This 2021 GMC Sierra 1500 AT4 Diesel is built to handle whatever you demand from it, combining capable engineering with refined comfort for drivers who expect more from their truck.
- 3.0L I6 Diesel Engine with 10-Speed Automatic and 4WD
- Spray-On Pickup Bed Liner with AT4 Logo
- Off-Road Suspension with Hill Descent Control
- ProGrade Trailering System with Integrated Trailer Brake Controller
- Heated and Ventilated Perforated Leather Front Seats
- Premium GMC Infotainment System with Apple CarPlay and Android Auto
- SiriusXM 360L Satellite Radio
- HD Rear Vision Camera with Hitch Guidance and Hitch View
- Heated Steering Wheel
- 18" Machined Aluminum Wheels
- Auto-Dimming Rear-View Mirror
- 4G LTE Wi-Fi Hotspot Capable
- Remote Vehicle Starter System with Keyless Open & Start
- Electronic Stability Control with Traction Control
- 10-Way Power Driver and Passenger Seat Adjusters with Lumbar Support
The Sierra 1500 AT4 diesel engine delivers strong capabilities with solid fuel efficiency, achieving 22 city and 26 highway MPG. This means you get the power you need without constant stops at the pump. The 3.23 rear axle ratio is engineered for balanced towing and everyday performance, while the off-road suspension and hill descent control give you confidence on challenging terrain.
Inside, you'll find a thoughtfully designed cabin that respects your comfort. The heated and ventilated perforated leather seats adjust ten ways with lumbar support, keeping you supported whether you're commuting or spending long hours in the truck. Dual-zone automatic climate control ensures both driver and passengers stay comfortable, and the heated steering wheel is a practical touch during cold months.
Technology integrates seamlessly into your daily routine. The premium GMC infotainment system pairs with Apple CarPlay and Android Auto, making navigation, music, and communication straightforward. SiriusXM 360L keeps you connected to your favorite channels, while the 4G LTE Wi-Fi hotspot lets you stay online. The integrated trailer brake controller and hitch guidance system with hitch view take the guesswork out of towing, and the in-vehicle trailering app gives you added convenience.
Safety and security are built into every detail. Dual front and side impact airbags, four-wheel disc brakes with ABS, and electronic stability control provide a solid foundation. The HD rear vision camera, keyless open and start, and security system give you confidence in everyday driving and parking situations.
This 2021 Sierra 1500 AT4 represents a truck that doesn't compromise between capability and comfort. With its diesel efficiency, premium interior appointments, advanced trailering technology, and refined amenities, it stands ready for work or weekend adventures. We invite you to see it in person and experience the quality engineering that defines this truck.
Used 2021 GMCSierra 1500 AT4
- Diesel
- Exterior Color
- Black
- Interior Color
- Jet Black
- Odometer
- 88,098 miles
- Body/Seating
- Truck Crew Cab/5 seats
- Fuel Economy
- 16/21 MPG City/Hwy
- Transmission
- 10-Speed Automatic
- Drivetrain
- 4x4
- Engine
- I-6 cyl
- Stock Number
- B11091
Highlighted Features
- Leather upholstery
- Automatic temperature control
- Wireless phone connectivity
- Front dual zone A/C
- Auto-dimming rearview mirror
- Split folding rear seat
- Memory seat
- Heated front seats
- Ventilated front seats
- Perimeter/approach lights
- Remote keyless entry
- Heated steering wheel
Included Packages & Accessories
- 6 Speakers
- AM/FM radio: SiriusXM with 360L
- Premium audio system: GMC Infotainment System
- Radio data system
- Steering Wheel Audio Controls
- Air Conditioning
- Automatic temperature control
- Electric Rear-Window Defogger
- Front dual zone A/C
- Rear window defroster
- 12-Volt Rear Auxiliary Power Outlet
- 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
- Remote keyless entry
- Remote Vehicle Starter System
- Steering wheel mounted audio controls
- Auto-Locking Rear Differential
- Electrical Lock Control Steering Column
- Manual Tilt-Wheel & Telescoping Steering Column
- Off-Road Suspension
- 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
- Keyless Open & Start
- Low tire pressure warning
- Occupant sensing airbag
- Overhead airbag
- Power Door Locks
- Brake assist
- Electronic Stability Control
- Hill Descent Control
- Delay-off headlights
- Front fog lights
- Fully automatic headlights
- Panic alarm
- Security system
- Theft Deterrent System (Unauthorized Entry)
- Speed control
- 170 Amp Alternator
- 220 Amp Alternator
- Auxiliary External Transmission Oil Cooler
- Engine Block Heater
- Heavy-Duty Air Filter
- Auto-dimming door mirrors
- Body-Color Surround Grille
- Bumpers: body-color
- Heated door mirrors
- LED Cargo Area Lighting
- Power door mirrors
