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Swanson GMC · Acton, MA

2026 GMC Sierra 3500 HD SLE

7 miles · truck

PUBLISHED DEALER DETAILS

Complete vehicle specifications

Year2026
MakeGMC
ModelSierra 3500 HD
TrimSLE
Stock numberP8199
Mileage7 miles
BodyPickup
Engine6.6L V8 turbo
Cylinders8
Displacement6.6L
TransmissionAutomatic
Drivetrain4WD
FuelDiesel
ExteriorOnyx Black
InteriorJet Black, Cloth seat trim
Doors4

Vehicle description

The 2026 GMC Sierra 3500HD SLE is a heavy-duty truck engineered to handle demanding work and deliver the capability you need for any job. - Duramax 6.6L V8 Turbodiesel engine with 470 horsepower and 975 lb-ft of torque - 10-Speed Automatic transmission with 2-Speed Electronic Shift Transfer Case - 220-Amp Alternator for auxiliary power and accessory support - SLE Value Package including convenience, heated, and remote start features - X31 Off-Road Package with Hill Descent Control, skid plates, and Rancho shocks - Snow Plow Prep/Camper Package with enhanced electrical capacity - 20 Bright Face Wheels with Dark Painted Pockets and LT275/65R20 All-Terrain Tires - Spray-on Pickup Bedliner with GMC Logo - 6 Rectangular Chromed Tubular Assist Steps - Premium GMC Infotainment System with 13.4 Diagonal Display - Wireless Phone Projection and Steering Wheel Audio Controls - Heated Driver and Front Passenger Seats with 10-Way Power Driver Adjustment - Lane Departure Warning and Forward Collision Alert safety systems - Remote Vehicle Starter System and Keyless Open and Start - Upfitter Switch Kit (5) with configurable circuits for aftermarket accessories - Engine Block Heater for reliable cold-weather operation This truck combines professional-grade capability with thoughtful comfort features. The Duramax diesel engine provides the torque and power needed for heavy hauling and towing, while the 10-speed automatic ensures smooth power delivery across all working conditions. The four-wheel drive system gives you confidence in varied terrain and weather. The SLE trim prioritizes practicality without unnecessary complexity. Dual-zone automatic climate control keeps both driver and passenger comfortable during long days, and the heated steering wheel and seats add convenience during cold months. The premium infotainment system with SiriusXM satellite radio keeps you connected while the wireless phone projection provides safe, hands-free access to your device. Safety is built into every trip. Lane Departure Warning, Forward Collision Alert, and Front Pedestrian Braking help protect you and your passengers. Exterior parking camera with rear view gives you visibility when maneuvering in tight spaces, and the electronic stability control system adapts to changing conditions. This Sierra 3500HD is equipped with the X31 Off-Road Package, which includes Hill Descent Control and Rancho shocks for enhanced suspension performance on challenging terrain. The skid plates protect critical undercarriage components, making this truck suitable for both job sites and recreational adventures. The upfitter switch kit provides the flexibility to integrate aftermarket electrical accessories, whether for work equipment or specialized applications. The snow plow prep package demonstrates this truck's readiness for commercial and seasonal use. This is a versatile, capable truck built for those who demand performance and reliability. We invite you to visit our showroom to experience the 2026 GMC Sierra 3500HD SLE firsthand. Price includes: $2000 - Bonus Cash. Exp. 11/30/2026 $3500 - Purchase Allowance. Exp. 11/30/2026

Features & options (127)

