Used 2025 GMC Sierra 1500 SLT Crew Cab
4x4
Vehicle Summary
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Summit White
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Jet Black
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VIN 1GTUUDED2SZ125170
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Stock # SZ125170
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Condition Used
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Exterior Summit White
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Interior Jet Black
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Engine EcoTec3 5.3L V8
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Fuel Type
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Drivetrain 4x4
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Transmission 10-Speed Automatic
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Location Colonial Toyota
Mileage
Miles
MPG FUEL ECONOMY
CITY
HWY
COMBINED
EPA estimates. Actual mileage may vary.
Performance
HP
Torque
Key Features
Collision Avoidance
Backup Camera
Lane Departure Warning
Lane Keep Assist
Fog Lights
Side-Impact Air Bags
Bluetooth
Satellite Radio
Alloy Wheels
Leather Seats
Automatic Climate Control
Tow Package
Cruise Control
Remote Start
Push Start
Keyless Entry
Android Auto
Apple Car Play
Wifi Hotspot
Navigation System
Power Seats
Convenience Package
Vehicle Features
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Interior
- Heated steering wheel
- Heated driver and front passenger seats
- Leather front seat upholstery
- Driver seat power reclining, lumbar support, cushion tilt, fore/aft control and height adjustable control
- Dual-zone front climate control
- Voice-activated climate control
- Automatic climate control
- Manual tilting steering wheel
- Manual telescopic steering wheel
- Vinyl rear seat upholstery
- Rear console climate control ducts
- 40-20-40 split-bench front seat
- Driver seat with 8-way directional controls
- Split-bench front seat
- Front seat center armrest
- Front passenger seat with 8-way directional controls
- Driver seat with 2-way power lumbar
- Front passenger seat with 2-way power lumbar
- Leatherette steering wheel
- Split-bench rear seat
- Fold-up rear seat cushion
- 60-40 folding rear seats
- Rear seat center armrest
- Seating capacity: 6
- Deep tinted windows
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Exterior
- Vehicle to trailer hitching assist
- Trailer brake controller
- Trailer sway control
- Vehicle and trailer reverse assist with visual graphic guidance only
- Trailer hitch light
- 18 x 8.5-inch front and rear machined w/painted accents aluminum wheels
- P265/65SR18 AS BSW front and rear tires
- Trailer wiring harness
- Class IV tow rating
- Trailer hitch
- Pickup bed-rail protectors
- Full-size spare tire with steel wheel
- Crank-down spare tire
- 2 front tow hooks
- LED in-box lighting
- 4 doors
- Standard style pickup box
- Galvanized steel/aluminum body panels with side impact beams
- Chrome front bumper
- Chrome rear bumper
- Black fender flares
- Chrome grille
- Chrome side window trim
- Chrome door handles
- Monotone paint
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Mechanical
- AutoTrac part-time 4WD
- EcoTec3 5.3L V-8 direct injection, variable valve control, regular gasoline, engine with cylinder deactivation and 355HP
- EcoTec3 5.3L V-8
- Auto stop-start engine
- 10-speed automatic
- Selectable mode transmission
- Sequential shift control
- Automatic
- Four-wheel drive
- Speed sensitive power steering
- Lock-up transmission
- Front mounted engine
- Spark ignition system
- Longitudinal mounted engine
- Aluminum engine block
- Aluminum cylinder head
- Overdrive transmission
- Transmission oil cooler
- EcoTec3 V8
- Powertrain type: ICE
- All-speed ABS and driveline traction control
- Electronic transfer case shift
- Standard ride suspension
- Independent front suspension
- Short and long arm front suspension
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Safety
- Forward Collision Alert with Automatic Braking
- Front Pedestrian Braking
- HD Rear Vision Camera rear mounted camera
- Lane Keep Assist with Lane Departure Warning
- Automatic Emergency Braking brake assist system
- Teen Driver restricted driving mode/alerts
- Stolen Vehicle Assistance vehicle tracker with vehicle slowdown
- Gauge cluster display size: 12.30
- IntelliBeam auto high-beam headlights
- Immobilizer
- Configurable instrumentation gauges
- StabiliTrak w/Proactive Roll Avoidance electronic stability control system with anti-roll
- Hill Start Assist (HSA)
- LED daytime running lights
- LED brake lights
- Rain detecting wipers
- LED front fog lights
- Manual rear child safety door locks
- 6 airbags
- Driver front impact airbag
- Seat mounted side impact driver airbag
- Curtain first and second-row overhead airbags
- Passenger front impact airbag
- Seat mounted side impact front passenger airbag
- Airbag occupancy sensor
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Entertainment
- Primary monitor touchscreen
- Bluetooth wireless audio streaming
- Premium GMC Infotainment System external memory control
- Internet radio capability
- Premium GMC Infotainment System voice activated audio controls
- AM/FM/SiriusXM with 360Lsatellite
- 2 total number of 1st row displays
- 13.4 inch primary display
- Standard grade speakers
- 6 speakers
- Seek scan
- Radio data system (RDS)
- 3 month satellite trial subscription
- Fixed audio antenna
Vehicle Description
Meet the 2025 GMC Sierra 1500 SLT 4WD—a commanding truck built for capability and comfort. This white beauty arrives recently serviced with new brakes, filters, and tires, backed by service records and a passing CT state inspection. Powered by an EcoTec3 5.3L V8 with a 10-speed automatic transmission, this 4WD Sierra delivers the strength you need with the refinement you want.
