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Basics

Exterior color
Onyx Black
Interior color
Jet Black
Drivetrain
Rear-wheel Drive
MPG
16–21

Based on EPA mileage ratings. Use for comparison purposes only. Actual mileage will vary depending on driving conditions, driving habits, vehicle maintenance, and other factors.

Fuel type
Diesel
Transmission
10-Speed Automatic
Engine
3.0L I6 24V DDI DOHC Turbo Diesel
VIN
3GTPHDE85PG155632
Stock #
PG155632
Mileage
47,620 mi.

Features

Convenience
  • Heated Steering Wheel
  • Keyless Start
  • Navigation System
  • Remote Start
Entertainment
  • Bluetooth®
  • Premium Sound System
  • Satellite Radio
Exterior
  • Alloy Wheels
  • Tow Hitch
Safety
  • Backup Camera
  • Brake Assist
  • Lane Departure Warning
  • Stability Control
Seating
  • Leather Seats
  • Memory Seat
Additional popular features:
Keyless Entry, headlight control - auto highbeam, LED Headlights, USB Port, Heated Seats, Cooled Seats, Automatic Emergency Braking, collision warning system, parking assistance, parking distance sensors, Rear Cross Traffic Alert, Blind Spot Monitor, trailer assist
View all features

Features

These features are associated with this vehicle type. Contact the seller to confirm this specific vehicle has them.

  • 1st and 2nd row curtain head airbags
  • 4 Door
  • 4-Wheel Disc Brakes
  • 4-wheel ABS Brakes
  • ABS and Driveline Traction Control
  • AM/FM/Satellite Radio
  • Anti-theft alarm system
  • Audio System Premium Brand: GMC Infotainment System
  • Audio controls on steering wheel
  • Automatic front air conditioning
  • Auxilliary engine cooler
  • Auxilliary transmission cooler
  • Bluetooth wireless phone connectivity
  • Braking Assist
  • Chrome bumpers
  • Chrome grille
  • Climate Controlled : Driver and passenger heated
  • Clock : Digital
  • Coil front spring
  • Compass
  • Cruise control
  • Cruise controls on steering wheel
  • Cupholders: Front and rear
  • Curb weight: 4,890 lbs.
  • Daytime running lights
  • Diameter of tires: 18.0"
  • Door pockets: Driver, passenger and rear
  • Door reinforcement: Side-impact door beam
  • Driver airbag
  • Driver seat memory
  • Driver's side electrochromatic auto-dimming mirrors
  • Dual front air conditioning zones
  • Dual illuminated vanity mirrors
  • Dual reverse tilt mirrors
  • Dusk sensing headlights
  • Electrochromatic rearview mirror
  • Engine immobilizer
  • External temperature display
  • Fixed antenna
  • Floor mats: Carpet front and rear
  • Fold-up cushion rear seats
  • Forward Collision Mitigation : Forward Collision Alert with Automatic Brakin…
  • Front Head Room : 43.0 "
  • Front Hip Room: 61.2"
  • Front Independent Suspension
  • Front Leg Room: 44.5"
  • Front Shoulder Room: 66.5"
  • Front Stabilizer Bar : Bar
  • Front Ventilated disc brakes
  • Front and rear reading lights
  • Front fog/driving lights
  • Front split-bench
  • Front suspension stabilizer bar
  • Fuel Capacity: 24.0 gal.
  • Fuel Consumption: City: 16 mpg
  • Fuel Consumption: Highway: 21 mpg
  • Fuel Type: Regular unleaded
  • Gross vehicle weight: 6,900 lbs.
  • Headlights off auto delay
  • Heated driver mirror
  • Heated passenger mirror
  • Heated steering wheel
  • Independent front suspension classification
  • Instrumentation: Low fuel level
  • Integrated Navigation System : with voice activation
  • Interior 120v Ac Power Outlet : 1
  • Keyless ignition w/ push button start & keyless door entry
  • Lane Departure Warning: Active
  • Leaf rear spring
  • Leaf rear suspension
  • Leather seat upholstery
  • Leatherette steering wheel trim
  • Left rear passenger door type: Conventional
  • Machined aluminum rims w/ painted accents
  • Manual child safety locks
  • Memorized Settings for 2 drivers
  • Memorized Settings including door mirror(s)
  • Mobile hotspot internet access
  • OnStar and GMC connected services capable
  • Overall Length: 231.9"
  • Overall Width: 81.2"
  • Overall height: 75.5"
  • Overhead console: Mini with storage
  • Passenger Airbag
  • Power remote w/tilt down driver mirror adjustment
  • Power remote w/tilt down passenger mirror adjustment
  • Power retractable mirrors
  • Power windows
  • Premium GMC Infotainment System
  • Privacy glass: Deep
  • Radio Data System
  • Rain sensing front wipers
  • Rear Head Room: 40.1"
  • Rear Hip Room: 60.2"
  • Rear Leg Room: 43.4"
  • Rear Shoulder Room: 65.2"
  • Rear View Camera
  • Rear center seatbelt: 3-point belt
  • Rear door type: Tailgate
  • Rear seats center armrest
  • Remote Engine Start : Keyfob remote start
  • Remote activated exterior entry lights
  • Remote power door locks
  • Remote window operation
  • Right rear passenger door type: Conventional
  • Rigid axle rear suspension
  • Seatback storage: 2
  • Seatbelt pretensioners: Front
  • Short and long arm front suspension
  • Side airbag
  • Simulated wood/metal-look dash trim
  • Simulated wood/metal-look door trim
  • Spare Tire Mount Location: Underbody w/crankdown
  • Speed-proportional electric power steering
  • Split rear bench
  • Stability controll with anti-roll
  • Steel spare wheel rim
  • Suspension class: Regular
  • Tachometer
  • Tilt and telescopic steering wheel
  • Tire Pressure Monitoring System: Tire specific
  • Tires: Prefix: P
  • Tires: Profile: 65
  • Tires: Speed Rating: S
  • Tires: Width: 265 mm
  • Total Number of Speakers: 6
  • Trailer hitch
  • Transmission hill holder
  • Trip computer
  • Type of tires: AS
  • Urethane shift knob trim
  • Variable intermittent front wipers
  • Vehicle Emissions: LEV3-ULEV50
  • Video Monitor Location: Front
  • Wheel Diameter: 18
  • Wheel Width: 8.5
  • Wheelbase : 147.4 "

