The UK has a handful of major car auction platforms, and the best one for you depends on whether you're after a clean retail car, trade resale stock, or a cheap repairable project. Here's the plain-English guide to the main players and who each one suits.
The big trade auctions
BCA and Manheim are the two largest, handling huge volumes of fleet, lease and dealer part-exchange stock both in the lane and online. Aston Barclay is the other significant national name. These are the heart of the wholesale market — ordinary, well-described cars in volume. Historically trade-focused, they have increasingly opened up online access.
Salvage and damaged stock
Copart and similar salvage platforms sell insurance write-offs and damaged cars. The prices are the lowest you'll find anywhere — but these are for buyers who can assess and repair damage, not for someone after a ready-to-drive car.
Online marketplaces and specialists
eBay Motors remains the biggest open marketplace for ordinary buyers, and there are specialist sites for classics and enthusiast cars, plus ex-government, ex-police and ex-MoD sales for those who like an unusual route in.
So which is best?
For a clean car to drive or resell, the big trade auctions win on quality and volume. For a project, salvage wins on price. But on every one of these sites the same truth holds: good cars and traps sell side by side. The platform gets you into the room — it can't tell you which car is worth buying.
Picking the site is the easy 10%. Knowing which lot to bid on, and what it's truly worth, is the other 90%.
The takeaway
Match the platform to your goal, then put your real effort into valuing the car. If you'd rather have that part done for you — across all the sites at once — that's exactly what we do. New to this? Start with whether the public can buy at car auctions.