I am not sure if there are others that think like me, but I hope PD puts in "regular" cars, much like in the first two GTs. I'd love to race using today's and past compact and large sedans. If PD were to go that route, I predict the following cars:
Acura TLX A-Spec '18
Acura Integra Type-R '01
Acura Legend Coupe Type-II '94
Acura TSX '06
Acura TL Type-S '07
Audi S4 '98
Buick Cascada '17
Buick Regal GS Sport '18
Subaru Impreza Sport '17
Subaru SVX '92
Subaru Legacy RS '96
Mitsubishi Lancer Sportback Ralliart '09
Mitsubishi Lancer GT '16
Mitsubishi Eclipse GSX '99
Mitsubishi Eclipse GT '12
Mitsubishi Galant VR-4 '99
Mitsubishi 3000GT/GT0 VR-4 '99
Ford Focus Titanium '18
Ford Focus RS '02
Ford Fusion Sport '18
Ford Taurus SHO '98
Ford Taurus SHO '18
Ford Mustang Mach 1 '04
Nissan Juke Nismo '15
Nissan Sentra Nismo '17
Nissan Sentra Type R Spec V '02
Nissan Maxima SR '18
Nissan Altima SR '18
Toyota Camry XSE '18
Toyota Corolla XSE '18
Chevrolet Malibu Premier '18
Chevrolet Cavalier Z24 '95
Chevrolet Impala SS '96
Chevrolet Cruze RS Hatchback '18
Volkswagen Jetta GLI '17
Volkswagen Corrado VR6 '92
Volkswagen Passat R-Line '17
Volkswagen Phaeton W12 '06
Honda Civic Hatchback Touring '18
Honda Civic Si '00
Honda Accord Coupe '15
Hyundai Elantra Sport '18
Kia Forte Koup SX '14
Kia Stinger GT '18
Suzuki Kizashi Sport '11
Saab 9-3 Aero '11
Lincoln MKZ 3.7 AWD '14
Infiniti M35x '09
Infiniti Q50 '15
Scion tC '15
Scion tC '09
I would add more cars, but I don't feel like thinking anymore, so I might edit this later. Let me know what you think of my list!