New offiicial details of the U.S. version include split-screen head-to-head in addition to the up to 16 players over the net. 40 episodes from the BBC version of Top Gear have been confirmed to be coming to the U.S. Prologue's GT TV feature (but the test track still won't be included until the full version of GT 5 comes out).
Here's the complete list of the tracks (each course features alternate configurations):
* Suzuka Circuit
* Eiger Nordwand
* Fuji Speedway
* London City Track
* Daytona International Speedway
* High Speed Ring
Here's the entire list of the cars in the game:
* Acura NSX '91
* Alfa Romeo 147 TI 2.0 TWIN SPARK '06
* Alfa Romeo Brera Sky Window 3.2 JTS Q4 '06
* Amuse S2000 GT1 Turbo
* Amuse/Opera Performance Gran Turismo 350Z RS
* Art Morrison Corvette'60
* Aston Martin DB9 Coupe '06
* Audi R8 4.2 FSI R tronic '07
* Audi TT Coupe 3.2 quattro '07
* Blitz Dunlop ER34 '07
* BMW 135i Coupe '07
* BMW 135tii '08
* BMW M3 Coupe '07
* BMW Z4 '03
* Chevrolet Corvette Z06 (C6) Tuned Car
* Chevrolet Corvette Z06 '06
* Citroen C4 Coupe 2.0VTS '06
* Clio Renault Sport V6 24V Tuned Car
* Daihatsu Copen Active Top '02
* Daihatsu OFC-1 '07
* Dodge Viper GTS
* Dodge Viper SRT10 Coupe
* Dodge Viper SRT10 Coupe Tuned Car
*
Ferrari 512BB '76
* Ferrari 599 '06
*
Ferrari F40 '92
* Ferrari F430 '06
* Ford Focus ST '06
* Ford GT '05
* Ford GT Tuned Car
* Ford Mustang V8 GT Coupe Premium '07
* Honda Integra TYPE R '04
*
Honda NSX Type R '02
* Jaguar XK Coupe '06
* Lancia Delta HF Integrale Evoluzione '91
* Lexus IS F '07
* Lexus IS F Tuned Car
* Lotus Elise 111R '04
* Lotus Elise 111R Tuned Car
* Lotus Elise '96
* Lotus Elise Tuned Car
* Mazda Atenza Sport (2007 Tokyo Motor Show reference exhibit)
* Mazda RX-7 (FD) Special Tuned Car
* Mazda RX-7 Spirit R Type A (FD) '02
* Mazda RX-7 Spirit R Type A (FD) Tuned Car
* Mazda RX-8 Type S '03
* Mercedes-Benz SL 55 AMG '02
* Mine's BNR34 Skyline GT-R N1 base '06
* Mini Cooper-S '06
* Mitsubishi Lancer Evolution IX GSR '05
* Mitsubishi Lancer Evolution X GSR Premium Package '07
* Mitsubishi Lancer Evolution X GSR Tuned Car
* Mitsubishi Lancer Evolution IX GSR Tuned Car
* Nissan Fairlady Z Version S '07
* Nissan GT-R '07
* Nissan GT-R Proto '05
* Nissan Skyline Coupe (V36) Tuned Car
* Nissan Skyline Coupe 370GT Type SP '07
* Nissan Skyline Coupe Concept '07
* Nissan Skyline GT-R V-spec II Nur '02
* Nissan Skyline Sedan 350GT Type SP '06
* Peugeot 207GTI '07
* Peugeot 307cc Premium AVN '04
* RE Amemiya FD3S RX-7
* Renault Clio Renault Sport V6 24V '00
* Subaru Impreza Sedan WRX STI spec C Type RA '05
* Subaru Impreza WRX STI (18inch BBS Wheel Option) '07
* Suzuki Cappuccino '95
* Suzuki Cappuccino Tuned Car
* Suzuki Cervo SR '07
* Suzuki Swift Sport '07
* Suzuki Swift Sport Tuned Car
* TVR Tamora '02
* TVR Tuscan Speed 6 '00
* Volkswagen Golf GTI '01
* Volkswagen Golf V GTI '05
Summary of differences between Japanese version and the American version:
* A whopping 30+ additional vehicles (compared to the Japanese version), including tuner cars from Amuse, Mine’s, etc.
* Another track to race on: an all-time favorite in the series - frantic and chaotic High Speed Ring!
* In Drift Mode, measure your drifting technique based on driving line, angle and speed within scoring zones on the course
* With the Quick Tune feature, adjust your vehicle’s settings including power, weight, tires and suspension
* All new set of online and offline race events and time trials to jump into, win, and unlock cars/features
* With Logitech’s new Driving Force GT racing wheel, you can adjust brake bias, traction and damper settings on-the-fly like they do in real-life with Formula One and rally cars. GT5 Prologue will support DualShock 3, too!
http://blog.us.playstation.com/2008/03/06/more-details-emerge-for-gran-turismo-5-prologue/
April 17th can't come soon enough