I am definitely getting Forza 3, the Mazda Speed 3 is in it. Here is a list of all the cars & tracks....Cars:
400+ cars from 50+ manufacturers
Acura
2009 #9 Patrón Highcroft Racing ARX-02a [source]
2008 #15 Lowe's Fernandez Racing ARX-01b [image]
2008 #66 de Ferran Motorsports ARX-01b [image]
2009 #66 de Ferran Motorsports ARX-02a [image]
2005 NSX [image]
2005 NSX (Forza Motorsport Cover Car)
2002 RSX Type-S [image]
Alfa Romeo
2007 8C Competizione [image]
2009 Brera Ti [image]
1965 Giulia Sprint GTA Stradale [image]
2009 MiTo [image]
Aston Martin
2008 #009 Aston Martin Racing DBR9 [image]
1964 DB5 Vantage [image]
2005 DB9 [image]
2005 DB9 (Forza Motorsport 2 European Cover Car) [image]
2009 DBS [image]
2009 V8 Vantage [image]
Audi
2002 #1 Champion Racing S4 Competition [image]
2008 #2 Audi Sport North America R10 TDI [image]
2006 #2 FSI Champion Racing R8 [image]
2006 #8 Audi Sport Team Joest R10 TDI [image]
2008 A4 DTM (R14) [image]
2009 Q7 V12 TDI quattro [image]
2008 R8 4.2 FSI quattro [image]
2010 R8 5.2 FSI quattro [image]
2010 R8 5.2 FSI quattro(Forza Motorsport 3 Hero Car)
2010 R8 5.2 FSI quattro (Community Design Champion) [image]
2006 RS4 [image]
2003 RS6 [image]
2000 S4 [image]
2004 S4 [image]
2010 S4 3.0 TFSI quattro [image]
2007 S5 [image]
1983 Sport quattro [image]
2004 TT Coupé 3.2 quattro [image]
2007 TT Coupé 3.2 quattro S-Line [image]
Bentley
2003 #7 Team Bentley Speed 8 [image]
2004 Continental GT [image]
BMW Motorsport
2005 #2 Team BMW Motorsport M3-GTR [image]
1999 #15 BMW Motorsport V12 LMR [image]
2009 #92 Rahal Letterman Racing M3 GT2 [image]
2009 135i Coupe [image]
2005 M3 E46 Coupe [image]
2009 M3 E92 [image]
2009 M3 E92 'Custom Edition' [image]
2002 M3-GTR 'Street Version' [image]
2009 M5 E60 [image]
2009 X5 xDrive48i [image]
2008 Z4 M Coupé [image]
Bugatti
2009 Veyron 16.4 [image]
Buick
1987 Regal GNX [image]
Cadillac
2002 #6 Team Cadillac Northstar LMP-02 [image]
2009 CTS-V [image]
Chevrolet
2009 Aveo5 LT [image]
2010 Camaro SS [image]
1969 Camaro Z/28 [image]
1979 Camaro Z/28 [image]
1967 Corvette Sting Ray 427 [image]
2006 Corvette Z06 (C6) [image]
2009 Corvette ZR1 (C6) [image]
Chrysler
2008 300C SRT-8 [image]
2004 PT Cruiser GT [image]
Citroën
2009 C4 VTS Coupé [image]
Dodge
2008 #2 Team Mopar Viper Competition Coupe [image]
2008 #11 Primetime Race Group Viper Competition Coupe [image]
2004 #22 3R-Racing Viper Competition Coupe [image]
2009 Challenger SRT-8 [image]
1969 Charger R/T-SE [image]
2006 Charger SRT8 [image]
2008 Charger Stock Car [image]
2008 Charger Stock Car (with XBOX 360 livery) [image]
2006 Ram SRT-10 [image]
2003 Viper Competition Coupe [image]
1999 Viper GTS ACR [image]
2003 Viper SRT10 [image]
2008 Viper SRT10 ACR [image]
Ferrari
2005 #11 Larbre Competition 550 Maranello GTS [image]
1998 #12 Risi Competizione F333 SP [image]
1998 #30 MOMO/Doran Racing F333 SP [image]
2006 #62 Risi Competizione F430GT [image]
2008 #71 Tafel Racing F430GT [image]
2003 #72 Team Alphand Aventures 550 Maranello GTS [image]
