New 2027 GMC Sierra 1500 For Sale in Lawton, OK
Southwest Buick GMC - Lawton, OK
New 2027 GMC Sierra 1500 For Sale in Lawton
The completely redesigned 2027 GMC Sierra 1500 is now at Southwest Buick GMC in Lawton with two all-new V8 engines, a class-leading 16.3-inch articulating touchscreen, and six purpose-built trim levels.
Full-Size Truck - Lawton, OK
The Most Advanced Sierra Ever Built Is Here in Lawton
The 2027 GMC Sierra 1500 is a complete ground-up redesign. Two all-new sixth-generation Small Block V8 engines debut alongside the enhanced 2.7L TurboMax and the class-exclusive 3.0L Duramax Diesel. The new cabin features more than 60 inches of combined digital display real estate.
At Southwest Buick GMC in Lawton, our team is ready to walk you through every trim, engine, and option at your own pace. Whether you need the AT4X for off-road capability, the Duramax diesel for cross-state efficiency, or the Denali Ultimate for flagship luxury, the full Sierra lineup is here.
16.3"
Articulating Center Touchscreen
4 Engines
TurboMax, Two V8s, Duramax Diesel
6 Trims
Pro Through Denali Ultimate
Six Configurations
Six 2027 GMC Sierra 1500 Trim Levels - Configured for Every Driver
The 2027 GMC Sierra 1500 launches with six purpose-built trims. SLE and SLT do not return for 2027. Every Sierra pairs with a 10-speed automatic transmission.
Pro
Work-ready foundation with the enhanced 2.7L TurboMax, 16.3-inch articulating touchscreen, wireless Apple CarPlay and Android Auto, and the new MultiPro center console that folds flat into a work surface.
Elevation
Blacked-out sport styling with an exclusive After Dark interior theme, dark exterior trim, and a distinctly aggressive presence that stands apart from the standard Sierra lineup.
Off-Road
AT4
Off-road-tuned suspension, standard underbody skid plates, hill descent control, and an exclusive Forest Storm interior with Alpine Lake accent stitching. Real off-road performance.
Extreme Off-Road
AT4X
Maximum off-road hardware, standard panoramic sunroof, exclusive Timber Mahogany interior, and available AEV Edition Package for drivers who need extreme terrain capability.
Luxury
Denali
Three exclusive interior colorways, open-pore real wood trim, available Super Cruise with Trailering, and a cabin that sets a new benchmark for full-size truck luxury.
Flagship
Denali Ultimate
The Sierra pinnacle: Stealth Black and Bright White interior, forged wood trim, standard Super Cruise with Trailering, and every available technology feature standard.
Powertrain Lineup
Four Engines. Ten-Speed Auto. One Truck Built for Every Mission.
Two all-new sixth-generation V8s join an enhanced TurboMax and class-exclusive Duramax Diesel, all with 10-speed automatic.
Standard Power
2.7L TurboMax 4-Cyl
Enhanced turbocharged 4-cylinder with improved output, paired with a 10-speed automatic for smooth and efficient everyday driving.
New Generation
5.7L Small Block V8
All-new sixth-generation small block V8 delivering improved performance and durability over the outgoing engine generation.
Maximum Power
6.6L Small Block V8
The most powerful naturally aspirated V8 in the light-duty truck class. Built for maximum towing and the heaviest hauling demands.
Best Efficiency
3.0L Duramax Diesel
Class-exclusive turbodiesel confirmed to outperform hybrid truck competitors on the highway. Best fuel efficiency in the Sierra lineup.
Over 60 Inches of Digital Displays
Command the Road With 60-Plus Inches of Digital Real Estate
The 16.3-inch articulating center display is the largest in its class, with hidden storage behind it. The 12.2-inch driver display provides real-time data, while the available 11.5-inch passenger screen lets your co-pilot enjoy independent content. An available 15-inch head-up display adds a fourth viewing layer. Super Cruise with Trailering brings hands-free highway driving and the industry's first hands-free towing to select trims.
Available Colors
2027 GMC Sierra 1500 Available Exterior Colors
Summit White
Onyx Black
Sterling Metallic
Quicksilver
Cayenne Red
Downpour Blue
Volcanic Ash
Color availability varies by trim. See dealer for complete availability.
