Have you often wondered about how far you can go in an electric car? In this latest episode, Bryan puts the Audi e-Tron 55 Quattro Sportback through a real-world range test by lapping the M25 around London. Can this luxury EV SUV get close to what Audi say it should do? This test wasn't conducted under laboratory conditions, but on a cold day in November using a real-world scenario. Can we get close to the WLTP figure of 237 miles? Watch and find out......