Rob Green Auto Group

1080 Blue Lakes Blvd N, Twin Falls, ID 83301

Used 2018 GMC Sierra 1500 SLT

92,649 miles
For Sale:$28,329

$288(-1%)price drop

Estimated payment:$642/mo.
$0 trade-in, 10% down payment, 48 months, Great credit score

Value ChartA visual chart indicating the fair price range is between $26,200 and $30,800, while the current price is $28,329.$26,200 - $30,800$28,329
  • Priced at $28,329, this vehicle is within the current market price range of $26,200 to $30,800.

  • It has 92,649 miles, which is 22,951 (20%) below the median mileage of 115,600.

Note: This is an estimate based on a variety of factors (experimental feature). It is intended to provide a fair market value range to help guide your buying decision.

View Full Value Report

SequenceDatePrice ChangeCurrent Price
1.12/13/2025 (4 months ago)$32,687
2.1/24/2026 (3 months ago)-$328 (-1.0%)$32,359
3.1/27/2026 (3 months ago)-$1,473 (-4.6%)$30,886
4.2/13/2026 (2 months ago)-$481 (-1.6%)$30,405
5.2/20/2026 (2 months ago)-$306 (-1.0%)$30,099
6.2/27/2026 (2 months ago)-$302 (-1.0%)$29,797
7.3/6/2026 (2 months ago)-$299 (-1.0%)$29,498
8.3/20/2026 (a month ago)-$296 (-1.0%)$29,202
9.3/27/2026 (25 days ago)-$294 (-1.0%)$28,908
10.4/4/2026 (17 days ago)-$291 (-1.0%)$28,617
11.4/17/2026 (4 days ago)-$288 (-1.0%)$28,329
  • Truck
  • Pickup
  • Crew Cab
  • Extended Front Legroom
  • Condition
    Used
  • Mileage
    92,649miles
  • Aggregate Ratings
    3.4
    3.4 out of 5 stars
  • Generation
    3(2014 - 2018)
  • Trim
    SLT
  • Drivetrain
    4X4
  • Transmission
    8-Speed Shiftable Automatic
  • Exterior Color
    Stone Blue Metallic (Blue)Factory Paint Code:G1K
  • Interior Color
    Jet Black
  • Size Segment
    1/2 Ton
  • Doors
    4
  • Max Seating
    6
  • Max Towing Capacity
    11,700lbs.
  • Weight Class
    6,000-10,000 lbs. (2)
  • Ground Clearance
    8.9inch
  • NHTSA Safety Ratings
    5
    5 out of 5 stars
  • Final Assembly Point
    Silao, Mexico
  • VIN
    3GTU2NEJ4JG284904

Engine6.2L V8 Gasoline 420hp

  • Fuel Type:Gasoline
  • Fuel Quality:87
  • Max Horsepower:420 hp @ 5600 rpm
  • Max Torque:460 ft.lbf @ 4100 rpm
  • Brand:EcoTec3
  • Displacement:6.2liters
  • Block Type:V
  • Cylinders:8
  • Aspiration:Naturally Aspirated
  • Fuel Induction:Direct Injection
  • Redline:6,000rpm
  • Oil Capacity:7.6liters
  • Cam Type:OHV
  • Stroke:3.62
  • Bore:4.06
  • Valves:16

Message from the seller

Discover the Unparalleled Capability and Comfort of the 2018 GMC Sierra 1500 SLT

Elevate your driving experience with the exceptional 2018 GMC Sierra 1500 SLT. This powerful and versatile pickup boasts a commanding presence on the road, thanks to its impressive 6.2L EcoTec3 V8 engine that delivers 420 horsepower and 460 lb-ft of torque. Paired with an 8-speed automatic transmission and 4-wheel drive, this Sierra 1500 SLT provides the perfect blend of performance and capability, allowing you to tackle any task with ease.

