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Vehicle Information

VIN: 1GTUUEEL1SZ308556
Stock #: 4387
Model Code: TK10543
  • Body Style Crew Cab Pickup
  • Exterior Color Sterling Metallic
  • Interior Color Jet Black With Kalahari Accents
  • Mileage 22,088
  • Fuel Economy
    City/Highway 14/17 MPG
  • Engine 8 Cyl - 6.2 L
  • Transmission Automatic
  • Fuel Type Gasoline Fuel

Highlighted Features

Feature availability subject to final vehicle configuration. Please reference window sticker for more info.

Dealer Comments

CLEAN CARFAX ! 1-OWNER ! Check Out This 2025 GMC Sierra 1500 AT4 4x4 Crew Cab ! Low Mileage ! Full Factory Warranty ! 4x4 ! 6.2L ECOTEC3 V8 ! 10-SPEED AUTO ! For over 15 years, Showcase Trucks & Vans has helped families and individuals across California find reliable trucks, vans, and SUVs they can trust. As an A+ accredited business with the Better Business Bureau, we’re committed to honest pricing, transparent service, and a stress-free buying experience. Whether you need a dependable SUV for your family or a versatile vehicle for everyday life, we’re here to help you drive away with confidence.

Eligible Benefits

All Features

  • CornerStep, rear bumper
  • Door handles, body-color
  • Glass, deep-tinted
  • Lamps, cargo area, cab mounted integrated with center high mount stop lamp, with switch in bank on left side of steering wheel
  • Tailgate and bed rail protection caps, top
  • Tire carrier lock keyed cylinder lock that utilizes same key as ignition and door
  • Wheel, 17" x 8" (43.2 cm x 20.3 cm) full-size, steel spare
  • Adaptive Cruise Control
  • Air conditioning, dual-zone automatic climate control
  • Assist handles front A-pillar mounted for driver and passenger, rear B-pillar mounted
  • Bluetooth® for phone, connectivity to vehicle infotainment system
  • Compass, located in instrument cluster
  • Defogger, rear-window electric
  • Door locks, power
  • Driver Information Center, enhanced, 12.3" diagonal reconfigurable multicolor digital display
  • Floor covering, color-keyed carpeting
  • Mirror, inside rearview auto-dimming
  • Power outlet, bed mounted, 120-volt (400 watts shared with (KI4) interior power outlet)
  • Power outlet, interior power outlet, 120-volt (400 watts shared with (KC9) bed mounted power outlet)
  • Remote vehicle starter system
  • Seat adjuster, driver 10-way power including lumbar
  • SiriusXM Trial Subscription
  • SiriusXM with 360L Trial Subscription SiriusXM with 360L transforms your customers' ride with our most extensive and personalized radio experience on the road. (IMPORTANT: The SiriusXM trial subscription is not provided on vehicles that are ordered for Fleet Daily Rental ("FDR") use. Trial subscription is subject to the SiriusXM Customer Agreement and privacy policy, visit www.siriusxm.com which includes full terms and how to cancel. All fees, content, features, and availability are subject to change. Some features require GM connected vehicle services.)
  • Steering column lock, electrical
  • Steering wheel audio controls
  • Steering wheel, heated
  • Steering wheel, wrapped
  • Theft-deterrent system, unauthorized entry
  • USB Ports, 2 (first row) located on console
  • Wi-Fi Hotspot capable (Terms and limitations apply. See onstar.com or dealer for details.)
  • Windows, power rear, express down
  • Air filter, heavy-duty
  • Auto-locking rear differential
  • Automatic Stop/Start
  • Brake lining wear indicator
  • Brakes, 4-wheel antilock, 4-wheel disc with DURALIFE rotors
  • Capless Fuel Fill
  • Exhaust, aluminized stainless-steel muffler and tailpipe
  • Four wheel drive
  • Frame, fully-boxed, hydroformed front section
  • Push Button Start
  • Rear axle, 3.23 ratio
  • Steering, Electric Power Steering (EPS) assist, rack-and-pinion
  • Trailer brake controller, integrated
  • 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.)
  • OnStar Equipped (subscription required)
  • OnStar services capable (See onstar.com for details and limitations. Services vary by model. Service plan required.)
  • Rear Cross Traffic Braking
  • Rear Pedestrian Alert
  • Rear Seat Belt Indicator
  • Rear Seat Reminder
  • StabiliTrak, stability control system with Proactive Roll Avoidance and traction control, includes electronic trailer sway control and hill start assist
  • Tire Pressure Monitoring System, auto learn includes Tire Fill Alert (does not apply to spare tire)

