This 2017 GMC Sierra, in white, represents a GCC-spec, facelifted third-generation K2XX double-cab pickup with a practical balance of toughness and everyday usability. It runs a 5.3-liter V8 delivering 355 horsepower, paired with an automatic transmission and all-wheel drive, offering confident acceleration and traction in diverse conditions while keeping petrol power at the core. One careful prior owner and around 55,000 miles highlight its well-kept, low-mileage character for a vehicle of this size, and the GCC configuration aligns with regional requirements and comfort e