2003 #88 Veloqx / Prodrive Racing 550 Maranello [image]
2008 #90 Farnbacher Racing F430GT [image]
1964 250 GTO [image]
1984 288 GTO [image]
1999 360 Modena [image]
2007 430 Scuderia [image]
1991 512 TR [image]
2002 575M Maranello [image]
2007 599 GTB Fiorano [image]
2009 California [image]
2003 Challenge Stradale [image]
1969 Dino 246 GT [image]
2002 Enzo Ferrari [image]
1995 F355 Challenge [image]
1987 F40 [image]
2004 F430 [image]
1995 F50 [image]
1996 F50 GT [image]
2006 FXX [source]
Fiat
2010 500 Abarth esseesse [image]
Ford
2009 #1 Team Vodafone FG Falcon [image]
2009 #5 Ford Performance Racing FG Falcon [image]
2009 #9 Stone Brothers Racing FG Falcon [image]
2004 #10 Tiger Racing Mustang [image]
2009 #25 Britek Motorsport/Fujitsu Racing FG Falcon [image]
2009 Fiesta Zetec S [image]
2009 Focus RS [image]
2006 Focus ST [image]
2003 Focus SVT [image]
2005 Ford GT [image]
2008 Fusion Stock Car [image]
1966 GT40 Mk II [image]
1970 Mustang Boss 429 [image]
2005 Mustang GT [image]
1986 RS200 Evolution [image]
2007 Shelby GT500 [image]
1993 SVT Mustang Cobra R [image]
2000 SVT Mustang Cobra R [image]
Holden
2009 #2 Toll Holden Racing Team Commodore VE [image]
2009 #33 Garry Rogers Motorsport Commodore VE [image]
2009 #39 Supercheap Auto Racing Commodore VE [image]
2009 #51 Sprint Gas Racing Commodore VE [image]
Honda
2005 #8 ARTA NSX [image]
2003 #16 G'ZOX NSX [image]
2005 #18 TAKATA DOME NSX [image]
1994 Civic 1.5 VTi [image]
2006 Civic SI Coupe [image]
2004 Civic Type-R [image]
2007 Civic Type-R [source]
2009 Fit Sport [image]
2002 Integra Type-R [image]
2005 NSX-R [image]
2005 NSX-R GT [image]
Hyundai
2010 Genesis Coupe [image]
Infiniti
2008 G37 Coupe Sport [image]
Jaguar
1993 XJ220 [image]
2009 XKR-S [image]
Koenigsegg
2008 CCGT [image]
Lamborghini
1999 Diablo GTR [image]
2005 Gallardo [image]
2007 Gallardo Superleggera [image]
2006 Miura Concept [image]
2005 Murciélago [image]
2007 Murciélago LP640 [image]
2008 Reventón [image]
Lancia
1974 Stratos HF Stradale [image]
Land Rover
2008 Range Rover Sport Supercharged [source]
2008 Range Rover Supercharged [image]
Lexus
2009 IS-F [image]
Lola
2009 #16 Dyson Racing Team B09/86 Mazda [image]
Lotus

? Elise
2009 Evora [image]
2005 Exige Cup 240 [image]
2007 Exige S [image]
Maserati
2005 #35 Risi Competizione MC12 [image]
2008 GranTurismo [image]
2004 MC12 [image]
Mazda
2009 Mazdaspeed3 [image]
2001 MAZDASPEED Familia [image]
1994 MX-5 Miata [image]
1990 Savanna RX-7 [image]
McLaren
1997 F1 GT [image]
Mercedes-Benz
2009 A200 TURBO Coupé 'Special Edition' [image]
2008 AMG Mercedes C-Klasse [image]
1998 CLK-GTR AMG Street Version [image]
2009 ML63 AMG [image]
2009 SL65 AMG Black Series [image]
2006 SLR McLaren [image]
MINI
2009 John Cooper Works [image]
Mitsubishi
2006 Eclipse GT [image]
1999 Lancer Evolution VI GSR [image]
2006 Lancer Evolution IX MR [image]
2008 Lancer Evolution X GSR [image]
2008 Lancer Evolution X GSR 'Custom Edition' [image]
Nissan
2003 #3 HASEMISPORT ENDLESS Z [image]
2008 #3 YellowHat YMS TOMICA GT-R [image]
