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New and Used GMC Sierra for Sale in Newmarket, ON

Showing 1-50 of 450
Used 2020 GMC Sierra 2500 SLT HTD-LTHR XM CarPlay BackupCam Rem-Start 6Pass for sale in Bowmanville, ON

2020 GMC Sierra 2500

SLT HTD-LTHR XM CarPlay BackupCam Rem-Start 6Pass
$61,995 + tax & lic
96,237KM
Black
Mark Rainford Auto Centre

Bowmanville, ON

Buy From Home Options
New 2025 GMC Sierra 1500 AT4X for sale in Listowel, ON

2025 GMC Sierra 1500

AT4X
$114,632 + tax & lic
150KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 3500 HD AT4 for sale in Listowel, ON

2025 GMC Sierra 3500

HD AT4
$119,983 + tax & lic
15KM
Grey
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 2500 HD AT4 for sale in Listowel, ON

2025 GMC Sierra 2500

HD AT4
$121,282 + tax & lic
15KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2026 GMC Sierra EV Elevation for sale in Bolton, ON

2026 GMC Sierra

EV Elevation
$83,749 + tax & lic
11KM
White
Bolton GM

Bolton, ON

Used 2018 GMC Sierra 1500 SLE for sale in Cayuga, ON

2018 GMC Sierra 1500

SLE
$29,995 + tax & lic
131,420KM
Red
Haldimand Motors Ltd.

Cayuga, ON

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Used 2023 GMC Sierra 1500 PRO for sale in Bolton, ON

2023 GMC Sierra 1500

PRO
$38,863 + tax & lic
99,317KM
White
CarHub Caledon Chrysler

Bolton, ON

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Used 2021 GMC Sierra 2500 HD Denali for sale in Mississauga, ON

2021 GMC Sierra 2500

HD Denali
$72,888 + tax & lic
119,400KM
SUMMIT WHITE
B Town Auto Sales

Mississauga, ON

Used 2023 GMC Sierra 2500 HD AT4 | WiFi Hotspot | for sale in Orillia, ON

2023 GMC Sierra 2500

HD AT4 | WiFi Hotspot |
$77,995 + tax & lic
67,833KM
GBA-Onyx Black
Jim Wilson Chevrolet Buick GMC

Orillia, ON

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Used 2013 GMC Sierra 1500 SLT Triple Black 69300 KMS for sale in Mississauga, ON

2013 GMC Sierra 1500

SLT Triple Black 69300 KMS
$21,998 + tax & lic
69,420KM
METALLIC BLACK
M&J Canada Inc

Mississauga, ON

Used 2021 GMC Sierra 1500 AT4 CrewCab 4WD 6.2L8cyl 5'9

2021 GMC Sierra 1500

AT4 CrewCab 4WD 6.2L8cyl 5'9"Box LeatherHeatedCool
$54,995 + tax & lic
84,678KM
Black
Lynden Auto Depot

Brantford, ON

New 2025 GMC Sierra 2500 HD Denali for sale in Listowel, ON

2025 GMC Sierra 2500

HD Denali
$115,793 + tax & lic
15KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 2500 HD Denali for sale in Listowel, ON

2025 GMC Sierra 2500

HD Denali
$115,793 + tax & lic
15KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 3500 HD AT4 for sale in Listowel, ON

2025 GMC Sierra 3500

HD AT4
$121,302 + tax & lic
15KM
White
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 3500 HD SLT for sale in Listowel, ON

2025 GMC Sierra 3500

HD SLT
$118,023 + tax & lic
15KM
Grey
Larry Hudson Chevrolet Buick GMC

Listowel, ON

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New 2025 GMC Sierra 1500 Denali - Leather Seats - Diesel Engine for sale in Bolton, ON

2025 GMC Sierra 1500

Denali - Leather Seats - Diesel Engine
$98,623 + tax & lic
11KM
Black
Bolton GM

Bolton, ON

New 2025 GMC Sierra 1500 PRO for sale in Bolton, ON

2025 GMC Sierra 1500

PRO
$66,528 + tax & lic
11KM
White
Bolton GM

Bolton, ON

New 2025 GMC Sierra 1500 AT4 - Sunroof for sale in Bolton, ON

2025 GMC Sierra 1500

AT4 - Sunroof
$93,767 + tax & lic
11KM
White
Bolton GM

Bolton, ON

Used 2022 GMC Sierra 1500 ELEVATION for sale in Tillsonburg, ON

2022 GMC Sierra 1500

ELEVATION
$55,000 + tax & lic
39,744KM
White
DeGroote-Hill Chevrolet Buick GMC

Tillsonburg, ON

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Used 2015 GMC Sierra 1500 Crew Cab SLE Z71 - 6.5 Ft Box for sale in Mississauga, ON

