SouthWest Buick GMC of Lawton

New 2026 GMC Sierra 1500 For Sale Near Wichita Falls, TX

New 2026 GMC Sierra 1500 For Sale Near Wichita Falls, TX | Southwest Buick GMC

Southwest Buick GMC - Serving Wichita Falls, TX

New 2026 GMC Sierra 1500 For Sale Near Wichita Falls

North Texas buyers make the short drive north to Southwest Buick GMC in Lawton for the complete 2026 GMC Sierra 1500 lineup and straightforward cross-state paperwork.

2026 GMC Sierra 1500 - Southwest Buick GMC near Wichita Falls, TX
13.4-Inch
Touchscreen, Google Built-In
4 Engines
TurboMax, Two V8s, Duramax
8 Trims
Pro Through Denali Ultimate
13,300 lbs
Maximum Towing Capacity
Super Cruise
Available Hands-Free Driving

Serving Wichita Falls, TX and North Texas

New 2026 GMC Sierra 1500 For Sale, Just Across the Border

Wichita Falls drivers shopping the 2026 Sierra 1500 will find all eight trims and all four engines at Southwest Buick GMC in Lawton. The 13.4-inch premium infotainment display with Google built-in is standard from SLE up, and available Super Cruise brings hands-free highway driving to qualifying trims.

Our finance and title team handles cross-state purchases regularly, so Texas buyers get the same efficient experience as our Oklahoma customers. Apply online before you make the drive and we will have the paperwork ready.

All Eight Trim Levels

Eight 2026 Sierra 1500 Configurations

Each 2026 Sierra trim carries its own equipment set, from vinyl-floor work trucks to carbon-fiber-bed flagships.

Pro

The work-ready foundation. 17-inch steel wheels, LED headlights, vinyl or cloth seating, a 7-inch touchscreen with wireless Apple CarPlay and Android Auto, and GMC Pro Safety driver assistance standard.

Popular
SLE

Steps up to alloy wheels, the six-function MultiPro tailgate, locking rear differential, remote start, dual-zone climate, the 13.4-inch touchscreen with Google built-in, 12.3-inch digital cluster, plus heated front seats and steering wheel.

New Package
Elevation

Blacked-out exterior styling with body-color accents and dark badging. The new-for-2026 Elevation Select Package adds further content on 2.7L TurboMax builds.

SLT

The value sweet spot. Adds leather-appointed seating, upgraded interior trim, enhanced lighting, and a longer standard equipment list over the Elevation.

Off-Road
AT4

Off-road capability with standard 4WD, a two-inch factory lift, off-road suspension, skid plates, hill descent control, red recovery hooks, and an AT4-exclusive drive mode.

Extreme Off-Road
AT4X

Maximum off-road hardware with Multimatic DSSV dampers, front and rear electronic locking differentials, 18-inch wheels on all-terrain tires, and full underbody protection.

Luxury
Denali

Signature GMC luxury with real open-pore wood, authentic aluminum trim, premium leather, a 12-speaker Bose audio system, and available Super Cruise hands-free driving.

Flagship
Denali Ultimate

The pinnacle: standard 6.2L V8, Super Cruise, a carbon-fiber composite cargo bed, 22-inch wheels, full-grain leather with massage function, power sunroof, and retractable assist steps.

Powertrain Lineup

Power Options for North Texas Drivers

Four engines paired to 8-speed and 10-speed automatics, with towing up to 13,300 pounds.

Standard Power
2.7L TurboMax I4

310 horsepower and 430 lb-ft of torque with an 8-speed automatic. The most fuel-efficient gas engine in the lineup and backed by a 100,000-mile warranty.

V8 Workhorse
5.3L EcoTec3 V8

355 horsepower and 383 lb-ft with Dynamic Fuel Management and a 10-speed automatic. Tows up to 11,500 lbs when properly equipped.

Maximum Gas Power
6.2L EcoTec3 V8

420 horsepower and 460 lb-ft, paired with a 10-speed automatic. Offered with 4WD and standard on the Denali Ultimate.

Best Efficiency
3.0L Duramax Turbo-Diesel

305 horsepower and 495 lb-ft from the inline-six diesel. The efficiency leader at up to 23 city / 28 highway MPG, and rated to tow up to 13,000 lbs.

EPA-Estimated Fuel Economy

EPA-Estimated Fuel Economy

2.7L TurboMax

18/22
City / Hwy MPG (2WD)

5.3L V8

16/21
City / Hwy MPG

6.2L V8

15/19
City / Hwy MPG (4WD)

3.0L Duramax

23/28
City / Hwy MPG - Best

EPA-estimated ratings. Figures vary by drivetrain, cab and bed configuration. 4WD typically reduces economy by 1 to 2 MPG. Use for comparison purposes only; your actual mileage will vary.

Onboard Technology

Inside the 2026 Sierra Cabin

The 2026 Sierra puts a 13.4-inch diagonal premium GMC Infotainment System with Google built-in at the center of the cabin on SLE and above, paired with a 12.3-inch digital driver display. Wireless Apple CarPlay and Android Auto are standard, and the Pro trim carries a 7-inch touchscreen. The six-function MultiPro tailgate remains a Sierra signature, and available Super Cruise delivers hands-free driving on compatible highways.

