A quality car wash is essential for anyone who cares about their motor. Using household cleaners can lead to paint problems, and besides, why bother with washing up liquid when you can spruce up your car for a few pence with a tailor-made shampoo?

There was little to choose between them for cleaning, so we looked for a wash that beaded water, leaving less work for the leather. We also worked out the price for 20 washes, because the amount used per bucket varied wildly.