Sierra 1500
NEW GMC SIERRA 1500 VEHICLES FOR SALE
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MPG estimates on this website are EPA estimates; your actual mileage may vary. For used vehicles, MPG estimates are EPA estimates for the vehicle when it was new. The EPA periodically modifies its MPG calculation methodology; all MPG estimates are based on the methodology in effect when the vehicles were new (please see the Fuel Economy portion of the EPA's website for details, including a MPG recalculation tool).
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.
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Dominate Missouri Roads with the 2025 GMC Sierra 1500
Looking for a truck that combines luxury with raw power? The 2025 GMC Sierra 1500 for sale at Sapaugh Country GMC is ready to exceed expectations. Whether you're hauling supplies across Jefferson County or tailgating at Busch Stadium, the Sierra is equipped to tackle every task with style and precision. Packed with cutting-edge tech, a refined interior, and uncompromising capability, this truck is built to handle anything life throws your way. Swing by today to experience the GMC difference!
2025 GMC Sierra 1500 Trims for Every Lifestyle
No matter what your priorities are—rugged performance, top-tier luxury, or a balanced mix—the 2025 GMC Sierra 1500 lineup has you covered. Each trim offers a unique set of features to cater to your needs, whether you're hauling heavy loads or heading out for a night on the town near the Gateway Arch.
GMC Sierra 1500 Trims:
- Pro
- Built for those who need a dependable partner for tough jobs, the Sierra Pro delivers impressive performance with essential features designed for work without distractions. Perfect for your busiest days on and off the road.
- SLE
- Adding style and connectivity to the mix, the Sierra SLE offers intuitive tech, an enhanced interior, and versatile functionality for those who refuse to compromise between work and play.
- SLT
- Step up to the Sierra SLT for a more premium experience, with upgraded materials, advanced safety features, and enhanced performance that make even a simple drive down Route 66 feel special.
- Denali
- For those who demand nothing but the best, the Sierra Denali delivers unparalleled luxury and refinement. This trim features premium interiors, exclusive styling, and a suite of advanced technologies to elevate every journey.
- AT4
- Ready to explore the wild? The Sierra AT4 is built for adventure, with off-road capabilities, rugged design features, and innovative tech to conquer trails and backroads with ease.

| Feature | Pro | SLE | SLT | Denali | AT4 |
|---|---|---|---|---|---|
| Engine | 2.7L Turbo | 5.3L V8 | 6.2L V8 |
5.3L V8 | 5.3L V8 |
| Horsepower | 310 hp | 355 hp | 420 hp | 420 hp | 420 hp |
| Drivetrain | FWD | FWD | FWD | FWD | FWD |
| MPG (City/Highway) | 17/19 | 17/19 | 15/19 | 15/19 | 22/26 |
| Wheels | 17 inch | 20 inch | 22 inch | 22 inch | 20 inch |
| Seating | Cloth | Cloth | Cloth | Leather | Leather |
| Touchscreen Display | 13.4 inch | 13.4 inch | 13.4 inch | 13.4 inch | 13.4 inch |

Designed to Impress Inside and Out
Step into the 2025 GMC Sierra 1500, and you’re greeted with a cabin that prioritizes comfort and functionality. With high-end materials, spacious seating, and intuitive controls, every detail has been meticulously crafted to enhance your driving experience. Available features like wireless charging, a Bose premium sound system, and a customizable driver information display make every trip from Arnold to Forest Park a pleasure.
Outside, the Sierra 1500 commands attention with its bold grille, sculpted lines, and striking LED lighting. Whether you're cruising through St. Louis or parked at the Missouri Botanical Garden, the Sierra turns heads at every corner.
Performance That Works As Hard As You Do
The 2025 GMC Sierra 1500 for sale offers a range of powerful engine options to suit any task. From the fuel-efficient 2.7L Turbo High-Output to the mighty 6.2L V8, there’s a powertrain for every need. Need to tow a camper to Mark Twain National Forest? The Sierra 1500 can handle it with ease, thanks to a maximum towing capacity of up to 13,200 lbs. For added confidence, features like the ProGrade Trailering System make every haul more manageable and stress-free.


Cutting-Edge Technology for Every Drive
Staying connected has never been easier. The 2025 GMC Sierra 1500 features a state-of-the-art infotainment system with a vibrant touchscreen, wireless Apple CarPlay® and Android Auto™, and built-in Amazon Alexa compatibility. Keep tabs on your trailer with the available 15-camera surround-view system, or let the Sierra’s advanced navigation guide you to your next adventure.
On long road trips, you’ll appreciate features like adaptive cruise control, a head-up display, and the available Super Cruise™ hands-free driving system—perfect for those stretches of I-55 heading out of St. Louis.
Safety and Dependability You Can Trust
GMC takes safety seriously, and the 2025 Sierra is no exception. Loaded with driver-assistance features like forward collision alert, automatic emergency braking, and rear cross-traffic alert, this truck is designed to keep you and your passengers safe on every journey. With its strong build and advanced engineering, the Sierra delivers confidence whether you’re navigating downtown traffic or heading into the Ozarks.
For long-term peace of mind, the Sierra’s renowned durability ensures it’s ready for years of reliable performance.

Sierra 1500 Capability Meets Everyday Practicality
Need a truck that works as hard as you do? The 2025 GMC Sierra 1500 combines power with practical features like a MultiPro™ Tailgate, which transforms your truck bed into a versatile workspace. Hauling gear to a weekend project? The Sierra’s spacious bed and available carbon-fiber composite materials are built to handle the toughest loads.
Buy a 2025 GMC Sierra 1500 Near St. Louis, MO
The 2025 GMC Sierra 1500 for sale is more than just a truck—it’s a partner that’s ready to take on whatever challenges come your way. Whether you’re towing, commuting, or exploring Missouri’s beautiful landscapes, the Sierra offers the perfect balance of power, luxury, and capability.
Visit Sapaugh Country GMC in Sapaugh, MO, to test drive your future Sierra. Our team is here to help you find the right trim, explore financing options, and get you behind the wheel of your dream truck today.
FAQs
How much can the 2025 GMC Sierra 1500 tow?
Depending on the configuration, the Sierra can tow up to 13,200 lbs, making it ideal for heavy-duty tasks.
Does the GMC Sierra 1500 offer off-road features?
Yes, the AT4 trim is specifically designed for off-road adventures with features like skid plates, off-road suspension, and all-terrain tires.
What’s new in the 2025 GMC Sierra 1500?
The latest Sierra introduces enhanced tech features, updated styling, and improved towing capabilities to deliver an even better driving experience.
Where can I find the 2025 GMC Sierra 1500 near St. Louis?
Sapaugh Country GMC is conveniently located near St. Louis and serves Festus, Arnold, and the surrounding areas.
Upgrade your drive today with the 2025 GMC Sierra 1500—Missouri roads have never looked so good.