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The GMC Sierra 1500 gives you some of the best towing and hauling capability you can buy and it has that handsome GMC exterior. 

The 2024 GMC Terrain Denali has an eight-inch GMC Infotainment System with Connected Navigation, providing real-time updates for points of interest, traffic, fuel prices, parking, and more.

If you're seeking a mid-size pickup truck that combines rugged performance with premium features, look no further than the 2025 GMC Canyon at O'Fallon Buick GMC. 

Taking advantage of leasing or financing deals can be a great way to get a new GMC or Buick SUV while managing your budget effectively. We offer specials on both brands on a monthly basis, which gives our customers options to get a great lease deal (sometimes at zero/$0 down) or financing deal that helps mitigate rising interest rates. Our GMC and Buick dealership provides flexible terms, competitive interest rates, and special OEM incentives that make driving a new car more accessible than ever.