GMC Sierra 1500s for sale in Orangeville, ON

This 2021 GMC Sierra 1500 SLT 4WD Crew Cab is a refined and capable full-size pickup that delivers impressive diesel efficiency, strong performance, and premium comfort. Powered by the highly efficient Duramax 3.0L turbo-diesel engine paired with a smooth 10-speed automatic transmission, this Sierra offers excellent torque, outstanding fuel economy, and confident towing capability. The 4WD system provides enhanced traction and stability in a variety of road and weather conditions, making it a dependable choice for both work and everyday driving. The Crew Cab configuration ensures a spacious interior for passengers, along with the versatility needed for hauling and cargo.

Equipped with the X31 Off-Road and Protection Package, this Sierra is ready to take on tougher terrain with features like off-road suspension, a 2-speed Autotrac transfer case, hill descent control, skid plates, a heavy-duty air filter, and all-terrain tires. The addition of a spray-on bedliner and integrated dual exhaust further enhances both durability and performance, while the X31 badging highlights its off-road capability.

Inside, the SLT trim offers a premium and comfortable cabin designed for year-round enjoyment. Heated and ventilated front seats provide optimal comfort in any season, while a power sunroof brings in natural light and fresh air for an open, airy feel. Remote start adds convenience to your daily routine, and a trailer brake controller ensures confident and controlled towing when you need it.

Combining diesel efficiency, off-road capability, and upscale features, this 2021 GMC Sierra 1500 SLT stands out as a versatile and well-equipped truck that’s ready to handle everything from daily driving to demanding jobs and weekend adventures with ease.

This vehicle is being sold as part of our CERTIFIED PRE-OWNED PROGRAM with a CLEAN CarFax report.

2021 GMC SIERRA 1500 DENALI | CERTIFIED PRE-OWNED, WHITE FROST TRICOAT, BLACK LEATHER INTERIOR, 112K KM, 6.2L V8, 10-SPEED AUTOMATIC, 4X4, DENALI PREMIUM PACKAGE, HEAD-UP DISPLAY, BOSE PREMIUM AUDIO, NAVIGATION SYSTEM, APPLE CARPLAY, ANDROID AUTO, WIRELESS CHARGING, HEATED AND VENTILATED FRONT SEATS, HEATED REAR SEATS, POWER SUNROOF, MULTI-FUNCTION TAILGATE, 360-DEGREE CAMERA, FRONT AND REAR PARK ASSIST, LANE KEEP ASSIST, BLIND SPOT MONITORING, REMOTE START AND MORE!

This Certified Pre-Owned 2021 GMC Sierra 1500 Denali was purchased used from our store and offers premium capability with upscale refinement. Powered by a robust 6.2L V8 paired with a smooth 10-speed automatic transmission and 4x4, this full-size truck delivers confident towing, strong acceleration, and year-round control—ideal for Ontario driving. Inside, the cabin is quiet and well-appointed with black leather seating, advanced infotainment including navigation, Apple CarPlay and Android Auto, plus a Bose premium audio system for an elevated driving experience. A head-up display and 360-degree camera add convenience and awareness on the road. This used 2021 GMC Sierra 1500 Denali for sale in Ontario blends luxury, strength, and everyday usability for drivers who want it all.

