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2026 GMC Sierra 1500 Pro EcoTec3 5.3L V8 RWD
16/20 City/Highway MPG
New 2026 GMCSierra 1500 Pro
- Exterior Color
- Sterling
- Interior Color
- Black
- Fuel Economy
- 18/21 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x2
- Engine
- V-8 cyl
- VIN
- 3GTPHAED3TG486568
- Stock Number
- G37566
Highlighted Features
- Lane departure
- Emergency communication system
- Wireless phone connectivity
- Exterior parking camera rear
- Auto high-beam headlights
- Split folding rear seat
- Perimeter/approach lights
- Remote keyless entry
- Fully automatic headlights
- Trailer sway control
Included Packages & Accessories
- Preferred Equipment Group 1SA
- 4-Way Manual Driver Seat Adjuster
- 4-Way Manual Passenger Seat Adjuster
- Power Front Windows with Passenger Express Down
- Power Rear Windows with Express Down
- Solar Absorbing Tinted Glass
- Remote Keyless Entry
- Power Door Locks
- Power Front Windows with Driver Express Up/Down
- Front 40/20/40 Split-Bench Seat
- Push Button Start
- Hitch Guidance
- Auto-Locking Rear Differential
- Chrome Header with Flat Black Grille Insert Bars
- Radio: GMC Infotainment Audio System
- External Engine Oil Cooling
- Auxiliary External Transmission Oil Cooler
- 220 Amp Alternator
- 170 Amp Alternator
- GMC Pro Safety
- Wireless Apple CarPlay/Wireless Android Auto
- Wheels: 17" x 8" Silver Painted Steel
- Vinyl Seat Trim
- Buckle to Drive
- IntelliBeam Automatic High Beam on/Off
- 2 Charge/Data USB Ports
- OnStar Services Capable
- Following Distance Indicator
- Forward Collision Alert
- Lane Keep Assist with Lane Departure Warning
- Automatic Emergency Braking
- Front Pedestrian Braking
- 6-Speaker Audio System Feature
- HD Rear Vision Camera
- Front Frame-Mounted Black Recovery Hooks
- Front License Plate Kit
- Wi-Fi Hotspot Capable
- Trailering Package
- Standard Suspension Package
- 4-Wheel Disc Brakes
- Apple CarPlay/Android Auto
- Emergency communication system: OnStar
- Auto High-beam Headlights
- Front Center Armrest w/Storage
- Compass
- Variably intermittent wipers
- Trip computer
- Traction control
- Tilt steering wheel
- Split folding rear seat
- Speed-sensing steering
- Speed control
- Remote keyless entry
- Rear step bumper
- Rear reading lights
- Radio data system
- Power windows
- Power steering
- Passenger vanity mirror
- Passenger door bin
- Panic alarm
- Overhead console
- Overhead airbag
- Outside temperature display
- Occupant sensing airbag
- Low tire pressure warning
- Illuminated entry
- Fully automatic headlights
- Front wheel independent suspension
- Front reading lights
- Front anti-roll bar
- Dual front side impact airbags
- Dual front impact airbags
- Driver door bin
- Delay-off headlights
- Bumpers: chrome
- Brake assist
- AM/FM radio
- ABS brakes
- Voltmeter
- Tachometer
- Electronic Stability Control
- Air Conditioning
- 6 Speakers
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Driver door bin
- Emergency communication system: OnStar
- Front beverage holders
- Illuminated entry
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: push button start only
- Rear door bins
- Remote keyless entry
- Speed control
- Tilt steering wheel
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- 1st row LCD monitors: 1
- Primary LCD size: 7.0"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Speakers: 6
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless phone connectivity: Bluetooth
- Basic warranty: 36 months/36,000miles
- Corrosion perforation warranty: 72 months/100,000miles
- Maintenance warranty: 12 months/ unlimited distance
- Front center armrest: w/storage
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Split folding rear seat
- Cylinder deactivation
- Drive type: rear-wheel
- Electric motor 1 torque: none
- Electric motor horsepower: none
- Engine location: front
- Fuel economy city: 18mpg
- Fuel economy combined: 20mpg
- Fuel economy highway: 21mpg
- Fuel tank capacity: 24.0gal.
- Hybrid electric powertrain type: none
- Hybrid system combined power torque: none
- Hybrid system net power: none
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Number of valves: 16
- Recommended fuel: Regular gasoline
- Standard fuel economy fuel type: gasoline
- Variable valve control
- Approach angle: 19 deg
- Departure angle: 24 deg
- Ground clearance (min): 201mm (7.9")
- Ramp breakover angle: 19 deg
- Left rear passenger door: conventional
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,917mm (75.5")
- Exterior length: 5,890mm (231.9")
- Front headroom: 1,092mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,676mm (66.0")
- Greenhouse Gas Score (GG): 4
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,529mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,656mm (65.2")
- Wheelbase: 3,744mm (147.4")
- Appearance: analog
- Auto high-beam headlights
- Compass
- Delay-off headlights
- Exterior parking camera rear: HD Rear Vision Camera yes
- Front reading lights
- Fully automatic headlights
- Lane departure: Lane Keep Assist with Lane Departure Warning active
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- Rear reading lights
- Tachometer
- Trip computer
- Variably intermittent wipers
- Voltmeter
- 4 wheel disc brakes
- ABS brakes
- Brake assist
- Dual front impact airbags
- Dual front side impact airbags
- Electronic stability
- Forward collision: Forward Collision Alert with Automatic Braking mitigation
- Front pedestrian detection: prevention
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Traction control
Dealer Notes
KBB.com Consumer Reviews
- 4.0
Depreciation of 50%
By Manny A on 10/28/2026 10:06:36 AM
This is a amazing truck.. Comfortable lots of sensors Etc…. My truck has 30000 miles I when to trade in they offer $46000 I paid $86000 the depreciation is incredible I don’t buy new truck never again. - 5.0
2021 GMC SLT 4WD SIERRA, Great Truck
By Ransom1 on 10/15/2026 4:18:42 PM
This is my 8th truck. This is hands down the very best truck I’ve ever owned. Not only is it the best looking truck on the road I have never had it in the shop except for oil changes and scheduled maintenance. The silver does not show dirt or grime. - 5.0
Great 4 cylinder truck
By Steve on 9/23/2026 2:01:15 AM
I have only pulled a trailer one time and still got 18 mpg down doing 80 down the interstate. Otherwise this vehicle is used for commuting or recreating. I typically get 22-24 mpg driving MT highways to the mountains. The turbo has some spunk for getting up to speed and the five years I've had my truck no complaints.