Season 19 sees Jeremy Clarkson, Richard Hammond and James May use the Aston Martin Vanquish, SRT Viper and Lexus LFA for an American road trip that takes in Las Vegas and Los Angeles before ending with a run to the Mexican border. The trio also create a car designed for old people, carry out one of Top Gear's thorough road tests on the new Kia Cee'd and race a Shelby Mustang GT500 against a train.