AT4 CARBONPRO, CREW, 4X4, 6.2L V8, 10-SPEED AUTOMATIC, 3.23 AXLE, 5.8FT BOX, NAVIGATION, SUNROOF, HEATED/COOLED LEATHER BUCKETS, HEATED REAR SEATS, 20 INCH ALLOY WHEELS, STEP BARS, FRONT/REAR PARK ASSIST, SURROUND VIEW CAMERA, BODY COLOUR BUMPERS, BOSE, HEADS UP DISPLAY, MULTIPRO TAILGATE, TOW PACKAGE, TRAILERING MIRRORS, 1-OWNER, MACMASTER ORIGINAL! COME CHECK OUT THIS BEAUTIFUL 2021 GMC SIERRA 1500 AT4 CARBONPRO CREW THAT IS WELL EQUIPPED AND WELL-MAINTAINED WITH 88K KMS ON IT! THIS AT4 CARBONPRO LOOKS SHARP EQUIPPED IN A BEAUTIFUL COLOUR WITH PLENTY OF BLACK CHROME TRIM! ON THE EXTERIOR, THIS AT4 FEATURES BODY COLOUR BUMPERS, LED HEADLIGHTS WITH LED DAYTIME RUNNING LIGHTS, BLACK CHROME GRILLE AND TRIM AS WELL AS STEP BARS AND 20 INCH ALLOY WHEELS! THIS AT4 IS FINISHED IN SUMMIT WHITE WHICH CONTRASTS GREATLY AGAINST THE BLACK CHROME TRIM THIS TRUCK HAS AND IS ALSO EQUIPPED WITH A BEDLINER TO KEEP YOUR CARGO AREA CLEAN! THE NEW STYLE TRUCK FEATURES A GREAT NEW DESIGN AND THE ALL-NEW GMC MULTI-PRO TAILGATE! UNDER THE HOOD, THE POWERFUL 6.2L ECOTEC3 V8 IS READY TO GET THE JOB DONE WITH GOOD FUEL ECONOMY AS WELL AS AMAZING PASSING AND TOWING POWER! ON THE INTERIOR, THIS AT4 IS WELL-EQUIPPED AND FINISHED WITH BEAUTIFUL EBONY HEATED AND COOLED LEATHER SEATS, LED LIGHTING AND FULL POWER GROUP AS WELL! THIS AT4 ALSO FEATURES GMC'S INTELLILINK SYSTEM WITH HANDS FREE CALLING AS WELL AS WIRELESS MEDIA STREAMING AND NAVIGATION! ALSO ENJOY THE ADDITION OF APPLE CARPLAY AND ANDROID AUTO AS WELL FOR EVEN MORE FUNCTIONALITY! KEEP EVERYONE COMFORTABLE WITH DUAL CLIMATE CONTROL AND REMOTE START TO WARM THE TRUCK AHEAD OF TIME! THIS TRUCK IS ALSO EQUIPPED WITH FRONT AND REAR PARK ASSIST AND SURROUND VIEW CAMERA TO HELP YOU AVOID ANY OBSTACLES OR ACCIDENTS! COME CHECK OUT THIS STUNNING AND WELL-EQUIPPED AT4 CARBONPRO TODAY!

DENALI, CREW, 4X4, 6.2L V8, 10-SPEED AUTOMATIC, 5.8FT BOX, 3.23 AXLE, NAVIGATION, SUNROOF, HEATED/COOLED LEATHER BUCKETS, 20 INCH POLISHED ALLOY WHEELS, STEP BARS, FRONT/REAR PARK ASSIST, REAR CAMERA, DENALI CHROME TRIM, BOSE, TOW PACKAGE, MULTI-PRO TAILGATE, ADAPTIVE CRUISE! COME CHECK OUT THIS BEAUTIFUL 2021 GMC SIERRA 1500 DENALI CREW THAT IS WELL-EQUIPPED AND WELL-MAINTAINED WITH 129K KMS ON IT SINCE NEW! THIS DENALI LOOKS SHARP EQUIPPED IN A BEAUTIFUL COLOUR WITH PLENTY OF CHROME! ON THE EXTERIOR, THIS DENALI FEATURES BODY COLOUR BUMPERS, LED HEADLIGHTS WITH LED DAYTIME RUNNING LIGHTS, CHROME DENALI MESH GRILLE AND TRIM AS WELL AS STEP BARS AND 20 INCH POLISHED ALLOY WHEELS! THIS DENALI IS FINISHED IN HUNTER METALLIC WHICH CONTRASTS GREATLY AGAINST THE CHROME TRIM THIS TRUCK HAS AND IS ALSO EQUIPPED WITH A BEDLINER TO KEEP YOUR CARGO AREA CLEAN! THE NEW STYLE TRUCK FEATURES A GREAT NEW DESIGN AND THE ALL-NEW GMC MULTI-PRO TAILGATE! UNDER THE HOOD, THE ECONOMICAL AND POWERFUL 6.2L ECOTEC3 V8 AND 10-SPEED AUTOMATIC IS READY TO GET THE JOB DONE WITH GOOD FUEL ECONOMY AS WELL AS AMAZING PASSING AND TOWING POWER! ON THE INTERIOR, THIS DENALI IS WELL-EQUIPPED AND FINISHED WITH BEAUTIFUL EBONY HEATED AND COOLED LEATHER SEATS, LED LIGHTING AND FULL POWER GROUP AS WELL! THIS DENALI ALSO FEATURES GMC'S INTELLILINK SYSTEM WITH HANDS FREE CALLING AS WELL AS WIRELESS MEDIA STREAMING AND NAVIGATION! ALSO ENJOY THE ADDITION OF APPLE CARPLAY AND ANDROID AUTO AS WELL FOR EVEN MORE FUNCTIONALITY! KEEP EVERYONE COMFORTABLE WITH DUAL CLIMATE CONTROL AND REMOTE START TO WARM THE TRUCK AHEAD OF TIME! ALSO ENJOY THE EQUIPPED POWER SUNROOF AS WELL FOR A GREAT OPEN AIR FEEL WHILE DRIVING! THIS TRUCK IS ALSO EQUIPPED WITH FRONT AND REAR PARK ASSIST AND REAR CAMERA TO HELP YOU AVOID ANY OBSTACLES OR ACCIDENTS! COME CHECK OUT THIS STUNNING AND WELL-EQUIPPED DENALI TODAY!

