2014 BMW M3 saloon and M4 coupe revealed with 425bhp

BMW has unveiled the new M3 saloon and M4 Coupe(successor to the M3 Coupe) ahead of their public debut at next month’s Detroit Auto Show.

The M3 is now in its fifth-generation and for the first time the Coupé and Saloon models receive individual model names, in deference to the different model series that provide their basis.

A new 3.0-litre six-cylinder in-line engine with M TwinPower Turbo technology is also first, replacing the naturally aspirated V8.

This new twin-turbo 3.0-litre petrol engine delivers 425bhp and 550Nm of torque in both new M cars

Compared to the outgoing models, the new M3 and M4 are both over 80kg lighter, thanks to extensive use of lightweight materials. Both models now come with carbon-fibre reinforced plastic roof. New roof is up to 6kg lighter and also lowers the vehicle’s centre of gravity, improving driving dynamics.

Other remarkable weight saving comes with the standard six-speed manual gearbox with new throttle blipping function, which is more compact and 12kg lighter than its predecessor.

The new M4 Coupe with manual transmission weighs 1,497kg and while the specs for saloon were not released we expect it to have a very similar weight as the performance specs for both models are identical.

Both cars go from 0-62 mph in 4.3 seconds with the manual and 4.1 seconds with the optional 7-speed M DCT. Top speed is electronically limited to 155mph and average fuel economy is 34mpg.

The front end on both cars is very similar while the rear boasts a different look. The BMW M3 Saloon is fitted with a lip spoiler to reduce lift, while the tailgate of the BMW M4 Coupé features an integrated carbon fibre rear spoiler.

Pricing details will be announced closer to market launch.

PRESS RELEASE (click to expand)


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