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New and Used GMC for Sale in Ontario

Showing 1-50 of 135
New 2026 GMC Sierra 2500 HD DENALI ULTIMATE for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

DENALI ULTIMATE
$141,060.40 + tax & lic
10KM
Sterling Metallic
The Humberview Group

Mississauga, ON

Used 2025 GMC Sierra 2500 3/4 TON DENALI-VERSION 5 PASSENGER 6.6L - DURAMAX.. 4X4.. CREW-CAB.. 6.6-FOOT-BOX.. POWER SUNROOF.. LEATHER.. HEATED/AC SEATS.. POWER MIRRORS.. for sale in Bradford, ON

2025 GMC Sierra 2500

3/4 TON DENALI-VERSION 5 PASSENGER 6.6L - DURAMAX.. 4X4.. CREW-CAB.. 6.6-FOOT-BOX.. POWER SUNROOF.. LEATHER.. HEATED/AC SEATS.. POWER MIRRORS..
$89,995 + tax & lic
71,000KM
White
Broadway Auto Sales

Bradford, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD DENALI for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

DENALI
$119,538 + tax & lic
10KM
Onyx Black
The Humberview Group

Mississauga, ON

New 2026 GMC Sierra 2500 HD DENALI ULTIMATE for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

DENALI ULTIMATE
$134,217 + tax & lic
10KM
Onyx Black
The Humberview Group

Mississauga, ON

New 2026 GMC Sierra 2500 HD DENALI ULTIMATE for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

DENALI ULTIMATE
$139,663 + tax & lic
25KM
Onyx Black
The Humberview Group

Mississauga, ON

New 2026 GMC Sierra 2500 HD DENALI ULTIMATE for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

DENALI ULTIMATE
$134,217 + tax & lic
10KM
Onyx Black
The Humberview Group

Mississauga, ON

Used 2019 GMC Sierra 2500 HD 6.6L DURAMAX DIESEL | TRAILER MIRRORS | SPRAYED IN for sale in Grimsby, ON

2019 GMC Sierra 2500

HD 6.6L DURAMAX DIESEL | TRAILER MIRRORS | SPRAYED IN
$36,998 + tax & lic
238,169KM
White
Wills Chevrolet Buick GMC Ltd.

Grimsby, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive SLE for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive SLE
$99,778 + tax & lic
90KM
Black
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive AT4X
$125,437 + tax & lic
95KM
Black
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive SLE for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive SLE
$97,299 + tax & lic
95KM
Gray
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate
$129,299 + tax & lic
95KM
Black
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive SLE for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive SLE
$99,588 + tax & lic
95KM
Black
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate
$129,799 + tax & lic
112KM
White
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive SLE for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive SLE
$100,263 + tax & lic
95KM
Black
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Pro for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive Pro
$84,799 + tax & lic
90KM
White
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive SLE for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive SLE
$98,138 + tax & lic
95KM
Black
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate for sale in Ottawa, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive Denali Ultimate
$128,799 + tax & lic
95KM
Black
Surgenor GM Ottawa

Ottawa, ON

New 2026 GMC Sierra 2500 HD DENALI ULTIMATE for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

DENALI ULTIMATE
$133,097 + tax & lic
10KM
Onyx Black
The Humberview Group

Mississauga, ON

New 2026 GMC Sierra 2500 HD PRO for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

PRO
$93,618 + tax & lic
10KM
Onyx Black
The Humberview Group

Mississauga, ON

New 2026 GMC Sierra 2500 HD AT4 for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

AT4
$120,277 + tax & lic
10KM
Coastal Dune
The Humberview Group

Mississauga, ON

New 2026 GMC Sierra 2500 HD AT4 for sale in Mississauga, ON

2026 GMC Sierra 2500 HD

AT4
$119,562 + tax & lic
10KM
Onyx Black
The Humberview Group

Mississauga, ON

Used 2024 GMC Sierra 2500 3/4 TON DENALI-PACKAGE 5 PASSENGER 6.6L - DURAMAX.. 4X4.. CREW-CAB.. 6.6-FOOT-BOX.. POWER SUNROOF.. LEATHER.. HEATED/AC SEATS.. POWER MIRRORS.. for sale in Bradford, ON

