http://www.RoadTestTV.com Drag Race between a 2019 BMW M5 Competition Package and a 2016 Porsche 991 Turbo (non S). The M5 is powered by 4.4 Liter Twin Turbo V8 motor which makes 621 horsepower and 553 lb/ft of torque when stock. However, the M5 has a JB4 Piggy Back Tune and a modified stock airbox which should increase the HP of the M5 to approx. 700 HP.
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