High Performance Computing (HPC) is an enabling theme within the Programme for Simulation Innovation (PSi). The primary objective of research on the theme has been to ensure that the computational demands of the virtual vehicle design process can be handled by the HPC system. Two primary research strands have been explored to support this objective. Working with Dr. Nikos Nikiforakis and his team in the renowned Cavendish Laboratory we have explored novel and highly efficient mathematical methods to solve multi-scale, multi-physics and multi-engineering problems such as structural, computational fluid dynamics and systems engineering. We have also collaborated with the Cambridge University High Performance Computing Service (primarily with Filippo Spiga, now at ARM Holdings) to investigate ways of more efficiently using HPC infrastructure when applied to simulation problems by means of assessing the impact of novel algorithm and hardware architectures, and simulation control software. These studies have informed Jaguar Land Rover's HPC hardware and software acquisition decisions.