GMCs for sale in Milton, ON

This vehicle has been previously used as a demonstrator by the dealership. It qualifies for applicable new vehicle incentives and programs, subject to eligibility requirements set by the manufacturer or program provider.

Driven as courtesy company vehicle. Wallace Chevrolet Cadillac Buick GMC is Milton's premier Chevrolet, Cadillac, Buick, and GMC dealership in Milton, Ontario. We offer an extensive selection of new and used cars, SUVs, and trucks, and our top priority is customer satisfaction, and an exceptional car buying and ownership experience. Were proud to serve the Milton and Mississauga areas, Halton Region, and the Greater Toronto Area as a leader in the auto industry. Beyond sales, we offer comprehensive auto repair and maintenance services to keep your vehicle running smoothly. Our certified technicians use state-of-the-art equipment to provide top-notch service, ensuring your car, SUV, or truck receives the best care possible. Experience the Wallace Chevrolet Cadillac Buick GMC difference today and discover why we Milton's premier GM dealer. Visit us to explore our inventory and experience our commitment to excellence in every aspect of the car ownership journey.

2019 GMC Sierra 1500 Elevation


Year: 2019

Make: GMC

Model: Sierra 1500

Trim: Elevation

Color: Onyx Black

Interior: Jet Black

Engine: 5.3L EcoTec3 V8

Transmission: 8-Speed Automatic

Drivetrain: 4WD

Mileage: [Insert mileage]



Packages:

Preferred Equipment Group

Elevation Convenience Package

Trailering Package

Dealer-Installed Options:

4" Black Round Assist Steps



Performance and Capability:

5.3L V8 Engine

8-Speed Automatic Transmission

4WD with Autotrac Transfer Case

Automatic Locking Rear Differential

Trailer Brake Controller

Hitch Guidance

GVWR: 7,000 lbs



Comfort and Convenience:

10-Way Power Driver Seat

Heated Front Seats

Heated Steering Wheel

Dual-Zone Automatic Climate Control

Remote Vehicle Start

Keyless Open & Start

Cruise Control

Power Door Locks & Windows



Safety and Security:

Rear Vision Camera

Teen Driver Technology

Tire Pressure Monitoring System

Stability & Traction Control

Multiple Airbags



Interior:

40/20/40 Front Split-Bench Seat

Leather-Wrapped Steering Wheel

Floor Carpeting

Rubberized Front & Rear Floor Mats

Rear Window Defogger



Exterior:

Onyx Black Paint Finish

20 Gloss Black Aluminum Wheels

Black Front Recovery Hooks

LED Front Fog Lamps

Rear Bumper CornerSteps

Rear Wheelhouse Liners



Technology:

GMC Infotainment System with 8 Touchscreen

Steering Wheel Audio Controls

Dual USB Ports

OnStar® Capability

4G LTE Wi-Fi Hotspot Capability



This 2019 GMC Sierra 1500 Elevation delivers bold styling, strong V8 performance, and everyday usability. Well-equipped with trailering features, modern technology, and a sharp blacked-out appearance, its an excellent choice for both work and personal use.

Contact us today to schedule a test drive or for additional details.

This vehicle has been previously used as a demonstrator by the dealership. It qualifies for applicable new vehicle incentives and programs, subject to eligibility requirements set by the manufacturer or program provider.

Driven as courtesy company vehicle. Wallace Chevrolet Cadillac Buick GMC is Milton's premier Chevrolet, Cadillac, Buick, and GMC dealership in Milton, Ontario. We offer an extensive selection of new and used cars, SUVs, and trucks, and our top priority is customer satisfaction, and an exceptional car buying and ownership experience. Were proud to serve the Milton and Mississauga areas, Halton Region, and the Greater Toronto Area as a leader in the auto industry. Beyond sales, we offer comprehensive auto repair and maintenance services to keep your vehicle running smoothly. Our certified technicians use state-of-the-art equipment to provide top-notch service, ensuring your car, SUV, or truck receives the best care possible. Experience the Wallace Chevrolet Cadillac Buick GMC difference today and discover why we Milton's premier GM dealer. Visit us to explore our inventory and experience our commitment to excellence in every aspect of the car ownership journey.

