Quote:
Originally Posted by swamp2
+1.
The new M3/4 WILL indeed have significantly better fuel efficiency than the current model. It also WILL have significantly less CO2 output (basically the same thing as mpg). It will also have much better than 14-16 mpg city. The closest example for reference is the I6 turbo in the 1M. That gets 19/26. The new M will be a bit heavier but will also likely have an 8 speed transmission where 8th gear will very likely be an overdrive type of gear. I actually expect better fuel efficiency than the 1M simply due to all of the engine redesigns and improved component efficiency, new/improved VANOS, improved direct injection, etc. My prediction is that both first digits of the city/highway mpg will actually be 2's. If babied on cruise control I'd be willing to bet the car will be capable of 30 mpg.
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Maybe it'll have better mpg than the E36 M3 as well.