AUDIO SYSTEM, 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE, INCLUDES COLOR TOUCH-SCREEN, 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 (STD)

TRANSMISSION, 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT, ELECTRONICALLY CONTROLLED

  • with overdrive
  • and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking

SEATS, FRONT BUCKET

  • with center console (STD)

AT4 PREFERRED EQUIPMENT GROUP

  • includes standard equipment

WHEELS, 18" X 8.5" (45.7 CM X 21.6 CM) MACHINED ALUMINUM

  • with dark painted pockets

ENGINE, 6.2L ECOTEC3 V8

  • (420 hp [313 kW] @ 5600 rpm
  • 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management

  • REAR AXLE 3.23 RATIO
  • TIRE SPARE 265/70R17SL ALL-SEASON BLACKWALL
  • GVWR 7100 LBS. (3221 KG)
  • JET BLACK WITH KALAHARI ACCENTS PERFORATED LEATHER FRONT SEAT TRIM
  • AUDIO SYSTEM 13.4" DIAGONAL PREMIUM GMC INFOTAINMENT SYSTEM WITH GOOGLE BUILT IN APPS SUCH AS NAVIGATION AND VOICE ASSISTANCE INCLUDES COLOR TOUCH-SCREEN 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 (STD)
  • TRANSMISSION 10-SPEED AUTOMATIC WITH ELECTRONIC PRECISION SHIFT ELECTRONICALLY CONTROLLED with overdrive and tow/haul mode and steering column paddle shifters. Includes Cruise Grade Braking and Powertrain Grade Braking
  • SEATS FRONT BUCKET with center console (STD)
  • COOLING EXTERNAL ENGINE OIL COOLER
  • AT4 PREFERRED EQUIPMENT GROUP includes standard equipment
  • WHEELS 18" X 8.5" (45.7 CM X 21.6 CM) MACHINED ALUMINUM with dark painted pockets
  • STERLING METALLIC
  • ENGINE 6.2L ECOTEC3 V8 (420 hp [313 kW] @ 5600 rpm 460 lb-ft of torque [624 Nm] @ 4100 rpm); featuring Dynamic Fuel Management
  • TIRES LT275/65R18C BLACKWALL GOODYEAR WRANGLER TERRITORY MT
  • ACTIVE EXHAUST DUAL SPORT-MODE ENABLED
  • COOLING AUXILIARY EXTERNAL TRANSMISSION OIL COOLER
  • ALTERNATOR 170 AMPS
  • Tow Hitch
  • Lane Departure Warning
  • Lane Keeping Assist
  • Front Collision Mitigation
  • Front Collision Warning
  • Automatic Highbeams
  • Keyless Start
  • Locking/Limited Slip Differential
  • Four Wheel Drive
  • Tow Hooks
  • Power Steering
  • ABS
  • 4-Wheel Disc Brakes
  • Aluminum Wheels
  • Tires - Front All-Terrain
  • Tires - Rear All-Terrain
  • Conventional Spare Tire
  • Daytime Running Lights
  • LED Headlights
  • Automatic Highbeams
  • Fog Lamps
  • Heated Mirrors
  • Power Mirror(s)
  • Mirror Memory
  • Power Folding Mirrors
  • Intermittent Wipers
  • Variable Speed Intermittent Wipers
  • Rain Sensing Wipers
  • Privacy Glass
  • Integrated Tailgate Step
  • Bed Liner
  • AM/FM Stereo
  • Navigation System
  • MP3 Capability
  • Bluetooth® Connection
  • Auxiliary Audio Input
  • Smart Device Integration
  • Requires Subscription
  • Requires Subscription
  • Premium Sound System
  • Bluetooth® Connection
  • Bluetooth® Connection
  • Smart Device Integration
  • Steering Wheel Audio Controls
  • WiFi Hotspot
  • Bucket Seats
  • Leather Seats
  • Power Driver Seat
  • Driver Adjustable Lumbar
  • Power Passenger Seat
  • Passenger Adjustable Lumbar
  • Heated Front Seat(s)
  • Mirror Memory
  • Seat Memory
  • Heated Front Seat(s)
  • Cooled Front Seat(s)
  • Pass-Through Rear Seat
  • Heated Rear Seat(s)
  • Floor Mats
  • Floor Mats
  • Adjustable Steering Wheel
  • Heated Steering Wheel
  • Power Windows
  • Power Windows
  • Power Windows