2015 GMC Sierra 1500

Crew Cab SLE Z71 - 6.5 Ft Box
$17,888 + tax & lic
199,536KM
Metallic Brown
M&J Canada Inc

Mississauga, ON

Used 2023 GMC Sierra 1500 Denali Crew | Duramax Diesel | Leather | Sunroof | Adaptive Cruise | 360 Camera | and Much More ! for sale in Guelph, ON

2023 GMC Sierra 1500

Denali Crew | Duramax Diesel | Leather | Sunroof | Adaptive Cruise | 360 Camera | and Much More !
$69,988 + tax & lic
37,271KM
White
Mark Wilson's Better Used Cars

Guelph, ON

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Used 2023 GMC Sierra 1500 AT4 Crew | Duramax Diesel | Leather | Adaptive Cruise | Tech Package | Cooled + Heated Seats & More! for sale in Guelph, ON

2023 GMC Sierra 1500

AT4 Crew | Duramax Diesel | Leather | Adaptive Cruise | Tech Package | Cooled + Heated Seats & More!
$69,998 + tax & lic
27,714KM
Black
Mark Wilson's Better Used Cars

Guelph, ON

Buy From Home Options
Used 2022 GMC Sierra 1500 Limited Denali for sale in Bolton, ON

2022 GMC Sierra 1500

Limited Denali
$55,498 + tax & lic
68,338KM
Black
CarHub Caledon Chrysler

Bolton, ON

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Used 2023 GMC Sierra 1500 ELEVATION for sale in Bolton, ON

2023 GMC Sierra 1500

ELEVATION
$54,987 + tax & lic
55,104KM
Black
CarHub Caledon Chrysler

Bolton, ON

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Used 2021 GMC Sierra 1500 Reg Cab 2WD 4.3L6cyl 8ftBox 140

2021 GMC Sierra 1500

Reg Cab 2WD 4.3L6cyl 8ftBox 140"WB BackUpCam
$23,995 + tax & lic
174,701KM
White
Lynden Auto Depot

Brantford, ON

Used 2016 GMC Sierra 1500 4WD Crew Cab 153.0

2016 GMC Sierra 1500

4WD Crew Cab 153.0" SLT
Sale
$24,999 + tax & lic
177,300KM
Black
M&L Autos

Mississauga, ON

Used 2024 GMC Sierra 1500 Pro One Owner | Graphite Pkg | X31 | 20

2024 GMC Sierra 1500

Pro One Owner | Graphite Pkg | X31 | 20" Wheels
$55,995 + tax & lic
18,213KM
White
Larry Hudson Chevrolet Buick GMC

Listowel, ON

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New 2025 GMC Sierra 1500 AT4 for sale in Listowel, ON

2025 GMC Sierra 1500

AT4
$96,563 + tax & lic
6KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 1500 Denali for sale in Listowel, ON

2025 GMC Sierra 1500

Denali
$99,147 + tax & lic
15KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 2500 HD AT4 for sale in Listowel, ON

2025 GMC Sierra 2500

HD AT4
$118,397 + tax & lic
15KM
White
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 1500 AT4 for sale in Listowel, ON

2025 GMC Sierra 1500

AT4
$93,393 + tax & lic
153KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
Used 2018 GMC Sierra 1500 Double Cab 4x4 5.3L V8 Certified No Accidents for sale in Orillia, ON

2018 GMC Sierra 1500

Double Cab 4x4 5.3L V8 Certified No Accidents
$22,995 + tax & lic
234,500KM
Black
Auto Republic

Orillia, ON

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Used 2022 GMC Sierra 1500 AT4 4WD 147'' Sunroof I6 Bose Audio Remote Start for sale in Thornhill, ON

2022 GMC Sierra 1500

AT4 4WD 147'' Sunroof I6 Bose Audio Remote Start
$58,284 + tax & lic
77,952KM
Black
CarHub North York Chrysler

Thornhill, ON

Buy From Home Options
Used 2023 GMC Sierra 1500 Denali Reserve for sale in St. Catharines, ON

2023 GMC Sierra 1500

Denali Reserve
$60,998 + tax & lic
92,149KM
Black
CMH AUTO SUPERSTORE

St. Catharines, ON

Buy From Home Options
Used 2015 GMC Sierra 1500 4WD Crew Cab 143.5 SLE for sale in North York, ON

2015 GMC Sierra 1500

4WD Crew Cab 143.5 SLE
$20,888 + tax & lic
230,560KM
Quicksilver Metallic
Montero Auto Centre

