2025 GMC Sierra 1500

• Dual-zone front climate control
• Voice-activated climate control
• Automatic climate control
• Rear console climate control ducts
• Climate control
• Metal-look console insert
• Ventilated driver and front passenger seats
• Aluminum and genuine wood door panel insert
• Vinyl door trim insert
• Rubber front and rear floor mats with carpet inserts
• Full carpet floor covering
• Full floor coverage
• Leather front seat upholstery
• Plastic front seatback upholstery
• Bucket front seats
• Driver seat with 12-way directional controls
• Front seat centre armrest
• Front passenger seat with 12-way directional controls
• Height adjustable front seat head restraints
• Manual front seat head restraint control
• Metal-look gear shifter material
• Deep tinted windows
• Simulated suede headliner material
• Full headliner coverage
• Heated driver and front passenger seats
• Heated rear seats
• Genuine wood and metal-look instrument panel insert
• Chrome interior accents
• Driver seat with 4-way power lumbar
• Front passenger seat with 4-way power lumbar
• 2 memory settings
• Cabback insulator
• Massaging driver seat
• Massaging front passenger seat
• Driver seat power reclining, lumbar support, seatback side bolster support, cushion tilt, articulating upper backrest, fore/aft control and height adjustable control
• Passenger seat power reclining, lumbar support, seatback side bolster support, cushion tilt, articulating upper backrest, fore/aft control and height adjustable control
• Split-bench rear seat
• Fold-up rear seat cushion
• 60-40 folding rear seats
• Rear seat centre armrest
• Fixed rear seats
• Height adjustable rear seat head restraints
• Manual rear seat head restraint control
• 2 rear seat head restraints
• 5-Passenger Seating
• Heated steering wheel
• Leather and metal-look steering wheel
• Power tilting steering wheel
• Power telescopic steering wheel
• Leather rear seat upholstery
• Carpetrear seatback upholstery

• Steering wheel mounted audio controls
• Full floor console
• Covered floor console storage
• Mini overhead console
• Cruise control with stop and go
• Cruise control with steering wheel mounted controls
• Smart key with hands-free access and push button start
• Push-button
• Auto-locking doors
• All-in-one remote fob and ignition key
• Power door locks with 2 stage unlocking
• Keyfob keyless entry
• Tailgate/power door lock
• Heated driver and passenger side door mirrors
• Power driver and passenger door mirrors with tilt down in reverse
• Auto-dimming driver side mirror
• Power folding door mirrors
• Capless fuel filler
• Weight capacity alert
• Full gauge cluster screen
• Rear seat cheque warning
• Exterior temperature display
• Tachometer
• Oil pressure gauge
• Engine/electric motor temperature gauge
• Voltmeter
• Inclinometer
• Transmission fluid temperature gauge
• Engine hour metre
• Diesel exhaust fluid (def) gauge
• Digital clock
• Compass
• Redundant digital speedometer
• Engine temperature warning
• Battery charge warning
• Low level warning for oil, coolant, fuel, washer fluid, brake fluid and diesel exhaust fluid (DEF)
• Key in vehicle warning
• Door ajar warning
• Service interval indicator
• Turn signal on warning
• Oil pressure warning
• Transmission fluid temp warning
• Brake pad wear indicator
• Driver information centre
• Headlights on reminder
• Trip odometer
• Auto-dimming rear view mirror
• Day/Night rearview mirror
• Keyfob remote start
• Keyfob window control
• Smart device remote start
• Keyfob trunk control
• Front reading lights
• Rear reading lights
• Variable instrument panel light
• Memory settings include: door mirrors
• Garage door opener
• Tire pressure fill assist
• Trip computer
• Retained accessory power
• Conventional left rear passenger door
• Conventional right rear passenger door
• Driver foot rest
• Easy lift tailgate
• Easy lower tailgate
• Integrated tailgate step
• 1 exterior 120V AC power outlet
• 1 interior AC power outlet
• Tailgate
• Front facing rear seat
• Power rear windshield
• Front beverage holders
• Locking glove box
• 8 beverage holders
• 2 seatback storage pockets
• Driver and passenger door bins
• Rear door bins
• Rear under seat tray
• Rear beverage holders
• Front wireless smart device charging
• Built-in virtual assistant
• Driver visor mirror
• Illuminated driver visor mirror
• Passenger visor mirror
• Illuminated passenger visor mirror
• Power first-row windows
• Power second-row windows
• Front and rear one-touch down windows
• Driver and passenger one-touch up windows
• Variable intermittent front windshield wipers
• Rear window defroster

