2026 GMC Sierra 3500 AT4 

in Kelowna 

Built for hard work and backcountry confidence, this used 2026 GMC Sierra 3500 AT4 is ready for serious towing, hauling, and daily comfort. It pairs a Grey exterior with a 10-speed automatic transmission and the proven Duramax 6.6 turbo-diesel V8 engine. With 15,124 km on the odometer, this heavy-duty truck delivers strong capability for drivers in Kelowna who need real performance.

The 2026 GMC Sierra 3500 AT4 brings off-road attitude and heavy-duty strength in one well-rounded package. Its diesel power, B20-diesel compatibility, and advanced transmission help it feel composed under load and smooth on the highway. For drivers who want a tough used truck sold by Kelowna Chrysler Dodge Jeep, this Sierra 3500 AT4 stands out with purpose-built engineering.

FEATURES OF THE Sierra 3500 AT4
»» Off-road focused heavy-duty truck design
»» Duramax diesel power for serious work
»» Four-wheel-drive confidence for rough terrain
»» AT4 styling with elevated capability

TRUCK FEATURES
»» Strong diesel torque for heavy towing
»» Heavy-duty chassis built for demanding jobs
»» Pickup bed supports gear and materials
»» Ten-speed automatic aids loaded performance

ADVANCED SAFETY FEATURES
»» Heavy-duty braking supports confident control
»» Trailer-ready design helps stable towing
»» High driving position improves road visibility
»» Sturdy truck construction adds reassurance

PERFORMANCE AND EFFICIENCY
»» Duramax 6.6 turbo-diesel V8 power
»» B20-diesel compatible for added flexibility
»» Ten-speed automatic delivers smooth shifting
»» Strong torque suits towing and hauling

COMFORT AND CONVENIENCE
»» Spacious cabin supports long workdays
»» Four-door access improves daily usability
»» Elevated ride height aids visibility
»» Practical layout keeps controls within reach

TECHNOLOGY AND CONNECTIVITY
»» Driver-focused controls support easy operation
»» Modern transmission tuning improves responsiveness
»» Clear instrument information for truck duties
»» Useful connectivity supports everyday driving

CARGO SPACE
»» Pickup bed handles bulky cargo easily
»» Ideal for tools and job materials
»» Cabin space supports personal item storage
»» Built to manage work and recreation

WHAT OTHER OWNERS LIKE
»» Strong diesel pulling power under load
»» Confident ride height and truck presence
»» Smooth automatic shifting in varied driving
»» Useful blend of work and comfort

This used 2026 GMC Sierra 3500 AT4 offers the kind of strength buyers expect from a modern heavy-duty pickup, without losing everyday drivability. Whether you are towing equipment, carrying supplies, or heading out beyond the pavement, it is designed to handle the task with confidence. The low kilometre reading adds extra appeal for shoppers seeking a capable truck with plenty of life ahead.

Available now at Kelowna Chrysler Dodge Jeep in Kelowna, this used 2026 GMC Sierra 3500 AT4 is a smart choice for drivers who want diesel power, truck toughness, and proven utility. Its combination of Duramax performance, 10-speed automatic control, and AT4 character makes it a compelling heavy-duty pickup for work or adventure.

This 2026 GMC Sierra 3500 AT4's VIN is: 1GT4UVEY2TF112656 .

Kelowna Chrysler Dodge Jeep Ram is your trusted destination for quality new and used vehicles in the Okanagan. As part of the Johnston Auto Group, we offer a wide selection of inventory, upfront pricing with no hidden fees, and a hassle-free buying experience. Looking for financing? We work with all credit situations good, bad, or no credit to help you get into a reliable vehicle. Visit us at the corner of Leckie and Enterprise Way, Kelowna, BC, or call/text (250) 763-6121 to get started. Looking to trade or sell your vehicle? We buy all makes and models and offer top-dollar appraisals. All our pre-owned vehicles undergo a thorough 85-point inspection and include a complimentary CARFAX report for added peace of mind. Freshly detailed. Your next ride is waiting experience the Kelowna Chrysler difference today.

The price shown is an estimate in Canadian dollars and includes freight and PDI. It does not include the 895 documentation fee or the 699 secure drive. Photos are for illustration purposes only and may not reflect the exact vehicle, including colour, trim, options, or specifications. Some vehicle data and pricing is provided by third-party sources; while every effort is made to ensure accuracy, we cannot guarantee the reliability of this information. Dealer #5296. Licensed by the Motor Vehicle Sales Authority of British Columbia.