At Southwest Buick GMC in Lawton, we know trucks aren’t just about horsepower—they’re about trust. Whether you’re hauling equipment across Comanche County, navigating red dirt trails, or cruising down Cache Road, the 2026 GMC Sierra 1500 is engineered to handle it all with confidence, comfort, and cutting-edge tech.
This isn’t just a refresh—it’s a bold evolution of one of America’s most capable full-size pickups.
What’s New in the 2026 GMC Sierra 1500?
The 2026 Sierra 1500 builds on GMC’s reputation for premium capability with several key updates that make this year’s model smarter, tougher, and more refined than ever:
- Updated Front-End Styling: Refreshed grille designs and LED lighting signatures across trims give the Sierra a bolder, more modern look.
- Expanded Super Cruise® Availability: GMC’s hands-free driving system is now available on more trims, including Denali and Denali Ultimate, with automatic lane change and curve speed assist.
- Enhanced Trailering Tech: The ProGrade® Trailering System now includes trailer tire pressure monitoring and expanded camera views for easier hitching and towing.
- New Interior Materials: Premium trims feature upgraded leather, wood, and metal accents for a more luxurious cabin feel.
- Improved Infotainment Experience: The 13.4-inch touchscreen now supports Google built-in, including Google Maps, Assistant, and Play Store, alongside wireless Apple CarPlay® and Android Auto™.
- AT4X Refinements: The off-road-focused AT4X trim receives upgraded Multimatic DSSV dampers and improved underbody protection for even more trail capability.
These updates make the 2026 Sierra 1500 a standout choice for Oklahoma drivers who want cutting-edge tech without sacrificing the rugged utility they depend on.
Powertrain Options That Match Your Work Ethic
The 2026 Sierra 1500 offers four distinct engine choices, each designed to meet the demands of Oklahoma drivers:
- TurboMax® 2.7L I4: Standard on Pro and SLE trims, delivering strong torque and fuel efficiency with an 8-speed automatic transmission.
- 5.3L V8: Available on Elevation and SLT, offering classic V8 muscle with a 10-speed automatic.
- 6.2L V8: Standard on Denali Ultimate and AT4X, producing 420 horsepower and 460 lb-ft of torque—ideal for towing and off-road power.
- Duramax® 3.0L Turbo-Diesel I6: Available across multiple trims, offering up to 13,300 lbs. of max towing with smooth diesel torque and long-haul efficiency.
Whether you’re towing a trailer to Lake Lawtonka or hauling gear to the job site, the Sierra’s engine lineup gives you the strength and control you need.
Read the rest of this entry »The 2026 Buick Encore GX brings fresh style, smart technology, and refined versatility to the subcompact SUV market. Designed for drivers who want a balance of sophistication and practicality, this SUV is equally at home on daily commutes, weekend getaways, or road trips through Oklahoma. With its bold design, advanced infotainment, and dependable safety features, the Encore GX continues to set the standard for Buick’s compact SUV lineup.
Design That Makes a Statement
Every 2026 Encore GX trim blends premium craftsmanship with distinctive styling:
- Preferred: A sleek entry point with Buick’s signature grille and modern design elements.
- Sport Touring (ST): Adds a bolder, athletic edge with a black mesh grille featuring ST badging and 18-inch High Gloss Black aluminum wheels with red inserts.
- Avenir: The pinnacle of luxury, offering 19-inch Pearl Nickel aluminum wheels, quilted perforated leather-appointed seats, embroidered headrests, and exclusive interior trim accents.
Whether you prefer sporty or elegant, each trim makes a confident impression while keeping everyday practicality in mind.
Comfort and Space
Inside the Encore GX, thoughtful design meets flexibility. The 40/60 split-folding rear seat and available flat-folding front-passenger seatback make it easy to create extra room for gear, groceries, or luggage. With the rear seats folded, the Encore GX provides up to 40.5 cu. ft. of cargo space, ensuring you have room for everything from road trip essentials to weekend shopping hauls.
Premium touches like available quilted leather, soft-touch materials, and customizable ambient lighting add refinement, especially in the Avenir trim.
Read the rest of this entry »From morning errands to weekend road trips, the 2025 Buick Envista adapts to whatever the day demands. With its versatile interior, bold style, and advanced connectivity, it blends practicality and comfort for every type of journey.
Bold Exterior Design
Envista’s sleek design makes it stand out on any street. Its coupe-inspired silhouette features a sloping roofline, sculpted body, and bold grille. Its signature check-shaped LED daytime running lamps add to its modern appeal. Each trim gets its own stylish wheels to further set it apart: 17-inch Bright Silver for the Preferred, 18-inch Black for the Sport Touring, and 19-inch Pear Nickel for the Avenir. Color options include Ocean Blue Metallic, Cinnabar Metallic, and Copper Ice Metallic.
