Sherlock and Star Trek: Into Darkness star Benedict Cumberbatch takes to the Top Gear track to set a lap time in the reasonably priced Vauxhall Astra.
Film director Ron Howard explains his strategies for setting a lap time around the Top Gear track. Will F1 legend Niki Laudas advice be useful? Subscribe to see .
Legendary Areosmith front man Steve Tyler is the Star in the Reasonably Priced Car. How many puns can Dalton fit in? Subscribe to see all the reviews, .
Dalton and the TopGear.com team chat to Formula 1 driver Mark Webber about his lap around the test track and if hes learned anything from The Stig.