Blacklist Bosses Nos. 1-5
You'll need to beat the first boss Razor to unlock the BMW M3 GTR. Defeating the second boss, Bull, doesn't unlock anything. Beating the third boss, Ronnie, will unlock the Mercedes-Benz SLR McLaren and the Porsche Carrera GT. The fourth boss, JV, will unlock the Ford GT and the Lamborguini Murcielago once beaten. Webster is the fifth boss; when you beat him, you'll unlock the Corvette C6 and the Porsche 911 Turbo S. By beating Webster you'll also unlock Heat Level No. 5: Corvettes.
Blacklist Bosses Nos. 6-9
To unlock the Lamborguini Gallardo and the Dodge Viper SRT 10, you'll need to beat Ming, the sixth boss. The seventh boss is Kaze, who unlocks the Aston Martin DB9 and the Porsche 911 Carrera S. If you beat Jewels, the eighth boss, you'll unlock the Mercedes-Benz CLK 500 and the Lotus Elise. Beating the ninth boss, Earl, will unlock the Mazda RX-7 and the Subaru Impreza WRX STi as well as Heat Level No. 4: Black GTOs and the Rockport City race.
Blacklist Bosses Nos. 10-13
Baron is the 10th boss, and he unlocks the Vauxhall Monaro VXR, the Porsche Cayman S and the Pontiac GTO. Big Lou, boss No. 11, unlocks the Mitsubishi Lancer Evolution VIII and the Mercedes-Benz SL 500. You have to beat Izzy, boss No. 12, to unlock the Mustang GT, the Mazda RX-8 and the Cadillac CTS. Heat Level No. 3: GTOs and the Camden Beach race is unlocked when you beat boss No. 13, Vic, as well as the Toyota Supra and the Renault Clio V6.
Blacklist Bosses No. 14-15
Taz is the 14th boss, and to unlock the Audi A4 3.2 FSI Quattro and the Mitsubishi Eclipse you'll have to beat him. Defeating the 15th boss, Sonny, will unlock the Audi A3 3.2 Quattro. When you completed the game, you will also unlock the Corvette C6.R. To unlock the Mercedes-Benz Sl65 AMG, you need to complete the challenge series No. 68.