2023 GMC Sierra 1500 AT4
Recent Arrival! Pre-delivery services completed: Changed oil/filter, replaced engine/cabin air filters, replaced wiper blades & washed/detailed vehicle.
Overview & Highlights
Engine & Performance
Engine: 6.2L EcoTec3 V8 delivering 420 horsepower and 460 lb-ft of torqueâ
Transmission: 10-speed automatic with Electronic Precision Shiftâ
Drivetrain: Four-wheel drive is required with this engine and standard on AT4â
Fuel Economy & Range
EPA Estimates (4WD only):
City / Highway: 15 / 19 mpgâ
Combined estimate: around 17 mpgâ
Fuel Tank Capacity: Approximately 24 gallonsâ
Real-world reports:
One owner reported ~20 mpg on the highway when cruising (~70 mph) with an unloaded truckâ
For towing setups, mileage dropped significantly: 6â"8 mpg when towing about 8,000 lbâ
Towing & Payload Capacity
Max Towing Capacity: Up to 13,000 lbs (varies by configuration)â
Payload Capacity: Up to 1,820 lbs depending on exact setupâ
Another source cites towing capacity near 8,900 lbs, possibly reflecting specific model configurationsâ
Off-Road Capability & Features
Comes with a 2-inch factory lift, off-road suspension, and Rancho monotube shocksâ
Equipped with AutoTrac 2-speed transfer case, automatic locking rear differential, and underbody skid platesâ
Interior includes 13.4â³ touchscreen, 12.3â³ driver display, and optional multicolor 15â³ head-up displayâ
A case comparison from Edmunds highlights the AT4 as balancing luxury and rugged off-road capability among its peersâ
Dimensions & Specifications
Cab & Bed: Crew Cab configuration, short bed (approx. 6.5-ft)â
Length: Around 232.9 inchesâ
Height: Approximately 78.4 inchesâ
Ground Clearance: Roughly 8 inches at minimumâ
Cargo Bed Length: About 69.9 inchesâ
Payload & Curb Weight: Payload around 1,380 lbs; curb weight near 5,690 lbs
Final Thoughts
The 2023 GMC Sierra 1500 AT4 with the 6.2L V8 is a compelling choice if you're prioritizing power, towing capability, and off-road readinessâ"all wrapped in a more upscale GMC presentation. Expect decent highway fuel efficiency around 20 mpg when lightly loaded, but prepare for steep drops when towing heavy loads.
⢠8 Million Meals fed through Harvest Hope right here in the Midlands ⢠Donated land for Toby's Place, a women & children's shelter ⢠Proudly support the brave men & women of our US Military and all First Responders ⢠Currently dedicated to supporting over 110 local charities in our beloved community ⢠Ranked #1 in Customer Satisfaction for the Nation in 2020.
Pre-Owned 2023 GMCSierra 1500 AT4 4x4
- Exterior Color
- Onyx Black
- Interior Color
- Jet Black
- Odometer
- 75,377 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Fuel Economy
- 21/23 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- V-8 cyl
- VIN
- 1GTUUEEL0PZ278909
- Stock Number
- C35671D
Highlighted Features
- Navigation system
- Lane departure
- Leather upholstery
- Automatic temperature control
- Emergency communication system
- Premium audio system
- Wireless phone connectivity
- Parking sensors
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera right
- Exterior parking camera rear
Included Packages & Accessories
- Navigation System
- AT4 Preferred Package
- AT4 Premium Package
- Preferred Equipment Group 4SB
- Technology Package
- Trailering Package
- 2 USB Ports
- 7 Speakers
- AM/FM radio
- Premium audio system: GMC Infotainment System
- Premium Bose 7-Speaker Sound System
- Radio data system
- Radio: Premium GMC Infotainment Audio System
- SiriusXM w/360L
- Steering Wheel Audio Controls
- Air Conditioning
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- Memory seat
- Power driver seat
- Power Front Passenger Windows w/Express Up/Down
- Power Front Windows w/Driver Express Up/Down
- Power Rear Windows w/Express Down
- Power steering
- Power windows
- Push Button Start
- Remote keyless entry
- Remote Vehicle Starter System
- Steering wheel mounted audio controls
- Universal Home Remote
- Auto-Locking Rear Differential
- Off-Road Suspension
- Power Rake & Telescoping Steering Column
- Speed-sensing steering
- Traction control
- 4-Wheel Disc Brakes
- ABS brakes
- Dual front impact airbags
- Dual front side impact airbags
- Electrical Steering Column Lock
- Emergency communication system: OnStar and GMC connected services capable
- Front anti-roll bar
- Front wheel independent suspension
- Keyless Open & Start
- Low tire pressure warning
- Not Equipped w/Steering Column Lock
- Occupant sensing airbag
- Overhead airbag
- Power Door Locks
- Power Sunroof
- Brake assist
- Electronic Stability Control
- Hill Descent Control
- Auto High-beam Headlights
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Perimeter Lighting
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Adaptive Cruise Control
- Speed control
- 170 Amp Alternator
- 220 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Block heater
- Engine Block Heater
- External Engine Oil Cooling
- Heavy-Duty Air Filter
- Auto-dimming door mirrors
- Black Chrome Header & Grille Insert Bars
- Bumpers: body-color
- Heated door mirrors
- IntelliBeam Automatic High Beam On/Off
- LED Cargo Area Lighting
- Off-Road High Clearance Step (LPO)
- Power door mirrors
- Rear step bumper
- Rear Wheelhouse Liners
- Spray-On Pickup Bed Liner w/AT4 Logo
- 2 Charge/Data USB Ports Inside Center Console
- 2 Type-C Charge-Only Rear USB Ports
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Automatic Emergency Braking
- Bed View Camera
- Buckle to Drive
- Color-Keyed Carpeting Floor Covering
- Compass
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Following Distance Indicator
