Spiralling Classics, Legacy and Applause, Allan McNish Top Gear : Season 13 Episode 6

Spring not only brings the flowers, but also the caravans from their winter hibernation. This week William Woollard looks at the new season's touring- and motor-caravans, and examines a new, safer towing hitch. Diesel cars have increased in popularity over the past few years, but are they a good investment? Sue Baker goes into the pros and cons, and tests a selection of diesels currently on the market.