New & Used 2026 GMC Sierra 1500 for Sale near Unionville, ON

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1,296 vehicles found
Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
White
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
40,212
Stock #:
26T602A
VIN:
3GTUUEE83SG114106
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival
Robinson Auto Group

Sponsored by Robinson Auto Group

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

40,212 km

Guelph, ON
93 km away
Fair Deal

$65,995

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
White
Combined gas mileage:
12 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
40,282
Stock #:
SG148582
VIN:
3GTUUFE8XSG148582
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 1500

AT4X Crew Cab 4WD

40,282 km

Peterborough, ON
86 km away
Good Deal

$67,844

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Gray
Combined gas mileage:
12 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
4,713
Stock #:
427
VIN:
3GTUUFE82SG392842
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

Sponsored Listing

2025 GMC Sierra 1500

AT4X Crew Cab 4WD

4,713 km

Richmond Hill, ON
15 km away
Good Deal

$74,000

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Onyx Black
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
43,451
Stock #:
25-93889AB
VIN:
3GTUUCE8XSG193889
Onyx Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,725

 

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

43,451 km

Brampton, ON
43 km away
Great Deal

$52,724

$49,999

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Gray
Combined gas mileage:
12 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
4,713
Stock #:
427
VIN:
3GTUUFE82SG392842
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2025 GMC Sierra 1500

AT4X Crew Cab 4WD

4,713 km

Richmond Hill, ON
15 km away
Good Deal

$74,000

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Black
Transmission:
Automatic
Mileage:
10,050
Stock #:
225683
VIN:
3GTUUBE86SG225683
Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2025 GMC Sierra 1500

SLE Crew Cab 4WD

10,050 km

North York , ON
21 km away
Great Deal

$49,978

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
4,300
Stock #:
TG102594
VIN:
3GTUUCED0TG102594
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,552

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Richmond Hill, ON
14 km away

New car

$64,549

$61,997

CarGurus Analysis:

2026 GMC Sierra 1500

5.0

  • With 757 currently listed for sale and an average price of $73,632 CAD, 34.1% of 2026 GMC Sierra 1500 listings on CarGurus are rated as good or great deals.

  • Favourably reviewed: Owners rated the 2026 GMC Sierra 1500 5 / 5 stars.

Research summarized using AI

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
White
Interior colour:
Black
Transmission:
Automatic
Mileage:
8
Stock #:
T52693
VIN:
3GTUUGE87TG152693
White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

Denali Crew Cab 4WD

Cobourg, ON
88 km away

New car

$89,484

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Red
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
6,291
Stock #:
T49008
VIN:
3GTUUBE82TG149008
Red 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

 

2026 GMC Sierra 1500

SLE Crew Cab 4WD

Cobourg, ON
88 km away

New car

$68,314

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Black
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
28,957
Stock #:
204779U
VIN:
3GTUUEE80SG204779
Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

28,957 km

Port Perry, ON
76 km away
Good Deal

$64,532

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
White
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
40,212
Stock #:
26T602A
VIN:
3GTUUEE83SG114106
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival
Robinson Auto Group

Sponsored by Robinson Auto Group

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

40,212 km

Guelph, ON
93 km away
Fair Deal

$65,995

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
White
Combined gas mileage:
12 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
40,282
Stock #:
SG148582
VIN:
3GTUUFE8XSG148582
White 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 1500

AT4X Crew Cab 4WD

40,282 km

Peterborough, ON
86 km away
Good Deal

$67,844

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Gray
Combined gas mileage:
12 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
4,713
Stock #:
427
VIN:
3GTUUFE82SG392842
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

Sponsored Listing

2025 GMC Sierra 1500

AT4X Crew Cab 4WD

4,713 km

Richmond Hill, ON
15 km away
Good Deal

$74,000

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Onyx Black
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
43,451
Stock #:
25-93889AB
VIN:
3GTUUCE8XSG193889
Onyx Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,725

 

2025 GMC Sierra 1500

Elevation Crew Cab 4WD

43,451 km

Brampton, ON
43 km away
Great Deal

$52,724

$49,999

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Gray
Combined gas mileage:
12 L/100km
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
4,713
Stock #:
427
VIN:
3GTUUFE82SG392842
Gray 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
New arrival

 

2025 GMC Sierra 1500

AT4X Crew Cab 4WD

4,713 km

Richmond Hill, ON
15 km away
Good Deal

$74,000

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
Black
Transmission:
Automatic
Mileage:
10,050
Stock #:
225683
VIN:
3GTUUBE86SG225683
Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2025 GMC Sierra 1500

SLE Crew Cab 4WD

10,050 km

North York , ON
21 km away
Great Deal

$49,978

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
355 hp 5.3L V8
Exterior colour:
Black
Combined gas mileage:
14 L/100km
Fuel type:
Gasoline
Interior colour:
Black
Transmission:
Automatic
Mileage:
4,300
Stock #:
TG102594
VIN:
3GTUUCED0TG102594
Black 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

-$2,552

 

2026 GMC Sierra 1500

Elevation Crew Cab 4WD

Richmond Hill, ON
14 km away

New car

$64,549

$61,997

CarGurus Analysis:

2026 GMC Sierra 1500

5.0

  • With 757 currently listed for sale and an average price of $73,632 CAD, 34.1% of 2026 GMC Sierra 1500 listings on CarGurus are rated as good or great deals.