- Forward Collision Alert
- Front Pedestrian Braking
- Front Prem Floor Liners w/Removable Carpet Insert
- Front reading lights
- GMC Connected Access Capable
- HD Surround Vision
- Heated steering wheel
- Illuminated entry
- Lane Keep Assist w/Lane Departure Warning
- Multicolor 15" Diagonal Head-Up Display
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Camera Mirror
- Rear Cross Traffic Braking
- Rear Pedestrian Detection
- Rear Prem Floor Liners w/Removable Carpet Insert
- Rear reading lights
- Rear seat center armrest
- Safety Alert Seat
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trailer Camera Provisions
- Trailer Side Blind Zone Alert
- Trip computer
- Ultrasonic Front & Rear Park Assist
- Voltmeter
- Wi-Fi Hotspot Capable
- Wireless Charging
- Wireless Phone Projection
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Front Center Armrest
- Heated 2nd Row Outboard Seats
- Heated Driver & Front Outboard Passenger Seating
- Heated front seats
- Heated rear seats
- Perforated Front Leather Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated Driver & Front Passenger Seats
- Ventilated front seats
- Passenger door bin
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
- Integrated Trailer Brake Controller
- Red Recovery Hooks
- 18" x 8.5" Machined Aluminum Wheels
- Alloy wheels
- Wheels: 20" x 9" Machined Aluminum
- Deep-Tinted Glass
- Front Rainsensing Wipers
- Power Sliding Rear Window w/Rear Defogger
- Rain sensing wipers
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Emergency communication system: OnStar and GMC connected services capable
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- Navigation system
- Overhead console
- Passenger door bin
- Passenger vanity mirror
- Power windows
- Proximity key: doors and push button start
- Rear beverage holders
- Rear door bins
- Remote engine start: keyfob
- Remote keyless entry
- Speed control
- Telescoping steering wheel
- 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
- Premium audio system: GMC Infotainment System
- Primary LCD size: 13.4"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Speaker type: Bose
- Speakers: 7
- Steering wheel mounted audio controls
- Turn-by-turn navigation directions: OnStar Turn-by-Turn Navigation
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front seats
- Heated rear seats
- Leather upholstery
- Max seating capacity: 5
- Power 2-way driver lumbar support
- Power 2-way passenger lumbar support
- Power driver seat
- Power passenger seat
- Rear seat center armrest
- Rear seats: split-bench
- Rear seats Folding position: fold-up cushion
- Seat Upholstery: leather
- Split folding rear seat
- Ventilated front seats
- Block heater
- Drive type: four-wheel
- Engine location: front
- Fuel economy city: 21mpg
- Fuel economy combined: 22mpg
- Fuel economy highway: 23mpg
- Fuel tank capacity: 24.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: diesel
- Transmission: 10 speed automatic
- Variable intake manifold
- Variable valve control
- Approach angle: 26 deg
- Departure angle: 26 deg
- Ground clearance (min): 282mm (11.1")
- Ramp breakover angle: 20 deg
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Heated door mirrors
- Hitch Class: IV
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Tailpipe finisher: chrome
- Trailer hitch
- Trailer sway control
- Exterior body width: 2,062mm (81.2")
- Exterior height: 1,990mm (78.3")
- Exterior length: 5,916mm (232.9")
- Front headroom: 1,092mm (43.0")
- Front hiproom: 1,544mm (60.8")
- Front legroom: 1,131mm (44.5")
- Front shoulder room: 1,638mm (64.5")
- Rear headroom: 1,019mm (40.1")
- Rear hiproom: 1,505mm (59.2")
- Rear legroom: 1,102mm (43.4")
- Rear shoulder room: 1,626mm (64.0")
- Wheelbase: 3,747mm (147.5")
- Appearance: analog
- Auto high-beam headlights
- Blind spot: Trailer Side Blind Zone Alert warning
- Compass
- Configurable
- Delay-off headlights
- Exterior parking camera front
- Exterior parking camera left
- Exterior parking camera rear: HD Rear Vision Camera w/Hitch View yes
- Exterior parking camera right
- Front fog lights
- 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
- Parking sensors: Front and Rear Park Assist front and rear
- Rain sensing wipers
- Rear reading lights
- Rear window defroster
- 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
- Rear collision: Rear Cross Traffic Braking mitigation
- Security system
- Traction control
Dealer Notes
Used Vehicle Prices do not include sales tax/IMF Fee, tag & title fees and $549 closing fee. Depending on the age of the vehicle, normal wear and tear should be anticipated. We may or may not have all the keys and floor mats but if desired we will provide at dealer cost. Unless the vehicle has a remaining factory warranty, all sales are AS-IS with no warranty. Customers must mention website advertisement and the date and time viewed to receive this advertised price. The final cash price charged at any dealership depends on many factors, including all products and services bought with the vehicle. Cars may have minor road chips, light scratches, wheel scuffs, etc. Dealer is not responsible for any misprints, price discrepancies, statements of condition, or incorrect equipment listed on any vehicle. It is the customer's sole responsibility to verify the accuracy of the prices with the dealer, including the pricing for all added accessories, before the sale. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with a customer service representative. This is easily done by calling us at (803) 469-9500 or by visiting us at the dealership. **With approved credit.
