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2026 GMC Sierra 3500 HD

For sale at Straightline Motor Group

Select your version

Starting at

$103,099 *

on cash purchase

Was

$106,099

Finance from as low as

$669 + tx / bi-weekly
3.99% 84 months

with $0 cash down

Lease from as low as

$748 + tx / bi-weekly
8.5% 48 months

with $0 cash down

Cash purchase offer is based on the 2026 GMC Sierra 3500 HD CC DENALI SRW 4WD (TK30743 1cc440350c67) model, with 6.6L 8 cyl. engine and 10 speed Automatic transmission. Cash purchase selling price is 103099.00 (plus taxes). Cash purchase selling price (103099.00) includes rebates: Cash Non Stackable (NSC) (3000.00). Cash purchase selling price (103099.00) includes: Freight and PDI (2600.00), Air conditioning excise tax (100.00) including installation. Plus (GST) & Licensing. Finance offer is based on the 2026 GMC Sierra 3500 HD CC DENALI SRW 4WD (TK30743 1cc440350c67) model, with 6.6L 8 cyl. engine and 10 speed Automatic transmission. Finance selling price is 106099.00 (plus taxes). Finance payments include: Freight and PDI (2600.00), Air conditioning excise tax (100.00) including installation. Finance offer is based on a 84 months term and 3.99% interest rate. 182 bi-weekly payments of 668.60 (702.03 taxes included) with 0.00 cash down and 0.00 net trade in. Cash down payments are due upon vehicle delivery. Trade-in tax credits require proof of ownership. Finance total obligation is 127769.46 (taxes included). Finance total cost of credit is 19515.51. Annual Percentage Rate (APR) is 4.85%. Limited time purchase financing offer on approved credit. Some customers will not qualify. Rates and requirements may vary depending on credit worthiness. Payments and conditions may vary for a commercial use. All applicable taxes are calculated on the total amount prior to deduction of the down payment. Lease offer is based on the 2026 GMC Sierra 3500 HD CC DENALI SRW 4WD (TK30743 1cc440350c67) model, with 6.6L 8 cyl. engine and 10 speed Automatic transmission. Lease selling price is 106099.00 (plus taxes). Lease payments include: Freight and PDI (2600.00), Air conditioning excise tax (100.00) including installation. Lease offer is based on a 48 months term and 8.5% interest rate. 104 bi-weekly payments of 747.78 (785.17 taxes included) with 0.00 cash down and 0.00 net trade in. 0.00 down payment and tax on down payment, 0.00 net trade-in and 785.17 first payment are due at lease inception. Total amount due at lease inception is 785.17 (0.00 down payment, First payment (785.17) and (GST) 0.00). Trade-in tax credits require proof of ownership. Lease offer is based on a 20000 kilometer allowance per year. 0.16 fee per excess kilometer will apply. Estimated vehicle residual value is 56232.47. An option to purchase at lease end (Buy Back Value) of 56232.47 may be available. A security deposit might be required. Limited time leasing offer on approved credit. Some customers will not qualify. Rates and requirements may vary depending on credit worthiness. Payments and conditions may vary for a commercial use. Taxes on initial cash down and after tax rebates (including government rebate) are excluded and must be paid upon delivery. Lease total obligation is 81657.68 (taxes included). Lease total cost of credit is 30902.59. Annual Percentage Rate (APR) is 9.58%. The illustrated vehicle is based on the 2026 GMC Sierra 3500 HD CC DENALI SRW 4WD (TK30743 5SA) model, with 6.6L 8 cyl. engine and 10 speed Automatic transmission. The illustrated vehicle's cash purchase selling price is 103099.00. Levy and other environmental or related levies, other taxes (including, where applicable, GST and PST or HST), additional options, license, insurance and registration are extra. While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify all information and pricing with a sales representative or ask online. The dealership reserves the right to make changes at any time, without notice, to the prices, rates, models, materials, equipment, specifications, and availability, or to discontinue models or equipment. Vehicle trade-ins are subject to dealer's approval. Trade-in tax credits require proof of ownership.
*Offer details
Exterior Interior 360° View
2026 GMC Sierra 3500 HD DENALI - Summit White Summit White 2026 GMC Sierra 3500 HD DENALI - Sterling Metallic Sterling Metallic 2026 GMC Sierra 3500 HD DENALI - Onyx Black Onyx Black 2026 GMC Sierra 3500 HD DENALI - Titanium Rush Metallic Titanium Rush Metallic 2026 GMC Sierra 3500 HD DENALI - 2026 GMC Sierra 3500 HD DENALI - Downpour Metallic Downpour Metallic (+$495)
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Images serve as a reference only. The version shown may differ from that which was selected and may have features that are not available for this vehicle or not offered in Canada

2026 GMC Sierra 3500 HD

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2026 GMC Sierra 3500 HD DENALI

Specifications

2026 GMC Sierra 3500 HD DENALI

Standard

  • Brake lining wear indicator
  • Cooling, external engine oil cooler
  • Alternator, 170 amps
  • Rear axle, 3.73 ratio
  • Air filtration monitoring
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Cooling, auxiliary external transmission oil cooler
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Recovery hooks, front, Chrome
  • Hitch Guidance, dynamic single line to aid in truck trailer alignment for hitching
  • Air filter, heavy-duty
  • Auto-locking rear differential
  • Engine, 6.6L V8 with Direct Injection and Variable Valve Timing, gasoline, (401 hp [299 kW] @ 5200 rpm, 464 lb-ft of torque [629 N-m] @ 4000 rpm)
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Steering, Digital Variable Steering Assist, this system automatically adjusts steering based on speed, road conditions, and other inputs to reduce driver effort and fatigue

