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New 2026 GMC Sierra 3500HD AT4
Price $119,633
MSRP $122,633
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    -$3,000
    Required packages: 4SB
    Valid from 2026/01/06 - 2026/02/02
Bannister Price $119,633
Price does not include taxes and licensing fees.
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New 2026 GMC Sierra 3500HD AT4

4WD Crew Cab Standard Box AT4 - DURMAX DIESEL, SUNROOF, DUAL ZONE AUTOMATIC CLIMATE CONTROL, WIRELESS CHARGING, HEATED STEERING WHEEL, ADAPTIVE CRUISE CONTROL, HEATED & VENTILATED FRONT SEATS
36 models in stock
Finance from
$386

$122,633.00 x 84 months @ 3.99% APR with $0.00 down payment (4.76% effective rate, cost of borrowing $17,968.60). Plus taxes and licence.
$386

$122,633.00 x 84 months @ 3.99% APR with $0.00 down payment (4.76% effective rate, cost of borrowing $17,968.60). Plus taxes and licence.
/ Weekly
Lease from
$460

$122,633.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.32% effective rate, cost of borrowing $31,452.15). Plus taxes and licence.
$460

$122,633.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.32% effective rate, cost of borrowing $31,452.15). Plus taxes and licence.
/ Weekly
Bannister Price
$119,633
Price does not include taxes and licensing fees.
$119,633
Price does not include taxes and licensing fees.
+ Taxes and Fees
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2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4
2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4 2026 GMC Sierra 3500HD AT4
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2026 GMC Sierra 3500HD AT4
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Vehicle Details
    Body Style
    Truck
    Engine
    6.6L 8Cyl
    Exterior Colour
    Tan
    Interior Colour
    Black
    Transmission
    Automatic
    Drivetrain
    4×4
    Doors
    4
    VIN
    1GT4UVEYXTF161152
    Stock #
    5426-271
    Condition
    New
    Trim Details
    4WD Crew Cab Standard Box AT4

The 2026 GMC Sierra 3500HD AT4 is a rugged, off‑road‑focused heavy‑duty pickup that combines serious capability with trail‑ready confidence and modern comfort. Designed for drivers who tackle tough terrain as often as tough jobs, the AT4 adds distinctive off‑road styling cues, an enhanced suspension with off‑road tuned components, and all‑terrain tires that help it stay composed on rough surfaces. Inside, the cabin offers durable yet refined materials and user‑friendly technology that make long drives more enjoyable, along with helpful driver‑assist features and advanced camera views that improve visibility when navigating challenging conditions or hauling large loads. With its blend of robust design, off‑road capability, and thoughtful interior amenities, the Sierra 3500HD AT4 delivers a capable and confident heavy‑duty truck experience.

Contact our sales department at 250-860-7700 for more information. $695 documentation fee, plus a $599 business admin fee will be charged on the purchase of all New and Pre-Owned vehicles from Bannister Cadillac Buick GMC LTD