- Rear step bumper
- Rear Wheelhouse Liners
- Spray-On Pickup Bed Liner w/AT4 Logo
- 2 USB Ports
- 2 USB Ports (1st Row)
- 4.2" Diagonal Color Display Driver Info Center
- 4G LTE Wi-Fi Hotspot Capable
- Apple CarPlay/Android Auto
- Auto-dimming Rear-View mirror
- Color-Keyed Carpeting Floor Covering
- Compass
- Driver door bin
- Driver vanity mirror
- Floor-Mounted Center Console
- Front reading lights
- GMC Connected Access Capable
- HD Rear Vision Camera
- Heated steering wheel
- Illuminated entry
- OnStar & GMC Connected Services Capable
- Outside temperature display
- Overhead console
- Passenger vanity mirror
- Rear Dual USB Charging-Only Ports
- Rear reading lights
- Rear seat center armrest
- Tachometer
- Telescoping steering wheel
- Tilt steering wheel
- Trip computer
- Voltmeter
- Front Center Armrest
- Heated Driver & Front Outboard Passenger Seating
- Heated front seats
- Perforated Leather-Appointed Front Seat Trim
- Power passenger seat
- Split folding rear seat
- Ventilated Driver & Front Passenger Seats
- Ventilated front seats
- Passenger door bin
- Integrated Trailer Brake Controller
- Red Recovery Hooks
- 18" x 8.5" Machined Aluminum Wheels
- Alloy wheels
- Deep-Tinted Glass
- Variably intermittent wipers
- 3.23 Rear Axle Ratio
- Trailering Package
- 6-Speaker Audio System Feature
- Radio: Premium GMC Infotainment Sys w/Multi-Touch
- SiriusXM w/360L
- 120-Volt Bed Mounted Power Outlet
- 120-Volt Instrument Panel Power Outlet
- Driver Memory
- ProGrade Trailering System
- Front Prem Floor Liners w/Removable Carpet Insert
- Rear Prem Floor Liners w/Removable Carpet Insert
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Front Bucket Seats
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
Detailed Specifications
- 1-touch down
- 1-touch up
- Air conditioning
- Auto-dimming rearview mirror
- Automatic temperature control
- Driver door bin
- Driver vanity mirror
- Front beverage holders
- Front dual zone A/C
- Heated steering wheel
- Illuminated entry
- Memory seat
- 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
- Tires: all-terrain
- 1st row LCD monitors: 2
- Primary LCD size: 8.0"
- Radio data system
- Smart device integration: Apple CarPlay/Android Auto
- Steering wheel mounted audio controls
- Wireless phone connectivity: Bluetooth
- Front center armrest
- Front seats: bucket
- Heated front 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
- Cylinder deactivation
- Drive type: four-wheel
- Engine location: front
- Fuel economy city: 16mpg
- Fuel economy combined: 18mpg
- Fuel economy highway: 21mpg
- Fuel tank capacity: 24.0gal.
- Hybrid traction battery type: none
- Manual-shift auto
- Mode select transmission
- Rear locking differential
- Standard fuel economy fuel type: gasoline
- Transmission: 10 speed automatic
- Variable valve control
- Ground clearance (min): 276mm (10.9")
- Auto-dimming door mirrors
- Bedliner
- Bumpers: body-color
- Heated door mirrors
- Left rear passenger door: conventional
- Power door mirrors
- Rear cargo: tailgate
- Rear step bumper
- Right rear passenger: conventional
- Skid plates
- Trailer hitch receiver
- Trailer sway control
- Exterior body width: 2,063mm (81.2")
- Exterior height: 1,990mm (78.3")
- 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 fog lights
- Front reading lights
- Fully automatic headlights
- Low tire pressure warning
- Oil pressure gauge
- Outside temperature display
- 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
- Ignition disable
- Occupant sensing airbag
- Overhead airbag
- Panic alarm
- Perimeter/approach lights
- Security system
- Traction control
Standard Features
- 10-Way Power Driver Seat Adjuster w/Lumbar
- 10-Way Power Passenger Seat Adjuster w/Lumbar
- Driver Memory
- Rear Prem Floor Liners w/Removable Carpet Insert
- 120-Volt Bed Mounted Power Outlet
- 6-Speaker Audio System Feature
- SiriusXM w/360L
- Hitch Guidance
- Hitch Guidance w/Hitch View
- In-Vehicle Trailering App
Dealer Notes
KBB.com Consumer Reviews
All vehicles are one of each. All pre-owned vehicles are used. A dealer documentary service fee of up to $200 may be added to the sale price or capitalized cost. Prices exclude tax, title, and license. All transactions are negotiable including price, trade allowance, interest rate (of which the dealer may retain a portion), term, and documentary service fee. Any agreement is subject to execution of contract documents. It is the customers responsibility to verify the existence and condition of any equipment listed. While great effort is made to ensure the accuracy of the information on this site, errors do occur so please verify information with one our customer service representatives by calling us at (888) 687-0693 or visiting us at our dealership.
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