Optional

  • Engine Block Heater
  • Alternator, 220 amps
  • Transmission, 10-speed automatic
  • Suspension Package
  • Exhaust brake
  • Rear axle, 3.42 ratio
  • Winter Grille Cover
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel compatible, (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm)

Standard

  • Rear Seat Reminder
  • Rear Seat Belt Indicator
  • Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag
  • Teen Driver, a configurable feature that lets you activate customizable vehicle settings associated with a key fob...
  • Tire Pressure Monitoring System, auto learn, includes Tire Fill Alert (does not apply to spare tire)

Standard

  • Adaptive cruise control
  • Door locks, power
  • Steering wheel, heated
  • Air vents, rear
  • Floor covering, colour-keyed carpeting
  • Floor mats, carpeted front
  • Floor mats, carpeted rear
  • Steering wheel, wrapped
  • Air conditioning, dual-zone automatic climate control
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Seat Belt Adjustable Guide Loops, front row only
  • Mirror, inside rearview auto-dimming
  • Windows, power front, drivers express up/down
  • Windows, power rear, express down

Optional

  • Universal Vehicle Module
  • Premium Floor Liners with removable carpet insert, front
  • Premium Floor Liners with removable carpet insert, rear
  • Rear Camera Mirror, inside rearview auto-dimming with full camera display
  • LPO, Sport Pedal Cover Kit

Standard

  • Fog lamps, LED
  • Tailgate, GMC MultiPro Tailgate, with six functional load/access features
  • CornerStep, rear bumper
  • Tire, spare LT275/70R18 all-terrain, blackwall
  • Assist steps, chromed tubular, 6" rectangular cab length (factory installed)
  • Bed Step, Black, integrated on forward portion of bed on driver and passenger side
  • Bumper, front, body-colour lower
  • Bumper, rear body-colour with bumper CornerSteps
  • Capless Fuel Fill
  • Daytime Running Lamps, LED signature lighting
  • Cargo tie downs (12), fixed, rated at 500 lbs (226.8 kg) per corner
  • Headlamps, Animated LED projectors, LED turn signals and Daytime Running Lamps
  • LED Signature DRL's
  • Taillamps, Animated LED Signature Tail, Stop, turn and Reverse lamps
  • Lamps, cargo area, cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
  • Mirror caps, chrome
  • Mouldings, beltline, stainless steel
  • Pickup bed, includes bed assist step
  • Mirrors, outside power-adjustable vertical trailering with heated and auto-dimming upper glass, (driver and passenger), lower convex mirrors, turn signal indicators, puddle lamps, perimeter lighting, auxiliary lighting, power folding/extending
  • Tailgate, gate function manual with EZ Lift, includes power lock and release, includes hitch area light
  • Tailgate and bed rail protection caps, top
  • Tire carrier lock, keyed cylinder lock that utilizes same key as ignition and door
  • Tires, LT275/65R20 all-terrain, blackwall
  • Trailering Package, includes trailer hitch, 7-pin and 4-pin connectors and Hitch Guidance
  • Trailering Information Label, provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
  • Trailer brake controller, integrated
  • LPO, Rear wheelhouse liners, (dealer-installed)
  • Tires, LT275/65R20 all-terrain, blackwall
  • Wheels, 20" Ultra-bright machined wheels with bright chrome inserts with Black painted pockets

Optional

  • Assist steps, power-retractable, with LED perimeter lighting and bright accent
  • Capped Fuel Fill
  • LPO, MultiPro Tailgate Audio System by Kicker
  • License plate kit, front, Incandescent lighting (will be shipped to orders with ship-to provinces that require front license plate)

Standard

  • Wi-Fi hotspot capable
  • Bluetooth for phone, connectivity to vehicle infotainment system
  • OnStar services capable
  • Audio System, 13.4" diagonal Premium GMC Infotainment System with Google built in apps such as navigation and voice assistance, includes colour touchscreen, multi-touch display, AM/FM stereo, Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones
  • GMC Premium information Display - 13.4" diagonal Multicolour touch screen
  • Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
  • Compass, located in instrument cluster
  • Exterior Temperature Display, located in radio display
  • OnStar Basics (OnStar Fleet Basics for Fleet) Drive more confidently with up to 8 years of core OnStar services including mobile app commands, connectivity for select apps that provide in-vehicle voice assistance and navigation with real-time traffic, and Automatic Crash Response.

Optional

  • Multicolour 15" Diagonal Head-Up Display

Standard

  • Seats, front bucket with centre console
  • Seat adjuster, driver 12-way power including lumbar
  • Seat adjuster, passenger 12-way power including lumbar
  • Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models

Optional

  • Technology Package
  • LPO, Cargo Convenience Package, includes (S1O) Console-Mounted Safe, LPO and (VBJ) rear under seat storage, LPO, (dealer-installed)

4 Trims Available For 2026 GMC Sierra 3500 HD

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