2021 GMC Sierra 1500 AT4 TECH PKG SUNROOF LOADED!

LOADED UP AT4! THE HOTTEST TRUCK AROUND! Complete with Heated/Cooled Leather Seats, Navigation, Power Sliding Rear Window, Factory 2'' Lift, 5.3L V8 Engine, Surround Camera, 20'' Wheels, Dual Exhaust, and so much more!


Come see the Boyer Difference! Boyer GM in Napanee is a 2020 Presidents Club Winning Dealership
We are one of the Top 50 Dealership's in Canada, and the Fastest Growing in Ontario!
We are easy to get to located right on the 401 in Napanee. Try Boyer GM in Napanee today, it is worth the trip! We are a proud member of the Boyer Auto Group.

WE BEAT CITY PRICES!! We have been beating city prices for 25 Years! Boyer GM Napanee is your Regional Dealer right at HWY 401 and 41 in Napanee. We offer AGGRESSIVE Trade Ins Values on all makes and models! We have the full line up of Chevrolet Buick GMC and Corvette products available all right on Highway 401! Try Boyer GM in Napanee today, it is worth the trip! We are a proud member of the Boyer Auto Group

Engine: 5.3L ECOTEC3 V8

Safety Equipment

• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Daytime Running Lamps, LED signature lighting
• 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
• OnStar and GMC connected services capable (Terms and limitations apply. See onstar.ca or dealer for details.)
• HD Rear Vision Camera
• Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
• Hitch Guidance
• Teen Driver mode a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behaviour. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
• Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
• Rear Seat Reminder
• StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
• Daytime Running Lamps, LED signature lighting
• 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
• OnStar and GMC connected services capable (Terms and limitations apply. See onstar.ca or dealer for details.)
• HD Rear Vision Camera
• Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
• Hitch Guidance
• Teen Driver mode a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behaviour. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
• Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
• Rear Seat Reminder

Interior Equipment

• Compass, located in instrument cluster
• Driver Information Centre, 4.2" diagonal colour display includes driver personalization
• Exterior Temperature Display, located in radio display
• In-vehicle Trailering App includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
• Seats, front bucket with centre console
• Windows, power front, drivers express up/down
• Perforated Leather appointed front seat trim
• Window, power front, passenger express up/down
• Seat adjuster, driver 10-way power including lumbar
• Windows, power rear, express down (Not available on Regular Cab models.)
• Seat adjuster, passenger 10-way power including lumbar
• Door locks, power
• Seating, heated driver and front outboard passenger
• Keyless Open and Start
• Seats, ventilated driver and front passenger
• Remote vehicle starter system
• Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, centre fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
• Cruise control, steering wheel-mounted
• Centre console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Driver memory recalls driver "presets" for power driver seat and outside mirrors
• Floor covering, colour-keyed carpeting
• Theft-deterrent system, unauthorized entry
• Premium Floor Liners with removable carpet insert, front
• USB ports, 2 (first row) located on instrument panel
• Premium Floor Liners with removable carpet insert, rear
• USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
• Steering column, manual Tilt-Wheel and telescoping
• Power outlet, front auxiliary, 12-volt
• Steering column, lock control, electrical
• Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
• Steering wheel, leather-wrapped
• USB ports, dual, charge-only (2nd row)
• Steering wheel, heated
• Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
• Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• Power outlet, rear auxiliary, 12-volt
• Air conditioning, dual-zone automatic climate control
• Air vents, rear
• Defogger, rear-window electric
• Mirror, inside rearview auto-dimming
• 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.)
• Seats, front bucket with centre console
• Perforated Leather appointed front seat trim
• Seat adjuster, driver 10-way power including lumbar
• Seat adjuster, passenger 10-way power including lumbar
• Seating, heated driver and front outboard passenger
• Seats, ventilated driver and front passenger
• Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models includes full-length bench seat, seatback storage on left and right side, centre fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
• Centre console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
• Floor covering, colour-keyed carpeting
• Premium Floor Liners with removable carpet insert, front
• Premium Floor Liners with removable carpet insert, rear
• Steering column, manual Tilt-Wheel and telescoping
• Steering column, lock control, electrical
• Steering wheel, leather-wrapped
• Steering wheel, heated
• Instrument cluster 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
• Exterior Temperature Display, located in radio display
• 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
• Windows, power front, drivers express up/down
• Window, power front, passenger express up/down
• Windows, power rear, express down (Not available on Regular Cab models.)
• Door locks, power
• Keyless Open and Start
• Remote vehicle starter system
• Cruise control, steering wheel-mounted
• Driver memory recalls driver "presets" for power driver seat and outside mirrors
• Theft-deterrent system, unauthorized entry
• USB ports, 2 (first row) located on instrument panel
• USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
• Power outlet, front auxiliary, 12-volt
• 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)
• Power outlet, rear auxiliary, 12-volt
• Air conditioning, dual-zone automatic climate control
• Air vents, rear
• Defogger, rear-window electric
• Mirror, inside rearview auto-dimming
• 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.)

