For as much success as BMW has seen as a German auto manufacturer or otherwise, not every vehicle has been a massive hit with its audience.

6-cylinder engines are solid, tuneable, and sound sweet - they can also produce astonishing power outputs - like this monster ...

Like BMW, Audi switched from six-cylinder power ... By default, the RS4’s diff sends 60% of the car’s torque to the rear axle, though even more can be sent that way if the conditions call ...

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