Four-door high-performance coupé based on the AMG GT 63 For over 35 years, the brand G-POWER has been synonymous with firstclass performance tuning that catapults any basic vehicle into unknown realms of power and performance. For many years, the focus was on the M top models from BMW, but G-POWER has long since widened its gaze to become a specialist in AMG optimizations as well. This made obvious sense, firstly because AMG operates in the same sector as M GmbH, and secondly because G-POWER’s corporate headquarters in Bavaria is not only very close to Munich, but also a stone’s throw away from Affalterbach. On top of that, many proud owners of BMWs given the GPOWER treatment also had AMG models parked next to them in their garages, and thus wanted to have these overhauled by their favorite tuners too. The G-POWER power upgrade is available for numerous AMG 63 models, which house ferocious four-liter M177 Biturbo V8 engines beneath their front hoods. Take the AMG GT 63 4-door coupé, f
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