Series 4
Series 4 stands for:
- Scania Series 4 (truck) , Scania brand truck model
- Scania series 4 (bus) , bus model of the Scania brand
Series IV stands for:
- Clénet Series IV , car model from Clénet Coachworks
- Excalibur Series IV , model car manufactured by Excalibur Automobile Corporation
