
Discover the 2025 GMC Sierra 1500 at Rusty Wallace GMC in Morristown, TN
Prepare to elevate your driving experience with the incredible 2025 GMC Sierra 1500, now available at Rusty Wallace GMC in Morristown. This full-size pickup truck sets a new capability, comfort, and style standard. Whether tackling tough jobs in Jefferson City or embarking on an adventure in Knoxville, the Sierra 1500 is ready to exceed your expectations.
1Dealer Discount applied to everyone

Performance and Engine Options
Under the hood, the Sierra 1500 offers a selection of potent engines designed to tackle any task efficiently. The available 6.2-liter V8 engine delivers an impressive 420 horsepower and 460 pound-feet of torque, providing ample power for towing and hauling. For those seeking enhanced efficiency, the 3.0-liter inline six-cylinder Duramax turbodiesel engine offers a remarkable power and fuel economy combination. With a maximum towing capacity of up to 12,500 pounds when properly equipped, the Sierra 1500 is ready to handle your most demanding jobs.
Interior and Cargo
Slip behind the wheel of the Sierra 1500 and discover an interior that prioritizes comfort, convenience, and sophistication. Premium materials, such as perforated leather-appointed seating, create an upscale ambiance. Enjoy heated front seats, dual-zone automatic climate control, and an expansive infotainment system with wireless Apple CarPlay and Android Auto compatibility. Whether you're navigating the streets of Newport, TN, or cruising along the highways, the Sierra 1500's cabin provides a serene and connected environment.


Exterior
The 2025 GMC Sierra 1500 boasts a rugged yet refined exterior that commands attention wherever it goes. This truck exudes strength and sophistication with its sculpted lines, prominent grille, and striking LED signature lighting. Choose from a range of eye-catching colors and wheel designs to make a statement on the roads of Morristown and beyond.
Safety and Technology
Your safety is a top priority in the Sierra 1500. This truck has advanced driver assistance features, including Forward Collision Alert, Lane Keep Assist with Lane Departure Warning, and Automatic Emergency Braking. The HD Surround Vision provides a bird's-eye view of your surroundings, making parking and maneuvering in tight spaces a breeze. With these innovative safety technologies, you can hit the roads of Knoxville with added peace of mind.
The 2025 GMC Sierra 1500 is packed with cutting-edge technology to keep you connected, informed, and entertained. The 13.4-inch diagonal Premium GMC Infotainment System offers an intuitive interface and access to apps, navigation, and voice assistance. With wireless charging, multiple USB ports, and an available Bose sound system, you'll enjoy a seamless and immersive driving experience.

2025 GMC Sierra 1500 Trim Levels
The GMC Sierra offers an extensive equipment list organized across eight primary trim levels and numerous package options. To help you determine the ideal fit for your Knoxville-area drives, here's a quick rundown of each tier's standard feature highlights.
Pro
The base trim covers the essentials, plus a few extras, including a handful of advanced safety technologies.
- LED headlights
- Automatic high beams
- Heated side mirrors
- Easy-to-clean vinyl flooring
- Cloth or vinyl seat upholstery
- 7-inch touchscreen; wireless Apple CarPlay/Android Auto
- Forward Collision Alert, Automatic Emergency Braking
- Front Pedestrian Braking
- Following Distance Indicator
- Lane Departure Warning, Lane Keep Assist
SLE
By stepping up just one level, you can enjoy several seating enhancements and upgraded infotainment displays on your Newport commute.
- Auto-locking rear differential
- 17-inch alloy wheels
- LED bed lighting
- MultiPro tailgate
- Keyless entry
- 12.3-inch digital instrument cluster
- 13.4-inch touchscreen
- Power-adjustable driver's seat
- Dual-zone automatic climate control
- Heated front seats and steering wheel
- Rear underseat storage
Elevation
The Elevation trim bolsters the Sierra 1500's capability, adding features like:
- 20-inch alloy wheels
- Single-speed transfer case (with 4WD)
- Increased towing performance
- LED fog lights
- Cloth upholstery
SLT
The SLT trim ups the refinement with attributes like:
- 18-inch alloy wheels
- Chrome accents
- Rain-sensing wipers
- Power-folding/auto-dimming mirrors
- Leather upholstery
- Driver memory settings
- Power-adjustable front passenger seat
AT4
Ideal for Greeneville outdoor enthusiasts, the adventure-ready AT4 adds:
- Four-wheel drive and two-speed transfer case
- Terrain-tuned suspension with two-inch lift
- All-terrain tires
- Recovery hooks
- Skid plates
- Spray-in bed liner
- Ventilated front seats
- Heated rear seats
- Wireless charging pad
- Rear automatic braking
- HD Surround Vision
- Lane Change Alert with Trailer Side Blind Zone Alert
AT4X
The AT4X further augments the Sierra 1500's off-road prospects with features like:
- Off-road adaptive suspension dampers
- Front and rear e-lockers
- Sunroof
- Power-sliding rear window
- Bed-view camera
- Digital rearview mirror
- Head-up display
- Adaptive cruise control
- Front/rear parking sensors
Denali
GMC's flagship trim level moves the Sierra 1500 into luxury territory, building on SLT with amenities like:
- 20-inch wheels
- Two-speed transfer case (4WD models)
- Adaptive suspension
- Integrated trailer brake controller
- Spray-in bed liner
- Power-retractable steps
- Bed-view camera
- Power-sliding rear window
- Power-adjustable steering column
- Ventilated front seats
- Heated rear seats
- Wireless charging pad
- 7-speaker Bose audio system
- Digital rearview mirror
- Adaptive cruise control
- Front/rear parking sensors
- Available Super Cruise
Denali Ultimate
For Jefferson City shoppers seeking the most deluxe Sierra 1500 experience, the Denali Ultimate trim adds:
- 22-inch wheels
- Carbon-fiber composite bed
- Sunroof
- Head-up display
- 12-speaker Bose audio system
- Available Super Cruise
Experience the 2025 GMC Sierra 1500 at Rusty Wallace GMC
Ready to take your driving to the next level? Visit Rusty Wallace GMC at 300 King Avenue in Morristown, TN, to explore the 2025 GMC Sierra 1500 in person. Our knowledgeable sales team is dedicated to helping you find the perfect trim level and configuration to suit your lifestyle. With competitive pricing and a commitment to exceptional customer service, Rusty Wallace GMC is your premier destination for GMC trucks in Morristown. Take advantage of your opportunity to experience the unparalleled capability, comfort, and style of the 2025 GMC Sierra 1500.
Frequently Asked Questions
What is the Towing Capacity of the 2025 GMC Sierra 1500?
The latest GMC Sierra 1500 can tow up to 12,500 pounds when properly equipped.
What are the dimensions of the 2025 GMC Sierra 1500?
Depending on cab and bed configuration, the truck ranges from 211.0 to 241.4 inches in length, with overall height measuring 75.4 to 78.3 inches.
What are the cab and bed sizes available for the 2025 GMC Sierra 1500?
The truck offers Crew Cab, Double Cab, and Regular Cab configurations with Short Box, Standard Box, and Long Box bed lengths. Crew Cab provides expansive passenger space.
How Can We Help?
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Rusty Wallace GMC
300 King Avenue
Morristown, TN 37814
- Sales: (423) 616-5979