2026 Exterior Colors

Your Color, Your 2026 Sierra

Summit White
Glacier White Tricoat
Onyx Black
Cardinal Red
Volcanic Red Tintcoat
Coastal Dune
Sterling Metallic
Downpour Metallic

Color availability varies by trim. See dealer for complete availability.

Interior Color Options

2026 Sierra 1500 Interior Colors by Trim

Interior colorways on the 2026 Sierra 1500 are tied to trim level, moving from durable Jet Black vinyl on the Pro to full-grain leather on the Denali Ultimate. Material and colorway availability varies by cab configuration and seat selection.

Jet Black
Pro, SLE, Elevation, SLT, Denali
Dark Walnut / Slate
SLT
Jet Black w/ Kalahari
AT4
Obsidian Rush
AT4X
Atmosphere / Brownstone
Denali
Alpine Umber
Denali Ultimate

Swatches are approximate on-screen representations and will not match the finished material exactly. Interior availability varies by trim and may be limited by exterior color, seating configuration and package selection. See dealer for in-stock combinations.

Wichita Falls Area Reviews

What North Texas Buyers Are Saying

The drive up from Wichita Falls took about an hour and saved me real money. The Denali interior is a genuine step above what I was looking at locally.

- Wichita Falls, TX Sierra Owner

Cross-border paperwork was handled quickly and I drove home to Texas the same afternoon.

- North Texas Sierra Buyer

The Elevation in the blacked-out trim looks sharp and the TurboMax has more than enough power for what I do.

- Southwest Buick GMC Customer

Service Department and Parts Center

Certified GMC Service and Genuine Parts for Your Sierra 1500

Our GMC-certified technicians and dedicated parts team keep your 2026 Sierra 1500 running at Professional Grade standards, whether you chose the TurboMax four-cylinder, either EcoTec3 V8, or the Duramax diesel.

Service Department

Factory-Trained GMC Technicians

  • Oil, filter and multi-point inspection service
  • Duramax diesel service including DEF and fuel system
  • 8-speed and 10-speed automatic transmission service
  • Dynamic Fuel Management diagnostics on V8 models
  • 4WD, AT4 and AT4X suspension and driveline service
  • Super Cruise and driver-assist camera calibration
  • Tire rotation, balancing and alignment
  • MultiPro tailgate adjustment and repair
Schedule Service

Parts Center

Genuine GMC Parts and Sierra Accessories

  • 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 and work surfaces
  • Wheels, all-terrain tires and AT4 off-road components
Order Parts

Genuine GMC parts are engineered to factory tolerances and help protect your Sierra warranty coverage. Contact our parts department for fitment on your specific cab, bed and trim configuration.

Questions and Answers

Questions From Wichita Falls Buyers

What engines are available on the 2026 GMC Sierra 1500?

Four engines are offered: the 2.7L TurboMax four-cylinder (310 hp / 430 lb-ft) with an 8-speed automatic, the 5.3L EcoTec3 V8 (355 hp / 383 lb-ft), the 6.2L EcoTec3 V8 (420 hp / 460 lb-ft), and the 3.0L Duramax turbo-diesel inline-six (305 hp / 495 lb-ft). The V8s and diesel use a 10-speed automatic.

How much can the 2026 Sierra 1500 tow?

Up to 13,300 pounds when properly equipped. The 5.3L V8 is rated to about 11,500 pounds, the 2.7L TurboMax to roughly 9,600 pounds, and the 3.0L Duramax diesel to 13,000 pounds.

What size is the touchscreen in the 2026 Sierra 1500?

SLE trims and above feature a 13.4-inch diagonal premium GMC Infotainment System with Google built-in, paired with a 12.3-inch digital driver display. The Pro trim uses a 7-inch touchscreen. Wireless Apple CarPlay and Android Auto are standard.

Which 2026 Sierra engine gets the best fuel economy?

The 3.0L Duramax turbo-diesel leads the lineup at an EPA-estimated 23 MPG city and 28 MPG highway in two-wheel drive. The 2.7L TurboMax is the most efficient gas option at 18 city / 22 highway.

Can Texas residents buy from Southwest Buick GMC in Lawton, OK?

Yes. We regularly serve Wichita Falls and North Texas buyers. Our finance and title team handles all cross-state documentation so the purchase is straightforward.

How Can We Help?

Apply for Financing

Pre-approve online. Competitive rates for all credit types.

Apply Now
Schedule Service

Certified GMC technicians and easy online scheduling.

Schedule Now
Order OEM Parts

Genuine GMC parts through our dedicated parts team.

Order Parts

New 2026 GMC Sierra 1500 For Sale Near Wichita Falls

Southwest Buick GMC in Lawton serves Wichita Falls and North Texas with the complete 2026 Sierra 1500 lineup.

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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. Vehicles may be subject to open safety recalls. Please check this vehicle's recall status at www.nhtsa.gov/recalls

The Manufacturer's Suggested Retail Price excludes tax, title, license, dealer fees and optional equipment. Dealer sets final price.