Vehicle history by CARFAX

Accidents or damage
None reported
1-owner vehicle
No
Personal use only
Yes
The vehicle history information is supplied by third parties. Cars.com and the Seller are not responsible for the accuracy of such information. Cars.com provides this service and materials without representations or warranties of any kind, either expressed or implied. Please see Cars.com Terms and Conditions for further information.

Seller’s info

Group 1 GMC Coastal Bend

(372 reviews)
200 U.S. 77 Frontage Road, Robstown, TX 78380

Seller’s notes about this car

GMC Certified, Excellent Condition. SLT trim. FUEL EFFICIENT 29 MPG Hwy/24 MPG City! Heated Leather Seats, Navigation, Trailer Hitch, Onboard Communications System, Satellite Radio, Turbo Charged, Chrome Wheels, SLT PREFERRED PACKAGE.

KEY FEATURES INCLUDE
Leather Seats, Satellite Radio

OPTION PACKAGES
TEXAS EDITION SLT PREMIUM PLUS PACKAGE: includes (PCY) SLT Convenience Package, (PDY) SLT Preferred Package, (PED) Sierra Safety Plus Package, (ZL6) ProGrade Trailering system, (NZD) 20 Polished aluminum wheels, (CGN) spray-on bedliner, (BVT) Chrome assist steps and Texas Edition badging. SLT CONVENIENCE PACKAGE includes (A50) bucket seats with (D07) center console, (KQV) ventilated front seats, (K4C) Wireless Charging, (UQA) Bose Premium Audio System, (N38) Power Rake/ Telescoping steering column and (UBC) USB ports, 2 (first row) Charge and Data ports located inside armrest Beginning October 26, 2022 through November 20, 2022, certain vehicles will be forced to include (00C) Not Equipped with Wireless Charging, which removes Wireless Charging. See dealer for details or the window label for the features on a specific vehicle.), SLT PREFERRED PACKAGE Includes (KSG) Adaptive Cruise Control, (A48) rear sliding power window, (UG1) Universal Home Remote and (KA6) heated second row outboard seats, ENGINE, DURAMAX 3.0L TURBO-DIESEL I6: (305 hp [227 kW] @ 3750 rpm, 495 lb-ft of torque [671 Nm] @ 2750 rpm) (Includes (KW5) 220-amp alternator and (K05) engine block heater. SIERRA SAFETY PLUS PACKAGE includes (UFB) Rear Cross Traffic Braking, (UKK) Rear Pedestrian Alert, (TRG) Trailer Camera Provisions, (UKV) Trailer Side Blind Zone Alert and (UV2) HD Surround Vision Certain vehicles built prior to 7-11-22 may be forced to include (00Z) Not Equipped with Front and Rear Park Assist, which removes Front and Rear Park Assist. See dealer for details or the window label for the features on a specific vehicle. Vehicles built on or after 7-11-22 will include (UD5) Front and Rear Park assist. Includes (UD5) Front and Rear Park Assist, and (HS1) Safety Alert Seat. AUDIO SYSTEM

MARKET-BASED PRICING
You expect fair & competitive pricing. Thats why the price is based on current market data and is regularly compared to similar pre-owned vehicles in the region.

