How get red bull car on gt5?

The extremely hardway: Struggle to level 40, keep on playing until you have 20,000,000 points, and buy it in the Gran Turismo dealership

The hard way: Win theRedBull X Challenge (unlocked when level 30 is achieved in A-spec mode)

The easy way:Struggleto level 35 in B-spec mode( if you are patient enough)