  • Power Door Locks
  • Keyless Entry
  • Power Door Locks
  • Keyless Start
  • Remote Engine Start
  • Cruise Control
  • Adaptive Cruise Control
  • Security System
  • MP3 Capability
  • Auxiliary Audio Input
  • MP3 Capability
  • Auxiliary Audio Input
  • Climate Control
  • Multi-Zone A/C
  • A/C
  • Rear Defrost
  • Auto-Dimming Rearview Mirror
  • Front Collision Mitigation
  • Front Collision Warning
  • Front Collision Mitigation
  • Front Collision Warning
  • Traction Control
  • Stability Control
  • Daytime Running Lights
  • Driver Air Bag
  • Passenger Air Bag
  • Front Side Air Bag
  • Front Head Air Bag
  • Rear Head Air Bag
  • Passenger Air Bag Sensor
  • Telematics
  • Requires Subscription
  • Navigation System
  • Telematics
  • Requires Subscription
  • Back-Up Camera
  • Aerial View Display System
  • Rear Parking Aid
  • Front Collision Warning
  • Lane Departure Warning
  • Lane Keeping Assist
  • Blind Spot Monitor
  • Cross-Traffic Alert
  • Driver Monitoring
  • Tire Pressure Monitor
  • Mileage
    • Fuel Economy Est-Combined (MPG): 15
    • Fuel Economy Est-Combined (MPG): 24
    • EPA Fuel Economy Est - City (MPG): 14
    • EPA Fuel Economy Est - City (MPG): 22
    • EPA Fuel Economy Est - Hwy (MPG): 17
    • EPA Fuel Economy Est - Hwy (MPG): 26
  • Electrical
    • Cold Cranking Amps @ 0° F (Primary): 730
    • Cold Cranking Amps @ 0° F (Primary): 850
    • Maximum Alternator Capacity (amps): 170
    • Maximum Alternator Capacity (amps): 220
  • Cooling System
    • Total Cooling System Capacity (qts): - TBD -
  • Weight Information
    • Gross Axle Wt Rating - Front (lbs): 3800
    • Gross Axle Wt Rating - Rear (lbs): 3800
    • Curb Weight - Front (lbs): 2846
    • Curb Weight - Rear (lbs): 1982
    • Gross Vehicle Weight Rating Cap (lbs): 7100
    • Gross Vehicle Weight Rating Cap (lbs): 7200
    • Gross Combined Wt Rating (lbs): 15000
  • Trailering
    • Dead Weight Hitch - Max Trailer Wt. (lbs): 5000
    • Dead Weight Hitch - Max Tongue Wt. (lbs): 500
    • Wt Distributing Hitch - Max Trailer Wt. (lbs): 9000
    • Wt Distributing Hitch - Max Trailer Wt. (lbs): 8800
    • Wt Distributing Hitch - Max Tongue Wt. (lbs): 900
    • Wt Distributing Hitch - Max Tongue Wt. (lbs): 880
    • Fifth Wheel Hitch - Max Trailer Wt. (lbs): 7400
    • Fifth Wheel Hitch - Max Trailer Wt. (lbs): 6500
    • Fifth Wheel Hitch - Max Tongue Wt. (lbs): 1850
    • Fifth Wheel Hitch - Max Tongue Wt. (lbs): 1625
    • Maximum Trailering Capacity (lbs): 9000
  • Suspension
    • Suspension Type - Front: Independent
    • Suspension Type - Rear: Solid Axle
    • Spring Capacity - Front (lbs): 3800
    • Spring Capacity - Rear (lbs): 3850
    • Axle Type - Front: - TBD -
    • Axle Type - Rear: - TBD -
    • Axle Capacity - Front (lbs): 3800
    • Axle Capacity - Rear (lbs): 3800
    • Axle Ratio (:1) - Front: 3.23
    • Axle Ratio (:1) - Rear: 3.23
    • Shock Absorber Diameter - Front (mm): - TBD -
    • Shock Absorber Diameter - Rear (mm): - TBD -
    • Stabilizer Bar Diameter - Front (in): 1.30
  • Brakes
    • Brake Type: Pwr
    • Brake ABS System: 4-Wheel
    • Disc - Front (Yes or ): Yes
    • Disc - Rear (Yes or ): Yes
    • Front Brake Rotor Diam x Thickness (in): 13 x 1.18
    • Rear Brake Rotor Diam x Thickness (in): 13.6 x 0.79
  • Tires
    • Front Tire Order Code: R3O