For a more aggressive vibe, the Sport Touring features gloss black mirror caps and bodyside moldings, along with a sport-inspired mesh grille.
Read the rest of this entry »Premium Design in the 2025 Buick Envision
The 2025 Buick Envision boasts premium design, inside and out. First-class seating, an expansive screen, and attractive styling ensure this is a vehicle not to be missed.
2025 Buick Envision: A Stylish and Tech-Savvy Compact SUV
Optimized Infotainment
The first feature you may notice inside the Envision is the Ultrawide 30-inch screen. This vast touchscreen displays the instrument cluster for the driver along with a full suite of infotainment features. The screen is configurable, so you can arrange it to meet your needs.
You’ll also get a Head-Up Display (HUD) as standard, allowing you to see important information without taking your eyes off the road. For your cell phone and other devices, there’s a Wi-Fi hotspot, ensuring you get a clear internet signal wherever you go.
Read the rest of this entry »Buick Enclave: Advanced Technology Features Overview
Driving the 2025 Buick Enclave isn’t just about getting from point A to point B—it’s about experiencing a smarter, quieter, and more intuitive journey. This premium midsize SUV blends cutting-edge technology with refined design, offering features that elevate every drive through Lawton and beyond.
QuietTuning®: Serenity in Motion
Buick’s signature QuietTuning® technology is standard across the 2025 Enclave lineup. It uses:
- Acoustic laminated glass
- Active Noise Cancellation
- Enhanced cabin insulation
Together, these elements create a tranquil interior that minimizes road and wind noise, making conversations clearer and music more immersive.
30-Inch Ultrawide Display: Class-Leading Visuals
The Enclave features a 30-inch diagonal curved display—the largest in its class. This expansive screen merges the digital gauge cluster and infotainment system into one seamless interface. With Google built-in, you can:
- Access Google Maps, Assistant, and Play Store
- Customize layouts for quick access to apps and vehicle settings
- Enjoy wireless Apple CarPlay® and Android Auto™
5G Connectivity & Wi-Fi Hotspot
Stay connected with 5G vehicle connectivity, which enhances:
- In-vehicle Wi-Fi performance
- Real-time navigation updates
- Faster software downloads and cloud communication
Whether you’re streaming music or updating maps, the Enclave keeps you in sync with your digital life.
OnStar® One Essentials: Safety Meets Convenience
Every 2025 Enclave includes 8 years of OnStar® Basics, which provides:
- Automatic Crash Response
- Remote vehicle commands
- Built-in voice assistants (Google & Alexa)
- Navigation apps like Waze and Maps+
Super Cruise-equipped models also receive 3 years of premium OnStar services, including unlimited data and Stolen Vehicle Assistance.
Adaptive Cruise Control & Available Super Cruise®
Standard Adaptive Cruise Control uses radar and cameras to maintain a safe following distance, adjusting speed automatically. For a truly hands-free experience, opt for the Super Cruise® Package, which adds:
- Lane Change on Demand
- Driver Attention Assist
- Enhanced Automatic Parking Assist
Super Cruise is available on all trims—the first time Buick has offered this technology across an entire model lineup.
Test Drive the 2025 Buick Enclave in Lawton, OK
From its whisper-quiet cabin to its intelligent driving features, the 2025 Enclave is built for those who expect more from their SUV. Visit SouthWest Buick GMC of Lawton to explore the Enclave in person and experience its technology firsthand.
The 2025 GMC HUMMER EV SUV redefines what it means to go electric—with brute strength, futuristic tech, and trail-conquering capability. This isn’t just an SUV; it’s a statement. Whether you’re navigating Lawton’s city streets or venturing into Oklahoma’s rugged backcountry, the HUMMER EV SUV delivers a thrilling, zero-emissions experience.
