SUBSCRIBE for more great car videos: http://aex.ae/2gY9ABE
Audi RS 6 Avant review: http://aex.ae/2To52cw
BMW M5 Competition review: http://aex.ae/39xhEoK

It's a battle of sedan vs wagon, as the ultimate hot four door takes on the greatest of all fast estates. Both have twin-turbo V8s, both have four-wheel drive, but which is fastest around a track? Steve Sutcliffe heads to Llandow to find out. 

More Auto Express videos
Car reviews playlist: http://aex.ae/2gY4ViX

More on AutoExpress.co.uk
Top 10 best executive cars: http://aex.ae/2eDiPbf
Top 10 best performance cars: http://aex.ae/25P2yTm

Follow us
Twitter: https://twitter.com/AutoExpress
Facebook: https://www.facebook.com/AutoExpress
Instagram: https://www.instagram.com/autoexpressmagazine