Used 2021 GMC Sierra 1500 AT4
Price $52,995
Purchase Price $52,995
Plus a $699 Safety & Security Fee. Plus Taxes & Fees

Used 2021 GMC Sierra 1500 AT4

5.83ft Box Length - No Reported Accidents - 3.0L Duramax Diesel - Heated & Cooling Seats - Apple Carplay & Android Auto - Back Up Camera - Multi Pro Tailgate
84,952 km
City: 14.7L/100 km • Hwy: 11.2L/100 km
Purchase Price
$52,995
Plus a $699 Safety & Security Fee. Plus Taxes & Fees
$52,995
Plus a $699 Safety & Security Fee. Plus Taxes & Fees
+ Taxes and Fees
Vehicle Details
    Body Style
    Truck
    Engine
    3.0L 6Cyl
    Exterior Colour
    Black
    Interior Colour
    Black
    Transmission
    Automatic
    Drivetrain
    4×4
    VIN
    1GTU9EET9MZ427430
    Stock
    58B12252
    Fuel Type
    Diesel
    Trim Details
    Crew Cab Short Box 4-Wheel Drive AT4
Description

2021 GMC Sierra 1500 AT4 3.0L Duramax

Premium off-road capability meets refined diesel performance in this 2021 GMC Sierra 1500 AT4 Duramax, a rugged full-size truck built to handle tough terrain while delivering upscale comfort and advanced technology. Under the hood is the smooth and efficient 3.0L Duramax turbo-diesel inline-6 producing 277 horsepower and 460 lb-ft of torque, paired with a refined 10-speed automatic transmission and a capable 4x4 system for confident performance in all conditions. With impressive low-end torque, a quiet diesel powertrain, and excellent ride quality, the Sierra AT4 offers both serious capability and everyday comfort. The AT4 trim is built for adventure, featuring a factory 2-inch suspension lift, Rancho monotube shocks, skid plates, hill descent control, red recovery hooks, and an automatic locking rear differential for enhanced off-road performance. Inside, the cabin blends rugged styling with premium finishes, offering leather-appointed seating, heated front seats, a heated steering wheel, Bose premium audio, navigation, and a touchscreen infotainment system with Apple CarPlay & Android Auto. The bold AT4 styling, dark accents, and aggressive stance give this Sierra a commanding presence on the road or trail. With its no reported accident history, this truck delivers added peace of mind along with premium diesel capability.

✅ 3.0L Duramax Turbo-Diesel Inline-6 — 277 HP and 460 lb-ft of torque

✅ 10-Speed Automatic Transmission with 4x4

✅ AT4 Package — Factory 2" lift & off-road suspension

✅ Rancho Shocks, Skid Plates & Red Recovery Hooks

✅ Leather Interior with Heated Front Seats & Heated Steering Wheel

✅ Navigation, Bose Premium Audio & Smartphone Integration

✅ No Reported Accidents

Here at Bannister Chevrolet Penticton, we make it easy to buy a vehicle from us, with delivery options available to you. Not only that—we offer great prices for your vehicle. We. Buy. Cars! And we want yours. If you're ready to get out of your vehicle and into a new one, reach out today!

