The key players

RM Sotheby's is the largest specialist classic car auction house globally, with major sales at Monterey, New York, London, and Paris. Gooding and Company handles the most important cars at the Pebble Beach and Scottsdale sales. Barrett-Jackson runs the highest-volume American collector car auctions. Hagerty is the dominant specialist insurer and has become one of the most important sources of valuation data through its Price Guide

Bring a Trailer has transformed the online sales market, particularly for sub-hundred-thousand-dollar cars, with a transparent bidding process and strong community commentary. Major owners clubs for Porsche, Ferrari, Aston Martin, and other significant marques are essential resources for history, parts, technical knowledge, and finding cars before they reach the open market.

CollectorGrade take

The Bring a Trailer comments section on any significant listing is a real-time seminar from people who know what they are looking at. Read it before you bid on anything.