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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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Any of you Prius owners seeing a mileage hit due to ethanol-blended fuels? A lot of folks in the The Inconvenient Truth About Ethanol discussion are reporting 7-10% mileage reductions vs regular gas. I assume this would also affect hybrids but might tend to be a bit muted because of the hybrid system.
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Replying to: pf_flyer (Nov 19, 2008 6:02 pm) My data clearly shows a decline in MPG during winter. How much of it is due to E10 vs the cold I don't know. Spring Summer Fall Winter 2007 50.4 59 57.5 55.3 2008 62.4 64.5 63.1 change 23.8% 9.3% 9.7% Gabe
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Replying to: prius2007 (Nov 19, 2008 6:13 pm)
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Replying to: pf_flyer (Nov 19, 2008 6:17 pm)
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Replying to: pf_flyer (Nov 19, 2008 6:02 pm) |
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Replying to: prius2007 (Nov 19, 2008 6:24 pm) Just spoke with a friend who owns a pair of Prius and although he's not a fanatical mileage tracker like I am, he's saying that he's seeing at least a 5% drop off since ethanol crept into our area of the state. He's not happy about that either. |
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I have a 08 prius and was getting 48.6 MPG now that it has gotten cold the MPG has drpopped to 42. I drive about 8 miles to work each day. The tem is in low 30's and high 20's. Is this common. 
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Replying to: oldcoach (Nov 20, 2008 10:35 am) 
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Replying to: pf_flyer (Nov 19, 2008 6:02 pm) |
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Replying to: oldcoach (Nov 20, 2008 10:35 am) Here is a post I made here 2 yrs ago on the Camry Hybrid forum. It applies to the Prius obviously but it also applies to all vehicles equally... quote: Now that winter is fully here you might want to take into consideration some of the following factors which can often be outside your control entirely. These generally act to decrease your fuel economy. But, hey, it's the same for every vehicle on the road as well. For some it's even worse. Factors affecting your FE ( and everyone else's also, btw ) in decending order of importance... 1) Towing anything is a huge penalty possibly as much as a 50% reduction in FE 2) Lots of weight in the vehicle, passengers cargo etc. ( EPA tests are done empty ) deduct up to 20% from your 'Norm' 3) Short trips under 10 min - deduct 20% from your 'Norm' 4) Snow, Rain, sleet - deduct 15% 5) Strong head wind - deduct 10% 6) Cold weather - deduct 5 - 10% 7) High speed driving 0ver 70 mph - deduct 5 - 10% 8) Many starts from a dead stop ( going from stop sign to stop sign to stop sign ) - deduct 5 - 10% 9) Terrain - fortunately 'what goes up..' usually this balances out on a RT 10) Winter fuel - deduct 2 - 5% 11) Low tire pressure - ? How low Now these are cumulative, so short trips with a lot of stops ( -20% ) in winter ( -7% ) on slick pavement ( -15% ) can result in as much as a 40 - 50% loss from your personal 'Norm'. The bright side of this is that your 'Norm' is higher than most others at 39 mpg ( 48 mpg Prius ). If your Norm was only 26 mpg for example you might expect to get 13-15 mpg. unquote |
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