*Not all vehicles come with two sets of keys, owners manuals, floormats or a full tank of gas. These are pre-owned vehicles, not new, so wear/tear should be expected. Each day inventory is updated but human error can or will occur on occasion, so please, feel free to contact dealer with any questions, comments or concerns in regards to vehicles listed. State sales tax, registration, title and dealer documentation fees are additional. All sales pricing reflects financing with dealer and includes $1000 bank incentives given to dealer. Pricing may adjust at dealer discretion. Pricing may include Federal EV rebate if vehicle is qualified.
Used 2020 GMCSierra 1500 SLE
- Exterior Color
- Onyx Black
- Interior Color
- Black
- Odometer
- 38,419 miles
- Body/Seating
- Truck Crew Cab/6 seats
- Fuel Economy
- 19/22 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GTU9BED1LZ152707
- Stock Number
- P4639A
GMC
Sierra 1500
Highlighted Features
- Premium audio system
- Wireless phone connectivity
- Split folding rear seat
- Perimeter/approach lights
- Remote keyless entry
- Steering wheel mounted audio controls
- Fully automatic headlights
- Alloy wheels
- Heated door mirrors
- Trailer sway control
Included Packages & Accessories
- Preferred Equipment Group 3SA
- 3.42 Rear Axle Ratio
- 3.23 Rear Axle Ratio
- Heavy-Duty Rear Locking Differential
- Wheels: 17" x 8" Bright Silver Painted Aluminum
- 20" x 9" Polished Aluminum Wheels
- Front 40/20/40 Split-Bench Seat
- Front 40/20/40 Split-Bench Seat (AZ3)
- Cloth Seat Trim
- 10-Way Power Driver Seat Adjuster w/Lumbar
- Cloth Rear Seat w/Storage Package
- Heavy Duty Suspension
- Off-Road Suspension
- Radio: GMC Infotainment Audio System
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- SLE Convenience Package
- SLE Value Package
- Preferred Package
- Driver Alert Package I
- Single-Zone Manual/Semi-Automatic Air Conditioning
- Electric Rear-Window Defogger
- Color-Keyed Carpeting Floor Covering
- 120-Volt Instrument Panel Power Outlet
- Deep-Tinted Glass
- Front License Plate Kit
- LED Cargo Area Lighting
- EZ Lift Power Lock & Release Tailgate
- X31 Off-Road Package
- Trailering Package
- 220 Amp Alternator
- High-Capacity Air Filter
- Integrated Trailer Brake Controller
- Skid Plates
- OnStar & GMC Connected Services Capable
- 4-Way Manual Driver Seat Adjuster
- Power Sliding Rear Window w/Rear Defogger
- 4-Way Manual Passenger Seat Adjuster
- GMC Connected Access Capable
- Power Front Windows w/Passenger Express Down
- Power Rear Windows w/Express Down
- Remote Keyless Entry
- Keyless Open & Start
- Power Door Locks
- Power Front Windows w/Driver Express Up/Down
- Rear Wheelhouse Liners
- Front Rubberized-Vinyl Floor Mats
- Rear Rubberized-Vinyl Floor Mats
- Remote Vehicle Starter System
- Dual-Zone Automatic Climate Control
- Hitch Guidance
- Chrome Grille
- Hill Descent Control
- Heated Driver & Front Outboard Passenger Seating
- External Engine Oil Cooling
- 120-Volt Bed Mounted Power Outlet
- Heated Steering Wheel
- Auxiliary External Transmission Oil Cooler
- 12-Volt Rear Auxiliary Power Outlet
- 170 Amp Alternator
- 2 USB Ports
- Electrical Lock Control Steering Column
- Dual Exhaust w/Premium Tips
- Manual Tilt Wheel Steering Column
- Manual Tilt-Wheel & Telescoping Steering Column
- Single Speed Transfer Case
- 2-Speed Transfer Case
- Perimeter Lighting
- SiriusXM w/360L
- HD Radio
- Ultrasonic Front & Rear Park Assist
- Rear Cross Traffic Alert
- Universal Home Remote
- Steering Wheel Audio Controls
- Lane Change Alert w/Side Blind Zone Alert
- 6-Speaker Audio System Feature
- Rear Dual USB Charging-Only Ports
- Theft Deterrent System (Unauthorized Entry)
- HD Rear Vision Camera
- Front Frame-Mounted Black Recovery Hooks
- 4G LTE Wi-Fi Hotspot Capable
- X31 Hard Badge
- 4-Wheel Disc Brakes
- Apple CarPlay/Android Auto
- Premium audio system: GMC Infotainment System
- Exterior Parking Camera Rear
- Front Center Armrest w/Storage
- Compass
- Variably intermittent wipers
- Trip computer
- Traction control
- Tilt steering wheel
- Steering wheel mounted audio controls
- 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
- Power door mirrors
- Passenger vanity mirror
- Passenger door bin
- Panic alarm
- Overhead console
- Overhead airbag
- Outside temperature display
- Occupant sensing airbag
- Low tire pressure warning
- Illuminated entry
- Heated door mirrors
- Fully automatic headlights
- Front wheel independent suspension
- Front reading lights
- Front anti-roll bar
- Dual front side impact airbags
- Dual front impact airbags
