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Basics

Exterior color
Summit White
Interior color
Walnut
Drivetrain
Four-wheel Drive
MPG
Fuel type
Diesel
Transmission
10-Speed Automatic
Engine
6.6L V8 32V DDI OHV Turbo Diesel
VIN
1GT49REY6LF319656
Stock #
319656U
Mileage
42,434 mi.

Features

Convenience
  • Heated Steering Wheel
  • Navigation System
  • Remote Start
Entertainment
  • Bluetooth®
  • Premium Sound System
  • Satellite Radio
Exterior
  • Alloy Wheels
  • Tow Hitch
Safety
  • Backup Camera
  • Brake Assist
  • Lane Departure Warning
  • Rear Cross Traffic Alert
  • Stability Control
Seating
  • Leather Seats
  • Memory Seat
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
  • Aluminum dash trim
  • Aluminum/genuine wood center console trim
  • Aluminum/genuine wood door trim
  • Anti-theft alarm system
  • Audio System Premium Brand : Premium GMC Infotainment System
  • Audio System Premium Brand Speakers: Bose
  • Audio controls on steering wheel
  • Audio system memory card slot
  • Automatic front air conditioning
  • Automatic locking hubs
  • Auxilliary engine cooler
  • Auxilliary transmission cooler
  • Bluetooth wireless phone connectivity
  • Body-colored bumpers
  • Braking Assist
  • Bucket front seats
  • Center Console: Full with covered storage
  • Chrome grille
  • Climate Controlled : Driver and passenger heated
  • Clock : Digital
  • Compass
  • Cruise control
  • Cruise controls on steering wheel
  • Cupholders: Front and rear
  • Daytime running lights
  • Diameter of tires: 20.0"
  • Digital Audio Input
  • Door pockets: Driver, passenger and rear
  • Door reinforcement: Side-impact door beam
  • Driver airbag
  • Driver seat memory
  • Dual front air conditioning zones
  • Dual illuminated vanity mirrors
  • Dusk sensing headlights
  • Electrochromatic auto-dimming mirrors
  • 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: 66.0"
  • Front Stabilizer Bar : Bar
  • Front Ventilated disc brakes
  • Front and rear reading lights
  • Front fog/driving lights
  • Front suspension stabilizer bar
  • Fuel Capacity: 36.0 gal.
  • Fuel Type: Regular unleaded
  • Headlights off auto delay
  • Heated driver mirror
  • Heated passenger mirror
  • Heated steering wheel
  • Independent front suspension classification
  • Instrumentation: Low fuel level
  • Integrated Navigation System : Yes
  • Interior 120v Ac Power Outlet : 1
  • Lane Departure Warning
  • Leaf rear spring
  • Leaf rear suspension
  • Leather seat upholstery
  • Leather/metal-look steering wheel trim
  • Left rear passenger door type: Conventional
  • Liftgate window: Power
  • Manual child safety locks
  • Memorized Settings for 2 drivers
  • Memorized Settings including door mirror(s)
  • Mobile hotspot internet access
  • Overall Width : 81.8 "
  • Overall height: 79.7"
  • Overhead console: Mini
  • Passenger Airbag
  • Polished aluminum rims
  • Power extendable trailer style exterior mirrors
  • Power remote driver mirror adjustment
  • Power remote passenger mirror adjustment
  • Power retractable mirrors
  • Power windows
  • Privacy glass: Deep
  • Rear Collision Warning : Rear Cross Traffic Alert
  • Rear Head Room: 39.9"
  • Rear Hip Room: 60.2"
  • Rear Leg Room: 43.4"
  • Rear Shoulder Room: 65.3"
  • 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
  • SiriusXM AM/FM/HD/Satellite Radio
  • SiriusXM Satellite Radio(TM)
  • Spare Tire Mount Location: Underbody w/crankdown
  • Speed-proportional power steering
  • Split rear bench
  • Stability controll with anti-roll
  • Steel spare wheel rim
  • Suspension class: Off-road
  • Tachometer
  • Tilt and telescopic steering wheel
  • Tire Pressure Monitoring System: Tire specific
  • Tires: Load Rating: E
  • Tires: Prefix: LT
  • Tires: Profile: 65
  • Tires: Speed Rating: S
  • Tires: Width: 275 mm
  • Torsion bar front spring
  • Total Number of Speakers: 7
  • Trailer hitch
  • Transmission hill holder
  • Trip computer
  • Turn signal in mirrors
  • Two 12V DC power outlets
  • Type of tires: AT
  • Universal remote transmitter
  • Urethane shift knob trim
  • Variable intermittent front wipers
  • Vehicle Emissions: LEV II
  • Video Monitor Location: Front
  • Wheel Diameter: 20
  • Wheel Width: 8.5

