Complex sentence: The chassis is the VH platform, also found in the Aston Martin DBS whilst the engine is the 6.0L V12 from the Aston Martin V12 Vanquish.
Split into simpler sentences: The chassis is the VH platform, also found in the Aston Martin DBS. The engine is the 6.0L V12 from the Aston Martin V12 Vanquish.