Quote:
Originally Posted by Mblock66
It has to do with the drivetrain loss in RWD as compared to FWD. It is easier to get the power from a front engine car to the front wheels of that car. There is less driveshaft and other parts for the power to get to the wheels. I mean we are talking a really small amount here so I would agree it might be like 1 mpg that a fwd car could use more efficiently then a rwd.
It would be interetsing to see if a rear (mid) engine car with rwd came out the same as a fwd front engine car.
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I believed typically RWD components, on the whole, add more weight. In addition, there are more components and any time you have power going through gears you have parasitic loss. It's my understanding FWD trannys can combine and integrate the differential, ring gear and such together with the transmission, which overall, makes it a little more efficient. I think it's mostly less weight though.
