Managing Design, NPD's, Modeling in CAD's in Templates, would be great to save the design time, money, man-efforts with accuracy and precised work.

1) By using some templates.
2) By using Multi Seed parts in TC Environment (One seed part can be basic seed part, and another seed part may have technical data like Hard Points for chassis, welding points for BIW, 3 Annotations, material specs and many more)
3) By creating Libraries which will have basic Models, basic sketches etc etc..
4) Critical designs like Cylinder blocks, cylinder heads, Intake and exhaust ports location for different capacities can be maintain in the libraries which can be used as and when required by different capacities and different specs.