Four-time IndyCar champion and three-time Indy 500 winner Dario Franchitti is the special guest on this week’s Auto Express podcast. He reveals to hosts Vicki Butler-Henderson, Sean Carson and John McIlroy the highlights of his impressive career, and what it’s like to help develop the Gordon Murray T.50 supercar. The team dissect the new BMW iX, next Nissan Qashqai and MINI’s Urbanaut concept, plus more of your motoring questions are answered.