  • Favourably reviewed: Owners rated the 2026 GMC Sierra 1500 5 / 5 stars.

Research summarized using AI

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Exterior colour:
White
Interior colour:
Black
Transmission:
Automatic
Mileage:
8
Stock #:
T52693
VIN:
3GTUUGE87TG152693
White 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

 

2026 GMC Sierra 1500

Denali Crew Cab 4WD

Cobourg, ON
88 km away

New car

$89,484

Year:
2026
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Red
Fuel type:
Diesel
Interior colour:
Black
Transmission:
Automatic
Mileage:
6,291
Stock #:
T49008
VIN:
3GTUUBE82TG149008
Red 2026 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic
Price drop

 

2026 GMC Sierra 1500

SLE Crew Cab 4WD

Cobourg, ON
88 km away

New car

$68,314

Year:
2025
Make:
GMC
Model:
Sierra 1500
Body type:
Pickup Truck
Doors:
4 doors
Drivetrain:
Four-Wheel Drive
Engine:
3L I6 Diesel
Exterior colour:
Black
Combined gas mileage:
10 L/100km
Fuel type:
Diesel
Transmission:
Automatic
Mileage:
28,957
Stock #:
204779U
VIN:
3GTUUEE80SG204779
Black 2025 GMC Sierra 1500 Pickup Truck Four-Wheel Drive Automatic

Sponsored Listing

2025 GMC Sierra 1500

AT4 Crew Cab 4WD

28,957 km

Port Perry, ON
76 km away
Good Deal

$64,532

CarGurus Analysis: 2026 GMC Sierra 1500

Image Not Available

Summary

  • With 757 currently listed for sale and an average price of $73,632 CAD, 34.1% of 2026 GMC Sierra 1500 listings on CarGurus are rated as good or great deals.

  • Favourably reviewed: Owners rated the 2026 GMC Sierra 1500 5 / 5 stars.

Why it stands out

The 2026 GMC Sierra 1500 stands out as the more upscale of GMC’s full-size pickup truck siblings, with styling and cabin treatment that aim for near-luxury quality without a lot of frills. It also benefits from the broad overlap in features and powertrains it shares with its corporate counterpart, which helps give it the kind of capability shoppers expect from a full-size truck while still keeping its own more polished identity. For buyers who want a truck that feels a little more refined than purely utilitarian, that balance is a major part of the Sierra’s appeal.

This generation is especially notable for its range of trims and equipment. The lineup includes Pro, SLE, Elevation, SLT, Denali, Denali Ultimate, AT4, and AT4X, giving shoppers everything from work-focused simplicity to luxury and off-road emphasis. The Denali and Denali Ultimate bring premium interior materials and upscale styling, while the AT4X adds heavy-duty off-road hardware, skid plates, beefed-up dampers, all terrain tyres, and 16-way power heated and ventilated front seats with a massage feature. The Sierra also offers the MultiPro tailgate, which adds practical versatility, and the 2022 refresh brought updated styling, better infotainment functionality, and availability of Super Cruise.

There is plenty of strength here, but the Sierra 1500 can also be expensive, even used, and its engine and trim lineups can be overwhelming. Still, the combination of capability, technology, and a more premium feel makes it a compelling choice for shoppers who want a full-size pickup that does more than just the basics.

Other model years to consider

  • 2025 GMC Sierra 1500
    • Average price: $63,590 CAD
    • Good/great deal percentage: 35.6%
    • User rating: 5 / 5
    • Total listings: 1,574
  • 2022 GMC Sierra 1500
    • Average price: $45,409 CAD
    • Good/great deal percentage: 34.1%
    • User rating: 5 / 5
    • Total listings: 932
  • 2024 GMC Sierra 1500
    • Average price: $53,850 CAD
    • Good/great deal percentage: 36.1%
    • User rating: 4.6 / 5
    • Total listings: 1,696

Similar models to consider

  • 2026 Ford F-150
    • Average price: $79,631 CAD
    • Good/great deal percentage: 32.2%
    • User rating: 4.5 / 5
    • Total listings: 881
  • 2026 RAM 1500
    • Average price: $74,342 CAD
    • Good/great deal percentage: 31.8%
    • User rating: 4.3 / 5
    • Total listings: 988
  • 2026 Chevrolet Silverado 1500
    • Average price: $65,089 CAD
    • Good/great deal percentage: 36.2%
    • Total listings: 864

This analysis is based on CarGurus' proprietary market data from November 9, 2026, CarGurus experts' opinions, and generative AI.