BMW 4 Series Makes Mild-Hybrid Mainstream

Paul Myles

TU-Editor

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3rd June 2020

BMW has unveiled it new 4 Series clearly pointing the way for its future powertrain focus with mild hybrid featuring in all its M Sport performance models.

In fact, the launch range’s most powerful model raises a few eyebrows in that its a diesel. This M440d xDrive, due in the showrooms March 2021, boasts 336bhp and 516ft-lbs of torque, claiming a 0-62mph sprint time of 4.7 seconds and an electronically limited top speed of 155mph. At the same time boasting a fuel economy of more than 42mpg (35mpg US) and CO2 emissions of 158g/km.

All diesel options and the six-cylinder gasoline engine in the performance range will mild-hybrid technology starting with the ‘entry level’ 420i M Sport with 180bhp and 221ft-lbs of torque, enough to sprint to 62mph in 7.5 seconds on the way to a top speed of 149mph. Its economy sees up to 53.3mpg (44.3mpg US) and CO2 as low as 122g/km.

The automaker says mild-hybrid technology will form part of the offering in the all-new BMW 4 Series Coupé models. The production model is very close to the concept first shown at last year’s Frankfurt Motor Show featuring an controversial angled and oversize double kidney front grille. It will be built at BMW Plant Dingolfing in Germany, with its worldwide launch commencing in October 2020.

Only some performance model prices have been released so far starting with the 420i M Sport at £39,870 ($49,000) including taxes.

— Paul Myles is a seasoned automotive journalist based in London. Follow him on Twitter @Paulmyles_