Toyota Revises EPA Figures for 2010 Prius: Better City, Lower Highway Ratings

By John O'Dell March 9, 2009

2010-Toyota-Prius-Hi-Res.jpg Seems to be a day for fixing things !

Toyota has just issued a notice informing us that the 2010 Prius mileage figures the company's been reporting are wrong.

Not by much, though, and the hybrid's 50-miles-a-gallon overall rating remains the same.

But instead of the originally reported 50 mpg in the city and 49 mpg on the highway for the new Prius, due to hit showrooms in late May and early June, the new and official numbers are 51 miles a gallon in the city and 48 on the highway.

Even the carmakers that live and die by the vehicles' fuel economy ratings can have trouble understanding the formulae the regulators use!

A Toyota spokeswoman said the Prius mileage rating error was caused by a "misinterpretation of the preliminary data."

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brn says: 1:30 PM, 03.09.09

"misinterpretation of the preliminary data."

I'm curious about that. I would think that EPA numbers are EPA numbers.

greenpony says: 5:16 PM, 03.09.09

+/- 2% is pretty good IMO. That's like revising the federal debt from 10 trillion to 10.2 trillion. A drop in the bucket.

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