Check Out Our New Buick and GMC Inventory at O'Fallon Buick GMC in O'Fallon, MO

New GMCs for Sale Near St. Peters, MO

  • 2022 GMC Sierra 1500 Elevation Truck: With a 2.7 liter turbo high-output engine, 10-speed automatic transmission, and extra cabin head and leg room, the 2022 GMC Sierra 1500 Elevation Truck is committed to getting you where you're going with power and comfort.
  • 2023 GMC Sierra 1500 SLT Truck: The 2023 GMC Sierra 1500 SLT Truck features stylish, polished aluminum wheels, a 13.4-inch touch-screen to keep you connected, and available heated seats. Also available in even larger GMC Sierra 2500 and 3500 models.
  • 2023 GMC Acadia: The 2023 GMC Acadia, available in the St. Louis, MO, area, comes armed with thundering multi-speaker audio systems, robust and capable wheels, and maximized traction to fit all your driving needs.
  • 2023 GMC Terrain Denali SUV: The 2023 GMC Terrain Denali SUV features fast-acting collision alert, a fuel-reducing traction system, and roomy 40.9-inch front leg room.
  • 2023 GMC Terrain SLE SUV: The 2023 GMC Terrain SLE SUV comes equipped with LED headlamps and taillamps in the iconic GMC shape, fuel-efficient drive modes, and genuine aluminum trim.
  • 2023 GMC Terrain AT4 SUV: With a 1.5-liter turbocharged engine, a reliable front skid plate, and durable Goodyear Sport terrain tires, the 2023 GMC Terrain AT4 SUV always ensures that you'll always get where you're going.
  • 2023 GMC Savana 2500: The 2023 GMC Savana 2500, for sale near St. Charles, MO, is a roomy and capable van with an impressive 283.6 cubic feet of cargo space and 10,000 pounds weight capacity. Also available in the even roomier 3500 model.
  • 2023 GMC Yukon: The seven-passenger 2023 GMC Yukon features an eye-grabbing grille, a powerful hitch, and hands-free lane changing.

New Buicks for Sale in the Chesterfield, MO Area

  •  2023 Buick Encore GX Select SUV: Armed with HD Surround Vision to ensure peace of mind while on the road, robust all-wheel drive, and a new Stabilitrek feature employed to reduce slippage, the 2023 Buick Encore GX Select SUV safely ensures a powerful ride.
  • 2023 Buick Enclave Premium SUV: With convenient hands-free power liftgate, available massage-seats, and an impressive towing capability up to 5,000 pounds, the 2023 Buick Enclave Premium SUV is designed to help you ride in comfort and power.

Book Your Test Drive in O'Fallon Today

If you're looking to own your very own brand new GMC or Buick, stop what you're doing and check out our lease specials and deals so you can get to ordering your vehicle. You can also visit our showroom to check out our featured vehicles for yourself.