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Buying a new or used vehicle is an exciting experience, and O'Fallon Buick GMC is here to make the process as smooth and enjoyable as possible. O'Fallon Buick GMC is committed to helping you find the ideal financing solution. With a wide range of options available and a team of knowledgeable experts by your side, you can feel confident in making your next vehicle purchase at our dealership.

Understanding the Car Leasing Process

Leasing a new car is an alternative to buying that allows drivers to enjoy a brand-new GMC vehicle without committing to long-term ownership. For GMC enthusiasts around Wentzville, Troy or St. Louis who want the joy of ‘trying’ multiple Buick or GMC vehicles, leasing might be the perfect option! The lease process begins with selecting a car and negotiating lease terms, which typically include the lease duration, monthly payments, mileage limits, and any upfront costs. 

For growing families seeking a premium 3-row SUV with an abundance of space and amenities, the 2025 Buick Enclave delivers in a big way. Seat your crew inside the largest Buick SUV available at O'Fallon Buick GMC.

The 2025 Buick Envista offers a premium, spacious interior that will elevate your driving experience. This compact SUV seamlessly blends comfort, technology, and style to create a cabin you'll love spending time in. Visit O'Fallon Buick GMC in O'Fallon, MO to explore the impressive Envista for yourself and see all that it has to offer.

Drivers looking for a premium SUV that delivers on style, performance, and modern amenities will want to check out the exciting new lineup of Buick SUVs. From the versatile Encore to the spacious Enclave, there's a Buick SUV perfectly suited for every lifestyle and adventure.

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 Encore GX is the smallest model in Buick's all-SUV lineup and it's also the most popular. This subcompact offers a choice of turbocharged three-cylinder engines and gives you money-saving fuel economy. With an affordable price, the Buick Encore GX is an exceptional value and it has a surprising amount of room inside. Seats are spacious for the class and the Encore GX has quite a few standard features. Here's more about the new 2025 Buick Encore GX that's available right now at O'Fallon Buick GMC in O'Fallon, MO.

Don’t Wait Until the New Year for a New Car

Last year, we offered 8 days of amazing car offers to drivers all around O’Fallon, St. Louis and beyond! This year, we’ve put our best foot forward to offer GMC and Buick enthusiasts amazing car specials before ringing in the new year. These offers are almost too good to advertise, so call us today if something in our inventory catches your eye.

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.

For those seeking the ultimate in midsize SUV luxury, look no further than the top-of-the-line 2025 GMC Acadia Denali. Here is why we think O'Fallon Buick GMC customers are sure to love the Acadia Denali.