improve ride and handling). I enjoy my Insight, but the Prius is a nice ride that makes it easier than the Insight for the average driver to get pretty good mileage IMHO.
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Old 09-02-2006, 09:09 AM   #6 (permalink)
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Your oversized Nokians could easily be "costing" -10% or more in MPG. (but you already knew that). See:

Tire Comparison Test
http://www.insightcentral.net/forum/vie ... 38&start=0

Simply posted as a reply for other readers attempting to compair these MPG differences.

HTH!
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Old 09-08-2006, 06:48 AM   #7 (permalink)
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Quote:
Originally Posted by rmnelson
I have a Prius 2 and managed 62mpg on the 230 miles from Irvington, VA to Wilmington, DE in mid June.
Wow.

Maybe I should be looking at a New Prius instead of an insight, to replace my gas guzzler. (Although used priuses don't come cheap.)
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Old 09-22-2006, 10:35 AM   #8 (permalink)
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Default Re: 63 MPG PRIUS?

[quote="ElectricTroy"]
... a Prius with "63 mpg" painted on its rear window ...
[end quote]

Don't have a big enough window on the "Silver Bullet" to post the MPG the little rascal is getting! :-)

As for the Prius model, saw one on "silly vision" the other day which the owner claims is getting 100 MPG - but the owner has modified it significantly!

The vehicle is predominately an electric car now (as opposed to ICE powered unit) with the gasoline engine for the most part now acting as a charging unit. Too bad it's made of steel sheet and not aluminum like the Insight. The later will last a lot longer (body wise) than the Prius vehicles but like them has an equal or better potential to be converted to the same extent; i.e., main power/propulsion from an electric motor, with a very small MG set (diesel?) for on-board charging when parked or when on the road.

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Old 09-27-2006, 06:34 AM   #9 (permalink)
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Default Re: 63 MPG PRIUS?

Quote:
Originally Posted by Fred
Don't have a big enough window on the "Silver Bullet" to post the MPG the little rascal is getting! As for the Prius model, saw one on "silly vision" the other day which the owner claims is getting 100 MPG - but the owner has modified it significantly!
That's because he cheats. He's adding energy to the car (electrical), but failing to measure how much he put in..... that gives a pseudo-reading of 100 MPG, but is inaccurate. ----- If he included the gasoline-equivalent cost of the electricity he's adding to the car, he would get a more accurate 50 miles per gallon-equivalent.

As for your 'silver bullet', you have room. I pasted an "80 MPG!" sticker on the bottom rear window of my insight.
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Old 09-27-2006, 05:10 PM   #10 (permalink)
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Quote:
Originally Posted by kapps
We have both an Insight and a Prius II. On the same commute, the Prius gets just over 50 mpg while the Insight gets mid 60's.
Sounds like you are comparing a 5 speed Insight to a CVT Prius. Try comparing a CVT Insight to the Prius and you find the Prius, while bigger, gets the same or better mileage.
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