"According to Toyota, the fuel efficiency of its Aqua subcompact hybrid car will be about 35 kilometers per liter of gasoline. The Toyota Prius can travel 32.6 kilometers per liter... It is expected to cost about 1.6 million yen to 1.7 million yen."
Source:New Toyota hybrid 'most fuel-efficient'
The Yomiuri Shimbun
Nov. 16, 2011