When it comes to luxury saloons, BMW's 7 Series has long been regarded as 'the ultimate driving machine', as the slogan goes. Can the all-new 2018 Audi A8 knock it off top spot as the best driver's car in the class? Matt Prior and Dan Prosser take the luxo-barges to one of Autocar's favourite Welsh B-roads to find out. Subscribe now: http://smarturl.it/autoca

New videos are uploaded to Autocar each week. Don't miss a single one. Subscribe now: http://smarturl.it/autocar

Watch next:
- Drag race: M5 vs Panamera vs E63 S:    • Drag race: BMW M5 v Mercedes-AMG E63 ...  
- BMW M5 vs Mercedes E63 S:    • 2018 BMW M5 vs Mercedes-AMG E63 S | S...  


Visit our website at http://www.autocar.co.uk

Autocar, the world's leading motoring magazine and website, delivers industry-leading news, the most in-depth car reviews and opinion from our team of experts. Our presenters include some of the world's top motoring journalists who have unrivalled access to the world's fastest, rarest, most exotic and most exciting cars on some of the world's best roads and race tracks.

Follow AUTOCAR here:
LIKE Autocar on Facebook: https://goo.gl/mWG2I5
FOLLOW Autocar on Twitter: https://goo.gl/DSAnav
FOLLOW Autocar on Instagram: https://goo.gl/N2Id68
+1 Autocar on Google+: https://goo.gl/h6UHVu

Check out our full video catalog: https://goo.gl/xHxfRA

For car reviews you can trust, subscribe to Autocar: http://smarturl.it/autocar