Can an old, clapped out £250 Jaguar XJS beat a host of supercars in a drag race? Its chances are dramatically improved if you strap a couple of canisters of nitrous oxide to the engine! Subscribe to see all the reviews, races and challenges: http://bit.ly/zx9OQI Top Gear Facebook: http://www.facebook.com/topgear Top Gear Twitter: http://twitter.com/BBC_topgear Click for more Top Gear videos featuring Jaguars: http://bit.ly/JRi72u