#18 Ineos Grenadier * New BMW M3 * Porsche Cayenne GTS driven * Secrets of Haynes manuals

This week, Vicki Butler-Henderson, Steve Fowler and Sean Carson talk to Haynes Publishing boss Jeremy Yates-Round about his unexpected best sellers, the museum and the publisher’s future plans. The Ineos Grenadier, a new take on the Land Rover Defender formula, is put under the spotlight, and the new BMW M3 is dissected. John McIlroy drives the new Porsche Cayenne GTS, and Hugo Griffiths answers more of your burning questions.