Experience the 2025 GMC Sierra 1500 AT4 in Onyx Black — a rugged, diesel-powered 4x4 crew cab built for Canadian roads and demanding adventures.

Designed for drivers who require both capability and comfort, this Sierra 1500 AT4 features a turbocharged straight 6-cylinder diesel engine paired with a smooth 10-speed automatic transmission, delivering impressive torque for towing and hauling. The 4-wheel drive system with locking differential ensures confident handling on slippery or uneven terrain, while the integrated tailgate step and tow hooks make loading and recovery effortless.

Inside, premium leather bucket seats offer heated and cooled comfort, with adjustable lumbar support and memory settings for both driver and passenger. Multi-zone climate control and a heated steering wheel keep the cabin inviting in any weather. Advanced safety technologies such as blind spot monitoring, lane keeping assist, front collision mitigation, and an aerial view display system provide peace of mind on every journey.

Connectivity is seamless with Bluetooth, smart device integration, WiFi hotspot, and a premium sound system. Aluminum wheels, LED headlights, fog lamps, and privacy glass complete the bold exterior look. Whether navigating city streets or venturing off-road, the GMC Sierra 1500 AT4 delivers strength, sophistication, and advanced features tailored to your active lifestyle.