Meet the 2026 GMC Sierra 1500 SLT, a premium truck built to handle both work and the open road with capability you can count on.
- 3.0L Duramax I-6 Diesel Turbocharged engine with 305 hp and 495 lb-ft of torque
- 4WD with auto-locking rear differential for confident traction
- 10-speed automatic transmission
- Premium GMC Infotainment Audio System with SiriusXM 360L and wireless Apple CarPlay/Android Auto
- Heated and cooled leather front seats with 10-way power adjustment and lumbar support
- Backup camera and HD rear vision camera
- Lane Keep Assist with Lane Departure Warning
- Automatic Emergency Braking with Front Pedestrian Braking
- Integrated Trailer Brake Controller with Hitch Guidance
- Remote Vehicle Starter System with push button start
- Dual-zone automatic climate control with heated steering wheel
- Navigation system with Wi-Fi hotspot capability
- 18-inch machined aluminum wheels
This Sierra delivers genuine performance with its turbocharged diesel engine, engineered to provide strong torque for towing and hauling while maintaining highway efficiency at 26 mpg. The 4WD system with auto-locking rear differential ensures you maintain traction in challenging terrain, whether navigating winter weather or unpaved roads.
Inside, the SLT trim prioritizes comfort and technology. Perforated leather upholstery, heated and cooled seats, and an available memory seat function create a refined cab experience. The advanced infotainment system keeps you connected with wireless smartphone integration, satellite radio, and built-in Wi-Fi hotspot capabilities for the entire cabin.
Safety technology is comprehensive throughout this truck. Advanced driver assistance features include automatic high-beam functionality, rain-sensing wipers, and a forward collision alert system. The integrated trailer brake controller with hitch guidance makes towing intuitive and controlled. Multiple airbags, electronic stability control, and a security system provide complete protection for you and your passengers.
Practical features enhance daily utility. The truck includes remote keyless entry, power windows and door locks throughout, fog lights, LED bed lighting, and chrome accents that define the SLT's polished appearance. A 120-volt interior power outlet and bed-mounted outlet provide convenient charging options for work equipment or personal devices.
The Sierra 1500 SLT combines the sophisticated styling GMC is known for with genuine work truck capabilities. This is a vehicle that transitions seamlessly from the job site to weekend getaways, built with the quality and attention to detail that defines the GMC brand.
We invite you to experience this truck firsthand in our showroom and discover how its blend of capability, comfort, and technology can enhance your ownership experience.
2026 GMC Sierra 1500 SLT
- Used
- Diesel
The overview
- Exterior Color
- Summit White
- Interior Color
- Black
- Odometer
- 21,271 miles
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4WD
- Engine
- 3.0L I6
- VIN
- 3GTUUDE82TG146850
- Stock Number
- P36430
The highlights
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Wireless phone connectivity
- Front dual zone A/C
- Auto high-beam headlights
- Rain sensing wipers
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
The full specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Navigation system
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- 1st row LCD monitors: 2
- Primary LCD size: 13.4"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless phone connectivity: Bluetooth
- Heated front seats
- Leather upholstery
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Cylinder deactivation
- Drive type: four-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine location: front
- Fuel economy city: 15mpg
- Fuel economy combined: 16mpg
- Fuel economy highway: 18mpg
- Fuel tank capacity: 24.0gal.
- Hybrid electric powertrain type: none
- Hybrid system combined power torque: none
- Hybrid system net power: none
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Transmission: 10 speed automatic
- Variable valve control
- Approach angle: 19 deg
- Departure angle: 24 deg
- Ground clearance (min): 206mm (8.1")
- Ramp breakover angle: 18 deg
- Auto-dimming door mirrors
- Bumpers: chrome
- Door mirrors: chrome
- Heated door mirrors
- Hitch Class: IV
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Trailer hitch
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,918mm (75.5")
- Exterior length: 5,890mm (231.9")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,676mm (66.0")
- Greenhouse Gas Score (GG): 3
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,529mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,656mm (65.2")
- Wheelbase: 3,744mm (147.4")
- Appearance: digital/analog
- Auto high-beam headlights
- Compass
- Configurable
- Delay-off headlights
- Front fog lights
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Keep Assist with Lane Departure Warning active
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rain sensing wipers
- Rear reading lights
- Rear window defroster
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Traction control
Notes from the dealer
KBB.com Consumer Reviews
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