Standard Type

1. lower, center and upper level: cars and estate cars ≤ height 1,50 m
   e.g. Audi Avant

Comfort Type

1. lower, center and upper level: cars and vans ≤ height 1,70 m
   e.g. Mercedes A-Class

If more than just a single unit for 3 cars is planned, double units for 6 cars are more economical and require less overall width than 2 single systems.