O'Fallon Buick GMC provides a selection of Featured Inventory, representing new and popular items at competitive prices. Please take a moment to investigate these current highlighted models, hand-picked from our ever-changing inventories!
2026 GMC Sierra 1500 Pro Truck

2026 GMC Sierra 1500 Pro

Engine: 5.3L EcoTec3 V8 engine, Transmission: Automatic, Exterior Color: Onyx Black, Interior Color: Jet Black, Cloth seat trim
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2026 GMC Acadia Elevation SUV

2026 GMC Acadia Elevation

Engine: 2.5L Turbo engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: After Dark, Cloth seat trim
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2026 GMC Sierra EV Elevation Extended Range Truck

2026 GMC Sierra EV Elevation Extended Range

Engine: Engine, none, Transmission: N/A, Exterior Color: Summit White, Interior Color: After Dark (Black), CoreTec seat trim
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2026 GMC Sierra 2500 HD SLE Truck

2026 GMC Sierra 2500 HD SLE

Engine: 6.6L V8 Gas engine, Transmission: Automatic, Exterior Color: Sterling Metallic, Interior Color: Jet Black, Cloth seat trim
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2026 Buick Envista Preferred SUV

2026 Buick Envista Preferred

Engine: 1.2L ECOTEC Turbo engine, Transmission: Automatic, Exterior Color: Ocean Blue Metallic, Interior Color: Ebony seats and interior, Cloth with Leatherette s
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*All pricing and details are believed to be accurate, but we do not warrant or guarantee such accuracy. Vehicle information is based off standard equipment and may vary from vehicle to vehicle. Call or email for complete vehicle information. Prices do not include additional fees and costs of closing, including government fees and taxes, any finance charges, $599 dealer documentation fee, any emissions testing fees, other fees required by law, vehicle sellers or lending organizations or other fees. All prices, specifications and availability subject to change without notice.  

While every effort has been made to ensure display of accurate data, the vehicle listings within this website may not reflect all accurate vehicle items, accessories and color may vary. All inventory listed is subject prior to sale. The vehicle photo displayed may be an example only. Vehicle Photos may not match exact vehicles. Please confirm the vehicle price with Dealership. See Dealership for details.
Disclaimer: The Manufacturer’s Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.

1Dealer Discount applied to everyone