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The BMW M3 and M4 will be officially unveiled at the Detroit Motor Show in January and will go on sale in June with prices starting at £56,175 for the M3 saloon and £56,635 for the M4 coupe.
BMW’s decision to introduce the 4 Series name to the coupe version of the 3 Series means that both models where different badges but they are essentially the same once you get under the hood.
Both of the new models will be powered by a turbocharged engine which is a first for the M3. The new six-cylinder engine will produce 425bhp which is 11bhp more than the M3’s existing 4.0-litre V8 engine.
The new M4 is around 80kg lighter than the current model, and weight is kept down in both the M3 and M4 by the front wings and bonnet which are made of aluminium and white carbon-fibre-reinforced plastic (CFRP) which is used for the roof and driveshaft.
Both 3 Series and 4 Series models sport a series of bodywork changes as well as a range of features aimed at reducing aerodynamic drag and improving downforce speed. Inside the cabins, standard equipment includes Adaptive M suspension, 19 inch alloy wheels, front and rear parking sensors and heated and electrically adjustable front seats.
Performance and fuel consumption figures are identical for M3 and M4 models and the 0-62mph time for both is 4.3seconds with a manual gearbox and 4.1seconds with the M DCT transmission. EU Combined fuel economy is 32.1mpg and both emit 204g/km of CO2.