5
votes
Where is extra fuel consumption in RWD and AWD cars dissipated?
The short, easy answer: heat.
That energy is being converted to heat in the driveline components for various reasons. It's important to note that these numbers are aggregates, however, and a really ...
- 2,704
4
votes
Where is extra fuel consumption in RWD and AWD cars dissipated?
Your premise is wrong. The main reasons FWD cars are more commonplace today are:
easier assembly: the entire drivetrain goes into the chassis as one complete assembly.
unibody construction: FWD cars ...
- 12.2k
4
votes
Where is extra fuel consumption in RWD and AWD cars dissipated?
There is no fundamental reason for RWD to be less fuel efficient than FWD. There are many advantages to FWD, fuel efficiency is not a driver.
Most rear drive cars these days are sport(y) , ...
- 318
3
votes
Where is extra fuel consumption in RWD and AWD cars dissipated?
It's difficult to reach a conclusive answer, but you're on the right track with the extra mass of a RWD transmission - the propeller shaft taking power to the rear wheels adds some considerable weight....
- 630
1
vote
Rear wheel alignment on rear-wheel-drive vehicle
Rear wheels can be put out of alignment by hitting kerbs etc.
Fitting hub bearings, either semi, 3/4, or fully floating types does not affect the alignment, but collapsed bearings will - however ...
- 34.7k
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