GMC Sierra 2017 GMC Sierra 2014 modified to 2016, Full Option Z71 4x4. Mileage: 325,000 km. Engine: Original factory. Transmission: Original factory. Airbags: Full original. Chassis: Original factory. Body: Fully repainted for color change, no accidents. 4x4 System: Original factory. Additions: - Profender shocks, 4 sets from 4x4, including maintenance. - 40,000 BTU transmission cooler. Specifications: - 4x4 - Large screen - Radar - Lane assist - Forward collision warning - Cruise control - Camera - Remote start - Airbag deactivation - Front and rear sensors - LED lights - Steering wheel controls - Trailer towing system And other full option specifications. New set of tires.