Quote:
Originally Posted by mpg_numbers_guy
Japan also overestimates the fuel economy of most cars versus the EPA test since speeds are usually lower in Japan than the US.
The combined 28.6 km/l for the 2.0L is about 67 mpg US. I would be surprised if the real world numbers in the US were higher than around 54 mpg. 32.6 for the 1.8L / 28.6 for the 2.0L with 54 mpg US shows that the 1.8L gets about 13% better fuel economy than the 2.0L. If the 2.0L has 54 MPG real world average in the US, that's still 61 mpg for the 1.8L which is pretty impressive. We'll have to keep an eye out on Fuelly to see what the actual real world numbers are though.
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Real world numbers with Toyota hybrids are usually higher than epa also. My ex had a Corolla hybrid and it was rated at like 51 city or something and she easily got low 60s average when driving around town. Also got much higher highway than what the epa also said. Meanwhile with Hyundai hybrids, you have to hypermile and have perfect conditions to even get close to the epa.
Hopefully the guy at CLEANMPG forums can do a steady state highway test with the new Prius. That’s what I’m mostly interested in
Also Toyota said that even though the drag coefficient of the new Prius is slightly higher than the last model, the TOTAL drag is actually the exact same due to reduced frontal area.