6.2L EcoTec3 V8 engine with Active Fuel Management and Variable Valve Timing
Black Tubular Assist Steps, 4 Round
Spray-On Pickup Box Bed Liner with GMC Logo
8 Diagonal Color Touch Screen Navigation with GMC Infotainment System
Off-Road Suspension Package with Monotube Rancho Brand Shocks
Integrated Trailer Brake Controller

Step inside the Sierra 1500 SLT and experience the epitome of comfort and convenience. The spacious cabin is adorned with premium leather-appointed seating, offering heated front seats and a 10-way power driver's seat for optimal support and relaxation. The dual-zone automatic climate control and Bose premium audio system ensure a serene and enjoyable driving experience, while the integrated trailer brake controller and 4G LTE Wi-Fi hotspot keep you connected and in control.

Designed to handle the demands of your active lifestyle, the 2018 GMC Sierra 1500 SLT is the perfect companion for your next adventure. With its impressive towing capacity, rugged off-road capabilities, and refined interior, this truck is the ultimate blend of power, capability, and comfort.

Discover the unparalleled performance and luxurious amenities of the 2018 GMC Sierra 1500 SLT. Schedule a test drive today and experience the difference for yourself.

WHY BUY FROM ROB GREEN GMC

Every vehicle receives an intensive multi-point inspection in our world-class service center
All work completed by factory-trained, certified technicians
One full year of free maintenance included with every purchase
Trusted, locally owned dealership committed to exceptional customer care

* Based on opinions and should be considered as general guidance only.

  • Reliability (3)
    3 out of 5 stars
    Reliability for the 2018 Sierra 1500 SLT is about average for its class. Some owners have reported minor issues, but major powertrain problems are not widespread. Regular maintenance is key to its longevity.
  • Maintenance (3)
    3 out of 5 stars
    Maintenance costs are typical for a full-size pickup truck. Parts are readily available, and most mechanics are familiar with GM trucks. Fuel economy is on par with competitors, but still a significant factor for ownership.
  • Technology (4)
    4 out of 5 stars
    The infotainment system is user-friendly with a responsive touchscreen and good integration for Apple CarPlay and Android Auto. There are ample USB ports and available features like a Wi-Fi hotspot. While not cutting-edge, it provides a solid set of modern conveniences.
  • Comfort (4)
    4 out of 5 stars
    The interior is spacious and the seats are generally comfortable, even on longer drives. Road noise is well-managed for a truck, contributing to a pleasant cabin environment. The ride quality is smooth over most surfaces, absorbing bumps effectively.
  • Dynamics (3)
    3 out of 5 stars
    The 2018 GMC Sierra 1500 SLT offers a decent ride for a truck, but it still feels like a full-size pickup. Handling is predictable but not particularly agile, and the steering can feel a bit numb. It's competent for daily driving and light hauling, but don't expect sporty performance.

  • Seating:

    • Seating Rows:2
    • Standard Seating:6
    • Max Seating:6
    • Leg Room (front):45.3in.
    • Leg Room (rear):40.9in.
  • Measurements:

    • Width:80in.
    • Ground Clearance:8.9in.
  • Weight:

    • Gross Weight:7,200lbs
  • Wheels & Tires:

    • Tire:P265/65R18
  • Performance:

    • Towing Capacity:6,100lbs
    • Max Towing Capacity:11,700lbs
  • Fuel Tank:

    • Fuel Tank Volume:26gallon

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Listed on December 13, 2025 (4 months ago)
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Cruz™ Disclaimer: Vehicle details shown on this site are provided by sellers or third parties. Cruz™ does not independently verify this information and is not liable for its accuracy. All services and content are offered without any warranty, either expressed or implied. Learn more here.MPG & Max Range: Fuel economy estimates are provided by the EPA and are intended for comparison purposes only. Your actual mileage will vary depending on driving conditions, vehicle condition, and other factors.Price: Prices shown may not include taxes, fees, or other charges. Prices and availability are subject to change without notice. Contact the seller for the most current pricing information.Options & Features: Installed options may not be shown. Contact the seller for more information about available features and options.