2021 GMC Sierra 2500HD SLE

Dealership Vehicle Description
Performance & Specs
Interior
Exterior
Safety

Built to handle serious work and long highway pulls, this used 2021 GMC Sierra 2500 SLE delivers heavy-duty diesel strength with the confidence of four-wheel drive. Offered by Steele Chevrolet Buick GMC in Dartmouth, this four-door truck pairs a 6.6L turbocharged diesel V8 with an automatic transmission for strong torque, smooth shifting, and capable all-season performance.

With 166,196 km on the odometer, this 2021 GMC Sierra 2500 SLE shows the toughness and durability drivers expect from a heavy-duty pickup. Its Engine Block Heater is a valuable addition for Atlantic Canadian winters, helping with cold-weather starts and making early mornings easier when temperatures drop.

ADVANCED SAFETY FEATURES
Four-wheel drive adds year-round traction
Large truck stance supports road visibility
Four-door cabin aids easier passenger access
Heavy-duty build inspires confident driving

PERFORMANCE AND EFFICIENCY
6.6L turbo diesel V8 delivers torque
Automatic transmission supports smooth power delivery
Four-wheel drive handles changing road conditions
Engine Block Heater helps cold-weather starts

COMFORT AND CONVENIENCE
Four full doors improve daily usability
Spacious cabin supports workday practicality
Easy entry for front occupants
Strong road presence suits long trips

TECHNOLOGY AND CONNECTIVITY
Straightforward controls support easy operation
Automatic transmission reduces driver workload
Clear truck layout feels familiar
Practical design focuses on daily function

TRUCK FEATURES
Heavy-duty platform built for demanding tasks
Diesel power suits towing and hauling
Four-wheel drive supports off-pavement confidence
Pickup design fits work and recreation

CARGO SPACE
Pickup box handles bulky gear easily
Open bed suits jobsite materials
Useful hauling space for larger loads
Truck format supports versatile cargo needs

WHAT OTHER OWNERS LIKE
Strong diesel torque for heavy jobs
Confident four-wheel drive in poor weather
Practical four-door cabin for daily use
Heavy-duty capability for towing demands

This used 2021 GMC Sierra 2500 SLE is a smart choice for drivers who need real truck capability without giving up everyday usability. The diesel V8 is well known for delivering the low-end pulling power that matters when towing, hauling equipment, or carrying a full load through demanding conditions. Combined with an automatic transmission, it offers a composed and dependable driving experience.

The four-wheel-drive system adds extra confidence on gravel, snow-covered roads, and wet pavement around Dartmouth and beyond. For drivers who put their truck to work year-round, that added traction can make a real difference. The Engine Block Heater also adds welcome convenience during colder months, especially for early starts and winter jobsite routines.

Inside, the four-door layout makes this 2021 GMC Sierra 2500 SLE practical for both work crews and family use. There is easy access to the cabin, useful interior room, and the kind of straightforward layout truck owners appreciate. Everything about this pickup is designed with purpose, from its strong mechanical setup to its heavy-duty construction.

If you need a used truck with diesel power, four-wheel-drive capability, and the everyday usefulness of a spacious crew-friendly cabin, this 2021 GMC Sierra 2500 SLE deserves a close look. It is ready to support demanding tasks, long-distance driving, and the changing conditions of life in Canada with the toughness expected from a serious heavy-duty pickup.

This 2021 GMC Sierra 2500 SLE's VIN is: 1GT49MEY2MF242241 .

Air filter
heavy-duty
Air filtration monitoring
Alternator
170 amps (Requires (L8T) 6.6L V8 gas engine.)
Auto-locking rear differential
Battery
heavy-duty 720 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L8T) 6.6L V8 gas engine.)
Brake lining wear indicator
Brakes
4-wheel antilock, 4-wheel disc with DURALIFE rotors
Capless Fuel Fill (Requires (L8T) 6.6L gas V8 engine. Not included with (ZW9) pickup bed delete.)
Cooling
auxiliary external transmission oil cooler
Cooling
external engine oil cooler
Four wheel drive
Frame
fully-boxed, hydroformed front section and a fully-boxed stamped rear section
GVWR
10,450 lbs. (5012 kg) (Included and only available with TK20743 model and (L8T) 6.6L V8 gas engine with 17 wheels or TK20903 model and (L8T) 6.6L V8 gas engine with 18 or 20 wheels.)
Pickup bed includes bed assist step
Rear axle
3.73 ratio (Requires (L8T) 6.6L V8 gas engine.)
Recovery hooks
front, frame-mounted, Black
Steering
Recirculating Ball with smart flow power steering system
Suspension Package (Not available with (X31) Off-Road Package.)
Trailer brake controller
integrated
Transfer case
two-speed, electronic shift with push button controls (Requires 4WD models.)
Transmission
6-speed automatic, heavy-duty

