
Used GMC Sierra 1500 for Sale in Hattiesburg, MS
Sierra strength meets Southern sophistication.
Pre-owned
Used GMC Sierra 1500 in Hattiesburg, MS
At Custom Truck Concepts in Hattiesburg, Mississippi, we focus exclusively on professional-grade trucks, and the GMC Sierra 1500 represents the pinnacle of premium capability. This sophisticated full-size pickup delivers an exceptional blend of refined power, innovative technology, and purposeful design, making it the ideal choice for Mississippi's professional contractors and discerning truck enthusiasts. Whether you're managing heavy job site demands, towing substantial equipment trailers, or seeking a premium daily driver with uncompromising capability, our carefully selected used GMC Sierra 1500 inventory offers unmatched performance and long-term value.
The GMC Sierra 1500 is engineered from its foundation as a professional-grade work solution, constructed on General Motors' proven platform that ensures superior durability and sustained reliability. Every Sierra 1500 is designed to conquer demanding tasks while delivering the premium comfort and advanced technology you expect from a modern pickup truck.
2025 GMC Sierra 1500 Current Trims: Discover Your Professional-Grade Configuration
The Sierra 1500 series presents eight distinct trim levels, each engineered for specific professional requirements and preferences. From the work-focused Pro to the ultra-luxurious Denali Ultimate, there's a Sierra 1500 configuration perfectly suited for every Mississippi driver.

Pro
The Pro establishes the professional foundation with essential capability and no-nonsense equipment. This base trim delivers everything required for serious work without unnecessary complexity.
- TurboMax™ Engine - 310 horsepower and 430 lb-ft torque for reliable professional power delivery
- Durable Vinyl Seat Trim - Easy-to-clean interior designed for work environments
- 12 Standard Cargo Tie-Downs - Integrated bed management system
- 7-inch Touchscreen Display - Essential connectivity with Apple CarPlay/Android Auto
- LED Bed Lighting - Standard illumination for early morning and late evening jobs
- Available Trailering Package - Factory-integrated towing capability when needed

SLE
The SLE enhances the Pro foundation with contemporary styling and advanced convenience features, delivering exceptional value for professionals who want capability with modern amenities.
- 13.4-inch Diagonal Touchscreen - Premium infotainment with Google built-in compatibility
- 12.3-inch Driver Information Center - Customizable digital instrument cluster
- LED Fog Lamps - Enhanced visibility during Mississippi weather events
- MultiPro Configurable Tailgate - Six functional positions for versatile loading
- Remote Vehicle Starter - Pre-condition cabin before entering extreme temperatures
- Available Duramax 3.0L Turbo-Diesel - Exceptional towing torque and fuel efficiency

Elevation
The Elevation commands attention with bold monochromatic styling and enhanced capability features, perfect for professionals who want their truck to make a strong visual statement.
- High-Gloss Black Grille Bar - Distinctive front-end appearance
- 20-inch Gloss-Black Aluminum Wheels - Aggressive street-ready styling
- LED Cargo Bed Lighting - Premium illumination for work site visibility
- Heated Steering Wheel - Comfort during Mississippi winter mornings
- Dual-Zone Climate Control - Separate temperature zones for driver and passenger
- High Capacity Suspension Package - Enhanced payload capability standard

SLT
The SLT strikes an ideal balance between premium features and professional capability, offering leather-appointed comfort without compromising work-ready performance.
- Heated Front Leather-Appointed Seats - Premium comfort with all-weather warmth
- Bose Premium Audio System - Seven-speaker sound throughout cabin
- Chrome Assist Steps - Functional entry assistance with bright appearance
- 120V Power Outlet - Onboard power for tools and equipment charging
- ProGrade Trailering System - Advanced trailering technologies and camera views
- 5.3L V8 Engine Standard - 355 horsepower for confident towing and hauling

AT4
The AT4 brings authentic off-road capability to the Sierra lineup with factory-installed equipment designed for Mississippi's hunting grounds, fishing access roads, and challenging job sites.
- 2-inch Factory Suspension Lift - Increased ground clearance for off-road obstacles
- Rancho Monotube Off-Road Shocks - Performance dampers for rough terrain
- Hill Descent Control - Automatic speed management on steep declines
- Transfer Case Skid Plate - Protects critical driveline components
- Goodyear Wrangler Territory Tires - All-terrain performance in multiple conditions
- Two-Speed Autotrac Transfer Case - Seamless 2WD to 4WD transitions

