Honestly whilst the GT86 HU is touch screen it's really not very good. £300 for an aftermarket head unit would give you a lot more.
2013 GT86 White, Bespoke TEIN Street Flex EDFC Active Pro, fully poly bushed, SPA rear lower arms. Injen Induction, TD EL manifold, Milltek over pipe, decatted, TD resonated exhaust and decat pipe. AP 4-pots BBK. TE37's, mega sound system.