Prius Wins Japan’s Fuel-Efficiency Rankings for 6th Year (Except It Doesn’t Really) …

Posted by Stephen On Saturday, March 31st, 2012

Japan’s Ministry of Land, Infrastructure and Transport announced Friday that Toyota’s Prius had won the latest 2011-12 fuel-efficiency rankings, handing a 6th straight victory for the Prius.

Nine of the top 10 regular passenger cars (kei cars are not included in this ranking) were hybrids — the exception being Mazda’s Demio with its Skyactive tech.

Position Maker Model KM/L in JC08 Mode) KM/L in 10/15 Mode Transmission Car Type
1 Toyota Prius 32.6 38.0 CVT Hybrid
2 Lexus CT200h 30.4 34.0 CVT Hybrid
3 Honda Insight 27.2 31.0 CVT Hybrid
4 Toyota Prius α 26.2 31.0 CVT Hybrid
4 Honda Fit 26.0 30.0 CVT Hybrid
6 Honda Fit Shuttle 26.0 30.0 CVT Hybrid
7 Mazda Demio 25.0 30.0 CVT ICE
8 Toyota Camry 23.4 26.5 CVT Hybrid
9 Honda Insight Exclusive 23.2 26.5 CVT Hybrid
10 Honda CR-Z 22.8 25.0 CVT Hybrid

But wait a minute. There’s something fishy going on… A surprising omission here is the Toyota Aqua (Prius C outside Japan) which should surely have made the list with its fuel consumption figures.

In fact, the Aqua would have topped the list with its economy figures outstripping the Prius at 35.4 KM/L in JC08 mode. The Ministry of Land, Infrastructure and Transport states that vehicles had to be on sale in the 2011 calendar year, and the Aqua did just that — scraping in right at the end by going on sale on December 26th.

So perhaps this isn’t really the 6th straight win for the Prius at all? Following the Ministry of Land, Infrastructure and Transport’s own rules, I hereby pronounce the real winner as the Toyota Aqua.

Toyota Aqua beats Prius in real Japan fuel-efficiency rankings

So the Prius loses its crown in my reckoning. But Toyota shouldn’t waste too many tears over it: Add the Aqua to the mix, and you have Toyota products filling out all top-three spaces.

Sources: Ministry of Land, Infrastructure and Transport , Car Watch, Toyota Aqua site (all Japanese-language)

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One Response to “Prius Wins Japan’s Fuel-Efficiency Rankings for 6th Year (Except It Doesn’t Really) …”

  1. Carsmetics says:

    Thanks for posting this list. My daughter has been wanting a new car for graduation, and we have been buying Japanese since the beginning. Now I know which one is most fuel efficient, though I’m not a fan of their visual design.

    So long as my daughter loves it, and the cost of gas won’t cripple her (or us), I can’t say too much against that funny little car.

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