2018 GMC Sierra 1500 SLE 6-Speed Automatic Electronic with Overdrive, Black Cloth, 10-Way Power Driver's Seat Adjuster, 110-Volt AC Power Outlet, 150 Amp Alternator, 3.08 Rear Axle Ratio, 3.23 Rear Axle Ratio, 3.42 Rear Axle Ratio, 4-Wheel Disc Brakes, 4.2" Diagonal Color Display Driver Info Center, 40/20/40 Front Split Bench Seat, 6 Speakers, 6-Speaker Audio System, 720 CCA/80 Amp-hr Maintenance Free HD Battery, ABS brakes, Air Conditioning, Alloy wheels, AM/FM radio: SiriusXM, Auxiliary External Transmission Oil Cooler, Body Color Bodyside Moldings, Body Color Door Handles, Body Color Power Adjustable Heated Outside Mirrors, Body-Color Mirror Caps, Bodyside moldings, Brake assist, Bumpers: chrome, CD player, Cloth Seat Trim, Color-Keyed Carpeting, Compass, Deep-Tinted Glass, Delay-off headlights, Driver & Front Passenger Illuminated Vanity Mirrors, Driver door bin, Driver vanity mirror, Dual front impact airbags, Dual front side impact airbags, Dual-Zone Automatic Climate Control, Electric Rear-Window Defogger, Electronic Stability Control, Exterior Parking Camera Rear, EZ Lift & Lower Tailgate, Front anti-roll bar, Front Center Armrest w/Storage, Front License Plate Kit, Front reading lights, Front wheel independent suspension, Fully automatic headlights, GMC 4G LTE, GMC Connected Access, HD Radio, Heated door mirrors, Heavy Duty Suspension, Heavy-Duty Rear Locking Differential, High-Intensity Discharge Headlights, Illuminated entry, Leather Wrapped Steering Wheel w/Cruise Controls, LED Cargo Box Lighting, Low tire pressure warning, Manual Tilt/Telescoping Steering Column, Occupant sensing airbag, OnStar & GMC Connected Services Capable, Outside temperature display, Overhead airbag, Overhead console, Panic alarm, Passenger door bin, Passenger vanity mirror, Power door mirrors, Power steering, Power windows, Power Windows w/Driver Express Up & Down, Preferred Equipment Group 3SA, Premium audio system: GMC Infotainment System, Radio data system, Radio: AM/FM/GMC Infotainment System, Rear 60/40 Folding Bench Seat (Folds Up), Rear reading lights, Rear seat center armrest, Rear step bumper, Rear Wheelhouse Liners, Remote Keyless Entry, Remote keyless entry, Remote Locking Tailgate, Remote Vehicle Starter System, Rubberized-Vinyl Front Floor Mats, Rubberized-Vinyl Rear Floor Mats, Single Slot CD/MP3 Player, Single-Zone Air Conditioning, SiriusXM Satellite Radio, Speed control, Speed-sensing steering, Split folding rear seat, Steering Wheel Audio Controls, Steering wheel mounted audio controls, Tachometer, Texas SLE Value Package, Theft Deterrent System (Unauthorized Entry), Thin Profile LED Fog Lamps, Tilt steering wheel, Traction control, Trailering Equipment, Trip computer, Universal Home Remote, Variably intermittent wipers, Voltmeter, Wheels: 17" x 8" Bright Machined Aluminum, 6-Speed Automatic Electronic with Overdrive, Black Cloth.
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Used 2018 GMCSierra 1500 SLE
- Exterior Color
- Summit White
- Interior Color
- Black
- Odometer
- 45,533 miles
- Fuel Economy
- 18/24 MPG City/Hwy
- Transmission
- 6-Speed Automatic Electronic with Overdrive
- Drivetrain
- 4x2
- Engine
- V-8 cyl
- VIN
- 3GTP1MEC6JG278436
- Stock Number
- 1P9906A
GMC
Sierra 1500
Highlighted Features
- Premium audio system
- Wireless phone connectivity
- Exterior parking camera rear
- High intensity discharge headlights
- 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
- Texas SLE Value Package
- Trailering Equipment
- 6 Speakers
- 6-Speaker Audio System
- AM/FM radio: SiriusXM
- CD player
- HD Radio
- Premium audio system: GMC Infotainment System
- Radio data system
- Radio: AM/FM/GMC Infotainment System
- Single Slot CD/MP3 Player
- SiriusXM Satellite Radio
- Steering Wheel Audio Controls
- Air Conditioning
- Dual-Zone Automatic Climate Control
- Electric Rear-Window Defogger
- Single-Zone Air Conditioning
- 110-Volt AC Power Outlet
- Power steering
- Power windows
- Power Windows w/Driver Express Up & Down
- Remote Keyless Entry
- Remote keyless entry
- Remote Vehicle Starter System
- Steering wheel mounted audio controls
- Universal Home Remote
- Heavy Duty Suspension
- Leather Wrapped Steering Wheel w/Cruise Controls
- Manual Tilt/Telescoping Steering Column
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Front anti-roll bar
- Front wheel independent suspension
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Remote Locking Tailgate
- Brake assist
- Electronic Stability Control
- Exterior Parking Camera Rear
- Delay-off headlights
- Fully automatic headlights
- High-Intensity Discharge Headlights
- Panic alarm
- Theft Deterrent System (Unauthorized Entry)
- Speed control
- Heavy-Duty Rear Locking Differential
- 150 Amp Alternator
- 720 CCA/80 Amp-hr Maintenance Free HD Battery