Trim Breakdown: 2X vs. 3X
HUMMER EV SUV 2X
- Powertrain: Dual Ultium Drive motors (one front, one rear)
- Output: 570 horsepower and up to 7,400 lb-ft of torque (GM-estimated)
- Range: Up to 315 miles on a full charge
- Charging: 300-kW DC Fast Charging adds ~100 miles in ~10 minutes
Key Features:
- CrabWalk™: Four-wheel steering enables diagonal movement for tight trails or parking spots
- Adaptive Air Ride Suspension: Raises the vehicle up to 6 inches in Extract Mode for obstacle clearance
- Drive Modes: Five selectable modes including Off-Road, Terrain, and My Mode
- Interior Comfort: Heated/ventilated front seats, heated rear seats, tri-zone climate control, and a heated steering wheel
- Cargo Space: 35.9 cu. ft. behind second row; 81.8 cu. ft. with seats folded
HUMMER EV SUV 3X
- Powertrain: Tri-motor setup (one front, two rear)
- Output: 830 horsepower and up to 11,500 lb-ft of torque (GM-estimated)
- Acceleration: 0–60 mph in ~3.5 seconds using Watts to Freedom mode
- Range: Up to 312 miles
Shared Features with 2X:
- 13.4-inch GMC Premium Infotainment System with Google built-in
- Wireless Apple CarPlay & Android Auto
- Bose 14-speaker Surround with CenterPoint® audio
- Super Cruise™ hands-free driving on over 400,000 miles of compatible roads
- Enhanced Automatic Parking Assist, Rear Cross Traffic Alert, and Adaptive Cruise Control
Design That Dares
The HUMMER EV SUV’s Infinity Roof with modular Sky Panels offers an open-air experience. Choose between opaque or transparent panels, both stowable in the front eTrunk. The bold exterior is matched by interior themes like Lunar Horizon and Lunar Shadow, featuring Tech Bronze accents and topographical dashboard patterns.
Built for Adventure, Inside and Out
- Off-Road Capability: Optional Extreme Off-Road Package adds 35″ MT tires, underbody armor, and locking differentials
- Interior Utility: Rubberized flooring, durable synthetic upholstery, and concealed storage compartments
- Safety First: Includes HD Surround Vision, trailer blind-spot monitoring, and front pedestrian braking
Experience the HUMMER EV SUV in Lawton, OK
Whether you crave the balanced capability of the 2X or the raw power of the 3X, the 2025 HUMMER EV SUV is ready to electrify your adventures. Visit SouthWest Buick GMC of Lawton to explore inventory, schedule a test drive, and see how electric can be exhilarating.
Made for growing families, the 2025 GMC Acadia offers ample passenger space and a cargo area that can fit large loads even with all seats in place. Its powerful powertrain is exceptional on and off the road, taking you wherever the day may lead.
2025 GMC Acadia Performance
Whether your family is into road trips or off-roading, the new Acadia can power all your adventures. This SUV’s pulsing heart is a 328-hp 2.5L turbo engine that provides 326 lb-ft of torque. This kind of power provides spirited acceleration, smooth handling on and off the road, and plenty of torque in challenging driving conditions. The standard front-wheel drive and a fuel economy of 27 MPG on highways make the Acadia perfect for road trips.
For added cargo capacity, the entry Elevation trim includes the Trailering Package with 5,000 lbs of towing capacity. All-wheel drive is available across all trims and standard on the adventure-ready AT4. This trim level boasts a lifted ride height for added ground clearance, off-road-tuned suspensions, and 18-inch wheels with all-terrain tires.
Luxe Interior Features
The 2025 Acadia is designed for comfortable rides, providing roomy space for passengers in all three rows and plenty of amenities. With lots of cubbies and door pockets throughout the cabin, each rider can stow away their loose items and essentials. Behind the third row, 23.0 cubic feet of cargo capacity can fit up to 12 carry-on suitcases, and you can expand the cargo area up to 97.5 cubic feet behind the front seats.
This SUV features standard seating for eight, but a seven-seat layout with second-row captain’s chairs is available. At the front, an 8-way power-adjustable driver’s seat with 4-way lumbar support adjustments allows you to customize comfort. Premium materials, such as CoreTec seat trims, are standard across the lineup, giving an upscale look to the cabin.
Tech and Driver Assistance
GMC equips the new Acadia with contemporary technologies, including a 15-inch GMC Premium Infotainment System with Google built-in. This system provides each driver with a personalized user experience, allowing you to customize the interface with your favorite apps and connect your smartphone for easy communication. Standard voice commands make it easy to access the various functions or answer your phone without distractions.
Driver assistance technologies are also plentiful and include a Teen Driver suite that limits specific vehicle functions and activates certain safety systems to encourage safe driving habits in teens and new drivers. This system provides in-vehicle report cards to help you monitor performance. GMC’s Super Cruise hands-free driving technology is available across all trims.
If you’re ready to discover all these features yourself, visit us at SouthWest Buick GMC of Lawton in Lawton, OK to take the 2025 Acadia for a test drive.
Anyone looking for a premium compact SUV should strongly consider the 2025 Buick Envision. From its upscale materials to its advanced technologies, there are many unique features that make it a top contender in its class.
