Though horsepower may never be the same with the electrification of the auto industry, BMW has made some truly powerful ...

The S63 and the N63 are 4.4-liter V8 engines made by BMW and installed into its vehicles. While these two V8 engines have several similarities, they also have significant differences. Let's start ...

An inherently balanced engine such as the I6 ... That's why BMW used this angle for the N63 twin-turbo V8 from which the M-specific S63 was developed. The S63 is currently used by the M8 exclusively.

Based on the BMW 750Li long wheelbase ... and those rear wheels are designed to steer slightly for better cornering performance. Moving on to the S63, the same engine delivers a massive 450kW/900Nm.

Are you looking to buy a car but can't decide between a BMW 128TI or Mercedes-AMG S63? Use our side by side comparison to help you make a decision. We compare design, practicality, price, features, ...