REAL MPG:
BMW M3 (2014 on) 3.0 CS
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Submit your Real MPG
33.2
Official MPG
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Real MPG
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Real MPG Average
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of official MPG
More engines available for this model:
| Engine | Official MPG | Real MPG Avg. | Real MPG % | |
| 3.0 | 31.0–32.1 mpg | 28.2 mpg | 89% |  |
| 3.0 Competition Pack | 32.1 mpg | 21.5 mpg | 67% | |
| 3.0 Competition Pack DCT | 34.0 mpg | 21.7 mpg | 64% | |
| 3.0 DCT | 34.0 mpg | 24.3 mpg | 72% | |
Our Fuel Cost Calculator shows you which will be the best choice for you.
Compare the running costs of petrol, diesel and electric cars to make the right choice for you.
Read the Honest John review...
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BMW M3 (2014 on)
Twin turbo 3.0-litre straight six engine with 430PS. More powerful, quicker yet more economical than before. Impressively forgiving ride. Phenomenal grip in the dry.
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Rivals
| BMW M3 (2014 on) | 24.3 | avg mpg |
| Alfa Romeo Giulia (2016 on) | 36.9 | avg mpg |
| Audi RS4 Avant (2018 on) | 32.9 | avg mpg |
| Jaguar F-Type Coupe (2014 on) | 29.6 | avg mpg |
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![2016 BMW M3 M3 4dr DCT [Competition Pack]](http://images.honestjohn.co.uk/imagecache/url/crop/90x60/https/images.heycar.co.uk/vehicles/pictures/73e615e8328bf7e6e6ebd0ed65816f76/0a7db05b7b463ca3b193251549250242.jpg)
