Yeah, I'd appreciate if anyone has a car that isn't on this list, send me a FR, so I can share to everyone else. That is, if you don't want to just keep it all for yourself, lol:
(P) "Botched/Sabotaged" Acura NSX '91 - 15,656 BHP
(P) Audi R8 5.2 FSi Quattro '09 - 56,328 BHP
(P) Audi RS 6 Avant '08 - 1,664 BHP
(S) BMW M3 '04 - 808 BHP
(P) BMW M5 '08 - 1,032 BHP
(P) BMW M5 '08 - 901 BHP
(P) Chevrolet 2011 Tony Stewart #14 Impala - 1,719 BHP
(P) Chevrolet Camaro Z28 '69 - 2,949 BHP
(P) Chevrolet Corvette ZR1 (C6) '09 - 8,536 BHP
(S) Chevrolet Silverado SST Concept '02 - 1,869 BHP
(S) "Slammed" Chrysler 300C '05 - 1,534 BHP
(S) Daihutsu Midget II D Type '98 - 1,312 BHP
(S) Daihutsu Midget II D Type '98 - 6,143 BHP
(S) DMC DeLorean S2 '04 - 12,320 BHP
(P) Dodge Viper SRT10 ACR '08 - 1,280 BHP
(P) Ferrari Enzo Ferrari '02 - 1,144 BHP
(P) Ferrari Enzo Ferrari '02 - 1,398 BHP
(P) "Invisible" Fiat 500 F '68 - 16 BHP (Insanely high ride height)
(P) Fiat 500 F '68 - 830 BHP (Wacky suspension)
(P) Fiat 500 F '68 - 7,253 BHP (7-speed gearbox)
(P) Fiat 500 F '68 - 7,625 BHP
(S) Ford GT '02 - 1,116 BHP
(S) Gran Turismo Formula Gran Turismo - 2,396 BHP
(P) Gran Turismo PDI Racing Kart 100 - 230 BHP
(P) Gran Turismo PDI Racing Kart 100 - 375 BHP
(P) Gran Turismo PDI Racing Kart 100 - 394 BHP
(P) Gran Turismo Red Bull X2010 - 102,047 BHP
(P) High End Performance G37 - 1,261 BHP
(P) High End Performance G37 - 8,322 BHP
(P) Honda Civic Type R (EK) '97 - 3,188 BHP
(P) Honda CR-Z α '10 - 1,308 BHP
(P) Honda Integra Type R (DC5) '04 - 315 BHP (Drivetrain swap to FR)
(S) Jay Leno Tank Car '03 - 44,170 BHP
(P) Lamborghini Murciélago LP 670-4 Superveloce '09 - 1,238 BHP
(S) "Slammed" Land Rover Ranger Stormer Concept '04 - 878 BHP
(P) Mazda Autozam AZ-1 '92 - 12,836 BHP
(P) Mitsubishi Lancer Evolution X GSR P.P. '07 - 3,349 BHP
(P) "Slammed" Nissan GT-R SpecV '09 - 1,244 BHP (Lower than normally possible ride height)
(P) Nissan GT-R SpecV '09 - 6,974 BHP
(P) Nissan GT-R SpecV '09 - 20,501 BHP
(P) Nissan Skyline GT-R V-Spec II (R32) '94 - 1,492 BHP
(P) Nissan Skyline GT-R V-Spec II Nür (R34) '02 - 1,804 BHP
(S) Nissan Silvia K's (S13) '91 - 587 BHP
(P) Peugeot 307 CC Premium AVN '04 - 3,554 BHP
(P) Renault Clio Renault Sport V6 24V '00 - 728 BHP
(P) Suzuki Cappuccino (EA21R) '95 - 501 BHP
(P) Toyota 86 GT '12 - 578 BHP
(P) Toyota Prius G '09 - 6,160 BHP
(S) Toyota Sports 800 '65 - 552 BHP
(S) Toyota Sprinter Trueno GT-Apex (Shuichi Shigeno Version) '00 - 604 BHP
(S) Toyota Supra RZ '97 - 1,089 BHP
(S) Toyota Supra RZ '97 - 1,189 BHP
(S) Volvo 240 GLT Estate '88 - 19,861 BHP
# of hybrids = 53