2024 GMC Sierra 2500

3/4 TON DENALI-PACKAGE 5 PASSENGER 6.6L - DURAMAX.. 4X4.. CREW-CAB.. 6.6-FOOT-BOX.. POWER SUNROOF.. LEATHER.. HEATED/AC SEATS.. POWER MIRRORS..
$93,995 + tax & lic
43,000KM
White
Broadway Auto Sales

Bradford, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD AT4 for sale in Toronto, ON

2026 GMC Sierra 2500 HD

AT4
$103,962 + tax & lic
10KM
Sterling Metallic
The Humberview Group

Toronto, ON

Used 2017 GMC Sierra 2500 HD SLE | | CD Player | for sale in Orillia, ON

2017 GMC Sierra 2500

HD SLE | | CD Player |
$24,995 + tax & lic
240,462KM
GAZ22-Summit White
Jim Wilson Chevrolet Buick GMC

Orillia, ON

Buy From Home Options
Used 2025 GMC Sierra 2500 HD SLT - Heated Seats - Hitch Guidance for sale in Kemptville, ON

2025 GMC Sierra 2500

HD SLT - Heated Seats - Hitch Guidance
$89,995 + tax & lic
44,000KM
Myers Automotive Group

Kemptville, ON

Buy From Home Options
Used 2025 GMC Sierra 2500 HD SLE - Aluminum Wheels for sale in Orleans, ON

2025 GMC Sierra 2500

HD SLE - Aluminum Wheels
Sale
$78,938 + tax & lic
35,056KM
White
Myers Automotive Group

Orleans, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD AT4 AT4 HD DURAMAX, PREFERRED PACKAGE for sale in Ottawa, ON

2026 GMC Sierra 2500

HD AT4 AT4 HD DURAMAX, PREFERRED PACKAGE
Sale
$109,328 + tax & lic
10KM
Onyx Black
Myers Automotive Group

Ottawa, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD PRO for sale in Toronto, ON

2026 GMC Sierra 2500 HD

PRO
$79,183 + tax & lic
10KM
SUMMIT WHITE
The Humberview Group

Toronto, ON

Used 2024 GMC Sierra 2500 HD SLT for sale in Brockville, ON

2024 GMC Sierra 2500

HD SLT
$83,111 + tax & lic
11,059KM
Grey
Riverside Chevrolet Buick GMC Ltd.

Brockville, ON

Buy From Home Options
Used 2025 GMC Sierra 2500 HD SLE 5TH WHEEL PREP PKG | SNOW PLOW /CAMPER PREP PKG | for sale in Grimsby, ON

2025 GMC Sierra 2500

HD SLE 5TH WHEEL PREP PKG | SNOW PLOW /CAMPER PREP PKG |
$81,900 + tax & lic
14,568KM
Black
Wills Chevrolet Buick GMC Ltd.

Grimsby, ON

Buy From Home Options
Used 2022 GMC Sierra 2500 HD Denali for sale in Cornwall, ON

2022 GMC Sierra 2500

HD Denali
$78,498 + tax & lic
90,766KM
Black
Cornwall Honda

Cornwall, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD COASTAL DUNE | FLOOR LINERS WITH REMOVABLE CARPET INSERT | REAR AXLE - 3.42 RATIO | GVWR 5148 KG (11350 LB) | DURAMAX 6.6L V8 TURBO DIESEL | 10-SPD A/T TRANS. | AT4 PREMIUM PLUS PKG | BLACK BADGING PK for sale in Tillsonburg, ON

2026 GMC Sierra 2500

HD COASTAL DUNE | FLOOR LINERS WITH REMOVABLE CARPET INSERT | REAR AXLE - 3.42 RATIO | GVWR 5148 KG (11350 LB) | DURAMAX 6.6L V8 TURBO DIESEL | 10-SPD A/T TRANS. | AT4 PREMIUM PLUS PKG | BLACK BADGING PK
$98,399 + tax & lic
100KM
Tan
DeGroote-Hill Chevrolet Buick GMC