If there's a sweet spot between luxury and legitimate off-road capability, the 2021 GMC Sierra AT4 lives there permanently. This one in Onyx Black over Jet Black with Kalahari accents is as sharp as they come.

The 5.3L EcoTec3 V8 with Dynamic Fuel Management and a 10-speed automatic delivers effortless power whether you're hauling, towing, or just enjoying the drive. The 2" lifted off-road suspension, AutoTrac two-speed transfer case, skid plates, hill descent control, auto-locking rear differential, means this AT4 is genuinely ready when the pavement runs out. The trailering package with integrated brake controller and advanced trailering system handles serious towing duties with confidence.

Inside is where this one really shines, heated and ventilated front seats, heated rear outboard seats, heated steering wheel, tri-zone automatic climate control, power sunroof, wireless charging, and an 8-way power driver and passenger seat with memory settings, it's hard to find a box this truck doesn't check. The GMC Premium Infotainment system with navigation, Bose premium sound system, wireless Apple CarPlay and Android Auto, and the GMC MultiPro tailgate round out a package that genuinely punches into luxury truck territory.

The AT4 Value Package piles on lane change alert with side blind zone alert, rear cross traffic alert, front and rear park assist, power sliding rear window, and universal home remote plus the spray-on bedliner and rear seat storage package keep things practical. Bold, capable, and loaded to the roof. The AT4 has always been the one to beat in this segment and this example makes a strong case for why.

Bray Motors has been proudly serving the North since 1954! This vehicle is an example of the great quality CERTIFIED PREOWNED vehicles that we have ready for you to enjoy here at Bray Motors. If you are shopping for New or Used, our professional sales staff and expert service technicians will make your next vehicle purchase an enjoyable experience. We carry a wide selection of in-stock New, and Certified Pre-Owned GMC, Chevrolet and Buick models, so finding the right one for you will be a breeze! We have a comfortable and inviting customer lounge, with free wi-fi and an assortment of cold and hot drinks for your convenience. Call or visit us today!!!

DENALI PREMIUM, CREW, 4X4, 6.2L V8, 10-SPEED AUTOMATIC, 5.8FT BOX, 3.23 AXLE, NAVIGATION, SUNROOF, HEATED/COOLED LEATHER BUCKETS, 22 INCH CHROME ALLOY WHEELS, STEP BARS, FRONT/REAR PARK ASSIST, REAR CAMERA, DENALI CHROME TRIM, BOSE, TOW PACKAGE, POWER TAILGATE, MULTI-PRO TAILGATE, 1-OWNER, MACMASTER ORIGINAL! COME CHECK OUT THIS BEAUTIFUL 2021 GMC SIERRA 1500 DENALI PREMIUM CREW THAT IS FULLY LOADED AND WELL-MAINTAINED WITH 45K KMS ON IT AND 1-OWNER SINCE NEW! THIS DENALI ULTIMATE LOOKS SHARP EQUIPPED IN A BEAUTIFUL COLOUR WITH PLENTY OF CHROME! ON THE EXTERIOR, THIS DENALI FEATURES BODY COLOUR BUMPERS, LED HEADLIGHTS WITH LED DAYTIME RUNNING LIGHTS, CHROME DENALI MESH GRILLE AND TRIM AS WELL AS STEP BARS AND 22 INCH CHROME ALLOY WHEELS! THIS DENALI IS FINISHED IN SATIN STEEL METALLIC WHICH CONTRASTS GREATLY AGAINST THE CHROME TRIM THIS TRUCK HAS AND IS ALSO EQUIPPED WITH A BEDLINER TO KEEP YOUR CARGO AREA CLEAN! THE NEW STYLE TRUCK FEATURES A GREAT NEW DESIGN AND THE ALL-NEW GMC MULTI-PRO TAILGATE! UNDER THE HOOD, THE POWERFUL 6.2L V8 AND 10-SPEED AUTOMATIC IS READY TO GET THE JOB DONE WITH GOOD FUEL ECONOMY! ON THE INTERIOR, THIS DENALI IS WELL-EQUIPPED AND FINISHED WITH BEAUTIFUL EBONY HEATED AND COOLED LEATHER SEATS, LED LIGHTING AND FULL POWER GROUP AS WELL! THIS DENALI ALSO FEATURES GMC'S INTELLILINK SYSTEM WITH HANDS FREE CALLING AS WELL AS WIRELESS MEDIA STREAMING AND NAVIGATION! ALSO ENJOY THE ADDITION OF APPLE CARPLAY AND ANDROID AUTO AS WELL FOR EVEN MORE FUNCTIONALITY! KEEP EVERYONE COMFORTABLE WITH DUAL CLIMATE CONTROL AND REMOTE START TO WARM THE TRUCK AHEAD OF TIME! ALSO ENJOY THE EQUIPPED POWER SUNROOF AS WELL FOR A GREAT OPEN AIR FEEL WHILE DRIVING! THIS TRUCK IS ALSO EQUIPPED WITH FRONT AND REAR PARK ASSIST AND REAR CAMERA TO HELP YOU AVOID ANY OBSTACLES OR ACCIDENTS! COME CHECK OUT THIS STUNNING AND WELL-EQUIPPED DENALI ULTIMATE TODAY!