• Galvanized steel/aluminum body panels with side impact beams
• Black front bumper
• Black rear bumper
• Rear bumper step
• Black front bumper rub strip
• 2 underbody skid plates
• Spray-in pickup bed liner
• Pickup bed-rail protectors
• 4 doors
• Standard style pickup box
• Dark chrome grille
• LED in-box lighting
• Standard style side mirrors
• Black door mirrors
• Monotone paint
• Full-size spare tire with aluminum wheel
• Crank-down spare tire
• First-row sliding and tilting glass sunroof with express open/close activation sunshade
• LT275/70QR18 MT BSW front and rear tires
• Vehicle to trailer hitching assist
• Trailer tire pressure and temperature sensors
• Trailer light test
• Trailer light malfunction warning
• Trailer theft alarm
• Trailer brake controller
• Trailer sway control
• Vehicle and trailer reverse assist with visual graphic guidance only
• Trailer hitch light
• Trailer wiring harness
• Class IV tow rating
• Trailer hitch
• Black fender flares
• Black side window trim
• Body-coloured door handles
• 18 x 8.5-inch front and rear silver aluminum wheels

• Fixed audio antenna
• Wireless audio streaming
• Voice activated audio controls
• Amplifier
• Digital signal processor
• Speed sensitive volume
• Primary monitor touchscreen
• 2 total number of 1st row displays
• 13.4 inch primary display
• AM/FM/satellite
• External memory control
• Internet radio capability
• Seek scan
• Radio data system (RDS)
• 3 month satellite trial subscription
• Branded speakers
• 2 exterior speakers
• 12 speakers

• Alternator
• Heavy-duty lead acid battery
• Battery run down protection
• Front and rear ventilated disk brakes
• Four channel ABS brakes
• Electronic parking brake
• Part and full-time 4WD
• Four-wheel drive
• Two-Speed Transfer Case
• All-speed ABS and driveline traction control
• Electronic transfer case shift
• Driver selectable front locking differential
• Driver selectable rear locking differential
• Auto locking hub control
• ICE
• 6.2L V-8 gasoline direct injection, variable valve control, premium unleaded, engine with cylinder deactivation and 420HP
• 6.2L V-8
• Intercooled turbo
• Front mounted engine
• Spark ignition system
• Variable intake manifold
• Longitudinal mounted engine
• Aluminum engine block
• Aluminum cylinder head
• V8
• Auto stop-start engine
• Engine block heater
• Engine oil cooler
• Radiator
• Stainless steel quasi-dual exhaust
• Premium Unleaded
• Speed sensitive power steering
• Electric power-assist steering system
• Rack-pinion steering
• Off-road ride suspension
• Independent front suspension
• Short and long arm front suspension
• Front anti-roll bar
• Front coil springs
• Gas-pressurized shock absorbers
• Rigid axle rear suspension
• Rear leaf springs
• Regular grade rear springs
• Leaf spring rear suspension
• 10-speed automatic
• Selectable mode transmission
• Transmission electronic control
• Sequential shift with steering wheel controls
• Automatic
• Lock-up transmission
• Overdrive transmission
• Transmission oil cooler