North York, ON

Used 2025 GMC Sierra 1500 AT4 One Owner | Sunroof | Tech Pkg | 20

2025 GMC Sierra 1500

AT4 One Owner | Sunroof | Tech Pkg | 20" Wheels
$75,895 + tax & lic
22,771KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 1500 AT4 for sale in Listowel, ON

2025 GMC Sierra 1500

AT4
$93,877 + tax & lic
15KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2025 GMC Sierra 2500 HD 4WD Crew Cab Standard Box AT4 for sale in Napanee, ON

2025 GMC Sierra 2500

HD 4WD Crew Cab Standard Box AT4
$106,951 + tax & lic
26KM
Black
Peter Boyer Chevrolet Buick GMC

Napanee, ON

Used 2024 GMC Sierra 1500 Elevation Crew Cab 4WD w/ Apple CarPlay & Android Auto, Rearview Cam, Dual Zone Climate Control for sale in Toronto, ON

2024 GMC Sierra 1500

Elevation Crew Cab 4WD w/ Apple CarPlay & Android Auto, Rearview Cam, Dual Zone Climate Control
$59,590 + tax & lic
37,557KM
Blue
Clutch

Toronto, ON

Used 2021 GMC Sierra 1500 Base w/ Apple CarPlay & Android Auto, A/C, Rearview Cam for sale in Toronto, ON

2021 GMC Sierra 1500

Base w/ Apple CarPlay & Android Auto, A/C, Rearview Cam
$34,990 + tax & lic
99,597KM
Black
Clutch

Toronto, ON

Used 2016 GMC Sierra 1500 SLE | AS TRADED | YOU CERTIFY AND YOU SAVE | for sale in Tillsonburg, ON

2016 GMC Sierra 1500

SLE | AS TRADED | YOU CERTIFY AND YOU SAVE |
$16,000 + tax & lic
183,040KM
Red
DeGroote-Hill Chevrolet Buick GMC

Tillsonburg, ON

Buy From Home Options
Used 2023 GMC Sierra 1500 Elevation Crew 4X4 | 5.3L | X31 | Leather | 360 Camera | Adaptive Cruise | Bose Sound | and More ! for sale in Guelph, ON

2023 GMC Sierra 1500

Elevation Crew 4X4 | 5.3L | X31 | Leather | 360 Camera | Adaptive Cruise | Bose Sound | and More !
$56,988 + tax & lic
53,500KM
White
Mark Wilson's Better Used Cars

Guelph, ON

Buy From Home Options
New 2025 GMC Sierra 1500 AT4 for sale in Bolton, ON

2025 GMC Sierra 1500

AT4
$93,606 + tax & lic
11KM
Black
Bolton GM

Bolton, ON

Used 2024 GMC Sierra 1500 ELEVATION for sale in Barrie, ON

2024 GMC Sierra 1500

ELEVATION
$64,449 + tax & lic
6,000KM
Barrie Chrysler Dodge Jeep Ram Ltd.

Barrie, ON

Buy From Home Options
Used 2016 GMC Sierra 1500 4WD Crew Cab 143.5 SLE for sale in North York, ON

2016 GMC Sierra 1500

4WD Crew Cab 143.5 SLE
$28,888 + tax & lic
143,193KM
Onyx Black
Montero Auto Centre

North York, ON

Used 2017 GMC Sierra 1500 SLE for sale in Oshawa, ON

2017 GMC Sierra 1500

SLE
$22,999 + tax & lic
179,000KM
Red
Oshawa Fine Auto Sales

Oshawa, ON

Buy From Home Options
Used 2019 GMC Sierra 2500 HD for sale in Madoc, ON

2019 GMC Sierra 2500

HD
$45,995 + tax & lic
149,000KM
White
Patterson Auto Sales

Madoc, ON

Used 2017 GMC Sierra 1500 SLE for sale in St. Catharines, ON

2017 GMC Sierra 1500

SLE
$21,998 + tax & lic
196,325KM
Blue
CMH AUTO SUPERSTORE

St. Catharines, ON

Buy From Home Options
Used 2016 GMC Sierra 1500 SLT 4WD Crew Cab for sale in London, ON

2016 GMC Sierra 1500

SLT 4WD Crew Cab
$24,991 + tax & lic
193,000KM
Black
Downtown Motor Products

London, ON

Buy From Home Options
New 2025 GMC Sierra 2500 HD 4WD Crew Cab Standard Box AT4X for sale in Napanee, ON

2025 GMC Sierra 2500

HD 4WD Crew Cab Standard Box AT4X
$115,434 + tax & lic
CALL
Black
Peter Boyer Chevrolet Buick GMC

Napanee, ON