QUALITY INSPECTIONS
Every vehicle is thoroughly inspected and comes with a complimentary vehicle history report.

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Price history

Listed 76 days ago.
$9,738 total price reduction!
6/01/25 Listed $51,262
6/15/25 -$5,749 $45,513
6/20/25 -$1,145 $44,368
6/30/25 -$503 $43,865
7/05/25 -$1,326 $42,539
7/08/25 +$3,361 $45,900
7/10/25 -$4,785 $41,115
7/18/25 -$215 $40,900
7/20/25 -$499 $40,401
7/25/25 -$464 $39,937
8/05/25 +$2,963 $42,900
8/09/25 -$1,376 $41,524
Total price amount is based on price change information provided by the seller.

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Consumer reviews

See what others are saying about the 2023 GMC Sierra 1500.
(8 reviews)
Rating breakdown (out of 5):
  • Comfort 4.8
  • Interior 4.4
  • Performance 4.2
  • Value 3.8
  • Exterior 4.6
  • Reliability 4.0

Most recent consumer reviews

I own a 2023 GMC Sierra Denali with the 6.

I own a 2023 GMC Sierra Denali with the 6.2 liter v8. The truck just turned 20k miles and my engine locked up. First GM had Active fuel Management, that was a problem causing engines to fail. Instead of doing away with the faulty system that deactivates cylinders while the truck is cruising, supposedly to get better gas mileage, they doubled down and came of with Dynamic Fuel Management, which deactivates even more cylinders at cruising speeds, causing even more V8 engines to blow at extremely low mileage. My truck has been at Al Piemonte Buick / GMC for almost two months now, waiting for an engine replacement, but guess what, this is happening to Chevy Silverados, Cadillac Escalades and of course GMC Sierras, so the engines are not so readily available! Making payments on a truck that I can’t even drive is very frustrating! My Sierra Denali is under factory warranty, so they say it will be covered, but when is my truck going to be repaired and returned to me! GM knows there is a major problem with both the 6.2 & the 5.3 liter V8’s cause of this DFM system, but they refuse to to do the right by their loyal customers and fix this flawed system. I have been buying GM vehicles since the 1980’s, this might be my last GM truck! Hope GM is listening to the multitude of complaints concerning these motors, the worst being 2019-2024 models. Very disappointing state of affairs!

Rating breakdown (out of 5):
  • Comfort 4.0
  • Interior 4.0
  • Performance 3.0
  • Value 2.0
  • Exterior 4.0
  • Reliability 1.0
  • Purchased a Used car
  • Used for Transporting family
  • Does not recommend this car
7 people out of 8 found this review helpful. Did you?
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Awsome

Stong engine and smooth! Highly recommend for familys or someone who likes a smooth truck. Purchased new and have had zero issues since then. Love it!

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 5.0
  • Value 5.0
  • Exterior 5.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Commuting
  • Does recommend this car
6 people out of 7 found this review helpful. Did you?
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Very disappointed customer

I bought my 2023 gmc sierra truck a couple months brand new/used. I started having problems with the brakes. Took it to the dealership and they said there was nothing wrong with my brakes. I’m still dealing with that annoying noise on my brakes. A month ago my front dash screen went blank. Now today a new truck I can t drive my truck out of my driveway! I had no oil and it sounds like my truck motor is going to blow up. I had a couple months took my truck in the dealership to get my oil changed!!!! Then no oil !

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 3.0
  • Performance 3.0
  • Value 1.0
  • Exterior 5.0
  • Reliability 3.0
  • Purchased a New car
  • Used for Commuting
  • Does not recommend this car
35 people out of 44 found this review helpful. Did you?
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See all 8 consumer reviews

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Dealer Disclaimer: Vehicle pricing includes all offers and incentives. Tax, Title and Tags not included in vehicle prices shown and must be paid by the purchaser. Dealer Doc fee of $999.00 is included in advertised sales price.

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*Estimated payments are calculated by Cars.com and are for informational purposes only. We’ve estimated your taxes based on your provided ZIP code. These estimates do not include title, registration fees, lien fees, or any other fees that may be imposed by a governmental agency in connection with the sale and financing of the vehicle. Other taxes may apply. They do not represent a financing offer or a guarantee of credit from the seller. Actual terms vary by lender.

**Your Saved Vehicles list will be shared along with your contact information when you submit a vehicle request to a dealership. To opt out of this sharing, please view your options on Cars.com Privacy Notice.

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We value your privacy. Cars.com Privacy Notice

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