Last week, BMWBLOG headed to Road America to track the new 2015 BMW M3 and BMW M4 Coupe.

Our review will be coming up shortly but in the mean time, we wanted to bring you an impressive photo gallery from the event. In display there were a series of different M3 and M4 models, ranging from the Yas Marina Blue ones to Austin Yellow, Alpine White, Mineral Grey and Sakhir Orange.

The M3 Sedan and M4 Coupe/Convertible come with a variety of well known colors as well as two ones ones: Yas Marina Blue Metallic and Austin Yellow Metallic. The other exterior colors for the M3 and M4 are: Alpine White, Mineral Grey Metallic, Sakhir Orange, Melbourne Red, Black Sapphire Metallic, Silverstone Metallic and Mineral White Metallic.

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The M3 and M4 are powered by the S55 3.0 liter inline-six TwinPower engine producing 425 horsepower and 406 lb-ft of torque. The power is sent to the rear-wheels via a six-speed or an optional 7-speed M DCT transmission.

Stay tuned for the test drive report!