  • Basic
  • Corrosion
  • Maintenance
  • Roadside Assistance
  • Max seating capacity
  • Fuel System
  • Fuel tank capacity
  • Horsepower
  • Towing capacity
  • 13.4" diagonal GMC Premium Infotainment System with Google built-in
  • 6-speaker audio system
  • Bluetooth
  • SiriusXM with 360L Trial Subscription
  • Wi-Fi Hotspot capable
  • Wireless phone projection
  • 18" LT275/70R18 all-terrain, blackwall spare tire
  • 20" Bright face wheels with dark painted pockets
  • 20" LT275/65R20 all-terrain, blackwall tires
  • 6" Chrome assist steps
  • Animated LED projectors headlamps with LED turn signals and Daytime Running Lamps
  • Black outside power-adjustable vertical trailering mirrors
  • Body-color door handles
  • Cargo tie-downs
  • Chrome front bumper
  • Chrome rear bumper
  • CornerStep rear bumper
  • Deep-tinted glass
  • Front license plate bracket
  • IntelliBeam
  • LED fog lamps
  • LED signature taillamp, with LED stop and reverse light
  • Side Bed Step
  • Smoked Amber LED roof marker lamps
  • Spare tire carrier lock
  • Spray-on bedliner
  • Stainless-steel beltline moldings
  • Standard tailgate
  • Tailgate and bed rail protection caps
  • Tailgate with EZ Lift assist, power lock & release
  • Winter Grille Cover
  • 10-way power driver seat with power lumbar
  • 12.3" diagonal color Driver Information Center
  • 120-volt box-mounted power outlet
  • 120-volt power outlet
  • 4-way manual front passenger seat
  • 40/20/40 split-bench front seat with under-seat storage
  • 60/40 split-folding rear bench seat
  • Assist handles
  • Compass
  • Cruise control
  • Dual-zone automatic climate control
  • Front rubberized-vinyl floor mats
  • Heated driver and front outboard passenger seats
  • Heated steering wheel
  • Inside rearview manual day/night mirror
  • Keyless Open and Start
  • Manual tilt and telescoping steering column
  • Outside temperature display
  • Power door locks
  • Power windows with driver express-up/down
  • Power windows with front passenger express-down
  • Power windows with rear express-down
  • Rear air vents
  • Rear rubberized-vinyl floor mats
  • Rear window defogger
  • Remote Start
  • Rubberized vinyl floor covering
  • Steering-wheel mounted controls
  • Theft-deterrent unauthorized entry system
  • USB ports
  • Upfitter switches
  • Wrapped steering wheel
  • 10-speed automatic transmission
  • 12,150 lbs. GVWR
  • 220-amp alternator
  • 3.42 rear axle ratio
  • 4-wheel antilock disc brakes
  • 6.6L Duramax Turbo-Diesel V8 engine
  • Air filtration monitoring
  • Automatic locking rear differential
  • Black vertical recovery hooks
  • Brake pad wear indicator
  • Capped fuel fill
  • Diesel exhaust brake
  • Electronic shift 2-speed transfer case with push button controls
  • Engine block heater
  • External auxiliary transmission oil cooler
  • External engine oil cooler
  • Fully boxed frame
  • Heavy-Duty Air Filter
  • Heavy-duty 730 cold-cranking amps battery
  • Integrated trailer brake controller
  • Off-Road suspension
  • Pickup bed
  • Push Button Start
  • Skid plates
  • Steering
  • Suspension Package
  • Trailering Information Label
  • LED Daytime Running Lamps
  • Signature LED Daytime Running Lamps
  • 6 airbags
  • Buckle to Drive
  • Following Distance Indicator
  • Forward Collision Alert
  • Front Pedestrian Braking
  • HD Rear Vision Camera
  • Hitch Guidance
  • Lane Departure Warning
  • OnStar Basics
  • OnStar services capable
  • Rear Seat Belt Indicator
  • Rear Seat Reminder
  • Seat Belt Adjustable Guide Loops
  • Teen Driver
  • Tire Pressure Monitoring System with Tire Fill Alert
  • Automatic Emergency Braking
  • Hill Descent Control
  • StabiliTrak, electronic stability control system with traction control
  • Heat Package
  • Remote Start Package
  • SLE Convenience package
  • SLE Value Package
  • Sierra HD Pro Safety
  • Snow Plow Prep / Camper Package
  • Trailering Package
  • X31 Off-Road Package

Dealer-provided information may change. Confirm availability, price, vehicle condition, taxes and fees with the selling dealership.

AutosXchange Intel

Vehicle price analysis

Live listings · within 100 miles of Acton, Massachusetts
Asking price$67,330Dealer asking price · 7 mi
Market value$68,474Market value · based on 13 comparable cars
vs. market Fair price-1.7%Fair price · based on 13 comparable cars

Where this price sits

In the typical middle range · 54% of 13 similar listings ask more than this car.

$60,439lowest$75,168highest
Middle 50% of asking pricesMarket valueThis car

Price vs. market value

-1.7%
−25%Market value+25%
Fair price$1,144 below the market value of $68,474

Price range

$67,330
$60,439$75,168
7th lowest price of 14 similar listings within 100 milesTick marks the market value · range of 13 similar listings

AutosXchange Insights

  • Compared with 13 new 2026 GMC Sierra 3500 SLE listings within 100 mi.
  • Priced $1,144 below the market value of 13 comparable cars.
  • 7th lowest price of 14 similar listings within 100 miles.
  • About 7 miles per year of age (U.S. average is roughly 12,000–14,000).
  • Stock # P8199 — mention it when you call or text.

How we calculate market value: comparable cars for sale now plus their last listed prices.

Price history

Price tracked by AutosXchange since Nov 7, 2026. No price change at this dealership since Nov 7 ($67,330).0 price changes at this dealership: $67,330 → $67,330.

$67.1k$67.2k$67.3k$67.4k$67.5k$67.6kNov 7Nov 8Nov 9Nov 10Nov 11

AutosXchange Intel Hub: Price changes for this model in Massachusetts · This model in the Intel Hub · Market movers in Massachusetts

Dealer-advertised asking prices as observed by AutosXchange (data as of Nov 11); earlier listings at other dealerships are shown by state only. Source: AutosXchange Intel Hub, autos-xchange.com/market.

Cars this price is compared to

Same 2026 Sierra 3500 SLE · new · within 100 miles of Acton, Massachusetts. Showing the 12 nearest of 13 comparable cars for sale, nearest first.

More GMC Sierra 3500 near Acton

All years and trims. Nearest first.