4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.ca or dealer for details.)
Air conditioning
single-zone
Air vents
rear (Not available with Regular Cab model.)
Assist handles front A-pillar mounted for driver and passenger
rear B-pillar mounted
Audio system feature
6-speaker system (Requires Crew Cab or Double Cab model.)
Audio system
GMC Infotainment System with 8 diagonal colour touch-screen AM/FM stereo with seek-and-scan and digital clock, includes Bluetooth streaming audio for music and select phones; featuring wired Android Auto and Apple CarPlay capability for compatible phones
Bluetooth for phone
connectivity to vehicle infotainment system
Compass
located in instrument cluster
Cruise control
steering wheel-mounted
Door locks
power
Driver Information Centre
4.2 diagonal colour display includes driver personalization
Exterior Temperature Display
located in radio display
Floor covering
colour-keyed carpeting
Floor mats
rubberized-vinyl front (Included and only available with (B30) colour-keyed carpeting. Deleted when LPO floor liners are ordered.)
Floor mats
rubberized-vinyl rear (Requires Crew Cab or Double Cab model. Included and only available with (B30) colour-keyed carpeting. Deleted when LPO floor liners are ordered.)
GMC Connected Access capable (Subject to terms. See onstar.ca or dealer for details.)
Instrument cluster
6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
Mirror
inside rearview, manual tilt
Power outlet
front auxiliary, 12-volt
Rear Seat Reminder (Requires Crew Cab or Double Cab model.)
Remote keyless entry
Seat adjuster
driver 4-way manual
Seat adjuster
passenger 4-way manual
Seat trim
Cloth
Seat
rear 60/40 folding bench (folds up), 3-passenger (includes child seat top tether anchor) (Not available with Regular Cab model.)
Seats
front 40/20/40 split-bench with upper covered armrest storage (Standard on Crew Cab and Double Cab models only.)
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Steering column
Tilt-Wheel, manual with wheel locking security feature
Steering wheel audio controls
Steering wheel
leather-wrapped
USB ports
2 (first row) located on instrument panel (Not available with (PDQ) Preferred Package or (ZL6) ProGrade Trailering System.)
Window
power front, passenger express down
Windows
power front, drivers express up/down
Windows
power rear, express down (Not available on Regular Cab models.)

Bed Step
Black integrated on forward portion of bed on driver and passenger side
Bumper
front chrome lower
Bumper
rear chrome with bumper CornerSteps
Cargo tie downs (12)
fixed rated at 500 lbs (226.8 kg) per corner
CornerStep
rear bumper
Door handles
body-colour
Glass
deep-tinted
Grille (Chrome surround with high gloss Black mesh and Chrome inserts.)
Headlamps
LED reflector with incandescent turn signals and LED signature Daytime Running Lamps
Lamps
cargo area cab mounted integrated with centre high mount stop lamp, with switch in bank on left side of steering wheel
LED tail and incandescent stop
turn and reverse light
Mirrors
outside power-adjustable vertical trailering with heated upper glass, lower convex mirrors, integrated turn signals, manual folding/extending (extends 3.31 [84.25mm]), Black
Mouldings
beltline, stainless steel
Tailgate and bed rail protection caps
top
Tailgate
gate function manual with EZ Lift includes power lock and release, includes hitch area light
Tailgate
GMC MultiPro Tailgate with six functional load/access features
Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
Tire
spare LT245/75R17E all-season, blackwall (Included and only available with (QHQ) LT245/75R17E all-season, blackwall tires with (E63) pickup bed models. Available to order when (ZW9) pickup bed delete and (QHQ) LT245/75R17E all-season, blackwall tires are ordered.)
Tires
LT245/75R17E all-season, blackwall
Wheels
17 (43.2 cm) machined aluminum

Airbags
dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag
Daytime Running Lamps
LED signature lighting
Hitch Guidance dynamic single line to aid in truck trailer alignment for hitching
OnStar and GMC connected services capable (Terms and limitations apply. See onstar.ca or dealer for details.)
Rear Vision Camera (Deleted with (Z6A) Gooseneck / 5th Wheel Prep Package or (ZW9) pickup bed delete.)
StabiliTrak
stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob
to help encourage safe driving behaviour. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)