DENALI, CREW, 4X4, 5.3L V8, 10-SPEED AUTOMATIC, 5.8FT BOX, 3.23 AXLE, NAVIGATION, SUNROOF, HEATED/COOLED LEATHER BUCKETS, HEATED WHEEL, 20 INCH POLISHED ALLOY WHEELS, STEP BARS, FRONT/REAR PARK ASSIST, REAR CAMERA, DENALI CHROME TRIM, BOSE, TOW PACKAGE, MULTI-PRO TAILGATE, 1-OWNER, MACMASTER ORIGINAL! COME CHECK OUT THIS BEAUTIFUL 2021 GMC SIERRA 1500 DENALI CREW THAT IS WELL-EQUIPPED AND WELL-MAINTAINED WITH 111K KMS ON IT SINCE NEW! THIS DENALI LOOKS SHARP EQUIPPED IN A BEAUTIFUL COLOUR WITH PLENTY OF CHROME! ON THE EXTERIOR, THIS DENALI FEATURES BODY COLOUR BUMPERS, LED HEADLIGHTS WITH LED DAYTIME RUNNING LIGHTS, CHROME DENALI MESH GRILLE AND TRIM AS WELL AS STEP BARS AND 20 INCH POLISHED ALLOY WHEELS! THIS DENALI IS FINISHED IN ONYX BLACK WHICH CONTRASTS GREATLY AGAINST THE CHROME TRIM THIS TRUCK HAS AND IS ALSO EQUIPPED WITH A BEDLINER TO KEEP YOUR CARGO AREA CLEAN! THE NEW STYLE TRUCK FEATURES A GREAT NEW DESIGN AND THE ALL-NEW GMC MULTI-PRO TAILGATE! UNDER THE HOOD, THE ECONOMICAL AND POWERFUL 5.3L ECOTEC3 V8 AND 10-SPEED AUTOMATIC IS READY TO GET THE JOB DONE WITH GOOD FUEL ECONOMY AS WELL AS AMAZING PASSING AND TOWING POWER! ON THE INTERIOR, THIS DENALI IS WELL-EQUIPPED AND FINISHED WITH BEAUTIFUL EBONY HEATED AND COOLED LEATHER SEATS, LED LIGHTING AND FULL POWER GROUP AS WELL! THIS DENALI ALSO FEATURES GMC'S INTELLILINK SYSTEM WITH HANDS FREE CALLING AS WELL AS WIRELESS MEDIA STREAMING AND NAVIGATION! ALSO ENJOY THE ADDITION OF APPLE CARPLAY AND ANDROID AUTO AS WELL FOR EVEN MORE FUNCTIONALITY! KEEP EVERYONE COMFORTABLE WITH DUAL CLIMATE CONTROL AND REMOTE START TO WARM THE TRUCK AHEAD OF TIME! ALSO ENJOY THE EQUIPPED POWER SUNROOF AS WELL FOR A GREAT OPEN AIR FEEL WHILE DRIVING! THIS TRUCK IS ALSO EQUIPPED WITH FRONT AND REAR PARK ASSIST AND REAR CAMERA TO HELP YOU AVOID ANY OBSTACLES OR ACCIDENTS! COME CHECK OUT THIS STUNNING AND WELL-EQUIPPED DENALI TODAY!