Installed Packages
  • At4 Preferred Equipment Group • 4SB
    includes standard equipment
  • Transmission, 10-Speed Automatic, Electronically Controlled • MQB
    with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.)
  • Gvwr, 7100 Lbs. (3221 Kg) • C5Y
  • Rear Axle, 3.23 Ratio • GU5
  • Wheels, 18" X 8.5" (45.7 Cm X 21.6 Cm) Machined Aluminum • RT5
    with Dark Grey accents
  • Tires, 265/65R18Sl All-Terrain, Blackwall • XCK
  • Onyx Black • GBA
  • Seats, Front Bucket • A50
    with centre console
  • Jet Black With Kalahari Accents, Perforated Front Leather Seat Trim • HVD
  • Audio System, Premium Gmc Infotainment System • IOS
    with 8" diagonal colour touch-screen, includes 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, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (Includes (PZ8) Hitch Guidance with hitch view.)
  • Option/Package Discount • R7C
  • Engine Block Heater • K05
  • Lpo, Wheel Locks, Set Of 4 • SFE
    (dealer-installed)
  • Not Equipped With Hd Radio, See Dealer For Details • RGC
    (Certain vehicles built on or after 7-12-2021 will include (RGC) Not Equipped with HD Radio, which removes (U2L) HD Radio. See dealer for details.)
  • Not Equipped With Heated Second Row Outboard Seats, See Dealer For Details • RFU
    (Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats.)
No matches were found.
Options
  • Air Conditioning
  • Alloy Wheels
  • Backup Camera
  • Bluetooth Connection
  • Cooled Seats
  • Cruise Control
  • Heated Seats
  • Keyless Entry
  • Leather Seats
  • Power Seats
  • Power Windows
  • Remote Start
  • Satellite Radio
  • Smart Device Integration
  • Wi-Fi Hotspot
No matches were found.
Entertainment
  • AM/FM Stereo
  • Auxiliary Audio Input
  • Bluetooth Connection
  • MP3 Player
  • Smart Device Integration
  • HD Radio
  • Requires Subscription
  • Satellite Radio
  • Audio system feature, 6-speaker system
  • Steering Wheel Audio Controls
  • WiFi Hotspot
Exterior
  • Aluminum Wheels
  • Tires - Front All-Terrain
  • Tires - Rear All-Terrain
  • Tires - Front All-Season
  • Tires - Rear All-Season
  • Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
  • Wheelhouse liners, rear
  • Bumper, front, body-colour lower (Front bumper colour will be high gloss black.)
  • Bumper, rear body-colour with corner steps
  • CornerStep, rear bumper
  • Grille (Body-colour surround with high gloss Black mesh and Black chrome inserts. With (PCP) AT4 CarbonPro Edition the grille will have a unique grille surround with Black Chrome finish.)
  • Daytime Running Lights
  • Fog Lamps
  • Taillamps, LED signature taillight with LED stop and reverse light
  • 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 box activated with switch on centre switch bank or key fob
  • Heated Mirrors
  • Mirror Memory
  • Power Folding Mirrors
  • Power Mirror(s)
  • Privacy Glass
  • Integrated Tailgate Step
  • Tailgate, gate function manual with EZ Lift, includes power lock and release includes hitch area light
  • Tailgate and bed rail protection caps, top
  • Door handles, body-colour
  • Bed Liner
  • Cargo tie downs (12), fixed rated at 500 lbs (226.8 kg) per corner
Interior
  • Bucket Seats
  • Leather Seats
  • Driver Adjustable Lumbar
  • Power Driver Seat
  • Passenger Adjustable Lumbar
  • Power Passenger Seat
  • Heated Front Seat(s)
  • Cooled Front Seat(s)
  • Rear Bench Seat
  • Centre console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
  • Floor covering, colour-keyed carpeting
  • Floor Mats
  • Adjustable Steering Wheel
  • Steering column, lock control, electrical
  • Leather Steering Wheel
  • Heated Steering Wheel
  • Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
  • Compass, located in instrument cluster
  • Driver Information Centre, 4.2" diagonal colour display includes driver personalization
  • In-vehicle Trailering App includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
  • Power Windows
  • Power Door Locks
  • Keyless Entry
  • Keyless Start
  • Remote Engine Start
  • Cruise Control
  • Mirror Memory
  • Seat Memory
  • Security System
  • Auxiliary Audio Input
  • MP3 Player
  • Power Outlet
  • Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • USB ports, dual, charge-only (2nd row)
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
  • A/C
  • Climate Control
  • Multi-Zone A/C
  • Rear Defrost
  • Auto-Dimming Rearview Mirror
  • Assist handles, front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
Mechanical
  • 8 Cylinder Engine
  • Gasoline Fuel
  • 10-Speed A/T
  • A/T
  • Pickup bed
  • GVWR, 7000 lbs. (3175 kg) (Requires Crew Cab model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
  • Air filter, heavy-duty
  • Automatic Stop/Start (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 that are equipped with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content. See dealer for details.)
  • Hill Descent Control
  • Locking/Limited Slip Differential
  • Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
  • Suspension, Off-Road with 2" factory installed lift and monotube shocks
  • Four Wheel Drive
  • Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
  • Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine, (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
  • Frame, fully-boxed, hydroformed front section