Packages & Options
Standard Equipment
Technical Specifications
Installed Packages
  • At4 Preferred Equipment Group • 4SB
    includes standard equipment
  • Engine, Duramax 6.6L Turbo-Diesel V8, B20-Diesel Compatible • L5P
    (470 hp [350.5 kW] @ 2800 rpm, 975 lb-ft of torque [1322 Nm] @ 1600 rpm) (Includes (K05) engine block heater.)
  • Transmission, 10-Speed Automatic • MGM
  • Gvwr, 12,100 Lbs. (5488 Kg) With Single Rear Wheels • G4Y
  • Rear Axle, 3.42 Ratio • GU6
  • Wheels, 20" (50.8 Cm) High Gloss Black Aluminum Wheels, 8 Spokes • Q7N
  • Tires, Lt275/65R20 All-Terrain, Blackwall • QF9
  • Costal Dune • G42
  • Seats, Front Bucket With Centre Console • A50
  • Jet Black With Kalahari Accents, Perforated Front Leather Seating Surfaces • HVD
  • Audio System, 13.4" Diagonal Premium Gmc Infotainment System • IOK
    with Google built in apps such as navigation and voice assistance, includes colour touch-screen, 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.
  • At4 Premium Plus Package • PDG
    includes (PDO) AT4 Preferred Package, (CF5) power sunroof, (CWM) Technology Package and (VXW) Off-Road High Clearance step, LPO
  • Technology Package • CWM
    includes (DRZ) Rear Camera Mirror and (UV6) Multicolour 15" Diagonal Head-Up Display
  • At4 Preferred Package • PDO
    includes (UG1) Universal Home Remote, (A48) rear sliding power window and (U01) Roof Marker Lamps
  • Engine Block Heater • K05
  • Alternators, Dual, 220-Amps Primary, 170-Amps Auxiliary • KHF
  • Exhaust Brake • K40
  • Sunroof, Power • CF5
  • Assist Steps, Power-Retractable, Black • B3L
    includes LED lighting
  • Lpo, Body Colour Wheel Arch Mouldings • SF6
    (dealer-installed)
  • Winter Grille Cover • BHP
  • Lamps, Smoked Amber Roof Marker, (Led) • U01
  • Window, Power, Rear Sliding • A48
    with rear defogger
  • License Plate Kit, Front • VK3
  • Lpo, Multipro Tailgate Audio System By Kicker • SAX
    (dealer-installed)
  • Lpo, All-Weather Floor Liners, 1St And 2Nd Rows • AAK
    (includes AT4 logo)
  • Multicolour 15" Diagonal Head-Up Display • UV6
  • Universal Home Remote • UG1
  • Rear Camera Mirror • DRZ
    inside rearview auto-dimming with full camera display
  • 3 Years Siriusxm • R6P
No matches were found.
Options
  • Air Conditioning
  • Alloy Wheels
  • Backup Camera
  • Bluetooth Connection
  • Cooled Seats
  • Cruise Control
  • Heated Seats
  • Keyless Entry
  • Lane Assist
  • Leather Seats
  • Navigation System
  • Parking Sensors
  • Power Seats
  • Power Windows
  • Remote Start
  • Running Boards
  • Satellite Radio
  • Smart Device Integration
  • Wi-Fi Hotspot
No matches were found.
Entertainment
  • AM/FM Stereo
  • Auxiliary Audio Input
  • Bluetooth Connection
  • MP3 Player
  • Navigation System
  • Smart Device Integration
  • Requires Subscription
  • Satellite Radio
  • Premium Sound System
  • WiFi Hotspot
Exterior
  • Aluminum Wheels
  • Tires - Front All-Terrain
  • Tires - Rear All-Terrain
  • Conventional Spare Tire
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Bumper, front, body-colour lower
  • Bumper, rear body-colour with bumper CornerSteps
  • CornerStep, rear bumper
  • Bed Step, Black integrated on forward portion of bed on driver and passenger side
  • Mouldings, beltline, Black
  • Wheelhouse liners, rear
  • Bed Liner
  • Cargo tie downs (12), fixed, rated at 500 lbs per corner
  • Grille, Gloss Black header and grille insert bars with Black chrome accents
  • Daytime Running Lights
  • LED Headlights
  • Automatic Highbeams
  • Fog Lamps
  • 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
  • LED Cargo Area Lighting located in cargo bed activated with switch on centre switch bank or key fob
  • Heated Mirrors
  • Integrated Turn Signal Mirrors
  • Power Folding Mirrors
  • Power Mirror(s)
  • Mirror caps, high gloss Black
  • Intermittent Wipers
  • Rain Sensing Wipers
  • Variable Speed Intermittent Wipers
  • Privacy Glass
  • Door handles, body-colour
  • Integrated Tailgate Step
  • Tailgate and bed rail protection caps, top
  • Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
Interior
  • Bucket Seats
  • Leather Seats
  • Driver Adjustable Lumbar
  • Power Driver Seat
  • Passenger Adjustable Lumbar
  • Power Passenger Seat
  • Pass-Through Rear Seat
  • Rear Bench Seat
  • Heated Front Seat(s)
  • Cooled Front Seat(s)
  • Heated Rear Seat(s)
  • Mirror Memory
  • Seat Memory
  • Centre Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, colour-keyed carpeting
  • Floor Mats
  • Heated Steering Wheel
  • Adjustable Steering Wheel
  • Steering Wheel Audio Controls
  • Driver Information Centre, enhanced, 12.3" diagonal reconfigurable multicolour digital display
  • GMC Premium information Display- 13.4" diagonal Multicolour touch screen
  • Exterior Temperature Display located in radio display
  • Compass, located in instrument cluster
  • Tire Pressure Monitor
  • Window, power front, drivers express up/down
  • Power Windows
  • Power Door Locks
  • Remote Engine Start
  • Keyless Entry
  • Keyless Start
  • Adaptive Cruise Control
  • Cruise Control
  • Security System
  • Wireless Charging
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB ports, (2) charge-only, rear
  • Auxiliary Audio Input
  • MP3 Player
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • A/C
  • Climate Control
  • Multi-Zone A/C
  • Air vents, rear
  • Rear Defrost
  • Auto-Dimming Rearview Mirror
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
Mechanical
  • 8 Cylinder Engine
  • Gasoline Fuel
  • 10-Speed A/T
  • A/T
  • Rear axle, 3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
  • Running Boards/Side Steps
  • GVWR, 11,550 lbs. (5239 kg) with single rear wheels (Included and only available with TK30743 model and (L8T) 6.6L V8 gas engine. Requires single rear wheels.)
  • Keyless Start
  • Air filter, heavy-duty
  • Air filtration monitoring
  • Transfer case, two-speed active electronic Autotrac with push button control
  • Locking/Limited Slip Differential
  • Four Wheel Drive
  • Cooling, external engine oil cooler
  • Cooling, auxiliary external transmission oil cooler
  • Battery, heavy-duty 720 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
  • Alternator, 170 amps (Requires (L8T) 6.6L V8 gas engine.)
  • Trailer brake controller, integrated
  • Tow Hooks
  • Frame, fully-boxed, hydroformed front section and a fully-boxed stamped rear section
  • Skid Plates protect the oil pan, front axle and transfer case
  • Suspension, Off-Road includes twin-tube shocks
  • Power Steering
  • 4-Wheel Disc Brakes
  • ABS
  • Brake lining wear indicator
  • Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine.)
Package
  • Automatic Highbeams
  • Front Collision Mitigation
  • Front Collision Warning
  • Lane Departure Warning
  • X31 Off-Road Package includes (JHD) Hill Descent Control, (NZZ) skid plates, Off-Road suspension and Twin-tube Rancho shocks
  • Tow Hitch
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (UET) In-vehicle Trailering App
Processing-other
  • Trailering Information Label provides max trailer ratings for tongue weight, conventional, gooseneck and 5th wheel trailering
Safety
  • Front Collision Mitigation
  • Front Collision Warning
  • Stability Control
  • Traction Control
  • Hill Descent Control
  • Daytime Running Lights
  • Driver Air Bag
  • Front Head Air Bag
  • Front Side Air Bag
  • Passenger Air Bag
  • Passenger Air Bag Sensor
  • Rear Head Air Bag
  • Requires Subscription
  • Telematics
  • Rear Parking Aid
  • Aerial View Display System
  • Back-Up Camera
  • Bed View Camera camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions
  • Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
  • Trailer Camera Provisions and trailer viewing software
  • Cross-Traffic Alert
  • Blind Spot Monitor
  • Lane Departure Warning
  • Following Distance Indicator (Included and only available with (PDI) Sierra HD Pro Safety.)
  • Safety Alert Seat
  • Rear Seat Reminder
  • Driver Restriction Features
  • Seat Belt Adjustable Guide Loops, front row only
  • Rear Seat Belt Indicator (Requires Crew Cab or Double Cab model.)