This vehicle has been previously used as a demonstrator by the dealership. It qualifies for applicable new vehicle incentives and programs, subject to eligibility requirements set by the manufacturer or program provider.

Driven as courtesy company vehicle. Wallace Chevrolet Cadillac Buick GMC is Milton's premier Chevrolet, Cadillac, Buick, and GMC dealership in Milton, Ontario. We offer an extensive selection of new and used cars, SUVs, and trucks, and our top priority is customer satisfaction, and an exceptional car buying and ownership experience. Were proud to serve the Milton and Mississauga areas, Halton Region, and the Greater Toronto Area as a leader in the auto industry. Beyond sales, we offer comprehensive auto repair and maintenance services to keep your vehicle running smoothly. Our certified technicians use state-of-the-art equipment to provide top-notch service, ensuring your car, SUV, or truck receives the best care possible. Experience the Wallace Chevrolet Cadillac Buick GMC difference today and discover why we Milton's premier GM dealer. Visit us to explore our inventory and experience our commitment to excellence in every aspect of the car ownership journey.

This vehicle has been previously used as a demonstrator by the dealership. It qualifies for applicable new vehicle incentives and programs, subject to eligibility requirements set by the manufacturer or program provider.

Driven as courtesy company vehicle. Wallace Chevrolet Cadillac Buick GMC is Milton's premier Chevrolet, Cadillac, Buick, and GMC dealership in Milton, Ontario. We offer an extensive selection of new and used cars, SUVs, and trucks, and our top priority is customer satisfaction, and an exceptional car buying and ownership experience. Were proud to serve the Milton and Mississauga areas, Halton Region, and the Greater Toronto Area as a leader in the auto industry. Beyond sales, we offer comprehensive auto repair and maintenance services to keep your vehicle running smoothly. Our certified technicians use state-of-the-art equipment to provide top-notch service, ensuring your car, SUV, or truck receives the best care possible. Experience the Wallace Chevrolet Cadillac Buick GMC difference today and discover why we Milton's premier GM dealer. Visit us to explore our inventory and experience our commitment to excellence in every aspect of the car ownership journey.

This vehicle has been previously used as a demonstrator by the dealership. It qualifies for applicable new vehicle incentives and programs, subject to eligibility requirements set by the manufacturer or program provider.

Used as courtesy company vehicle. Wallace Chevrolet Cadillac Buick GMC is Milton's premier Chevrolet, Cadillac, Buick, and GMC dealership in Milton, Ontario. We offer an extensive selection of new and used cars, SUVs, and trucks, and our top priority is customer satisfaction, and an exceptional car buying and ownership experience. We're proud to serve the Milton and Mississauga areas, Halton Region, and the Greater Toronto Area as a leader in the auto industry. Beyond sales, we offer comprehensive auto repair and maintenance services to keep your vehicle running smoothly. Our certified technicians use state-of-the-art equipment to provide top-notch service, ensuring your car, SUV, or truck receives the best care possible. Experience the Wallace Chevrolet Cadillac Buick GMC difference today and discover why we Milton's premier GM dealer. Visit us to explore our inventory and experience our commitment to excellence in every aspect of the car ownership journey.

2025 GMC Sierra 1500 AT4 4WD | Duramax Diesel | HUD | Sunroof | AT4 Premium

Drivetrain: 4WD
Engine: 3.0L Duramax Turbo-Diesel
Transmission: 10-Speed Automatic
Exterior: Summit White
Interior: Jet Black / Kalahari
Cab: Crew Cab | Short Box

Built for those who demand power, luxury, and real off-road capability, this 2025 GMC Sierra 1500 AT4 delivers unmatched performance with the legendary 3.0L Duramax turbo-diesel, premium interior finishes, and advanced trailering technology. Whether you’re towing, commuting, or exploring off the beaten path, this AT4 is ready for anything.