2008 #12 CALSONIC IMPUL GT-R [image]
2008 #23 XANAVI NISMO GT-R [image]
2008 #24 WOODONE ADVAN Clarion GT-R
1997 #23 Nissan Motorsports R390 [image]
2010 370Z (Z34) [image]
1970 Datsun 510 [image]
2003 Fairlady Z (Z33)
2003 Fairlady Z (Z33) (Forza Motorsport 2 Cover Car) [image]
1969 Fairlady Z 432 (PS30) [image]
1993 MINE'S R32 Skyline GT-R [image]
2002 MINE'S R34 Skyline GT-R [image]
1998 R390 GT1 Street Car [image]
2007 Sentra SE-R Spec V
1971 Skyline 2000 GT-R (KPGC-10) [image]
1997 Skyline GT-R V-spec (R33) [image]
2002 Skyline GT-R V-Spec II (R34) [image]
2004 Top Secret Silvia D1-Spec S15 [image]
2009 Versa SL [image]
Opel
2004 Speedster Turbo [image]
Pagani
2003 #17 Carsport America Zonda GR [image]
1999 Zonda C12 [image]
Panoz
2005 #51 JML Team Panoz Esperante GTLM [image]
Peugeot
1993 #3 Team Peugeot Talbot Sport 905 EVO 1C [image]
2007 #8 Team Peugeot Total 908 HDi FAP [image]
2009 #9 Peugeot Sport Total 908 HDi FAP [image]
2007 207 RC [image]
2007 207 Super 2000 [image]
Pontiac
2002 Firebird Trans Am Collector Edition [image]
1973 Firebird Trans Am SD-455 [image]
2009 G8 GXP [image]
2006 Solstice [image]
Porsche
1998 #6 Zakspeed Racing 911 GT1-98 [image]
2005 #5 Drivex XBOX 360 911 GT3-RSR (996) [image]
2008 #7 Penske Racing RS Spyder [image]
2008 #16 Dyson Racing Team RS Spyder [image]
1987 #17 Racing Porsche AG 962c [image]
2008 #45 Flying Lizard Motorsports 911 GT3-RSR (997) [image]
2007 #80 Flying Lizard Motorsports 911 GT3-RSR (997)
1995 911 GT2 (993) [image]
2008 911 GT2 (997) [image]
2007 911 GT3 (997) [image]
2007 911 GT3 RS (997) [image]
1987 959 [image]
2003 Carrera GT [image]
2009 Cayenne Turbo S
Renault
2003 Sport Clio V6 [image]
2009 Twingo Renault Sport Cup [image]
Saab
2008 9-3 Turbo X
Saleen
2008 S331 Supercab
2004 S7 [image]
Scion
2005 tC [image]
2009 xD [image]
Seat
2009 Ibiza Cupra [image]
2007 Leon Supercup [image]
Shelby
1965 Cobra 427 S/C [image]
1965 Cobra Daytona Coupe [image]
1968 Mustang GT-500KR [image]
Subaru
2003 #77 Cusco Subaru ADVAN Impreza [image]
1998 Impreza 22B STi [image]
2004 Impreza WRX STi [image]
2008 Impreza WRX STi [image]
Toyota
1999 #3 Toyota Motorsports GT-ONE TS020 [image]
2008 #6 ENEOS SC430 [image]
2005 #6 EXXON Superflo Supra [image]
2006 #25 ECLIPSE ADVAN SUPRA [image]
2008 #25 ECLIPSE ADVAN SC430 [image]
2004 #35 Yellow Hat YMS Supra [image]
2008 #36 PETRONAS TOM'S SC430 [image]
1994 Celica GT-FOUR (ST205) [image]
1984 Celica Supra [image]
2002 MR-S [image]
1985 Sprinter Trueno GT Apex (AE86) [image]
2002 Top Secret 0-300 Toyota Supra [image]
2008 Yaris S [image]
TVR
2005 Sagaris [image]
2001 Tuscan S [image]
Vauxhall
2009 Corsa VXR [image]
2004 VX220 Turbo [image]
Volkswagen
2003 Bora VR6 [image]
1976 Golf GTI (MkI) [image]
2003 Golf R32 (MkIV) [image]
2009 Scirocco GT [image]
2008 Touareg R50 [image]
Volvo
2009 C30 T5 R-Design [image]
Tracks:
115+ track layouts in several environments, including world famous race tracks as well as road courses in some of the worlds most beautiful regions.
