Collector-car auction data sources
Old Cars Data normalizes collector-car auction data from major enthusiast and collector platforms into one API and MCP server, including completed auction results, live listings, bid trails, vehicle details, and market statistics where available.
Direct answer
Old Cars Data normalizes collector-car auction data from major enthusiast and collector platforms into one API and MCP server, preserving source context and source URLs where available.
Provenance: each normalized record preserves source-platform context and source URLs where available across 19 sources. Dataset freshness: August 3, 2026.
Covered sources
Platforms we normalize
Coverage and field completeness vary by source because auction platforms publish different information.
- Bring a TrailerCompleted sales, live listings, bid trails, vehicle detailsComparable sales, live monitoring, bid behavior
- Cars & BidsCompleted sales, live listings, bid trails, vehicle detailsModern enthusiast comps, live monitoring, bid behavior
- HemmingsCompleted results, live listings, bid trails, vehicle detailsClassic-car comps, marketplace monitoring, bid behavior
- AutoHunterCompleted sales, live listings, bid trails, vehicle detailsClassic and enthusiast comps, live monitoring, bid behavior
- HagertyCompleted results, live listings, bid trails, vehicle detailsMarket research, live monitoring, bid behavior
- PCAR MarketCompleted sales, live listings, bid trails, vehicle detailsPorsche comps, live monitoring, bid behavior
- All Collector CarsCompleted results, live listings, bid trails, vehicle detailsBroader collector-market coverage and bid behavior
- Gooding & CoCompleted results, live listings, vehicle detailsConcours research, premium-market monitoring
- RM Sotheby'sCompleted results, live listings, vehicle detailsPremium collector-car results and live monitoring
- Barrett-JacksonCompleted auction results and vehicle detailsCollector-car comps and historical auction research
- Sotheby's MotorsportCompleted sales, live listings, bid trails, vehicle detailsPremium comps, live monitoring, bid behavior
- Car & ClassicCompleted results, live listings, vehicle detailsEuropean classic-car comps and live monitoring
- The MarketCompleted results, live listings, vehicle detailsUK and European collector-car market research
- Broad ArrowCompleted auction results and vehicle detailsPremium collector-car comps and event research
- MB MarketCompleted results, live listings, vehicle detailsMercedes-Benz comps and live monitoring
- Mecum AuctionsCompleted results, live listings, vehicle detailsCollector-car comps, event research, and live monitoring
- PistonHeadsCompleted results, live listings, vehicle detailsUK enthusiast-car comps and live monitoring
- Collecting CarsCompleted auction results and vehicle detailsGlobal enthusiast and collector-car comps
- BonhamsCompleted auction results where availablePremium collector-car results and historical context
Normalized fields
What lands in the schema
- 01
Make, model, year, title, VIN, mileage, body style, transmission, drivetrain, engine, and colors where available.
- 02
Auction status, sale price, bid count, source platform, source URL, auction dates, and location fields.
- 03
Condition-oriented listing text including modifications, known flaws, service history, and ownership notes where available.
- 04
Live auction fields such as current price, bid count, ending time, and polling filters for supported sources.
- 05
Bid-history fields such as amount, bidder, bid time, and pagination where supported.
Source caveats
Coverage varies by platform
Coverage and field completeness vary by source because auction platforms publish different information. Old Cars Data normalizes the fields that are available and preserves source URLs so teams can audit records when needed.
Old Cars Data is not affiliated with, sponsored by, or endorsed by the platforms listed on this page. Company names and trademarks belong to their respective owners.
Methodology
How we normalize and expose these records
See how completed sales, live listings, and bid trails are mapped into consistent REST and MCP interfaces.