Designing a workshop can be tricky, especially when you're wanting to show as much detail as possible. These DWG files can help, no matter what you're designing. This CAD file in DWG format has 3x Volkswagen vehicles in plan view, 1:1 in millimetres for true automotive perfection, seperated with spec sheets of additional information per vehicle.
Vehicle list:
2012 Volkswagen Beetle
2011 Volkswagen Passat
2012 Volkswagen up!