The International Motor Show Cars (IAA) is the world's most comprehensive show of the automotive industry for everybody who develops, manufactures or uses passenger cars. A special feature is the large presence of suppliers throughout the whole automotive value added chain. Around 400 exhibitors from the supply industry are presenting their products.

The IAA shows a unique broad range of the automotive industry:

- Passenger cars
- Special motor vehicles
- Motor vehicles with two or three wheels
- E-Mobility & Car IT
- Parts and accessories
- Trailers
- Model cars
- Products used for operation, care, maintenance and repair of motor vehicles
- Professional literature and periodicals
- Organizations and corporations related to road motor vehicle engineering, motor vehicle traffic, transportation business
- Protective clothing
- Tuning
- Telematics
- Services
- Test drives
- Special shows and Specialist Events