Here's a list of "confirmed cars" from Microsoft, taken from
www.totalvideogames.com
I took the time to arrange them, but it's frustrating that the years and specifics aren't listed. Oh well, I did my best...
BTW, this is in no way an official list, because it is subject to radical change. But it's all we've got, for now. Oh yeah, if anyone can help with the JGTC cars it would be nice. The numbers change from year to year and the ones listed are pretty vague, so I wouldn't be surprised if I got a few of them wrong.
AB Flug
RX-7
S900 Supra Turbo
AC/Shelby
67 Cobra 427 SC
68Mustang GT500KR
Series 1
Acura
'97 NSX
'05 NSX
Integra Type R
RSX Type S
3.2 CL Type S
#42 Realtime Racing NSX
AeroGear
Integra Type R
APR
Celica GT-S
Aston Martin
V12 Vanquish
DB9 coupe
Audi
#1 Champion RS6
#1 Champion S4 competition
#1 Infineon R8
#4 Johansson R8
#38 Champion R8
#8 ABT TT-R
S4 Bi-Turbo
S4 4.2l V8
TT 3.2
RS6
Bentley
Continental GT
#7 Speed 8
BMW
Z4 3.0i
#15 V12 LMR
#42 M3 GT-R
#43 M3 GT-R
Border
'95 MR2 Turbo T bar
Buick
Regal GNX
Cadillac
#8 LMP 02
CTS-V
#16 SCCA CTS-V
Chevrolet
#3 IMSA Corvette C5-R
#73 Corvette Z06
Corvette Z06
'05 Corvette C6
'67 Stingray 427 L-88
Camaro SS
'69 Camaro Z28
'69 Camaro SS
Chrysler
'98 Talon TSi Turbo
GT Cruiser turbo
ME Four Twelve
Courage
C65 LMP2
Dodge
SRT-4
Viper GTS ACR
Viper SRT10
Viper Competition Coupe
#22 Viper Competition Coupe
#23 Viper Competition Coupe
#51 Team Oreca Viper GTS-R
#53 Team Oreca Viper GTS-R
#1 Viper GTS-R
Stealth R/T turbo
'70 Challenger R/T Hemi
Ferrari
575M Maranello
360 Modena F1
360 Challenge Stradale
'64 250 GTO
Enzo
F40
F50
512 TR
288 GTO
#21 330 P4
'69 Dino 246GT
#3 Moretti Racing F333 SP
#12 Risi Competizione F333 SP
#88 IMSA 550 Maranello
355 F1 GTS
355 challenge stradale
612 Scaglietti
Ford
Focus SVT
'66 GT40 MK II
'70 Boss 429 Mustang
Mustang Cobra R
'05 Mustang GT
'05 GT
#10 Tiger Racing Mustang
Guldstrand
Guldstrand Edition Corvette
Hennessey
Venom 800TT
Honda
CRX Si-R
Civic Si Hatch
'99 Civic Si Coupe
'04 Civic Type R hatch
'00 Prelude Type SH
Del Sol VTEC
Accord Coupe EX
S2000
Integra Type R
NSX Type R ('97)
NSX Type R ('05)
#8 JGTC AUTOBACS NSX
#64 JGTC Raybrig NSX
Hyundai
Tiburon GT
Infiniti
G35 coupe
INGS
RX-7
Jaguar
XJ220
'61 E-type S1
Koenigsegg
CC8S
Lancia
'74 Stratos HF stradale
Delta Integrale EVO
Lexus
SC430
IS300
Lingenfelter
427 Corvette twin turbo
Lotus
Elise 111s
Federal Elise 135R
Esprit V8
'72 Elan Sprint
'05 Lotus Exige
Mazda
2nd Gen RX-7 turbo
3rd Gen. RX-7 turbo
RX-7 Spirit R
MX-5 1.8i sport
Mazdaspeed MX-5
Mazdaspeed Protégé
Mazda 3 sport 2.3l
Mazdaspeed RX-8
RX-8
Mclaren
#42 Fina F1 GTR
#41 Davidoff F1 GTR
Mercedes-Benz
'54 300SL gullwing Coupe
#11 D2 CLK-GTR
#3 CLK-DTM
AMG C32 Coupe
AMG CLK55
AMG CL65
SLR
Mines
CP9A Lancer EVO VI
R32 Skyline GT-R
R34 Skyline GT-R
Mini
Cooper S
Mitsubishi
Lancer EVO VI GSR
Lancer EVO VI TME
Lancer EVO VIII GSR
Lancer EVO VIII RS
Lancer EVO VIII FQ-330
Eclipse GSX
Eclipse GTS
3000GT VR-4
FTO GP version R
Mugen
Civic Type R
Integra Type R
S2000
NSX
#18 JGTC NSX
Nissan
Fairlady Z32 twin turbo
Fairlady Z33
350Z track
#32 R390 GT1
72 Datsun 240Z
Fairlady Z32 twin turbo
300ZX twin turbo version R
Altima 3.5 SE
Silvia S14
Silvia S15 Spec R
240SX SE
Skyline GTR V-spec II R34
Skyline GTR V-spec II Nur R34
Skyline GTR R32
Skyline V35
#3 Z33 GZOX SSR Hasemi
#12 JGTC (Yellow Hat?) Skyline GT-R
Opel
#5 OPC Team Pheonix Astra V8
#6 OPC Team Pheonix Astra V8
Speedster Turbo
Pagani
Zonda C12 S
#17 IMSA Zonda GR
Panoz
Esperante GTL hardtop
#10 JML LMP01 EPP
Peugeot
206 GTi 180
Pontiac
'05 GTO
'68 GTO Judge
Porsche
'55 550 Spyder
'73 Carrera RS
959
911 GT3 (996)
Carrera GT
'98 #26 911 GT1
911 Turbo
911 GT2 (993)
944 turbo
'98 #17 Rothmans 962C
Boxster S
#22 3R racing 911 GT3
#23 IMSA 911 GT3-RS
RE-Anemiya
RX-7
Renault
Clio V6 RS
SAAB
9-3 Viggen
Saleen
S7
#7 IMSA S7R
Mustang S281
Seat
Cupra GT prototype
Subaru
WRX STi
WRX STi Spec-C
Impreza 22B STi
Impreza 2.5RS coupe
#77 JGTC Cusco Impreza
Sparco
Lancer EVO VIII
Tommy Kaira
Impreza M20b
R34 Skyline GT-R
Toms
Z382 Soarer
T020 MR2
W123 MR-S
Toyota
'69 2000GT
Supra Twin Turbo
Celica GT-S
Celica VVT-i T sport (?)
AE86 Sprinter Trueno GT-Apex
MK 2 MR2 turbo T-bar
MR2 Spyder
MR-S
#21 GT-ONE TS020
Camry Solara
MK II Supra Turbo
Altezza RS200
Soarer 430SCV
#36 JGTC Woodone Toms Supra
#??? JGTC Yellow Hat Supra
TVR
Tuscan S
Tuscan R
Cerbera Speed 12
Vauxhall
VX220 Turbo
Veilside
Supra Fortune 03
Supra Fortune 99
VIS Racing
Integra Type R
MR2 Turbo T bar
Volkswagen
Golf R32
Corrado SLC
Beetle Turbo S
Jetta GLX VR6
Volvo
#24 At-Speed S60R
S60R
Wings West
Civic Type R widebody