2021 BMW M4 (Competition) vs 2015 BMW M4
Comparison Visual Driving on Track, Exterior & Interior Design
The engines powering the new high-performance models set a new high point in terms of output and torque for six-cylinder in-line petrol units from BMW. The advances made as the outgoing generation hands over to the new are striking. The power unit in the Competition models raises the maximum output of its counterpart in the predecessor models by 44 kW/60 hp and betters its peak torque by 100 Nm (74 lb-ft).
The new straight-six engines combine the hallmark high-revving character of BMW M GmbH engines with the latest version of M TwinPower Turbo technology. The 3.0-litre unit impresses in both output grades with its instantaneous power delivery and appetite for revs, which it sustains without interruption into the higher reaches of the engine speed range. Together, these attributes carve out the unmistakable profile - dominated by linear power delivery - that has marked out the performance experience in BMW M models since their arrival on the scene. The new straight six provides the basis for the ultra-powerful heartbeat in the new BMW M4 GT3 endurance racer.
The variant of the engine in the new BMW M3 Sedan and new BMW M4 Coupé serves up peak torque of 550 Nm (405 lb-ft) all the way from 2,650 to 6,130 rpm. Its maximum output of 353 kW/480 hp is available at 6,250 rpm. The unit fitted in the Competition models likewise maintains peak torque across a wide rev band, with 650 Nm (479 lb-ft) on tap between 2,750 and 5,500 rpm. Maximum output of 375 kW/510 hp is developed at 6,250 rpm, with the engine's red line arriving at 7,200 rpm.
The engines' performance skillset ensures the driver experiences imposing acceleration out on the road. And their figures on paper are equally as stunning. The new BMW M3 Sedan and new BMW M4 Coupé require just 4.2 seconds to power from 0 to 100 km/h (62 mph). 0 to 200 km/h (124 mph) takes 13.7 seconds, and the midrange surge from 80 to 120 km/h (50 - 75 mph) is signed and sealed in 4.1 seconds (in 4th gear) or 5.6 seconds (in 5th gear). The Competition models each accelerate from 0 to 100 km/h (62 mph) in 3.9 seconds and from 0 to 200 km/h (124 mph) in 12.5 seconds, and sprint from 80 to 120 km/h (50 - 75 mph) in 2.6 seconds (in 4th gear) or 3.4 seconds (in 5th gear). The top speed of all model variants is electronically limited to 250 km/h (155 mph), rising to 290 km/h (180 mph) if the optional M Driver's Package is specified.
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