1. Great Traction and Handling
The Envision has all-wheel drive and comes with a 2.0L Turbo ECOTEC 4-cylinder engine that gives 228 horsepower, facilitating excellent handling in various road conditions. It also comes with Driver Shift Control, which lets you shift the automatic transmission in a way similar to a manual transmission.
2. High-End Interior
Ebony black seats with interior accents and a perforated leatherette seat trim come with the base model, as does the leather-wrapped, flat-bottom steering wheel. The available heated front seats and heated steering wheel are ideal for driving in cold weather. The Avenir trim also comes with driver massage seat controls that help alleviate driver fatigue on long trips.
The available dual-zone climate control and air quality sensor help you keep the cabin air clean and at a comfortable temperature. The rearview mirror also automatically dims when it detects a bright light behind you.
3. Modern Infotainment System
The Envision boasts a 30″ diagonal screen, which is the largest in its class. It can connect wirelessly to your phone and is compatible with Apple CarPlay and Android Auto. You also get a trial subscription to SiriusXM, which offers all kinds of entertainment, from comedy and news to podcasts and music.
All trims come with a Bose 9-speaker premium audio system that offers pristine sound quality. Wireless smartphone charging and two USB ports help you stay charged up and connected while driving.
4. Ample Driver-Assistance Technology
Buick’s suite of driver-assistance technologies makes the Envision a joy to drive. HD Surround Vision is standard on all trims and facilitates selectable camera views of the SUV’s surrounding area that can help you avoid collisions when parking.
Enhanced automatic emergency braking uses radar and camera technology to mitigate or avoid collisions with vehicles ahead of you by hard braking if a pending collision is detected. 8 years of access to OnStar Basics is also included on all Envisions, which features navigation with real-time traffic and automatic crash response.
5. Fuel Efficient
The Envision is highly fuel efficient for its class, getting an estimated 22 MPG in the city and 28 MPG on the highway. With its 16.1-gallon fuel tank capacity, it achieves a range of 451 miles on the highway, making it ideal for long road trips.
With its pragmatic performance and high-end touches, the Envision embodies the ideal compact SUV. Interested in a test drive? Contact SouthWest Buick GMC of Lawton and we’ll book you in! We proudly serve Buick drivers from Altus, Chickasha, and Oklahoma City!
At SouthWest GMC, we understand that your GMC SUV is more than just a vehicle—it’s a reliable companion for work, family, and adventure. That’s why our commitment to GMC SUV service in Lawton, OK goes beyond routine maintenance. We offer expert care that keeps your SUV running at peak performance, ensuring safety, longevity, and driving confidence on every journey.
Comprehensive GMC SUV Service Tailored to Your Vehicle
Our certified technicians specialize in servicing GMC SUVs, equipped with advanced tools and genuine OEM parts to meet the precise requirements of your model. Whether you own a Terrain, Acadia, or Yukon, our team is trained to deliver meticulous inspections and repairs.
- Full multi-point vehicle inspections to catch potential issues early
- Engine diagnostics and performance tuning to maximize power and efficiency
- Brake system checks and replacements ensuring reliable stopping power
- Tire rotations and alignments for smooth handling and extended tire life
- Fluid replacements, including oil, coolant, and transmission fluids, essential for optimal SUV health
We focus on preventative maintenance to help you avoid costly repairs and keep your GMC SUV running smoothly for miles to come.
Finding quality used cars Lawton OK can feel overwhelming, but SouthWest GMC makes it simple and rewarding. Our dealership offers a wide range of reliable, affordable pre-owned vehicles to fit every budget and lifestyle. Whether you’re searching for a practical daily driver, a rugged GMC truck, or a spacious Buick SUV, our inventory delivers unmatched value and quality for Lawton area drivers.
Extensive Selection of Used Vehicles for Every Need
At SouthWest GMC, we maintain a diverse inventory of used cars, trucks, and SUVs to ensure our customers have access to the right vehicle. From fuel-efficient sedans to powerful pickups, our lineup covers a variety of makes, models, and trims.
- Used GMC Trucks: Durable and dependable models like the Sierra and Canyon, ready to handle work or weekend adventures.
- Used Buick SUVs: Comfortable, feature-rich options including the Encore, Envision, and Enclave, perfect for families and commuters.
- Affordable Sedans and Crossovers: Versatile vehicles ideal for city driving or long-distance trips.
Each vehicle in our used car inventory undergoes a comprehensive inspection to guarantee safety and reliability. We prioritize offering quality vehicles that provide peace of mind with every mile.
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