Some data: on our CleanMPG cross-country drive back in March, we saw these kinds of numbers:
2007 Honda Civic iCDTi Diesel .... 60.43 mpg / 3.89 L/100km
2005 Honda Civic Hybrid (gen1) . 59.29 mpg / 3.97 L/100km
2007 Toyota Prius Hybrid .......... 56.50 mpg / 4.16 L/100km
2008 Honda Civic Hybrid (gen2) . 56.04 mpg / 4.2 L/100km
That was all highway driving, New York through Chicago to San Francisco. Note that the Civic iCDTi has a big 2.2L diesel. The smaller TDI engine would likely do better. The Prius has proven its worth in city driving many times.
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11-mile commute: 100 mpg - - - Tank: 90.2 mpg / 1191 miles
Last edited by PaleMelanesian; 09-25-2008 at 10:22 AM..
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