Amalfi Coast[TBN] (Italy)
Track Layouts:
* TBA
Autodromo Internazionale del Mugello (Italy)
Track Layouts:
* Mugello Grand Prix Circuit
* Mugello Short Circuit
Circuit de Catalunya (Spain)
Track Layouts:
* Circuit de Catalunya Grand Prix Track
* Circuit de Catalunya National Track
* TBA
Fujimi Kaido (Japan)
Track Layouts:
* TBA
Le Mans - Circuit de 24 Heures (France)
Track Layouts:
* Circuit de La Sarthe
* Circuit de La Sarthe without chicanes
* Circuit Bugatti
Maple Valley Raceway (USA)
Track Layouts:
* Maple Valley Raceway
* Maple Valley Raceway Reverse
* Maple Valley Short
* Maple Valley Short Reverse
Mazda Raceway Laguna Seca (USA)
Track Layouts:
* Mazda Raceway Laguna Seca
Montserrat (Spain)
Track Layouts:
* Camino Viejo de Montserrat Circuit
* Camino Viejo de Montserrat Circuit Reverse
* Camino Viejo de Montserrat Short Circuit
* Camino Viejo de Montserrat Short Circuit Reverse
* Camino Viejo de Montserrat Club Circuit
* Camino Viejo de Montserrat Club Circuit Reverse
* Iberian International Circuit
* Iberian International Circuit Reverse
* Ladera Test Track
* Ladera Test Track Reverse
* Ladera Test Track Config 2
* Ladera Test Track Config 2 Reverse
* Ladera Test Track Config 3
* Ladera Test Track Config 3 Reverse
* TBA
New York (USA)
Track Layouts:
*
* New York Circuit
* New York Circuit Reverse
* New York Circuit Short
* New York Circuit Short Reverse
Nürburgring (Germany)
Track Layouts:
* Nürburgring Nordschleife
* TBA
Road America (USA)
Track Layouts:
* Road America
Road Atlanta (USA)
Track Layouts:
* Road Atlanta Grand Prix Course
* Road Atlanta Short Course
Sebring International Raceway (USA)
Track Layouts:
* Sebring Grand Prix Course
* Sebring Short Course
* Sebring Club Course
* TBA
Sedona Raceway Park (USA)
Track Layouts:
* Long Road Course
* Long Road Course Reverse
* Short Road Course
* Short Road Course Reverse
* Oval
* Oval Reverse
* Drag Strip (1mile/½mile/¼mile/⅛mile)
Silverstone (Great Britain)
Track Layouts:
* Silverstone Grand Prix Circuit
* Silverstone International Circuit
* Silverstone National Circuit
* TBA
Sunset Peninsula (USA)
Track Layouts:
* Sunset Peninsula Infield
* Sunset Peninsula Infield Reverse
* Sunset Peninsula Infield Short
* Sunset Peninsula Infield Short Reverse
* Sunset Peninsula Speedway
* Sunset Peninsula Speedway Reverse
* TBA
Suzuka Circuit (Japan)
Track Layouts:
* Suzuka Grand Prix Circuit
* Suzuka East Circuit
* Suzuka West Circuit
Tsukuba Circuit (Japan)
Track Layouts:
* Tsukuba Circuit
* Tsukuba Short
Twin Ring Motegi (Japan)
Track Layouts:
* Twin Ring Motegi Road Course
* Twin Ring Motegi East Course
* Twin Ring Motegi West Course
* Twin Ring Motegi Super Speedway