New Buick & GMC Cars for Sale in St Peters, MO
If you're ready to explore a great selection of new Buick and GMC vehicles in St. Peters, Missouri, Suntrup Buick GMC is your local destination. We carry a wide range of new cars, SUVs, and trucks from two of the most trusted names in the industry — all backed by straightforward pricing, flexible financing, and a commitment to customer care that's defined us for more than six decades. Whether you're drawn to the refined comfort of a new Buick or the capable versatility of a new GMC, our team is here to help you find the right fit at a price that's clear from the start.
May not represent actual vehicle. (Options, colors, trim and body style may vary)
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
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New Buick and GMC Models at Suntrup
We stock a broad inventory of new Buick and GMC models at Suntrup Buick GMC, making it easy to find exactly what you're looking for right here in St. Peters. From compact crossovers to full-size trucks, our lot covers a wide range of needs and budgets. Use our new model research tools to compare trims, explore features, and narrow down your options before you ever set foot on the lot.
Buick Models Available Now
Our Buick lineup brings together style and sophistication in a package that's designed for everyday comfort. The Buick Envista is a smart pick for drivers who want an efficient, well-appointed compact SUV. Step up to the Buick Envision for a bit more space and a longer list of available luxury features. If you're looking for something with a bolder stance, the Buick Encore GX delivers a sporty presence along with the refined ride quality Buick is known for. Stop by and let us walk you through what's currently in stock.
GMC Models Available Now
GMC brings serious capability to every segment we carry. The GMC Sierra 1500 is a full-size pickup built for drivers who need real towing and hauling capacity without giving up comfort. The GMC Acadia is a versatile three-row SUV that works well for families and road trips alike. For a compact option with a confident look, the GMC Terrain fits the bill. Browse our current model research hub to dig into specs, available packages, and trim comparisons across the full GMC lineup.
Why Buy From Suntrup Buick GMC in St. Peters
We know you have choices when it comes to buying a new Buick or GMC in the St. Peters area, and we think our dealership earns the business. From transparent pricing to long-term ownership programs, here's what sets us apart.
Transparent Pricing - No Hidden Fees
One of the biggest frustrations in car buying is getting to the finance office and finding a bill full of charges you didn't expect. We've eliminated that entirely. At Suntrup, we charge no dealer fees, no admin fees, no doc fees, and no hidden add-ons. The price you see is the price you pay — only taxes and state fees apply. It's that simple, and we think it's the way it should work. Read our customer reviews to hear how our buyers have experienced this difference firsthand.
Lifetime Powertrain Loyalty Program
When you purchase a new vehicle from us, you're also enrolled in our Lifetime Powertrain Loyalty Program. For the first two years, you receive free maintenance through five Works Packages, which include synthetic blend oil changes, tire rotations, and multi-point inspections — all included at no additional cost. Beyond the first two years, the lifetime powertrain program continues to provide long-term value and protection for as long as you own the vehicle. It's our way of standing behind every sale and making sure your investment goes the distance.
Over 60 Years Serving the St. Peters Area
We've been part of this community for over 60 years, which means we have deep roots in St. Peters and the surrounding Missouri area. That kind of longevity doesn't come by accident — it comes from treating customers the way you'd want to be treated. Our team is made up of people who genuinely care about helping you find the right vehicle, and our about us page tells the full story of how we got here. Come see what a dealership built on decades of trust feels like in person.
Explore Financing Options
Getting behind the wheel of a new Buick or GMC is easier when you have financing that works for your situation. Our finance center is designed to make the process straightforward, whether you're a first-time buyer or trading up from your current vehicle. We work with a wide range of lenders and credit profiles to find flexible financing that fits your budget.
Apply Online and Get Pre-Approved
You can get a head start before you visit us. Fill out our secure online form to apply for financing or get pre-qualified with Capital One from the comfort of home. Knowing where you stand before you arrive saves time and helps you shop with confidence. If you'd like to know your buying power based on your credit profile, we have a tool for that too. And if you have a vehicle to trade, find out what it's worth using our trade-in value estimator.
Estimate Your Monthly Payment
Not sure how a new purchase fits into your monthly budget? Our online payment calculator lets you estimate your monthly payment by entering the vehicle price, down payment, loan term, and interest rate. It's a quick way to get a realistic picture of what you'd be looking at each month. Once you're ready to talk numbers in person, give us a call at 636-936-9794 or stop by our dealership at 4200 N Service Rd, St Peters, MO 63376. Our hours and directions page has everything you need to plan your visit.
Frequently Asked Questions
What New Buick Models Are Available in St. Peters, MO?
We currently carry several new Buick models at our St. Peters dealership, including the Buick Envista, Buick Envision, and Buick Encore GX. Inventory changes regularly, so the best way to see what's in stock is to browse online or call us at 636-936-9794.
Does Suntrup Buick GMC Charge Dealer Fees?
No. We charge no dealer fees, no admin fees, no doc fees, and no hidden add-ons. You only pay the advertised price plus applicable taxes and state fees. We believe in a transparent buying experience where the price you see is the price you pay.
What Is the Lifetime Powertrain Loyalty Program?
The Lifetime Powertrain Loyalty Program is an exclusive benefit for new vehicle buyers at Suntrup. It includes two years of free maintenance (five Works Packages covering synthetic blend oil changes, tire rotations, and multi-point inspections) plus lifetime powertrain protection to support your long-term ownership. Visit our loyalty program page for full details or ask a member of our team during your visit.
Can I Trade In My Current Vehicle?
Yes — we accept trade-ins and make the process easy. Use our online trade-in value tool to get an estimate before you arrive, then bring your vehicle in and we'll work it into your deal. There are no hidden deductions or surprise adjustments. We also carry a great selection of used vehicles if you'd like to apply your trade toward a pre-owned option.