AT4X
The AT4X represents the pinnacle of Sierra off-road engineering, featuring race-proven suspension technology and maximum trail capability for extreme Mississippi terrain.
- Multimatic DSSV™ Dampers - Professional position-sensitive shock absorbers
- Front and Rear Electronic Locking Differentials - Maximum traction in extreme conditions
- AEV Stamped Steel Front Bumper - Heavy-duty approach protection with winch capability
- 16-Way Power Heated/Ventilated Seats - Premium comfort with massage functionality
- Underbody Boron Steel Skid Plates - Comprehensive underbody protection system
- Available AEV Edition - American Expedition Vehicles factory collaboration

Denali
The Denali trim delivers uncompromising luxury while maintaining professional-grade capability, perfect for Mississippi business owners who demand sophistication without sacrificing utility.
- Authentic Open-Pore Wood Trim - Genuine wood accents throughout interior
- Perforated Leather Seating Surfaces - Premium materials with ventilation capability
- Chrome Signature Denali Grille - Distinctive exterior styling with chrome header
- Up to 13 Camera Views - Comprehensive visibility systems including transparent trailer
- 20-inch Ultra-Bright Aluminum Wheels - Premium wheel design with Bright Chrome accents
- Advanced Safety Technologies - Full suite of driver assistance and safety features

Denali Ultimate
The Denali Ultimate stands as the ultimate expression of Sierra luxury and capability, combining every premium feature with exclusive design elements for the most discerning truck owners.
- Super Cruise™ Hands-Free Driving - Advanced driver assistance on compatible highways
- 6.2L EcoTec3 V8 Engine - Maximum power with dynamic fuel management
- 22-inch 7-Spoke Machined Aluminum Wheels - Exclusive wheel design with Bright Chrome accents
- 16-Way Power Front Seats with Massage - Ultimate comfort with multiple modes
- Full-Grain Leather Seating - Highest quality leather with perforation and contrast stitching
- Alpine Umber Interior Theme - Exclusive interior color scheme and materials
Why Choose Custom Truck Concepts for Your Used GMC Sierra 1500?
Located at 6428 U.S. Highway 49 in Hattiesburg, Mississippi, Custom Truck Concepts proudly serves Sierra 1500 professionals from across the Pine Belt region. We're more than a dealership, we're your complete resource for acquiring, financing, and personalizing the perfect used GMC Sierra 1500.
Not Done Customizing?
Our expert customization services transform your used GMC Sierra 1500 into a personalized performance machine perfectly suited to your needs.
Custom Truck Concepts Customization Add-Ons for Your Next Vehicle:
Lift kits from 2 to 12+ inches with premium Fox and Bilstein shock upgrades, custom wheel packages from 20-inch to 26-inch sizes, and commercial-grade all-terrain or mud-terrain tires engineered for Mississippi's clay soil and gravel conditions.
Commercial Protective Systems
Heavy-duty skid plates protecting engine, transmission, and transfer case, custom commercial bumpers with integrated recovery points and winch provisions, nerf bars and powered running boards, bed rail protection systems, and spray-in bedliners with lifetime warranties.
Lighting & Electrical
LED light bars from 10-inch to 50-inch for job site illumination, auxiliary work lights and amber warning systems, rock lights for off-road visibility, interior LED upgrades, and auxiliary power distribution panels for equipment charging.
Recovery & Winching Equipment
Heavy-duty electric winches rated from 9,000 to 15,000+ pounds with synthetic cable options, complete recovery kits including straps and shackles, hi-lift jacks with mounting systems, and onboard air compressors for tire inflation.
Bed Management Solutions
Commercial tonneau covers including hard folding and retractable options, custom toolboxes and storage systems, bed slide installations, cargo management rail systems, and ladder racks for contractor applications.
Premium Interior Upfitting
Custom leather seat covers with heating and ventilation, all-weather floor liners with logo embroidery, under-seat lockable storage, center console vaults, upgraded audio systems with subwoofers, and fleet GPS tracking integration.
Performance & Towing Enhancements
Cold air intake systems for improved throttle response, cat-back exhaust systems for enhanced sound and power, performance ECM tuning for optimized engine output, transmission coolers for heavy towing, and upgraded trailer brake controllers.
Get Started Today
Ready to explore our selection of used GMC Sierra 1500 trucks? Browse our current inventory to see available models, or get pre-approved for financing to streamline your purchase process. We partner with Mississippi's trusted commercial lenders to offer flexible financing options tailored to professional budgets.
Have a vehicle to trade? Get your trade-in value instantly and apply that equity toward your next Sierra 1500. Want to learn more about our professional approach? Visit our About Us page or call (601) 602-1996.
Stop by Custom Truck Concepts in Hattiesburg, located in the old Roper's building next to Hattiesburg Cycles, and let our Sierra specialists help you find the perfect professional-grade truck for your requirements.
Get Approved for financing, check our Hours and Directions, or Value Your Trade today. Call us at (601) 602-1996 to speak with our GMC Sierra specialists about available inventory and professional upfitting services.