**Key Features:**
- 4WD with Auto-Locking Rear Differential
- Apple CarPlay and Android Auto connectivity
- Wireless smartphone integration
- Rear backup camera with HD imaging
- Heated driver and front passenger seats
- 10-way power driver seat with lumbar support
- Lane Keep Assist with Lane Departure Warning
- Automatic Emergency Braking
- SiriusXM 360L satellite radio with trial subscription
- Trailering Package with integrated trailer brake controller
This Sierra drives with purpose. The cabin is thoughtfully appointed with leather-trimmed front outboard seating, automatic dual-zone climate control, and a heated steering wheel for winter comfort. Dual-zone air conditioning, remote keyless entry, and push-button start round out the convenience package. Safety features include electronic stability control, traction control, automatic high-beam headlights, and front fog lights that cut through any condition. The truck rides on 18-inch machined aluminum wheels wrapped in freshly balanced and rotated tires.
Get behind the wheel of premium truck capability. This Sierra SLT 4WD combines power, technology, and dependability in one impressive package. Visit us today to experience the difference this GMC truck delivers.
Carfax®
Welcome To
Colonial Toyota
Milford, CT
For great prices, high-quality vehicles and VIP customer service, look no further than Colonial Toyota. We are proud to be your family-owned and operated Toyota dealer in the Milford, CT, area and have served drivers from across the region find their dream car since 1982. At Colonial Toyota our mission is simple:
We believe in providing the best products and services for the most competitive prices. Our customers depend on us to provide the best and we deliver. At Colonial Toyota we are dedicated to being a one-stop shop for our customers. Here you can buy your dream car and get it serviced and financed here too. We have a full-service department on site which is staffed by Toyota factory-trained and certified service technicians.
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Crash Safety Ratings
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OVERALL
5 STAR
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FRONT
4 STAR
SIDE
5 STAR
ROLLOVER
4 STAR
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Disclaimers
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All prices exclude tax, tags, title, and license. No security deposit required. Stock photos represent fresh vehicles to our lot and may not represent the actual features on individual stock numbers. While every reasonable effort is made to ensure the accuracy of this information, we are not responsible for any errors or omissions contained on these pages. Please verify any information in question with the Colonial Toyota Sales Management Staff. This is easily done by calling us at (203) 403-6890 or by visiting us at the dealership.
**With approved credit. Terms may vary. Monthly payments are only estimates derived from the vehicle price with a {term_used} month term, {interest_used}% interest and {down_payment_used}% down-payment.
*Number of views in last 30 days
Based on 2025 EPA mileage ratings. Use for comparison purposes only. Your actual mileage will vary depending on how you drive and maintain your vehicle.
All advertised vehicles are subject to actual dealer availability. Certain vehicles listed may not be available, or may have different prices. Prices exclude state tax, license, smog fee, and finance charges, if applicable. All vehicles are subject to prior sale. The Internet Price is only applicable to this specific vehicle as identified by the stock number and VIN. Internet Sale Prices include all manufacturer cash back and cannot be combined with other offers. All prices and payments calculated above are plus Tax, Tag and $ Processing Fee. ** Advertised APR on approved credit thru TFS. Stock photos are for illustration purposes. Dealer assumes no responsibility for inaccuracies after the purchaser has taken delivery of the vehicle. Vehicles are not available for export out of the Continental United States. College Grad/Military rebate not included in Internet pricing. These rebates will further reduce the price.Vehicle option and pricing are subject to change. Prices include all dealer incentives. Sale Prices include all dealer incentives and $999 dealer conveyance fee. Pricing and availability varies by dealership. Please check with your dealer for more information. Prices do not include dealer charges, such as advertising, that can vary by manufacturer or region, or costs for selling, preparing, displaying or financing the vehicle. Images displayed may not be representative of the actual trim level of a vehicle. Colors shown are the most accurate representations available. However, due to the limitations of web and monitor color display, we cannot guarantee that the colors depicted will exactly match the color of the car. Information provided is believed accurate but all specifications, pricing, and availability must be confirmed in writing (directly) with the dealer to be binding. Neither the Dealer nor the website provider is responsible for any inaccuracies contained herein and by using this application you the customer acknowledge the foregoing and accept such terms. Not all vehicles are located on-site.
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