Audi A4 vs Mercedes-Benz C-class vs BMW 3-series comparison video Follow us on 16th Jun 2018 11:18 am The age-old battle of the three German luxury brands continues with the new Audi A4 35 TDI, the Mercedes-Benz C 250d and BMW's 320d. Which will emerge victorious this time? Castrol AD The age-old battle of the three German luxury brands continues, this time, with the new Audi A4 35 TDI, as it takes on the Mercedes-Benz C 250d and the BMW 320d. Which one will emerge victorious this time around? We put them in the ring to find out. Copyright (c) Autocar India. All rights reserved. Tell us what you think. Please enable JavaScript to view the comments powered by Disqus.