You’re about to find out that there’s a lot of money to be made from used cars – especially if you’ve got a Ferrari 250 GT California Spider stashed away in your garage.

We’ve taken a look at the 20 most expensive cars ever to be sold at auction and, if nothing else, it highlights the fact that Ferrari is the world’s most desirable brand because 14 cars on the all-time list sport the famous Prancing Horse emblem.

With money in banks earning next to no interest, it’s clear that many enthusiasts have decided to invest in classic cars instead and all the gems in our Top 20 have changed hands since 2013 – a golden era in the world of high-end automotive auctions. (Currency exchange conversions: October 2, 2018).