What happens to F1 race cars at seasons end

[M5Rick]

Firstly the PU's are returned to the supplying manufacturer.

[Red-Eye51]

Some get used as a running show car for demo runs

[NickyC]

Thanks for posting!

[M5Rick]

When the original engines wear out and they're too expensive to repair then cheap Judd V8's can always be fitted to suffice.

[M5Rick]

All those millions spent on the cars and recent ones now are either kept securely or in some cases even destroyed to stop other teams getting hold of them to protect their secrets.