2021 GMC Sierra 1500 SLT Crew Cab 4WD

2021 GMC Sierra 1500 X31 SLT 3.0 L Duramax Diesel 44 a refined, efficient diesel truck for sale in Texas, combining modern diesel performance with premium comfort and off-road capability. Powered by the 3.0-litre Duramax inline-six turbo-diesel engine, this Sierra 1500 brings both intelligence and strength to the segment. :contentReference[oaicite:1]{index=1} The X31 off-road package adds enhanced versatility upgraded suspension, skid plates, and protection hardware while the SLT trim provides luxury touches, premium technology, and a refined cabin experience. If youre hunting for a used diesel truck for sale in Texas that balances capability, efficiency and style, this model delivers. Offered by a diesel-truck dealership in Mansfield, Texas with nationwide delivery available. Key Features & Options: 3.0 L Duramax Turbo-Diesel I6 delivering up to 460 lb-ft of torque and strong fuel efficiency. :contentReference[oaicite:2]{index=2} Four-Wheel Drive 44 drivetrain with X31 Off-Road Package designed for rugged use, trail-ready terrain, and advanced off-road protection. :contentReference[oaicite:3]{index=3} SLT premium trim leather-appointed seating, heated front seats, power driver adjustments, upscale cabin feel Advanced infotainment system: large touchscreen, smartphone integration (Apple CarPlay & Android Auto), navigation-ready Spray-in bedliner, assist deploy steps, premium wheels and all-terrain tires (where equipped) Modern driver-assist and safety features: blind-spot monitoring, rear-parking sensors, lane-departure warning (if equipped) Offered by a diesel truck dealership in Mansfield, Texas with nationwide delivery on quality used diesel trucks If your next truck needs to combine high-efficiency diesel performance, premium comfort and off-road capability under one roof, this 2021 GMC Sierra 1500 X31 SLT 3.0 L Duramax Diesel 44 is a compelling choice among used trucks for sale in Texas. At North Texas Truck Stop, we provide accurate representation, thorough listing details and nationwide delivery with confidence. Contact North Texas Truck Stop in Mansfield, Texas today for full details, trade-in options and our nationwide delivery program on top-tier diesel trucks.

Additional Information

Wireless Phone Projection, for Apple CarPlay and Android Auto|4G LTE Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)|Steering wheel audio controls|Bluetooth for phone connectivity to vehicle infotainment system|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.)|Audio system feature, 6-speaker system|Taillamps, LED signature taillight with LED stop and reverse light|Wheelhouse liners, rear|CornerStep, rear bumper|Glass, deep-tinted|Mirror caps, chrome|Tire, spare 265/70R17SL all-season, blackwall|Moldings, window surround, Chrome|LED Cargo Area Lighting located in cargo bed activated with switch on center switch bank or key fob|Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel|Headlamps, LED reflector (high intensity) with LED turn signals and LED signature Daytime Running Lamps|Tires, 265/65R18SL all-season, blackwall|Bumper, front chrome lower|Grille (Chrome surround with high gloss Black mesh and Chrome inserts.)|Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door|Door handles, chrome|Mirrors, outside heated power-adjustable, power-folding and driver-side auto-dimming puddle lamps, side perimeter lighting and memory|Wheels, 18 x 8.5 (45.7 cm x 21.6 cm) 6-spoke machined aluminum with Dark Grey Metallic accents|Wheel, 17 x 8 (43.2 cm x 20.3 cm) full-size, steel spare|Tailgate and bed rail protection caps, top|Fog lamps, LED|Tailgate, GMC MultiPro Tailgate with six functional load/access features|Bumper, rear chrome with bumper CornerSteps|Tailgate, gate function manual with EZ Lift includes power lock and release, includes hitch area light|Steering wheel, leather-wrapped|Brake lining wear indicator|Compass, located in instrument cluster|USB Ports (Instrument Panel with bench seat), 2 also includes 1 SD card reader (first row) With bucket seats, USB Ports are located inside console and includes auxiliary jack|Steering wheel, heated|Floor covering, color-keyed carpeting|Mirror, inside rearview auto-dimming|Power outlet, instrument panel, 120-volt (400 watts shared with (KC9) bed mounted power outlet)|Power outlet, front auxiliary, 12-volt|Cruise control, steering wheel-mounted|Driver Information Center, 4.2 diagonal color display includes driver personalization|Air conditioning, dual-zone automatic climate control|Defogger, rear-window electric|Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) instrument panel mounted power outlet)|Driver memory recalls driver presets for power driver seat and outside mirrors|Windows, power rear, express down|Seat adjuster, driver 10-way power including lumbar|In-vehicle Trailering App, System includes checklist, trailer maintenance reminders, trailer security alerts, trailer mileage, tow/haul reminder and trailer electrical diagnostics|Windows, power front, drivers express up/down|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)|Floor mats, carpeted front (Deleted when (RIA) All-weather floor liner, LPO is ordered or (BKF) Premium Floor Liners are ordered.)|Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted|Window, power front, passenger express up/down|Seats, front 40/20/40 split-bench with covered armrest storage and under-seat storage (lockable) (Not available with (PCY) SLT Convenience Package, (PDB) SLT Premium Package, (PDT) SLT Premium Plus Package or (PDW) Texas Edition SLT Premium Plus Package.)|Air vents, rear|Seat adjuster, passenger 10-way power including lumbar|Door locks, power|USB ports, dual, charge-only (2nd row)|Instrument cluster, 6-gauge cluster featuring speedometer, fuel level, engine temperature, tachometer, voltage and oil pressure|Seating, heated driver and front outboard passenger|Power outlet, rear auxiliary, 12-volt|Floor mats, carpeted rear (Deleted when (RIA) All-weather floor liner, LPO is ordered or (BKF) Premium Floor Liners are ordered.)|Steering column, lock control, electrical|Remote vehicle starter system|Keyless Open and Start|Theft-deterrent system, unauthorized entry|Exterior Temperature Display, located in radio display|GMC Connected Access capable (Subject to terms. See onstar.com or dealer for details.)|Steering column, manual Tilt-Wheel and telescoping|Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors|Exhaust, single outlet|Trailer brake controller, integrated|Cooling, external engine oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)|Four wheel drive|GVWR, 7100 lbs. (3221 kg) (Requires Crew Cab 4WD model with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine without (NHT) Max Trailering Package. Requires Crew Cab 2WD model with (L84) 5.3L EcoTec3 V8 engine and (NHT) Max Trailering Package.)|Capless Fuel Fill|Steering, Electric Power Steering (EPS) assist, rack-and-pinion|Frame, fully-boxed, hydroformed front section|Cargo tie downs (12), fixed, rated at 500 lbs per corner|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 (NOTE: Certain 21MY vehicles will include (YK9) Not Equipped with Dynamic Fuel Management.)|Recovery hooks, front, frame-mounted, Black (Included with 4WD models. Included and only available on 2WD models with (PQB) Driver Alert Package I.)|Exhaust, aluminized stainless-steel muffler and tailpipe|Rear axle, 3.23 ratio (Not available with (NHT) Max Trailering Package.)|Pickup bed|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.)|Auto-locking rear differential|Alternator, 170 amps (Included and only available with (L84) 5.3L EcoTec3 V8 engine or (L87) 6.2L EcoTec3 V8 engine. Not available with (NHT) Max Trailering Package, (LM2) Duramax 3.0L Turbo-Diesel I6 engine or (VYU) Snow Plow Prep Package.)|Transfer case, single speed, electronic Autotrac with push button control (4WD models only)|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)|Cooling, auxiliary external transmission oil cooler (Not available with (LM2) Duramax 3.0L Turbo-Diesel I6 engine.)|Transmission, 8-speed automatic, electronically controlled with overdrive and tow/haul mode. Includes Cruise Grade Braking and Powertrain Grade Braking (Standard on models equipped with (L84) 5.3L EcoTec3 V8 engine.)|Trailering Package includes trailer hitch, 7-pin and 4-pin connectors and (CTT) Hitch Guidance|ProGrade Trailering System includes (PZ8) Hitch Guidance with Hitch View and (U1D) In-vehicle Trailering App|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|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.)|Hitch Guidance with Hitch View with image adjustment, Pan/Zoom/Tilt|Rear Seat Reminder|Tire Pressure Monitoring System with Tire Fill Alert (does not apply to spare tire)|Daytime Running Lamps, LED signature lighting|HD Rear Vision Camera|Hitch Guidance|StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist|OnStar and GMC connected services capable (Terms and limitations apply. See onstar.com or dealer for details.)SLT PREMIUM PACKAGE|X31 OFF-ROAD AND PROTECTION PACKAGE|ENGINE, DURAMAX 3.0L TURBO-DIESEL I6|QUICKSILVER METALLIC|SLT PREFERRED EQUIPMENT GROUP|AUDIO SYSTEM, PREMIUM GMC INFOTAINMENT SYSTEM WITH 8 DIAGONAL COLOR TOUCH-SCREEN, INCLUDES MULTI-TOUCH DISPLAY, AM/FM STEREO|JET BLACK, PERFORATED LEATHER-APPOINTED FRONT OUTBOARD SEAT TRIM|SEATS, FRONT BUCKET|TRANSMISSION, 10-SPEED AUTOMATIC, ELECTRONICALLY CONTROLLED|WHEELS, 20