SoCal Penske Dealer Group

2020 GMC Sierra 1500 SLT



  • $39,116 *Total Price

  • Selling Price $38,994
    • +$85
    • +$37
  • *Total Price $39,116
  • *Plus government fees and taxes, any finance charges, and any emission testing charge. All vehicles subject to prior sales. See dealer for details. Offer expires on the date posted.

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Vehicle Information

VIN: 3GTU9DEL3LG154526
Stock #: P11005
Model Code: TK10543
  • Condition Used
  • Body Style Crew Cab
  • Exterior Color Summit White
  • Interior Color Jet Black, Perforated Leather-Appointed Front Seat Trim
  • Mileage 67,325
  • Fuel Economy
    City/Highway 15/20 MPG
  • Engine Engine: 6.2L, EcoTec3 V-8, DI, Dynamic Fuel Mgt, V V T
  • Transmission Automatic
  • Fuel Type Gasoline Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

This 2020 GMC Sierra 1500 SLT represents a capable truck built for those who demand both power and refinement in their daily work and adventures.

- Power Sunroof
- SLT Premium Plus Package
- X31 Off-Road Package with Off-Road Suspension
- EcoTec3 6.2L V8 Engine with 420 hp
- 10-Speed Automatic Transmission with 4WD
- Premium GMC Infotainment System with Navigation
- Premium Bose 7-Speaker Sound System with SiriusXM 360L
- Adaptive Cruise Control with Camera
- Lane Keep Assist with Lane Departure Warning
- Automatic Emergency Braking with Front Pedestrian Braking
- Ventilated Driver and Front Passenger Seats
- Heated Front Seats with 10-Way Power Adjustment
- Spray-On Pickup Bed Liner with GMC Logo
- Chrome Wheel-to-Wheel Assist Steps
- Hill Descent Control with Skid Plates

Under the hood, the 6.2L EcoTec3 V8 delivers 420 horsepower and 460 lb-ft of torque while utilizing Dynamic Fuel Management technology that optimizes efficiency by operating in up to 17 different patterns. The 10-speed automatic transmission pairs seamlessly with the 4WD system to provide both responsiveness on the road and capability off it. With city fuel economy of 15 mpg and highway fuel economy of 20 mpg, this truck balances performance with practical efficiency.

The SLT Premium Plus Package brings together multiple layers of convenience and comfort, combining the SLT Convenience Package, SLT Preferred Package, Driver Alert Packages I and II, 20-inch polished aluminum wheels, chrome assist steps, and a spray-on bedliner. The X31 Off-Road Package adds genuine capability with off-road-tuned suspension, Hill Descent Control, skid plates, a high-capacity air filter, and all-terrain tires on 18-inch wheels, plus a distinctive X31 hard badge.

Inside, the cabin showcases perforated leather-appointed front seating with heated and ventilated capability, complemented by a power sunroof that floods the interior with natural light. The Premium GMC Infotainment System with integrated navigation works alongside the Premium Bose 7-Speaker sound system and SiriusXM 360L to keep you informed and entertained. Safety features include Automatic Emergency Braking, Adaptive Cruise Control, Lane Keep Assist with Lane Departure Warning, and Rear Cross Traffic Alert—all designed to provide confidence behind the wheel.

As a one-owner truck, this Sierra 1500 SLT has been carefully maintained and comes with a comprehensive equipment list that includes wireless charging, Apple CarPlay and Android Auto compatibility, a heated steering wheel, and the ProGrade Trailering System with integrated trailer brake controller. The dual exhaust with premium tips adds a refined finishing touch to the truck's purposeful appearance.

This 2020 GMC Sierra 1500 SLT delivers the combination of luxury, capability, and reliability you expect from GMC, ready to tackle whatever lies ahead.

Some of our used vehicles may be subject to unrepaired safety recalls. Check for a vehicle's unrepaired recalls by VIN at https://vinrcl.safercar.gov/vin/

All Features

  • DriveType
    • DriveType: Four Wheel Drive
  • Fuel Economy
    • City: 15 MPG
    • Hwy: 20 MPG
    • Combined: 17 MPG
  • Fuel System
    • Fuel System: Direct Injection
  • Fuel Tank Capacity
    • Fuel Tank Capacity: 24 gal
  • Fuel Type
    • Fuel Type: Gasoline Fuel
  • Horse Power
    • Horse Power: 420
  • Rear Wheel
    • Rear Wheel: Single
  • Trailering Capacity
    • Trailering Capacity: 0
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Plus government fees and taxes, any finance charges, a dealer document processing charge of $85, any electronic filing charge and any emission testing charge. All vehicles subject to prior sales. See dealer for details. Offer expires on the date posted. Advertising on this website is intended only for those in California.

*Plus government fees and taxes, any finance charges, and any emission testing charge. All vehicles subject to prior sales. See dealer for details. Offer expires on the date posted. Advertising on this website is intended only for those in California. May not represent actual vehicle. (Options, colors, trim and body style may vary)