  • Buckle to Drive prevents vehicle from being shifted out of Park until driver seat belt is fastened; times out after 20 seconds and encourages seat belt use (Included and only available with (PDI) Sierra HD Pro Safety)
  • Tire Pressure Monitor
No matches were found.
Summary
  • Vehicle Name
    GMC Sierra 3500HD
  • Body Style
    Crew Cab Pickup
  • Body Code
    E63
Transmission
  • Drivetrain
    Four Wheel Drive
  • Trans Order Code
    MGM
  • Trans Type
    10
  • Trans Description Cont.
    Automatic
  • First Gear Ratio (:1)
    4.54
  • Second Gear Ratio (:1)
    2.87
  • Third Gear Ratio (:1)
    2.06
  • Fourth Gear Ratio (:1)
    1.72
  • Fifth Gear Ratio (:1)
    1.48
  • Sixth Gear Ratio (:1)
    1.26
  • Seventh Gear Ratio (:1)
    1.00
  • Eighth Gear Ratio (:1)
    0.85
  • Ninth Gear Ratio (:1)
    0.69
  • Tenth Gear Ratio (:1)
    0.63
  • Reverse Ratio (:1)
    4.54
Interior dimensions
  • Passenger Capacity
    5
  • Front Head Room (in)
    39.88
  • Front Leg Room (in)
    44.53
  • Front Shoulder Room (in)
    66.02
  • Front Hip Room (in)
    61.18
  • Second Head Room (in)
    40.12
  • Second Leg Room (in)
    43.4
  • Second Shoulder Room (in)
    65.3
  • Second Hip Room (in)
    60.24
Weight information
  • Gross Axle Wt Rating - Front (lbs)
    5600
  • Gross Axle Wt Rating - Rear (lbs)
    7250
  • Gross Vehicle Weight Rating Cap (lbs)
    12100
  • Gross Combined Wt Rating (lbs)
    30000
Trailering
  • Dead Weight Hitch - Max Trailer Wt. (lbs)
    5000
  • Dead Weight Hitch - Max Tongue Wt. (lbs)
    500
  • Wt Distributing Hitch - Max Trailer Wt. (lbs)
    20000
  • Wt Distributing Hitch - Max Tongue Wt. (lbs)
    2000
  • Fifth Wheel Hitch - Max Trailer Wt. (lbs)
    21300
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    5325
  • Maximum Trailering Capacity (lbs)
    20000
Engine
  • Engine Order Code
    L5P
  • Engine Type
    Turbocharged Diesel V8
  • Displacement
    6.6L
  • Fuel System
    Direct Injection
  • SAE Net Horsepower @ RPM
    470 @ 2800
  • SAE Net Torque @ RPM
    975 @ 1600
  • Engine Oil Cooler
    Yes
Electrical
  • Cold Cranking Amps @ 0° F (Primary)
    720
  • Maximum Alternator Capacity (amps)
    220 & 170
Frame
  • Frame Type
    Hydroformed
Suspension
  • Suspension Type - Front
    Short/Long Arm w/Torsion Bars
  • Suspension Type - Rear
    3-Stage Multi-Leaf
  • Axle Type - Front
    Independent
  • Axle Ratio (:1) - Front
    3.42
  • Axle Ratio (:1) - Rear
    3.42
  • Shock Absorber Diameter - Front (mm)
    51
  • Shock Absorber Diameter - Rear (mm)
    51
  • Stabilizer Bar Diameter - Front (in)
    1.38
Tires
  • Front Tire Order Code
    QF9
  • Rear Tire Order Code
    QF9
  • Spare Tire Order Code
    ZYG
  • Front Tire Size
    LT275/65R20
  • Rear Tire Size
    LT275/65R20
  • Spare Tire Size
    LT275/70R18
Wheels
  • Front Wheel Size (in)
    18 x 8
  • Rear Wheel Size (in)
    18 x 8
  • Spare Wheel Size (in)
    18 x 8
  • Front Wheel Material
    Aluminum
  • Rear Wheel Material
    Aluminum
  • Spare Wheel Material
    Steel
Steering
  • Steering Type
    Pwr Recirculating Ball
  • Steering Ratio (:1), At Lock
    N/A
  • Turning Diameter - Curb to Curb (ft)
    52.7
  • Turning Diameter - Wall to Wall (ft)
    N/A
Brakes
  • Brake Type
    Pwr
  • Brake ABS System
    4-Wheel
  • Disc - Front
    Yes
  • Disc - Rear
    Yes
  • Front Brake Rotor Diam x Thickness (in)
    14 x 1.6
  • Rear Brake Rotor Diam x Thickness (in)
    14.1 x 1.3
Fuel tank
  • Fuel Tank Capacity, Approx (L)
    136
Exterior dimensions
  • Wheelbase (in)
    158.94
  • Length, Overall (in)
    250.75
  • Width, Max w/o mirrors (in)
    81.85
  • Height, Overall (in)
    81.2
  • Cab to Axle (in)
    42.17
  • Ground Clearance, Front (in)
    11.18
  • Ground Clearance, Rear (in)
    11.18
Cargo area dimensions
  • Cargo Box Length @ Floor (in)
    82.2
  • Cargo Box Width @ Floor (in)
    71.4
  • Cargo Box Width @ Wheelhousings (in)
    51.85
  • Cargo Box (Area) Height (in)
    21
  • Cargo Volume (ft³)
    69.5
No matches were found.