What Lawton Customers Say
Trusted by Lawton Truck Buyers
The redesigned Denali interior is on a completely different level. The 16.3-inch screen with hidden storage behind it was something I had never seen in any truck. Absolutely blown away.
- Lawton, OK Sierra Owner
Southwest Buick GMC made the process fast and pressure-free. I walked through all six trims and found the perfect AT4 the same afternoon.
- Comanche County Driver
The Duramax diesel is exactly what I needed for pulling equipment across southwest Oklahoma. The fuel efficiency at highway speeds is remarkable.
- Southwest Buick GMC Customer
Service Department and Parts Center
Certified GMC Service and Genuine Parts for Your Sierra 1500
Buying the truck is only the beginning. Our GMC-certified service department and dedicated parts center keep your 2027 Sierra 1500 running at Professional Grade standards for as long as you own it.
Service Department
GMC-Certified Service and Maintenance
Our factory-trained technicians are equipped for every system on the redesigned 2027 Sierra, including the new sixth-generation V8 engines and the class-exclusive Duramax diesel.
- Oil, filter changes and multi-point inspections
- Duramax diesel service including DEF and fuel system
- 10-speed automatic transmission service
- Brake, suspension and 4WD system diagnostics
- Tire rotation, balancing and alignment
- Super Cruise and driver-assist camera calibration
- Battery testing and electrical diagnostics
Parts Center
Genuine GMC Parts and Sierra Accessories
We stock Genuine GMC and ACDelco parts engineered specifically for the Sierra 1500, plus the accessories that make your truck work harder.
- Genuine GMC and ACDelco replacement parts
- Bed liners, tonneau covers and bed dividers
- Assist steps and running boards
- All-weather floor liners and cargo organizers
- Trailering equipment and hitch hardware
- MultiPro tailgate accessories
- Wheels, tires and off-road AT4 components
Genuine GMC parts are engineered to factory tolerances and help protect your Sierra warranty coverage. Contact our parts department for availability and fitment on your specific trim.
Common Questions
Common Questions About the 2027 Sierra 1500
What engines are available on the 2027 GMC Sierra 1500?
Four engines are available: an enhanced 2.7L TurboMax 4-cylinder, an all-new 5.7L sixth-generation Small Block V8, an all-new 6.6L sixth-generation Small Block V8, and the class-exclusive 3.0L Duramax Turbo-Diesel. All pair with a 10-speed automatic.
What happened to the SLE and SLT trims for 2027?
GMC retired both the SLE and SLT trims for the redesigned 2027 Sierra. The six-trim lineup is now: Pro, Elevation, AT4, AT4X, Denali, and Denali Ultimate.
How large is the touchscreen in the 2027 Sierra 1500?
The 2027 Sierra features a class-leading 16.3-inch articulating center touchscreen, a 12.2-inch digital driver display, and an available 11.5-inch passenger screen - totaling more than 60 combined inches.
Where can I find a 2027 GMC Sierra 1500 in Lawton, OK?
Southwest Buick GMC in Lawton carries the full 2027 Sierra 1500 lineup. Browse online or visit our showroom to schedule a test drive.
Apply for Financing
Pre-approve online before you visit. Competitive rates, all credit types considered.
Apply NowSchedule Service
Factory-certified GMC technicians. Online scheduling. Professional Grade care every time.
Schedule NowOrder OEM Parts
Genuine GMC parts ordered through our dedicated parts center. Fast, accurate fulfillment.
Order PartsFind Your 2027 GMC Sierra 1500 in Lawton Today
Southwest Buick GMC in Lawton, OK is ready to help you find the perfect 2027 Sierra build. Professional Grade trucks, Professional Grade service.
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*Photos may not represent actual vehicle (options, colors, trim, and body styles may vary). All pricing and details are believed to be accurate; however, we do not warranty or guarantee such accuracy. The Manufacturer's Suggested Retail Price and Southwest Price includes $499 doc fee and excludes tax, title, license, dealer fees, optional equipment, and non-optional equipment. Specifications, descriptions, pricing, and equipment are subject to change without notice. Dealer sets final price. Call or email for complete information. MPG is calculated by EPA estimate. Actual mileage may vary.
The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.