What is the best driver's car you can buy in Britain today? We took 11 mighty machines to Castle Combe for a feature-length showdown What is the best driver’s car you can buy in Britain in 2017? To find out, Autocar took the finest performance cars on the market today to Castle Combe for our 29th annual handling day . The Wiltshire circuit is fast and fearsome, and at times soaking wet weather added substantially to the challenge. But Matt Prior, Dan Prosser and Mauro Calo shrugged off the conditions to put the contenders through their paces in this huge mega-test. Join us as we drive, assess and slide the living daylights out of the Alfa Romeo Giulia Quadrifoglio , Aston Martin DB11 V8 , BMW M4 CS , Caterham Seven 420R Donington Edition , Honda Civic Type-R , McLaren 720S , Mercedes-AMG E63 S Estate , Mercedes-AMG GT-R and Porsche 911 GT3 , to find out which is the most enjoyable of the lot. Read more on Britain's Best Driver's Car 2017 Britain's Best Driver...