- Driver vanity mirror
- Driver door bin
- Delay-off headlights
- Bumpers: chrome
- Brake assist
- Alloy wheels
- 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
- Driver vanity mirror
- Front beverage holders
- Illuminated entry
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Rear door bins
- Remote keyless entry
- Speed control
- Tilt steering wheel
- Alloy wheels
- Front anti-roll bar
- Front wheel independent suspension
- Power steering
- Speed-sensing steering
- 1st row LCD monitors: 2
- Premium audio system: GMC Infotainment System
- Primary LCD size: 8.0"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Speakers: 6
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Front center armrest: w/storage
- Front seats: bench
- Max seating capacity: 6
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: cloth
- Split folding rear seat
- Cylinder deactivation
- Drive type: four-wheel
- Engine location: front
- Fuel economy city: 19mpg
- Fuel economy combined: 20mpg
- Fuel economy fuel type: gasoline
- Fuel economy highway: 22mpg
- Fuel tank capacity: 24.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Variable valve control
- Ground clearance (min): 205mm (8.1")
- Bumpers: chrome
- Door mirrors: chrome
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,918mm (75.5")
- Exterior length: 5,885mm (231.7")
- Front headroom: 1,093mm (43.0")
- Front hiproom: 1,554mm (61.2")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,677mm (66.0")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,530mm (60.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,655mm (65.2")
- Wheelbase: 3,744mm (147.4")
- Appearance: analog
- Compass
- Delay-off headlights
- Front reading lights
- Fully automatic headlights
- 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
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Traction control
Dealer Notes
At Monadnock Ford you can receive a trade-in appraisal online to get a head start on the financing process. Visit our service Quick Lane® to get in and out fast when it's time for routine maintenance.
10-Speed Automatic, 4WD, Black Cloth. Odometer is 30877 miles below market average! Priced below KBB Fair Purchase Price!
Onyx Black 2020 GMC Sierra 1500 SLE EcoTec3 5.3L V8 10-Speed Automatic 4WD
Check this out at Monadnock Ford located at 119 Monadnock Highway in Swanzey, New Hampshire! You may also call us at (603) 283-5900! Maverick Motor Group offers 400+ used vehicles available to purchase on any day.
10-Speed Automatic, 4WD, Black Cloth. Odometer is 30877 miles below market average! Priced below KBB Fair Purchase Price!
Onyx Black 2020 GMC Sierra 1500 SLE EcoTec3 5.3L V8 10-Speed Automatic 4WD
Check this out at Monadnock Ford located at 119 Monadnock Highway in Swanzey, New Hampshire! You may also call us at (603) 283-5900! Maverick Motor Group offers 400+ used vehicles available to purchase on any day.
KBB.com Consumer Reviews

Overall4Out of 5
- 3.0
Nice truck
By froggy | on Sunday, December 06, 2020
I purchased this truck brand new and at 3900 miles I started to have a misfire. The warranty put a refurbished rebuilt engine in it. I was not aware that the warranty doesn't put new parts in just refurbished rebuilt parts. I traded in and lost my favorite blue truck. Not a fan of the whole process. Love the truck just not how the warranty went. I would not own another brand or model the 2020 is the nicest riding and looking. Just got a bad motor from the manufacture.… - 5.0
Great Truck
By Mel | on Sunday, April 25, 2021
I love it, I get compliments every where I go, and it apparently worth more than I paid for it brand new, a year and a half later. can't ask for much more than that.… - 5.0
Well done GM
By Tony | on Thursday, November 26, 2020
This truck has a 10 speed transmission that you can barely feel it shift. Traded in an F150 and test drove a similar equipped Ram. Although the Ram was nice, the styling of the GMC won me over, along with the tailgate! It also pulls my boat way better than the Ford, just smoother all around. The cabin is very quiet and the gas mileage is much better than V8 Ford. The cabin is super quiet and the ride is awesome. Love the adaptive cruise control too. The technology is fine and the screen is plenty big. Remember, you are driving this truck, not going to thr drive in! Most importantly, the controls are simple to use and Bose stereo sounds great! Oh, and I got it cheaper than the similar Ram too!…
Based on 88 consumer ratings for 2019–2025 models. | Privacy
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