New and Used GMC for Sale in Newmarket, ON
Showing 1-50 of 280
M&J Canada Inc
Mississauga, ON
2019 GMC Sierra 1500
4WD DBL Cab SLE LD 5.3 V8 Back Up Cam BT HTD Seats
$37,995
+ tax & lic
66,088KM
Black
2018 GMC Sierra 1500
SLE KODIAK Crew 4x4 XM CarPlay RvCam 6Pass Tonneau
$37,995
+ tax & lic
73,267KM
Black
2023 GMC Sierra 1500
Denali Crew | Duramax Diesel | Reserve Pkg | Leather | HUD | Adaptive Cruise | 22" Wheels & More !
$71,988
+ tax & lic
53,137KM
White
2021 GMC Sierra 1500
SLT 5.3L 4X4 Leather Navigation Well Maintained
$49,988
+ tax & lic
108,011KM
White
Pentastic Motors
Gorrie, ON
2022 GMC Sierra 1500
SLE | Crew | Convenience Package | Kodiak | 17" Wheels
$41,995
+ tax & lic
89,664KM
Silver
2025 GMC Sierra 1500
One Owner | AT4 | Crew | Sunroof | Premium | Technology Package | 20" Wheels
$81,995
+ tax & lic
20,127KM
Black
Vendora Credit Inc
Kitchener, ON
2025 GMC Sierra 1500
4SB | TECHNOLOGY PKG | AT4 PREMIUM PKG | TONNEAU COVER |
$94,690.50
+ tax & lic
5KM
White
LuckyDog Motors
Owen Sound, ON
2019 GMC Sierra 1500
Limited One Owner | LTD | Elevation | Double Cab | 20" Wheels
$29,995
+ tax & lic
115,091KM
Black
2023 GMC Sierra 1500
AT4 Crew | Leather | Sunroof | Cooled + Heated Seats | Adaptive Cruise | and Much More !
$70,888
+ tax & lic
44,809KM
White
True North Auto Brokers
Cobourg, ON
Watford Ford
Watford, ON
2023 GMC Sierra 1500
AT4 Crew | Duramax Diesel | Leather | Adaptive Cruise | Tech Package | Cooled + Heated Seats & More!
$72,988
+ tax & lic
27,714KM
Black
2018 GMC Sierra 1500
CREW CAP SLE Z71 ELEVATION TRIPLE BLACK 6.5F
$26,998
+ tax & lic
180,092KM
Black
M&J Canada Inc
Mississauga, ON
2016 GMC Sierra 1500
SLE Z71 With Leather Seats
$21,998
+ tax & lic
164,416KM
Crystal White Metallic
M&J Canada Inc
Mississauga, ON
2023 GMC Sierra 1500
Denali Ultimate SUPER CRUISE | HEATED AND VENTILATED SEATING
$82,499
+ tax & lic
58,691KM
White
2023 GMC Sierra 1500
Elevation Crew | 5.3L | X31 | Bucket Seats | Trailer Brake Controller | Heated Steering & More !
$61,988
+ tax & lic
61,460KM
Sand Dune Metallic
2022 GMC Sierra 1500
Denali | 5.3L | 22" Chromes | Tech Pkg | HUD | Adaptive Cruise | Bose | 360 Camera | and Much More !
$64,988
+ tax & lic
48,318KM
Black
2016 GMC Sierra 1500
GREAT VALUE SLE-ALL-TERRAIN-MODEL 5 PASSENGER 5.3L - V8.. 4X4.. CREW-CAB.. SHORTY.. HEATED SEATS.. BACK-UP CAMERA.. BLUETOOTH SYSTEM..
$26,995
+ tax & lic
169,000KM
White
2024 GMC Sierra 1500
Denali 4WD Sunroof Bose 360 Camera Navigation Heated Seats
$78,750
+ tax & lic
53,290KM
Black
2022 GMC Sierra 1500
Denali WIRELESS PHONE PROJECTION | HEATED AND VENTILATED
$64,900
+ tax & lic
41,920KM
White
2016 GMC Sierra 1500
Denali 5.3L 4X4 Loaded New Tires Only 136000 KMS
$32,988
+ tax & lic
136,061KM
Black
Pentastic Motors
Gorrie, ON
Bolton GM
Bolton, ON
2022 GMC Sierra 1500
Denali | 6.2L | 22" Chromes | Performance Exhaust | Sunroof | Leather | Power Steps | and More !
$69,988
+ tax & lic
44,046KM
White Frost Tricoat
2023 GMC Sierra 1500
Denali 4WD Crew Cab 147" Diesel Sunroof R-Start
$69,988
+ tax & lic
56,953KM
Black