The K50 Super Index: a new-for-2025 metric of market performance.
K500: Using data collected since 1994, over 25,000 individual auction results chart the progress of 500 collectible cars.
K500525.034
K50: The cars that best reflect collecting tastes over the last 31 years – models ranging from the AC Cobra 289 to the Toyota 2000 GT.
K501406.84
Recent Stories
Wednesday 11th March 2026
Making sense of the 2026 Florida auctions
The figures are in. It seems a long time ago in Miami when auctioneer Malcolm Barber hammered an antique American LaFrance fire appliance sold for $26,000. Since then, nearly 400 cars have crossed the block generating over $250m in combined sales ...
View
Monday 9th March 2026
The 2026 Amelia Concours in pictures
For all the buzz around the auctions, let’s not forget the main event that started the whole spring car season in northern Florida: the Amelia Island Concours, now known simply as ‘The Amelia’. Top prizes this year went to Bill Lyon’s 1931...
View
Sunday 8th March 2026
Broad Arrow closes out 2026 Florida auctions with $107m+ two-day sale
That’s it for this year’s classic car auctions in Florida. Broad Arrow sold nine out of 10 cars offered yesterday afternoon and, when the dust has settled, will post a record-breaking gross (with undisclosed post-sales) approaching $110m. All ...
View
The Index
Graph showing sector performance with index points View all the figures
| 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 900 | 1000 | 1100 | 1200 |
