Originally Posted by
gasax
The fuel consumption of a Toyota 'Pious' is easily exceeded by comparable diesel cars.
Diesel fuel has greater specific energy and burns at higher compression ratio, thus it it naturally more efficient per liter.
As a Prius owner, the fuel comsumption is actually slightly better than a comparable diesel car.
However comparing to a diesel car is comparing apples to oranges. A Prius with a diesel engine would widely outperform comparable diesel cars.