2011 Audi R8 Spyder Quattro with Heffner Performance Twin-Turbo System , STOCK # 17180 VIN: WUATNAFG1BN002020 ENGINE: DUAL OVERHEAD CAM 40-valve V-10, aluminum block and heads, direct fuel injection with HEFFNER PERFORMANCE Twin-Turbo System Upgrade TRANSMISSION: six gear manual, six gear manual with automated shifting and clutch DRIVETRAIN: 4-Wheel-Drive; Quattro MILEAGE: 16,508 EXTERIOR COLOR...