Need for Speed: Carbon/Rivals

Bushido

 * Leader: Kenji
 * Leader Car: Mazda RX-7
 * Leader crew member unlock: Yumi
 * Leader crew member unlock usefulness: 1/5
 * Difficulty: 2/5

TFK

 * Leader: Wolf
 * Leader Car: Aston Martin DB9
 * Leader crew member unlock: Colin
 * Leader crew member unlock usefulness: 2/5
 * Difficulty: 2/5

21st street Crew

 * Leader: Angie
 * Leader Car: Dodge Charger R/T
 * Leader crew member unlock: Sampson
 * Leader crew member unlock usefulness: 2/5
 * Difficulty: 2/5

Stacked Deck

 * Leader: Darius
 * Leader Car: Audi Le Mans Quattro (Audi R8)
 * Leader crew member unlock: n/a
 * Leader crew member unlock usefulness: n/a
 * Difficulty: 5/5