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Bannister Cadillac Buick GMC Ltd. Kelowna
2727 BC-97, Kelowna, BC V1X 4J8
+1 250-860-7700
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Lease from
$458 w
$122,138.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.32% effective rate, cost of borrowing $31,325.20). Plus taxes and licence.
MSRP:
$122,138
Bannister Price
$119,138
Price does not include taxes and licensing fees.
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 4SB
         -$3,000
View Details
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Financing Options
Free Trade-In Estimate
Finance from
$344 w
$113,083.00 x 84 months @ 2.99% APR with $0.00 down payment (4.36% effective rate, cost of borrowing $12,279.04). Plus taxes and licence.
Lease from
$335 w
$113,083.00 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, 5.49% effective rate, cost of borrowing $13,377.59). Plus taxes and licence.
MSRP:
$113,083
Bannister Price
$108,083
Price does not include taxes and licensing fees.
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 5SB
         -$5,000
View Details
2026 GMC Sierra 1500 Denali Ultimate
Crew Cab Short Box 4-Wheel Drive Denali Ultimate
VIN: 1GTUUHEL7TZ228729
City: 16L/100 km • Hwy: 12.1L/100 km
  • Body Style
    Truck
  • Engine
    6.2L
  • Exterior Colour
    Black
  • Transmission
    Automatic
  • Drivetrain
    4×4
  • Stock #
    5426-211
In-Transit
Finance from
$344 w
$113,083.00 x 84 months @ 2.99% APR with $0.00 down payment (4.36% effective rate, cost of borrowing $12,279.04). Plus taxes and licence.
Lease from
$335 w
$113,083.00 x 48 months @ 3.9% APR with $0.00 down payment (16,000 km/yr lease allowance, 5.49% effective rate, cost of borrowing $13,377.59). Plus taxes and licence.
MSRP:
$113,083
Bannister Price
$108,083
Price does not include taxes and licensing fees.
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    Required packages: 5SB
         -$5,000
View Details
Chat For Availability
Text For Availability
Financing Options
Free Trade-In Estimate
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Bannister Cadillac Buick GMC Ltd. Kelowna, BC / New Vehicles / 2026 GMC Sierra 3500HD AT4
Customize your payment
Cash
Finance
Lease
MSRP $122,633
  • Non-Stackable Cash Delivery Allowance (NSCDA) - CBG
    -$3,000
    Required packages: 4SB
    Valid from 2026/01/06 - 2026/02/02
Bannister Price $119,633
Price does not include taxes and licensing fees.
Term (mo.)
Frequency
MSRP $122,633
Price does not include taxes and licensing fees.
Interest rate
3.99%
Finance For
$122,633.00 x 84 months @ 3.99% APR with $0.00 down payment (4.76% effective rate, cost of borrowing $17,968.60). Plus taxes and licence.
$386 / w
Term (mo.)
Frequency
Mileage Allowance
MSRP $122,633
Price does not include taxes and licensing fees.
Interest rate
8.5%
Lease For
$122,633.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.32% effective rate, cost of borrowing $31,452.15). Plus taxes and licence.
$460 / w
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Calculate Payments
Finance
Lease
Total Obligation
$140,602
Weekly
$386
$122,633.00 x 84 months @ 3.99% APR with $0.00 down payment (4.76% effective rate, cost of borrowing $17,968.60). Plus taxes and licence.
Total Obligation
$95,641
Weekly
$460
$122,633.00 x 48 months @ 8.5% APR with $0.00 down payment (20,000 km/yr lease allowance, 9.32% effective rate, cost of borrowing $31,452.15). Plus taxes and licence.