The M4 is motivated by a twin-turbocharged 3.0-liter inline-six that comes in two potencies. The standard version makes 473 horsepower and 406 lb-ft of torque. It pairs with rear-wheel drive and a six-speed manual transmission. The Competition model generates 503 horsepower and 479 lb-ft, but the lone transmission choice is an eight-speed automatic. While the M4 Comp will initially only be offered with rear-wheel drive, BMW will eventually offer a rear-biased all-wheel-drive system. Every M4 comes with adaptive dampers, adjustable brake-pedal feel, and an electronically controlled exhaust system that gets louder in Sport and Sport Plus drive modes. The loudness can also be turned down at any time by pushing the M Sound button. The regular M4 rides on 18-inch front wheels and 19-inchers in the back while the M4 Competition rolls on a staggered set of 19s in front and 20s in back. Both models also feature a carbon-fiber roof that reduces their center of gravity and they can be equipped with a set of carbon-ceramic brakes. Unfortunately, we still have to wait awhile until we can get behind the wheel to discuss their driving acumen.
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