Alfa Giulia Quadrifoglio vs BMW M3 Comp Pack vs Mercedes AMG C63 S: race to 150mph

Watch our newest films before they re on YouTube: In the first part of our supersaloon group test, we find out whether the Alfa Romeo Giulia Quadrifoglio, facelifted BMW M3 Competition Pack or MercedesAMG C63 S is quickest in a straight line to 150mph. Over to our Road Test Editor Vicky Parrott Follow us: Subscribe to the DRIVETRIBE YouTube channel: