# U264862A
Diesel I6 3.0L/183
70,354 mi.
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3.0 Liter DOHC Turbo I 6 Cyl
Automatic
22/26 mpg
Jet Black With Kalahari Accents Interior
Crew Cab Pickup
4WD
Vehicle info
Dealer |
Bluebonnet Ford Lincoln |
Stock |
U264862A |
VIN |
1GTU9EET0MZ264862 |
Type |
Used |
Year |
2021 |
Make |
GMC |
Model |
Sierra 1500 |
Trim |
AT4 |
Certified |
Yes |
Mileage |
70,354 |
Style |
4WD Crew Cab 147" AT4 |
Model Number |
TK10543 |
Transmission Description |
10-Speed Automatic |
Doors |
4 |
Engine |
Diesel I6 3.0L/183 |
Fuel Type |
Diesel Fuel |
Drivetrain |
4WD |
Wheelbase Code |
147.53 |
Exterior Color |
Onyx Black |
Interior Color |
Jet Black With Kalahari Accents |
EPA City |
22 |
EPA Highway |
26 |
Portions of the data provided are © 2026 Autodata, Inc. dba ChromeData
EQUIPMENT DETAIL
Exterior
- Bumper, front, body-color lower (Front bumper color will be high gloss black.)
- Bumper, rear body-color with corner steps
- CornerStep, rear bumper
- Door handles, body-color
- Fog lamps, LED
- Glass, deep-tinted
- Grille (Body-color surround with high gloss Black mesh and Black chrome inserts. With (PCP) AT4 CarbonPro Edition the grille will have a unique grille surround with Black Chrome finish.)
- Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps
- Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
- LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob
- Mirror caps, high gloss Black (Deleted with (DQS) outside power adjustable vertical trailering mirrors and mirror caps will be chrome.)
- Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory
- Tailgate and bed rail protection caps, top
- Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light
- Tailgate, GMC MultiPro Tailgate with six functional load/access features
- Taillamps, LED signature taillight with LED stop and reverse light
- Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
- Tire, spare 265/70R17SL all-season, blackwall
- Tires, 265/65R18SL all-terrain, blackwall
- Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
- Wheelhouse liners, rear
- Wheels, 18" x 8.5" (45.7 cm x 21.6 cm) machined aluminum with Dark Grey accents
Installed
- ADAPTIVE CRUISE CONTROL
- ALTERNATOR, 220 AMPS
- AT4 CARBONPRO EDITION includes Unique Grille Surround with Black Chrome Finish, AT4 Carbon Hard Badge, Carbon Composite Bed, (PDV) MultiPro Audio System by Kicker and Black dual exhaust tips.
- AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
- AT4 PREFERRED PACKAGE includes (UG1) Universal Home Remote, (A48) rear sliding power window, (IOT) 8" diagonal Premium GMC Infotainment with navigation, (UQA) Bose Premium Audio System and (K4C) Wireless Charging
- AT4 VALUE PACKAGE includes (PDO) AT4 Preferred Package, (R3O) LT275/65R18C MT blackwall Goodyear Wrangler DuraTrac tires, (PQB) Driver Alert Package
- AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH NAVIGATION AND 8" DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings. Includes greater memory Note: (PZ8) Hitch Guidance with hitch view is included with trim.)
- AUTOMATIC EMERGENCY BRAKING
- BED VIEW CAMERA camera in the CHMSL to show a view of the cargo bed, display located in infotainment screen, includes Two Trailer Camera Provisions
- BOSE SOUND SYSTEM, PREMIUM 7-SPEAKER SYSTEM with Richbass woofer
- CARBONPRO (CARBON FIBER COMPOSITE) BED
- DRIVER ALERT PACKAGE I includes (UD5) Front and Rear Park Assist, (UKC) Lane Change Alert with Side Blind Zone Alert and (UFG) Rear Cross Traffic Alert (Includes Perimeter Lighting.
- DRIVER ALERT PACKAGE II includes (UEU) Forward Collision Alert, (UHX) Lane Keep Assist/Lane Departure Warning, (UHY) Automatic Emergency Braking, (UKJ) Front Pedestrian Braking, (TQ5) IntelliBeam, (KSG) Adaptive Cruise Control and (UE4) Following Distance Indicator Includes (HS1) Safety Alert Seat.)
- DRIVER INFORMATION CENTER, ENHANCED, 8" DIAGONAL MULTICOLOR DIGITAL DISPLAY includes analog speedometer and tachometer gauges
- ENGINE BLOCK HEATER
- ENGINE, DURAMAX 3.0L TURBO-DIESEL I6 (277 hp [206.6 kW] @ 3750 rpm, 460 lb-ft of torque [623.7 N-m] @ 1500 rpm) Includes (KW5) 220-amp alternator and (K05) engine block heater.)
- FOLLOWING DISTANCE INDICATOR
- FORWARD COLLISION ALERT
- FRONT AND REAR PARK ASSIST, ULTRASONIC
- FRONT PEDESTRIAN BRAKING
- GVWR, 7100 LBS. (3221 KG)
- HD SURROUND VISION WITH TWO TRAILER VIEW CAMERA PROVISIONS provides the driver with an overhead view of the scene around the vehicle on a center stack display
- INTELLIBEAM, AUTOMATIC HIGH BEAM ON/OFF
- JET BLACK WITH KALAHARI ACCENTS, PERFORATED LEATHER FRONT SEAT TRIM
- LANE CHANGE ALERT with Side Blind Zone Alert
- LANE KEEP ASSIST with Lane Departure Warning
- LICENSE PLATE KIT, FRONT
- MULTICOLOR 15" DIAGONAL HEAD-UP DISPLAY
- MULTIPRO AUDIO SYSTEM BY KICKER (dealer-installed)
- ONYX BLACK
- REAR AXLE, 3.23 RATIO
- REAR CAMERA MIRROR, INSIDE REARVIEW AUTO-DIMMING with full camera display
- REAR CROSS TRAFFIC ALERT
- SAFETY ALERT SEAT
- SEATS, FRONT BUCKET with center console (STD)
- SEATS, HEATED SECOND ROW OUTBOARD SEATS Standard on models built before 7-26-2021. Certain vehicles built on or after 7-26-2021 will include (RFU) Not Equipped with Heated Second Row Outboard Seats, which removes (KA6) Heated Second Row Outboard Seats. See dealer for details.)
- SUNROOF, POWER
- TECHNOLOGY PACKAGE includes (UVS) HD Surround Vision, (DRZ) Rear Camera Mirror, (UVN) Bed View Camera and (UV6) Multicolor 15" Diagonal Head-Up Display Includes (UHS) 8" Digital Driver information Center.)
- TIRE, SPARE 255/80R17SL ALL-SEASON, BLACKWALL
- TIRES, 275/60R20SL ALL-TERRAIN, BLACKWALL (Includes (QAQ) spare tire.)
- TRAILER TIRE PRESSURE MONITOR SENSORS includes set of 4 sensors.
- TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.) (STD)
- UNIVERSAL HOME REMOTE
- WHEELS, 20" X 9" (50.8 CM X 22.9 CM) 6-SPOKE CARBON GREY PAINTED ALUMINUM
- WINDOW, POWER, REAR SLIDING WITH REAR DEFOGGER
- WIRELESS CHARGING
Interior
- 4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Air conditioning, dual-zone automatic climate control
- Air vents, rear
- Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
- Audio system feature, 6-speaker system
- Audio system, Premium GMC Infotainment System with 8" diagonal color touch-screen, includes multi-touch display, AM/FM stereo Bluetooth streaming audio for music and most phones; featuring wireless Android Auto and Apple CarPlay capability for compatible phones, advanced voice recognition, in-vehicle apps, personalized profiles for infotainment and vehicle settings (Note: (PZ8) Hitch Guidance with hitch view is included with trim. Includes SiriusXM with 360L.)
- Bluetooth for phone connectivity to vehicle infotainment system
- Brake lining wear indicator
- Center Console, floor-mounted with cup holders, cell phone storage, power cord management, hanging file folder capability
- Compass, located in instrument cluster
- Cruise control, steering wheel-mounted
- Defogger, rear-window electric
- Door locks, power
- Driver Information Center, 4.2" diagonal color display includes driver personalization
- Driver memory recalls driver "presets" for power driver seat and outside mirrors
- Exterior Temperature Display, located in radio display
- Floor covering, color-keyed carpeting
- GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)
- HD Radio (Standard on vehicles built before 7-12-2021. Certain vehicles built on or after 7-12-2021 will include (RG0) Not Equipped with HD Radio, which removes (U2L) HD Radio. See dealer for details.)
- In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics
- Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure
- Keyless Open and Start
- Mirror, inside rearview auto-dimming
- Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)
- Power outlet, front auxiliary, 12-volt
- Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
- Power outlet, rear auxiliary, 12-volt
- Premium Floor Liners with removable carpet insert, front
- Premium Floor Liners with removable carpet insert, rear
- Remote vehicle starter system
- Seat adjuster, driver 10-way power including lumbar
- Seat adjuster, passenger 10-way power including lumbar
- Seat, Up-level Rear with Storage Package, 60/40 folding bench for Crew Cab models, includes full-length bench seat, seatback storage on left and right side, center fold out armrest with 2 cupholders, full cab width under-seat storage, (includes child seat top tether anchor)
- Seating, heated driver and front outboard passenger
- Seats, front bucket with center console
- Seats, ventilated driver and front passenger
- SiriusXM Radio
- SiriusXM with 360L Equipped with SiriusXM with 360L. Enjoy a trial subscription of the All Access package for the full 360L experience, with a greater variety of SiriusXM content, a more personalized experience and easier navigation. With the All Access package, you can also enjoy your favorites everywhere you go, with the SiriusXM app, online and at home on compatible connected devices. (IMPORTANT: The SiriusXM radio trial package is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. If you decide to continue service after your trial, the subscription plan you choose will automatically renew thereafter and you will be charged according to your chosen payment method at then-current rates. Fees and taxes apply. See the SiriusXM Customer Agreement at www.siriusxm.com for complete terms and how to cancel. All fees, content, features, and availability are subject to change. GM connected vehicle services vary by vehicle model and require active service plan, worki
- Steering column, lock control, electrical
- Steering column, manual Tilt-Wheel and telescoping
- Steering wheel audio controls
- Steering wheel, heated
- Steering wheel, leather-wrapped
- Theft-deterrent system, unauthorized entry
- USB Ports (Inside Console with bucket seats), 2 also includes 1 SD card reader and auxiliary jack
- USB ports, 2 (first row) located on instrument panel
- USB ports, dual, charge-only (2nd row)
- Window, power front, passenger express up/down
- Windows, power front, drivers express up/down
- Windows, power rear, express down
- Wireless Phone Projection, for Apple CarPlay and Android Auto
Mechanical
- Air filter, heavy-duty
- Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
- Auto-locking rear differential
- Automatic Stop/Start (Standard on vehicles built before 6-7-2021. Most vehicles built on or after 6-7-2021 that are equipped with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content. See dealer for details)
- Battery, heavy-duty 730 cold-cranking amps/80 Amp-hr, maintenance-free with rundown protection and retained accessory power (Included and only available with (L84) 5.3L EcoTec3 V8 engine, (L3B) 2.7L Turbo engine and (L87) 6.2L EcoTec3 V8 engine.)
- Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
- Capless Fuel Fill
- Cargo tie downs (12), fixed, rated at 500 lbs per corner
- Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
- Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)
- Engine, 5.3L EcoTec3 V8 (355 hp [265 kW] @ 5600 rpm, 383 lb-ft of torque [518 Nm] @ 4100 rpm); featuring available Dynamic Fuel Management that enables the engine to operate in 17 different patterns between 2 and 8 cylinders, depending on demand, to optimize power delivery and efficiency (Not available on TK10743 model.)
- Exhaust, aluminized stainless-steel muffler and tailpipe
- Exhaust, dual with premium tips (With (PCP) AT4 CarbonPro Edition the exhaust tips will be black.)
- Four wheel drive
- Frame, fully-boxed, hydroformed front section
- GVWR, 7000 lbs. (3175 kg) (Requires Crew Cab model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine.)
- Hill Descent Control
- Pickup bed
- Rear axle, 3.23 ratio
- Recovery hooks, Red
- Skid Plates
- Steering, Electric Power Steering (EPS) assist, rack-and-pinion
- Suspension, Off-Road with 2" factory installed lift and monotube shocks
- Trailer brake controller, integrated
- Transfer case, two-speed, electronic Autotrac with push button control (4WD models only)
- Transmission, 10-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Most vehicles built on or after 6-7-2021 with a V8 engine and (MQB) 10-speed automatic transmission will have (NSS) Not Equipped with Automatic Stop/Start, which removes Automatic Stop/Start and its content.)
Safety
- Airbags, Dual-stage frontal airbags for driver and front outboard passenger; Seat-mounted side-impact airbags for driver and front outboard passenger; Head-curtain airbags for front and rear outboard seating positions; Includes front outboard Passenger Sensing System for frontal outboard passenger airbag (Always use seat belts and child restraints. Children are safer when properly secured in a rear seat in the appropriate child restraint. See the Owner's Manual for more information.)
- Daytime Running Lamps, LED signature lighting
- HD Rear Vision Camera
- Hitch Guidance
- Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt
- OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)
- Rear Seat Reminder
- StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
- Teen Driver a configurable feature that lets you activate customizable vehicle settings associated with a key fob, to help encourage safe driving behavior. It can limit certain available vehicle features, and it prevents certain safety systems from being turned off. An in-vehicle report card gives you information on driving habits and helps you to continue to coach your new driver
- Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)
ABOUT THIS VEHICLE
This 2021 GMC Sierra 1500 AT4 combines rugged capability with refined comfort in a powerful crew cab package. Finished in black with jet black leather accents, this diesel-powered truck delivers EPA-estimated 22 city / 26 highway MPG. Actual mileage may vary. The 3.0L turbocharged diesel engine paired with a 10-speed automatic transmission and 4WD provides the performance and traction you need for any terrain.
- Power sunroof
- Technology package with premium infotainment system
- Multicolor 15" head-up display
- Adaptive cruise control with lane keep assist
- Heated and ventilated front seats
- HD surround vision with trailer view cameras
- 20" 6-spoke carbon gray painted aluminum wheels
- CarbonPro composite bed with spray-on liner
- ProGrade trailering system with integrated brake controller
- Heated steering wheel with wireless charging
This Sierra has been certified as Ford Blue Advantage: Blue Certified, giving you confidence in its quality and condition. The AT4 Carbonpro edition combines distinct styling with functional upgrades, including hill descent control, off-road suspension, and heated door mirrors to enhance your driving experience.
With modern technology features like Apple CarPlay, Android Auto, and 4G LTE Wi-Fi hotspot capability, this truck keeps you connected on every journey. Come experience this capable machine firsthand and discover why the Sierra AT4 stands as a premium choice in the truck category.
Call to schedule your VIP test drive today!