Toyota offers three different cab styles in its pickup trucks: Regular cab with front seats only and two doors. Access Cab with front seats, small rear seats and four doors (two regular size and two small rear doors). Referred to as an Extended Cab, SuperCab or King Cab by competitors. Double Cab with full-size front and rear seats and four full-size doors. Referred to as a Crew Cab, Super Crew or Quad Cab by competitors.