The RAM 1500 offers 45.2 -inches of second row legroom, and the RAM 1500 Quad Cab offers 35.6 -inches of second row legroom. The Quad Cab has a max towing capacity of 12,750 lbs and the RAM 1500 Crew Cab has a max towing capacity of 11,310 lbs.  . The Quad Cab only comes available with the RAM 1500 Tradesman and Big Horn/ Lone star. The RAM 1500 Crew Cab comes available with the Tradesman, Big Horn Lone Star, Rebel, Laramie, Limited Longhorn, Limited, and TRX. For more information about the RAM 1500 Crew Cab vs. Quad Cab, keep reading.