History Road racing?

It is either a "Hillman Minx" or the NZ Re-tagged "Humber 80" [They're the same car]

That model was also sold in the USA as a "Sunbeam Rapier"



Here is Kevin Green in the Chevy Coupe out running [or being chased down by] a Lotus Cortina driven by John Ward
Sadly John Ward was later killed at Catalina Park NSW Australia