It’s all smoke, but thankfully no fire, in the case of the Mercedes-Benz SL63 AMG and Jaguar XKR-S Convertible. The two force-fed V8 convertibles do battle for the best time at the Bedford Autodrome in the hands of EVO’s Jethro Bovingdon. With 395 kW / 800 Nm and 375 kW / 461 Nm respectively, these two flagship drop-tops are brutes to drive and brutally quick.
