HERE IS YOUR NEW 2013 4WD 2500 DIESEL CREW CAB - 6.6L DURAMAX V8 turbo diesel engine, Engine block heater, Engine exhaust brake, 4-wheel disc brakes, 3.73 rear axle ratio, Stabilitrak, OSRV mirrors w//Dr. side auto-dimming/Pwr fold & Adjust/Heat/Turn signal, Electronic Shift Transfer case, Z71 off road suspension package, Z71 Appearance pkg, 20 alum wheels, Spare tire lock, EZ lift locking tailgate, Rear wheelhouse liners, Leather seats, Front pwr heated & cooled bucket seats with Dr. memory settings, Rear 60/40 split-folding bench seats, Dual zone auto air conditioning, Auxiliary input jack, XM radio, BOSE premium sound system, BLUETOOTH for phone, USB port, Rear vision camera system, ISRV mirror with rear camera display.