Buying some cars, have RTR Mustang, FE's, etc

I’m looking for these cars:

2019 Porsche 911 GT3 RS;
2017 Ferrari 812 Superfast;
2017 Chevrolet ZR2;
2018 Honda Civic Type-R;
2017 Gymkhana 10 Ford Fiesta ST;
2018 KTM X-Bow GT4;
2010 Audi TT RS;

I have
Mustang RTR Spec 5 2018
#25 RTR Mustang 2018
#88 RTR Mustang 2018
Lotus Elise 1999
Some FE cars
500+ Cars
10million CR

Just make your offers

My GT is: venturePT

I have at least 3 of the cars you need

I’m interested in the 25#RTR. How much for it ?