No idea on budget but clearly you don't want to spend for the big names , either of these will not disappoint without busting the wallet , fitting cack tyres to these cars is about the worse thing you can do to spoil the ride / drive
The Riken are Michelin owned / made & Nokian must be the most under the radar underrated tyres on the market
fronts
https://www.tyreleader.co.uk/car-tyres/riken/uhp/225-40-zr18-92y-849322
https://www.tyreleader.co.uk/car-tyres/nokian/powerproof/225-40-zr18-92y-912302
rears
https://www.tyreleader.co.uk/car-tyres/riken/uhp/245-40-r18-97y-849337
https://www.tyreleader.co.uk/car-tyres/nokian/powerproof/245-40-zr18-97y-912307