Exterior Equipment

• Cargo tie downs (12), fixed rated at 500 lbs (226.8 kg) per corner
• 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.)
• Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
• Fog lamps, LED
• 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
• Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming, puddle lamps, side perimeter lighting and memory
• Mirror caps, high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
• Glass, deep-tinted
• Tailgate, GMC MultiPro Tailgate with six functional load/access features
• Tailgate, gate function manual with EZ Lift, includes power lock and release includes hitch area light
• Tailgate and bed rail protection caps, top
• Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) machined aluminum with Dark Grey accents
• Door handles, body-colour
• Tires, 265/65R18SL all-terrain, blackwall
• Bed Liner, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo.)
• Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) machined aluminum with Dark Grey accents
• Tire, spare 265/70R17SL all-season, blackwall
• Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
• Tires, 265/65R18SL all-terrain, blackwall
• Wheelhouse liners, rear
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Tire, spare 265/70R17SL all-season, blackwall
• Bumper, front, body-colour lower (Front bumper colour will be high gloss black.)
• Bumper, rear body-colour with corner steps
• Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
• 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.)
• Wheelhouse liners, rear
• Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
• Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
• Fog lamps, LED
• Taillamps, LED signature taillight with LED stop and reverse light
• Bumper, front, body-colour lower (Front bumper colour will be high gloss black.)
• 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
• Bumper, rear body-colour with corner steps
• Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming, puddle lamps, side perimeter lighting and memory
• Mirror caps, high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
• Glass, deep-tinted
• Tailgate, GMC MultiPro Tailgate with six functional load/access features
• 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, Spray-on Pickup bedliner with GMC logo (does not include spray-on liner on tailgate due to Black composite inner panel) (AT4 logo replaces GMC logo.)
• Cargo tie downs (12), fixed rated at 500 lbs (226.8 kg) per corner

Entertainment Equipment

• Steering wheel audio controls
• 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)
• Audio system, Premium GMC Infotainment System 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.)
• HD Radio (Standard on vehicles built before 7-12-2021. 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.)
• SiriusXM enjoy an All Access trial subscription with over 140+ channels including commercial-free music, plus sports, news and entertainment. Plus listening on the SiriusXM app, online and at home on compatible connected devices is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM.
• SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favourites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.ca for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com/ca for details and limitations.)
• Audio system feature, 6-speaker system,
• Wireless Phone Projection for Apple CarPlay and Android Auto
• Bluetooth for phone connectivity to vehicle infotainment system
• Audio system, Premium GMC Infotainment System 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.)
• HD Radio (Standard on vehicles built before 7-12-2021. 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.)
• SiriusXM enjoy an All Access trial subscription with over 140+ channels including commercial-free music, plus sports, news and entertainment. Plus listening on the SiriusXM app, online and at home on compatible connected devices is included, so you'll hear the best SiriusXM has to offer, anywhere life takes you. Welcome to the world of SiriusXM.
• SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favourites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.ca for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, working electrical system, cell reception and GPS signal. See onstar.com/ca for details and limitations.)
• Audio system feature, 6-speaker system,
• Wireless Phone Projection for Apple CarPlay and Android Auto
• Bluetooth for phone connectivity to vehicle infotainment system
• Steering wheel audio controls
• 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)

Mechanical Equipment

• Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
• Frame, fully-boxed, hydroformed front section
• Suspension, Off-Road with 2" factory installed lift and monotube shocks
• 4-wheel drive
• Skid Plates
• Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
• Trailer brake controller, integrated
• 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.)
• Recovery hooks, Red
• 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
• Steering, Electric Power Steering (EPS) assist, rack-and-pinion
• Skid Plates
• Trailer brake controller, integrated
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Recovery hooks, Red
• Steering, Electric Power Steering (EPS) assist, rack-and-pinion
• Brake lining wear indicator
• Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
• Capless Fuel Fill
• Brake lining wear indicator
• Capless Fuel Fill
• Exhaust, aluminized stainless-steel muffler and tailpipe
• Exhaust, aluminized stainless-steel muffler and tailpipe
• Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
• Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
• Engine, 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring available Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency (Not available on TK10743 model.)
• Transmission, 10-speed automatic, electronically controlled 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.)
• Rear axle, 3.23 ratio
• 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
• Auto-locking rear 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
• 4-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.)
• Engine, 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring available Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency (Not available on TK10743 model.)
• Transmission, 10-speed automatic, electronically controlled 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.)
• Rear axle, 3.23 ratio
• 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
• Auto-locking rear differential

Other Equipment

• Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App
• Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance
• ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App