Atko is back at the track! This time he's igniting tyres on the 2021 BMW M4 Competition and the 2021 Mercedes-AMG C63 S to figure out which is quicker and why.<br /><br />Unlike some track tests where it just comes down to a lap time, former World Rally Championship driver Chris Atkinson gives us the lowdown on how the cars drive and why they perform the way they do. <br /><br />Lap time leaderboard: https://www.carexpert.com.au/lap-times/?utm_source=youtube&utm_medium=review&utm_term=&utm_content=&utm_campaign=other-video<br /><br />More BMW content: https://www.carexpert.com.au/bmw<br />More BMW M4 content: https://www.carexpert.com.au/bmw/m4<br />More Mercedes-Benz content: https://www.carexpert.com.au/mercedes-benz<br />More Mercedes-AMG C63 S content: https://www.carexpert.com.au/mercedes-amg/c<br /><br />Skip Ahead:<br />Intro: 00:00<br />C63 S Impressions: 00:36<br />C63 S Hot lap: 06:15<br />M4 Comp Impressions: 06:15<br />M4 Comp Hot lap: 07:28<br />Result and verdict: 14:44<br /><br />We review every new car on the market, bust car myths, cover the latest car tech and answer your burning questions.<br /><br />Whether you need new car advice, purchase validation or simply love learning more about new cars and technology, we are your car experts.<br /><br />Subscribe to Car Expert: https://www.youtube.com/channel/UC7DvMhvy3H7ntEgn9n3xQcQ?sub_confirmation=1<br /><br />You'll find us dropping new video content three times a week. If you'd like to ask a question about one of our videos, simply leave us a comment. If you'd like to give us any feedback on our content, feel free to email us, or alternatively, hit us up on social media.<br /><br />Finally, we want this channel to grow with your support and feedback. If there's anything you don't like or would like to see us change, we'd love to hear from you!<br /><br />Follow us on social media to see what we're up to and to ask any questions!<br /><br />CarExpert:<br />Facebook: https://www.facebook.com/CarExpertAus<br />Twitter: https://www.twitter.com/CarExpertAus<br />Instagram: https://www.instagram.com/carexpert.com.au<br /><br />Paul Maric:<br />Facebook: https://www.facebook.com/PaulMaric<br />Twitter: https://www.twitter.com/PaulMaric<br />Instagram: https://www.instagram.com/PaulMaric<br /><br />#bmw #mercedes #m4 #c63 #review #track