Sony has unveiled the pre-order incentives for Gran Turismo 6, including an exclusive 15th anniversary edition for GameStop.

According to the PlayStation Blog, there will be three different pre-order bonuses available at different retailers. The main incentive available to all will be a four-car pack, which features the 2011 BMW Z4 GT3, the 2013 Nissan GT-R NISMO GT, a 2013 Tesla Model S Signature Performance, and the 2014 Chevrolet Corvette Stingray (C7).

As cool as those cars are, GameStop's 15th anniversary edition upgrade nets you a whopping 16 additional cars (for a grand total of 20), custom paint chips, a race suit, a helmet, a PSN Avatar and a copy of Beyond the Apex II app.

  • Alfa Romeo TZ3 Stradale 2011
  • Alpine A110 1600S 1968
  • Aston Martin V12 Vantage 2010
  • Audi R8 LMS ultra 2012
  • Ford Focus ST 2013
  • Ford Mustang Shelby GT500 2013
  • Honda HSV-010 (SUPER GT) 2011
  • Lamborghini Aventador LP 700-4 2011
  • Lexus IS F Racing Concept 2008
  • Lotus Europa (type54) 1968
  • Mercedes-Benz SLS AMG GT3 2011
  • Renault Sport Megane Trophy V6 2011
  • SRT Viper GTS 2013
  • TRD 86 Racing 2008
  • Volkswagen Scirocco GT24 Race Car 2008

Amazon won't be left out in the cold though, and will be getting an incentive of its own. While not as automobile-heavy as GameStop's content, the online retailer is giving $1 million in in-game cash to all pre-orders (along with the four-car pack). That should definitely help you get a nice start on building up your garage, especially since you'll potentially be 16 speedsters behind the competition.

Which pre-order incentive has your interest piqued? Or will you be going the digital download route on PSN?