Price Includes Added Accessories Plus Technology Package | AT4 Premium Plus Package | 3 Years Sirius XM | Power Sliding Sunroof
The 2026 GMC Sierra 1500 AT4 in Summit White is a purpose-built workhorse with genuine off-road capability and premium comfort built in from the factory. Powered by a smooth and efficient 3.0L Duramax Diesel inline-6 with 4WD, this Crew Cab comes factory ordered and is arriving soon a rare opportunity to get into a highly optioned AT4 before it hits the lot.

- 3.0L Duramax Diesel engine with 4WD and automatic transmission strong towing capacity with excellent fuel economy (9.3L/100km hwy)
- GMC MultiPro Tailgate with six load/access configurations a standout feature for those who actually use their truck
- AT4 off-road credentials: auto-locking rear differential, Red recovery hooks, and 4-wheel disc brakes with DURALIFE rotors
- Dual-zone automatic climate control, heated steering wheel, and 10-way power seats front and rear for long-haul comfort
- Heated second-row outboard seats and an Up-level Rear Storage Package with full under-seat storage practical for crews and families alike
- Trailer Side Blind Zone Alert and Rear Cross Traffic Braking make towing and maneuvering significantly safer
- Remote vehicle starter and adaptive cruise control add everyday convenience
- Rain-sensing wipers, LED fog lamps, and deep-tinted glass round out the premium exterior package

This Sierra AT4 Diesel is a factory order arriving soon at Birchwood Chevrolet Buick GMC. If you're ready to move forward, you can reserve it now, start your purchase online at birchwoodchevrolet.ca, or contact us directly to ask questions and secure your spot. Don't wait factory orders like this one don't last.
See three brands under one roof at Birchwood Chevrolet Buick GMC the only place in Winnipeg where you can compare GMC, Chevrolet, and Buick all in one visit. Save yourself some time, see a great selection, and learn everything you need to know.

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Click, call (204) 837-5811, or visit Birchwood Chevrolet Buick GMC at the Birchwood Auto Park, 3965 Portage Avenue West at the Perimeter.

Dealer Permit #4240.
Dealer permit #4240