New 2027 GMC Sierra 1500 For Sale Near Frederick, OK
Southwest Buick GMC - Serving Frederick, OK
New 2027 GMC Sierra 1500 For Sale Near Frederick, OK
Frederick and Tillman County truck buyers choose Southwest Buick GMC for the redesigned 2027 GMC Sierra 1500 - two new V8 engines, a class-exclusive diesel, and a cabin with over 60 inches of digital displays.
16.3"
Center Screen
4
Engine Choices
6
Trim Levels
10spd
Automatic Trans.
Complete Trim Lineup
Every 2027 GMC Sierra 1500 Trim - What You Get at Each Level
From the work-grade Pro to the Denali Ultimate pinnacle, six purpose-driven configurations replace the former SLE and SLT trims for 2027.
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.
Your Tillman County Sierra Dealer
Built for Oklahoma Work. Engineered for Every Mile.
The all-new 6.6L V8 is the most powerful naturally aspirated V8 in the light-duty truck class. For Frederick and Tillman County drivers who depend on their truck for farm and field work, this is a meaningful upgrade. The Duramax diesel continues as the fuel efficiency leader, confirmed to outperform hybrid truck competitors on Oklahoma highways.
Southwest Buick GMC is committed to serving rural Oklahoma communities with transparent pricing and a buying experience built on honest communication. We understand every customer has specific work requirements, and we take the time to match the right Sierra trim and engine to those exact needs.
Browse our 2027 Sierra inventory online and apply for financing before your visit.
Powertrain Options
Four Powertrain Options for 2027
All four engines pair with a 10-speed automatic and are available in 2WD or 4WD configurations.
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.
Cabin Technology
The Most Advanced Sierra Cabin in Brand History
The 16.3-inch articulating center display is the largest in its class, with a hidden storage compartment behind it. A 12.2-inch digital driver display and available 11.5-inch passenger screen together give the Sierra more than 60 inches of digital real estate. An available 15-inch head-up display adds a fourth viewing layer. Super Cruise with Trailering is available for hands-free highway driving with the industry's first hands-free towing technology.
Exterior Finishes
Available 2027 Sierra 1500 Exterior Finishes
Summit White
Onyx Black
Sterling Metallic
Quicksilver
Cayenne Red
Downpour Blue
Volcanic Ash
Color availability varies by trim. See dealer for complete color and package availability.
Frederick Area Customer Reviews
Trusted by Tillman County Truck Buyers
The 6.6L V8 delivers everything I expected and more. This engine has the pulling power I need for my equipment trailer - and the 16.3-inch screen in the cab is a genuinely different experience.
- Frederick, OK Truck Owner
Southwest Buick GMC understood exactly what I needed and never tried to oversell me. Honest dealership that serves rural Oklahoma the right way. Will recommend to everyone.
- Tillman County, OK Driver
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.
Frequently Asked
Frequently Asked Questions - 2027 GMC Sierra 1500
What makes the new 6.6L V8 special on the 2027 Sierra?
The 6.6L is an all-new sixth-generation Small Block V8, designed to be the most powerful naturally aspirated V8 in the light-duty truck class. It pairs with a 10-speed automatic transmission.
Can I get the 2027 Sierra in 2WD or 4WD?
Yes. The 2027 Sierra 1500 is available in both two-wheel drive and four-wheel drive configurations across all trim levels, giving buyers the flexibility to match drivetrain to terrain and budget.
Does the Denali Ultimate include Super Cruise standard?
Yes. The Denali Ultimate includes Super Cruise with Trailering as a standard feature, providing hands-free highway driving and the industry's first hands-free towing on compatible routes.
Where can I find a 2027 GMC Sierra 1500 near Frederick, OK?
Southwest Buick GMC serves Frederick and Tillman County with a full 2027 Sierra lineup. Visit our showroom or browse inventory online to get started.
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 PartsYour Frederick-Area 2027 GMC Sierra Dealer
Southwest Buick GMC serves Frederick, OK and Tillman County with the complete 2027 GMC Sierra 1500 lineup. Professional Grade trucks for Professional Grade work.
Browse Inventory Get Pre-Approved
*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.