Performance & Capability

3.0L Duramax Turbo-Diesel – Outstanding torque, efficiency & durability

4WD with AutoTrac Two-Speed Transfer Case

Off-Road Suspension Package (Z7X) with Skid Plates

Automatic Locking Rear Differential (G80)

Hill Descent Control

Trailer Brake Controller + Trailering Equipment (Z82)

MultiPro™ Tailgate with Bed View Camera

Spray-On Bedliner & LED Bed Lighting

AT4 Premium & Technology Packages

15" Multicolor Head-Up Display

Rear Camera Mirror

13.4" Touchscreen with Google Built-In & Navigation

BOSE® Premium Audio System

Adaptive Cruise Control

HD Surround Vision & Bed View Camera

Wireless Apple CarPlay / Android Auto + Wireless Charging

Comfort & Luxury

Heated & Ventilated Front Seats

Heated Steering Wheel

Heated Second-Row Seats

Power Sunroof

Dual-Zone Automatic Climate Control

Power Sliding Rear Window

All-Weather Floor Liners (AT4 Logo)

Memory Mirrors & Power Seats

Safety & Driver Assistance

Forward Collision Alert & Automatic Emergency Braking

Lane Keep Assist

Rear Cross Traffic Braking

Front & Rear Park Assist

Trailer Side Blind Zone Alert

Rear Pedestrian Alert

Exterior Highlights

AT4 Exclusive Styling with Red Recovery Hooks

20" Machined Aluminum Wheels with All-Terrain Tires

Body-Colour Wheel Arch Mouldings

CornerStep Rear Bumper

Power Tailgate with EZ Lift & Lock

This 2025 Sierra AT4 Duramax is the ultimate combination of luxury pickup, off-road confidence, and diesel muscle—perfect for work, play, and everything in between.

2025 GMC Canyon Denali


Year: 2025

Make: GMC

Model: Canyon

Trim: Denali

Color: Summit White

Interior: Jet Black / Teak

Engine: 2.7L TurboMax

Transmission: 8-Speed Automatic

Drivetrain: 4WD

GVWR: 6,250 lbs (2,835 kg)

Mileage: [Insert mileage]



Packages:

Denali Preferred Equipment Group (5SB)

Canyon Pro Safety Package

Canyon Safety Plus Package

ProGrade Trailering System

Off-Road Suspension with 2 Factory Lift (Z2I)

Trailering Package

Dealer Installed Options:

All-Weather Floor Liners

Black Badges



Performance and Capability:

2.7L TurboMax Engine

8-Speed Automatic Transmission

Tow/Haul Mode

Automatic Locking Rear Differential

Autotrac Two-Speed Transfer Case

Trailer Brake Controller

Hitch Guidance & Hitch View

Spray-On Bedliner

EZ-Lift & Lower Tailgate with Integrated Storage



Comfort and Convenience:

Heated & Ventilated Front Seats

Heated Steering Wheel

8-Way Power Driver Seat with Memory

6-Way Power Front Passenger Seat

Dual-Zone Automatic Climate Control

Power Sunroof

Remote Vehicle Start & Push-Button Start

Rear Sliding Window

Wireless Phone Charging



Safety and Security:

Adaptive Cruise Control

Forward Collision Alert & Automatic Emergency Braking

Lane Keep Assist with Lane Departure Warning

Blind Zone Steering Assist with Trailering

Rear Cross Traffic Braking

Front & Rear Pedestrian Braking

Rear Park Assist

HD Surround Vision

Driver Safety Alert Seat



Interior:

Denali Leather-Appointed Interior

11 Digital Driver Information Centre

11 GMC Infotainment Display with Google Built-In

BOSE® Premium Sound System

Head-Up Display (HUD)

Rear 60/40 Split-Folding Seat with Storage

Heated, Leather-Wrapped Steering Wheel



Exterior:

Summit White Exterior

20" Diamond-cut Dark Grey Aluminum Wheels

LED Headlamps, Fog Lamps & Signature Lighting

Chrome Denali Accents & Assist Steps

Wheel Opening Moldings

Black Front Recovery Hooks



Technology:

Google Built-In Navigation & Voice Control

Wireless Apple CarPlay® & Android Auto

Head-Up Display

HD Surround Vision Camera System

Multiple USB Ports & 120V Power Outlets

OnStar® & Wi-Fi Hotspot Capability



This 2025 GMC Canyon Denali combines premium refinement with real off-road and trailering capability. Featuring the TurboMax engine, factory lift, advanced safety systems, and Denali luxury appointments, this midsize truck is equally suited for daily driving and weekend adventures.

Contact us today for more information or to schedule a test drive.

2023 GMC Sierra 1500 AT4X | 6.2L V8 | 4WD | Loaded | Off-Road Luxury

Turn heads and tackle any terrain with this 2023 GMC Sierra 1500 AT4X Crew Cab Short Box 4WD, finished in Summit White with Jet Black/Ceramic White premium interior. This top-tier AT4X blends serious off-road capability with first-class comfort and cutting-edge technology.

Powered by the 6.2L EcoTec3 V8 paired with a 10-speed automatic transmission, this Sierra delivers exceptional performance, smooth power delivery, and confident towing. The AT4X Off-Road Suspension Package, front and rear locking differentials, skid plates, and AEV stamped-steel high-approach front bumper with recovery points make it trail-ready right from the factory.

Inside, experience true luxury with massaging, heated and ventilated front seats, heated rear seats, a 15" multicolor Head-Up Display, Bose 12-speaker audio, and a massive 13.4" GMC Premium Infotainment system with Google built-in navigation, wireless Apple CarPlay & Android Auto. The cabin is loaded with comfort and convenience including tri-zone automatic climate control, power sunroof, wireless charging, and memory seating & mirrors.

When it comes to towing and safety, this Sierra is fully equipped with Trailer Brake Controller, Hitch Guidance with Hitch View, Surround Vision Camera, Bed View Camera, Trailer Side Blind Zone Alert, and Rear Cross Traffic Braking. The MultiPro Tailgate, spray-in bedliner, bed-mounted 120V outlet, and Kicker MultiPro Audio System make it perfect for work or weekend adventures.

Key Features:

6.2L V8 Engine | 10-Speed Automatic | 4WD

AT4X Off-Road Suspension with Front & Rear Locking Differentials

AEV High-Approach Steel Front Bumper & Skid Plates

Heated, Ventilated & Massaging Front Seats | Heated Rear Seats

15" Head-Up Display | 13.4" Touchscreen w/ Google Built-In

Bose Premium Audio | Power Sunroof | Wireless Charging

MultiPro Tailgate | Spray-In Bedliner | Bed 120V Power Outlet

Surround Vision | Bed View Camera | Adaptive Cruise Control

Trailer Brake Controller & Advanced Trailering Package

This Sierra AT4X is the ultimate combination of power, technology, luxury, and off-road dominanceready for anything from job sites to backcountry trails.

Contact us today to schedule your test drive or learn more!

2018 GMC Sierra 3500HD Denali Dually
Vehicle Overview:

Year: 2018

Make: GMC

Model: Sierra 3500HD

Trim: Denali Dually

Color: Onyx Black

Interior: Jet Black Leather

Engine: Duramax® 6.6L Turbo-Diesel V8

Transmission: Allison® 6-Speed Automatic

Drivetrain: 4WD

Mileage: [Insert mileage]



Packages:

Preferred Equipment Group (Denali)

Driver Alert Package

Heavy-Duty Trailering Package

Front Underbody Shield Package



Dealer-Installed Options:

6" Chrome Assist Steps

All-Weather Floor Mats

Rear Under-Seat Storage Bin

Performance and Capability:

Duramax® 6.6L Diesel V8

Allison® 6-Speed Automatic Transmission

Dual Rear Wheels (Dually)

Electronic Shift Transfer Case

Automatic Locking Rear Differential

3.73 Rear Axle Ratio

Trailer Brake Controller

High Idle Switch

GVWR: 13,025 lbs



Comfort and Convenience:

Denali Leather-Appointed Front Bucket Seats

Heated & Ventilated Front Seats

Heated Steering Wheel

Power Adjustable Pedals

Remote Vehicle Start

Keyless Entry

Wireless Phone Charging

110V Power Outlet

Power Sliding Rear Window

Power Sunroof



Safety and Security:

Driver Alert Package

Front & Rear Park Assist

Rear Vision Camera

Teen Driver Technology

Side-Impact & Head-Curtain Airbags

Stability & Traction Control



Interior:

Jet Black Denali Leather Interior

Leather-Wrapped Steering Wheel

Auto-Dimming Rearview Mirror

Carpeted Flooring with Floor Mats

Rear Window Defogger



Exterior:

Onyx Black Exterior Finish

Chrome Denali Accents

17 Forged Polished Aluminum Wheels

Power-Folding Trailering Mirrors with Chrome Caps

Chrome Door Handles & Assist Steps

LED Cargo Box Lighting

Spray-On Bedliner

EZ Lift & Lower Tailgate

Roof Marker Lamps



Technology:

GMC Infotainment System with Navigation

BOSE® Premium Audio System

SiriusXM® (3-Month Trial)

Steering Wheel Audio Controls

OnStar® with 4G LTE Wi-Fi Hotspot Capability



This 2018 GMC Sierra 3500HD Denali Dually delivers uncompromising towing capability, luxury-grade comfort, and proven Duramax diesel performance. Exceptionally well equipped for heavy-duty work while maintaining premium Denali refinement.

Contact us today for more information or to schedule a test drive.

2022 GMC Sierra 1500 AT4 | 3.0L Duramax Diesel | Crew Cab | Short Box | 4WD

This 2022 GMC Sierra 1500 AT4 is the perfect blend of off-road capability, premium comfort, and diesel efficiency. Powered by the highly sought-after 3.0L Duramax Turbo-Diesel paired with a 10-speed automatic transmission, this AT4 delivers outstanding torque, smooth power delivery, and impressive fuel economy ideal for towing, commuting, or weekend adventures.

Finished in Summit White with a Jet Black / Kalahari leather interior, this Crew Cab Short Box 4WD comes exceptionally well equipped with the AT4 Preferred Package and Off-Road Suspension Package, giving it a bold stance and real-world capability.

Performance & Capability

3.0L Duramax Turbo-Diesel Engine

10-Speed Automatic Transmission

AT4 Off-Road Suspension Package

4WD with AutoTrac Two-Speed Transfer Case

Skid Plates & Red Front Recovery Hooks

Automatic Locking Rear Differential

Trailer Brake Controller & Trailering Package

Hitch Guidance with Hitch View

20" Machined Aluminum AT4 Wheels

Spray-On Bedliner

GMC MultiPro Tailgate

Interior & Comfort

Heated & Ventilated Front Leather Seats

Heated Rear Seats & Heated Steering Wheel

Power Sunroof

10-Way Power Driver Seat w/ Memory

Power Sliding Rear Window

Tri-Zone Automatic Climate Control

Premium Floor Liners

Rear Seat Storage Package

Technology & Safety

13.4" GMC Premium Infotainment System

Built-In Navigation with Google

Wireless Apple CarPlay & Android Auto

Bose Premium Sound System

Adaptive Cruise Control

Forward Collision Alert & Automatic Emergency Braking

Lane Keep Assist & Driver Safety Alert Seat

HD Rear Vision Camera

Wireless Phone Charging

OnStar & Wi-Fi Hotspot Capability

This Sierra AT4 is exceptionally well optioned, diesel-powered, and built to handle everything from job sites to long highway drives in comfort and confidence.