Tillsonburg, ON

Buy From Home Options
Used 2025 GMC Sierra 2500 Denali Ultimate Duramax Diesel for sale in Tilbury, ON

2025 GMC Sierra 2500

Denali Ultimate Duramax Diesel
$105,998 + tax & lic
56,452KM
Black
Andre Lanoue Sales

Tilbury, ON

New 2026 GMC Sierra 2500 HD Pro for sale in Kemptville, ON

2026 GMC Sierra 2500

HD Pro
Sale
$77,343 + tax & lic
50KM
SUMMIT WHITE
Myers Automotive Group

Kemptville, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD AT4 for sale in Bolton, ON

2026 GMC Sierra 2500

HD AT4
$119,030 + tax & lic
11KM
White
Bolton GM

Bolton, ON

New 2026 GMC Sierra 2500 HD AT4X AT4X, DURAMAX, CREWM TITANIUM for sale in Ottawa, ON

2026 GMC Sierra 2500

HD AT4X AT4X, DURAMAX, CREWM TITANIUM
Sale
$122,647 + tax & lic
10KM
Titanium Rush Metallic
Myers Automotive Group

Ottawa, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD AT4 AT4 HD DURAMAX SUNROOF for sale in Ottawa, ON

2026 GMC Sierra 2500

HD AT4 AT4 HD DURAMAX SUNROOF
Sale
$108,922 + tax & lic
10KM
Onyx Black
Myers Automotive Group

Ottawa, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD AT4 AT4, DURAMAX, DIESEL, SUNROOF for sale in Ottawa, ON

2026 GMC Sierra 2500

HD AT4 AT4, DURAMAX, DIESEL, SUNROOF
Sale
$110,457 + tax & lic
10KM
Onyx Black
Myers Automotive Group

Ottawa, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD AT4X AT4X AEV EDITION , DURAMAX, CREW HD for sale in Ottawa, ON

2026 GMC Sierra 2500

HD AT4X AT4X AEV EDITION , DURAMAX, CREW HD
Sale
$133,582 + tax & lic
10KM
Onyx Black
Myers Automotive Group

Ottawa, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4X for sale in Listowel, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive AT4X
$123,832 + tax & lic
11KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali for sale in Listowel, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive Denali
$115,232 + tax & lic
15KM
White
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali for sale in Listowel, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive Denali
$121,687 + tax & lic
10KM
Black
Larry Hudson Chevrolet Buick GMC

Listowel, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD SLE for sale in Kemptville, ON

2026 GMC Sierra 2500

HD SLE
Sale
$96,938 + tax & lic
50KM
Onyx Black
Myers Automotive Group

Kemptville, ON

Buy From Home Options
Used 2023 GMC Sierra 2500 HD AT4 for sale in Sarnia, ON

2023 GMC Sierra 2500

HD AT4
$74,499 + tax & lic
70,500KM
Black
Progressive Auto Group

Sarnia, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD Pro for sale in Kemptville, ON

2026 GMC Sierra 2500

HD Pro
Sale
$87,808 + tax & lic
50KM
SUMMIT WHITE
Myers Automotive Group

Kemptville, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD AT4X for sale in Brockville, ON

2026 GMC Sierra 2500

HD AT4X
$129,657 + tax & lic
38KM
White
Riverside Chevrolet Buick GMC Ltd.

Brockville, ON

Buy From Home Options
New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali for sale in Petrolia, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive Denali
$114,985 + tax & lic
15KM
Black
MacFarlane Chevrolet Buick GMC

Petrolia, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive Denali for sale in Petrolia, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive Denali
$114,985 + tax & lic
15KM
White
MacFarlane Chevrolet Buick GMC

Petrolia, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive SLT for sale in Petrolia, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive SLT
$103,335 + tax & lic
15KM
Red
MacFarlane Chevrolet Buick GMC

Petrolia, ON

New 2026 GMC Sierra 2500 HD Crew Cab Standard Box 4-Wheel Drive AT4 for sale in Petrolia, ON

2026 GMC Sierra 2500

HD Crew Cab Standard Box 4-Wheel Drive AT4
$112,594 + tax & lic
15KM
Red
MacFarlane Chevrolet Buick GMC

Petrolia, ON