• Forward collision mitigation
• Pedestrian impact prevention
• Lane departure prevention
• Rear collision mitigation
• Restricted driving mode/alerts
• Rear pedestrian detection warning
• Blind spot warning
• Following distance alert
• 6 airbags
• Driver front impact airbag
• Seat mounted side impact driver airbag
• Curtain first and second-row overhead airbags
• Passenger front impact airbag
• Seat mounted side impact front passenger airbag
• Airbag occupancy sensor
• Predictive brake assist system
• 4-wheel disk brakes
• 4-wheel antilock (ABS) brakes
• Rear mounted camera
• Aerial view camera
• Front mounted camera with washer
• Right side camera
• Pickup box camera
• Left side camera
• Off-road speed control
• Auto high-beam headlights
• Projector beam headlights
• LED low and high beam headlights
• Auto on/off headlight control
• Delay-off headlights
• Multiple enclosed headlights
• Head-up display
• Gauge cluster display size: 12.30
• Configurable instrumentation gauges
• Analog instrumentation display
• Tire specific low air pressure warning
• LED daytime running lights
• LED brake lights
• LED front fog lights
• Remote activated perimeter approach lighting with puddle lights
• High mounted centre stop light
• Illuminated entry
• Fade interior courtesy lights
• Cab mounted cargo light
• Video-feed rearview mirror
• Manual rear child safety door locks
• Front and rear parking sensors
• Front seatbelt pretensioners
• Rear seat centre 3-point seatbelt
• 2 seatbelt pre-tensioners
• Vehicle tracker with vehicle slowdown
• Immobilizer
• Security system
• Remote panic alarm
• Electronic stability control system with anti-roll
• Hill descent control
• Hill start assist
• Rain detecting wipers

• Smart device wireless mirroring
• Vehicle integrated emergency SOS system
• Handsfree wireless device connectivity
• Mobile app access
• Mobile hotspot internet access
• Integrated navigation system with voice activation
• Turn-by-turn navigation system
• 6 USB ports

Engine

Valves per cylinder

2

Engine Cylinders

8

Injection Type

Gasoline direct injection

Engine specs

Displacement liters

6.2 L

Bore

4.07 "

Stroke

3.62 "

Compression ratio

11.5

Horsepower

420 HP

SAEJ1349

AUG2004 compliant

Torque

624.5 Nm

Displacement cubic inch

376 cu.in.

Alternator

Alternator Amps

170 A

Battery

Battery rating

730 CCA

Battery Amps

80 Ah

Transmission

First gear ratio

4.7

Second gear ratio

2.99

Third gear ratio

2.15

Fourth gear ratio

1.77

Fifth gear ratio

1.52

Sixth gear ratio

1.28

Reverse gear ratio

4.87

Seventh gear ratio

1

Eighth gear ratio

0.85

Ninth gear ratio

0.69

Tenth gear ratio

0.64

Transmission Speeds

10

Tires

Front tire width

10.8 "

Front tire aspect ratio

70

Front tire diameter

18.0 "

Rear tire width

10.8 "

Rear tire aspect ratio

70

Rear tire diameter

18.0 "

Drivetrain

Axle ratio

3.23

Fuel economy

Fuel economy (city/highway/combined)

17.1 L/100 km

Fuel economy city

17.1 L/100 km

Fuel economy combined

16 L/100 km

Fuel economy highway

14.7 L/100 km

Fuel economy fuel type

Premium Unleaded

Brakes

Front brake diameter

330 mm

Rear brake diameter

345 mm

Fuel

DEF capacity

20.06 litres

Fuel tank capacity

90.8 litres

Climate control

Air Conditioning

Air Conditioning

Weights

GVWR

3,311 kg

GAWR front

1,792 kg

GAWR rear

1,724 kg

Axle capacity front

1,792 kg

Axle capacity rear

1,724 kg

Spring rating front

1,792 kg

Standard curb weight

2594.5 kg

Standard payload

612.4 kg

Trailering

Towing capacity

3,946 kg

Max gross combined weight rating

6,804 kg

Fifth-wheel towing capacity

2,223 kg

Gooseneck towing capacity

2,223 kg

Interior measurements

Leg room first-row

1131.1 mm

Leg room second-row

1102.4 mm

Head room first-row

1092.2 mm

Head room second-row

1018.5 mm

Hip room first-row

1543.8 mm

Hip room second-row

1504.7 mm

Shoulder room first-row

1638.3 mm

Shoulder room second-row

1625.6 mm

Exterior measurements

Cargo box length

1775.5 mm

Cargo box min width

1286 mm

Cargo box volume

1781.1 L

Pickup box depth

569 mm

Cargo box max width

1813.6 mm

Vehicle body length

5943.6 mm

Vehicle body width

2063.5 mm

Vehicle body height

1997.7 mm

Wheelbase

3746.5 mm

Vehicle turning radius

7.21 m

Min ground clearance

292.1 mm

Approach angle

25.5

Departure angle

23

Green values

fuel CO2 level - g/km combined

326