- Auxiliary External Transmission Oil Cooler
- Body Color Bodyside Moldings
- Body Color Door Handles
- Body Color Power Adjustable Heated Outside Mirrors
- Body-Color Mirror Caps
- Bodyside moldings
- Bumpers: chrome
- EZ Lift & Lower Tailgate
- Front License Plate Kit
- Heated door mirrors
- LED Cargo Box Lighting
- Power door mirrors
- Rear step bumper
- Rear Wheelhouse Liners
- Thin Profile LED Fog Lamps
- 4.2" Diagonal Color Display Driver Info Center
- Cloth Seat Trim
- Color-Keyed Carpeting
- Compass
- Driver & Front Passenger Illuminated Vanity Mirrors
- Driver door bin
- Driver vanity mirror
- Front reading lights
- GMC 4G LTE
- GMC Connected Access
- Illuminated entry
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear reading lights
- Rear seat center armrest
- Rubberized-Vinyl Front Floor Mats
- Rubberized-Vinyl Rear Floor Mats
- Tachometer
- Tilt steering wheel
- Trip computer
- Voltmeter
- 10-Way Power Driver's Seat Adjuster
- 40/20/40 Front Split Bench Seat
- Rear 60/40 Folding Bench Seat (Folds Up)
- Split folding rear seat
- Front Center Armrest w/Storage
- Passenger door bin
- Alloy wheels
- Wheels: 17" x 8" Bright Machined Aluminum
- Deep-Tinted Glass
- Variably intermittent wipers
- 3.08 Rear Axle Ratio
- 3.23 Rear Axle Ratio
- 3.42 Rear Axle Ratio
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 beverage holders
- 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
- AM/FM radio: SiriusXM
- CD player
- CD-MP3 decoder
- Premium audio system: GMC Infotainment System
- Primary LCD size: 8.0"
- Radio data system
- Speakers: 6
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Manual driver lumbar support
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Split folding rear seat
- Cylinder deactivation
- Drive type: rear-wheel
- Engine location: front
- Fuel economy city: 18mpg
- Fuel economy combined: 20mpg
- Fuel economy highway: 24mpg
- Fuel tank capacity: 26.0gal.
- Manual-shift auto
- Mode select transmission
- Recommended fuel: Regular Unleaded
- Transmission: 6 speed automatic
- Variable valve control
- Approach angle: 18 deg
- Departure angle: 24 deg
- Ground clearance (min): 216mm (8.5")
- Ramp breakover angle: 19 deg
- Bodyside moldings
- Door mirrors: body-color
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Trailer sway control
- Compression ratio: 11.00 to 1
- Curb weight: 2,284kg (5,036lbs)
- Exterior body width: 2,032mm (80.0")
- Exterior height: 1,884mm (74.2")
- Exterior length: 5,824mm (229.3")
- Front headroom: 1,087mm (42.8")
- Front hiproom: 1,543mm (60.7")
- Front legroom: 1,150mm (45.3")
- Front shoulder room: 1,677mm (66.0")
- Payload: 835kg (1,840lbs)
- Rear headroom: 1,029mm (40.5")
- Rear hiproom: 1,531mm (60.3")
- Rear legroom: 1,040mm (40.9")
- Rear shoulder room: 1,670mm (65.7")
- Turning radius: 7.2m (23.6')
- Wheelbase: 3,645mm (143.5")
- Compass
- Delay-off headlights
- Display: analog
- Exterior parking camera rear
- Front reading lights
- Fully automatic headlights
- High intensity discharge 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
KBB.com Consumer Reviews

Overall4.1Out of 5
- 5.0
Awesome Teuck
By Sandy | on Friday, July 23, 2021
I absolutely love my truck. Comfort is better than our Cadillac and it looks awsome. Luxury interior and amazing in the snow.… - 1.0
2014 1500 denali
By Nate | on Sunday, May 07, 2023
I have decided that this will be the first and final General Motors (GM) product that I will purchase. The air conditioning failed at 60,000 miles due to a problem with the condenser. At 65,000 miles, I had to replace the transmission because it was causing very rough shifts between gears 1-2 and 2-3. Unfortunately, at 120,000 miles, the transmission is once again exhibiting the same issue it had before it was replaced. Additionally, I was unlucky enough to have a truck that experiences paint peeling on nearly every body panel. This is especially prominent in large sections near the windows and rear doors. Needless to say, I will not be making this mistake again.… - 1.0
Transmission
By Big man | on Tuesday, February 11, 2025
Terrible vehicle. They sold them know transmission was bad. I’ve put new transmission in 2021. And now it’s going out. Will be third transmission jn 142,000 miles…
Based on 128 consumer ratings for 2014–2018 models. | Privacy
Price shown may not reflect market price adjustments or dealer added equipment. Tax, title & license fees are not included in posted pricing and are extra. We strive to have the most current pricing posted online, however accounting errors and human errors can occur and could affect the accuracy of the online price. Please Contact Us to confirm our online price and availability. New Vehicles EPA Estimates only.
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