    • Front Tire Order Code: QAE
    • Rear Tire Order Code: R3O
    • Rear Tire Order Code: QAE
    • Spare Tire Order Code: XCQ
    • Spare Tire Order Code: QAQ
    • Front Tire Size: LT275/65R18C
    • Front Tire Size: 275/60R20SL
    • Rear Tire Size: LT275/65R18C
    • Rear Tire Size: 275/60R20SL
    • Spare Tire Size: 265/70R17SL
    • Spare Tire Size: 255/80R17SL
    • Front Tire Capacity (lbs): 3800
    • Rear Tire Capacity (lbs): 3800
    • Spare Tire Capacity (lbs): - TBD -
    • Revolutions/Mile @ 45 mph - Front: N/A
    • Revolutions/Mile @ 45 mph - Rear: N/A
    • Revolutions/Mile @ 45 mph - Spare: N/A
  • Wheels
    • Front Wheel Size (in): 18 x 8.5
    • Front Wheel Size (in): 20 x 9
    • Rear Wheel Size (in): 18 x 8.5
    • Rear Wheel Size (in): 20 x 9
    • Spare Wheel Size (in): 17 x 8
    • Front Wheel Material: Aluminum
    • Rear Wheel Material: Aluminum
    • Spare Wheel Material: Steel
  • Steering
    • Steering Type: Electric Rack & Pinion
    • Steering Ratio (:1), On Center: - TBD -
    • Steering Ratio (:1), At Lock: - TBD -
    • Turning Diameter - Curb to Curb (ft): 47.3
    • Turning Diameter - Wall to Wall (ft): N/A
  • Frame
    • Frame Type: Hydroformed
  • Fuel Tank
    • Fuel Tank Capacity, Approx (gal): 24
    • Fuel Tank Location: - TBD -
  • Exterior Dimensions
    • Wheelbase (in): 147.55
    • Length, Overall (in): 232.9
    • Width, Max w/o mirrors (in): 81.24
    • Height, Overall (in): 78.35
    • Overhang, Front (in): - TBD -
    • Overhang, Rear w/o bumper (in): - TBD -
    • Front Bumper to Back of Cab (in): - TBD -
    • Cab to Axle (in): - TBD -
    • Cab to End of Frame (in): - TBD -
    • Ground to Top of Load Floor (in): - TBD -
    • Ground to Top of Frame (in): - TBD -
    • Frame Width, Rear (in): - TBD -
    • Ground Clearance, Front (in): 11.1
    • Ground Clearance, Rear (in): 11.1
  • Cargo Area Dimensions
    • Cargo Box Length @ Floor (in): 69.92
    • Cargo Box Width @ Top, Rear (in): - TBD -
    • Cargo Box Width @ Floor (in): 71.4
    • Cargo Box Width @ Wheelhousings (in): 50.63
    • Cargo Box (Area) Height (in): 22.4
    • Tailgate Width (in): - TBD -
    • Cargo Volume (ft³): 62.9
    • Ext'd Cab Cargo Volume (ft³): - TBD -
  • Interior Dimensions
    • Passenger Capacity: 5
    • Front Head Room (in): 43.03
    • Front Leg Room (in): 44.53
    • Front Shoulder Room (in): 64.54
    • Front Hip Room (in): 60.78
    • Second Head Room (in): 40.12
    • Second Leg Room (in): 43.4
    • Second Shoulder Room (in): 64
    • Second Hip Room (in): 59.24
  • Summary
    • Vehicle Name: GMC Sierra 1500
    • Body Style: Crew Cab Pickup
    • Body Code: E63
  • Emissions
    • EPA Greenhouse Gas Score: 2
    • EPA Greenhouse Gas Score: 3
    • EPA Greenhouse Gas Score: 4
    • Tons/yr of CO2 Emissions @ 15K mi/year: 9.8
    • Tons/yr of CO2 Emissions @ 15K mi/year: 8.6
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Information deemed reliable, but not guaranteed. Interested parties should confirm all data before relying on it to make a purchase decision. All prices and specifications are subject to change without notice. Prices may not include additional fees such as government fees and taxes, title and registration fees, finance charges, dealer document preparation fees, processing fees, and emission testing and compliance charges.