Artifacts included within automobilia may be highly varied in nature, ranging from those linked with motoring in a general sense (e.g. an in-car tool kit) to those intrinsically linked with a specific vehicle or event (e.g. the steering wheel from a particular Formula One car, used during a notable Grand Prix race).
[2] In addition, at the upper end of the market, major auction houses such as Bonhams regularly hold specialist automobilia sales.
[3][4] Most collectors limit themselves to an isolated area of automobilia, commonly linked by a unifying theme.
[5] Examples of popular automobilia collection themes could include items connected to an individual, such as a motor racing driver, or objects of a specific type, such as radiator mascots.
[4] Art, models, books, toys, flags and clothing, while not directly linked with a vehicle, may also be termed automobilia if they have a motoring theme.