The 2021 Mercedes-AMG GT 63 S 4-door coupe is now the fastest luxury four-door vehicle to lap the Nürburgring. It unseated the Porsche Panamera Turbo S by recording a blistering time of 7:27.800. The fascinating part is Mercedes-AMG did it with a bone-stock GT 63 S, although the car ran with Michelin Pilot Sport Cup 2 tires and the aero package body kit, both of which are optional from the showroom.
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https://www.slashgear.com/the-2021-mercedes-amg-gt-63-s-has-set-a-new-nurburgring-lap-record-11646759/