  • Skid Plates
  • Trailer brake controller, integrated
  • Tow Hooks
  • Power Steering
  • 4-Wheel Disc Brakes
  • ABS
  • Brake lining wear indicator
  • Capless Fuel Fill
  • Exhaust, aluminized stainless-steel muffler and tailpipe
  • Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
Package
  • Tow Hitch
  • ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
Safety
  • Stability Control
  • Traction 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
  • Back-Up Camera
  • Hitch Guidance
  • Driver Restriction Features
  • Tire Pressure Monitor
  • Rear Seat Reminder
No matches were found.
Summary
  • Vehicle Name
    GMC Sierra 1500
  • Body Style
    Crew Cab Pickup
  • Body Code
    E63
Transmission
  • Drivetrain
    Four Wheel Drive
  • Trans Order Code
    MQB
  • Trans Type
    10
  • Trans Description Cont.
    Automatic
  • First Gear Ratio (:1)
    4.69
  • Second Gear Ratio (:1)
    2.98
  • Third Gear Ratio (:1)
    2.15
  • Fourth Gear Ratio (:1)
    1.8
  • Fifth Gear Ratio (:1)
    1.52
  • Sixth Gear Ratio (:1)
    1.28
  • 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)
    4.86
  • Transfer Case Model
    Magna MP3023/4
  • Transfer Case Gear Ratio (:1), High
    1.00
  • Transfer Case Gear Ratio (:1), Low
    2.69
Interior dimensions
  • Passenger Capacity
    5
  • Front Head Room (in)
    43.03
  • 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)
    65.16
  • Second Hip Room (in)
    60.24
Weight information
  • Gross Axle Wt Rating - Front (lbs)
    3800
  • Gross Axle Wt Rating - Rear (lbs)
    3800
  • Curb Weight - Front (lbs)
    2839
  • Curb Weight - Rear (lbs)
    1976
  • Gross Vehicle Weight Rating Cap (lbs)
    7100
  • Gross Combined Wt Rating (lbs)
    15000
Mileage
  • EnerGuide Estimate - City (L/100 km)
    14.7
  • EnerGuide Estimate - Hwy (L/100 km)
    11.2
Emissions
  • G/km Of CO2 Emissions
    307
Trailering
  • Dead Weight Hitch - Max Trailer Wt. (lbs)
    5000
  • Dead Weight Hitch - Max Tongue Wt. (lbs)
    500
  • Wt Distributing Hitch - Max Trailer Wt. (lbs)
    9200
  • Wt Distributing Hitch - Max Tongue Wt. (lbs)
    920
  • Fifth Wheel Hitch - Max Trailer Wt. (lbs)
    7500
  • Fifth Wheel Hitch - Max Tongue Wt. (lbs)
    1875
  • Maximum Trailering Capacity (lbs)
    9200
Engine
  • Engine Type
    Gas V8
  • Fuel System
    Direct Injection
  • Engine Order Code
    L84
  • Displacement
    5.3L/325
  • SAE Net Horsepower @ RPM
    355 @ 5600
  • SAE Net Torque @ RPM
    383 @ 4100
  • Engine Oil Cooler
    Yes
Electrical
  • Cold Cranking Amps @ 0° F (Primary)
    730
  • Maximum Alternator Capacity (amps)
    170
Frame
  • Frame Type
    Box Ladder
Suspension
  • Suspension Type - Front
    Independent
  • Suspension Type - Rear
    Solid Axle
  • Spring Capacity - Front (lbs)
    3800
  • Spring Capacity - Rear (lbs)
    3850
  • Axle Capacity - Front (lbs)
    3800
  • Axle Capacity - Rear (lbs)
    3800
  • Axle Ratio (:1) - Front
    3.23
  • Axle Ratio (:1) - Rear
    3.23
  • Shock Absorber Diameter - Front (mm)
    50
  • Shock Absorber Diameter - Rear (mm)
    51
  • Stabilizer Bar Diameter - Front (in)
    1.3
Tires
  • Front Tire Order Code
    XCK
  • Rear Tire Order Code
    XCK
  • Spare Tire Order Code
    XCQ
  • Front Tire Size
    265/65R18SL
  • Rear Tire Size
    265/65R18SL
  • Spare Tire Size
    265/70R17SL
  • Revolutions/Mile @ 45 mph - Front (Rev/Mile)
    N/A
  • Revolutions/Mile @ 45 mph - Rear (Rev/Mile)
    N/A
  • Revolutions/Mile @ 45 mph - Spare (Rev/Mile)
    N/A
Wheels
  • Front Wheel Size (in)
    18 x 8.5
  • Rear Wheel Size (in)
    18 x 8.5
  • Spare Wheel Size (in)
    17 x 8
  • Front Wheel Material
    Aluminum
  • Rear Wheel Material
    Aluminum
  • Spare Wheel Material
    Steel
Steering
  • Steering Type
    Electric Rack & Pinion
  • Turning Diameter - Curb to Curb (ft)
    46.3
  • 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)
    13.5 x 1.18
  • Rear Brake Rotor Diam x Thickness (in)
    13.6 x 0.79
Fuel tank
  • Fuel Tank Capacity, Approx (L)
    91
Exterior dimensions
  • Wheelbase (in)
    147.53
  • Length, Overall (in)
    231.72
  • Width, Max w/o mirrors (in)
    81.24
  • Height, Overall (in)
    78.35
  • Ground Clearance, Front (in)
    10.88
  • Ground Clearance, Rear (in)
    10.88
Cargo area dimensions
  • Cargo Box Length @ Floor (in)
    69.92
  • Cargo Box Width @ Floor (in)
    71.4
  • Cargo Box Width @ Wheelhousings (in)
    50.63
  • Cargo Box (Area) Height (in)
    22.4
  • Tailgate Width (in)
    71.4
  • Cargo Volume (ft³)
    62.9
No matches were found.
Location Alert:
This vehicle is located at one of our other Bannister Automotive Group dealerships. Please contact us at sales@bannisterfordpenticton.com or by phone 250-492-3800 to arrange a test drive.
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Certified
Location Alert:
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This vehicle is located at one of our other Bannister Automotive Group dealerships. Please contact us at sales@bannisterfordpenticton.com or by phone 250-492-3800 to arrange a test drive.
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Price includes all fees and charges, except for GST. Prices subject to change without notice. AMVIC Licensed.
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