Vehicle history by CARFAX

Accidents or damage
None reported
1-owner vehicle
Yes
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

Barlow Buick GMC

(234 reviews)
445 Route 72 East, Manahawkin, NJ 08050

Seller’s notes about this car

CARFAX 1-Owner, Clean, GMC Certified. Heated/Cooled Leather Seats, Navigation, Trailer Hitch, Heated Rear Seat, 4x4, Turbo Charged, Aluminum Wheels, Bed Liner, LPO, ALL-WEATHER FLOOR LINER, 1ST AND... TECHNOLOGY PACKAGE.

KEY FEATURES INCLUDE
Leather Seats, 4x4, Heated Driver Seat, Heated Rear Seat, Cooled Driver Seat Non-Smoker vehicle GMC Denali with Summit White exterior and Dark Walnut/Dark Ash Grey interior features a 8 Cylinder Engine with 401 HP at 5200 RPM.

OPTION PACKAGES
ENGINE, DURAMAX 6.6L TURBO-DIESEL V8, B20-DIESEL COMPATIBLE (445 hp [332 kW] @ 2800 rpm, 910 lb-ft of torque [1220 Nm] @ 1600 rpm) (Includes (K05) engine block heater.), TECHNOLOGY PACKAGE includes (UVS) HD Surround Vision, (DRZ) Rear Camera Mirror, (UVN) Bed View Camera and (UV6) Multicolor 15 Diagonal Head-Up Display, LPO, ALL-WEATHER FLOOR LINER, 1ST AND 2ND ROWS, 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 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. (Includes (PZ8) Hitch Guidance with hitch view. (STD), TRANSMISSION, ALLISON 10-SPEED AUTOMATIC.

A GREAT TIME TO BUY
This Sierra 2500HD is priced $3,100 below Kelley Blue Book.

SHOP WITH CONFIDENCE
CARFAX 1-Owner 172-Point Inspection and Reconditioning, 3-Month trial of OnStar Safety & Security Plan and Connected Services, Includes two maintenance visits with the GMC CPO Scheduled Maintenance Program, $0 Deductible, 6-Year/100,000-Mile Powertrain Limited Warranty, Vehicle Exchange Program: 3 Day / 150 Mile Guarantee, 24/7 Roadside Assistance, CarFax Vehicle History Report, 12-Month/12,000-Mile Bumper-to-Bumper Limited Warranty, Satellite radio-equipped vehicles include a 3-month trial to the SiriusXM All Access content package

MORE ABOUT US
Honest Pricing. Dedicated Service. Everyday.

Pricing analysis performed on 10/1/2025. Horsepower calculations based on trim engine configuration. Please confirm the accuracy of the included equipment by calling us prior to purchase.
At Barlow Buick GMC, we always put the customer first. For over 40 years, that mentality has been what keeps our customers coming back. We are not here to sell you only one car. We would love the chance to sell you, and your family cars for years to come.

Included warranty

Enjoy peace of mind with GMC program benefits. View program details
Maximum age/mileage
5 model years or newer/up to 75,000 miles
Basic warranty terms
12 months/12,000 miles bumper-to-bumper original warranty, then may continue to 6 years/100,000 miles limited (depending on variables)
Powertrain
6 years/100,000 miles
Dealer certification required
172-point inspection
Roadside assistance
Yes

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Consumer reviews

See what others are saying about the 2020 GMC Sierra 2500.
(23 reviews)
Rating breakdown (out of 5):
  • Comfort 4.9
  • Interior 4.9
  • Performance 4.8
  • Value 4.5
  • Exterior 4.9
  • Reliability 4.7

Most recent consumer reviews

2020 GMC 2500 AT4

This truck is the truck that all others should look up to. It rides great, will tow a house, runs smooth, and gets great fuel economy. The Allison transmission is so smooth. The AT4 looks great too.

Rating breakdown (out of 5):
  • Comfort 5.0
  • Interior 5.0
  • Performance 5.0
  • Value 4.0
  • Exterior 5.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Having fun
  • Does recommend this car
10 people out of 10 found this review helpful. Did you?
Yes No

Best truck I've owned yet

What a gorgeous truck, runs good, sounds good and has all of the amenities I need although I am looking forward to their next interior upgrade.

Rating breakdown (out of 5):
  • Comfort 4.0
  • Interior 4.0
  • Performance 4.0
  • Value 4.0
  • Exterior 4.0
  • Reliability 5.0
  • Purchased a New car
  • Used for Commuting
  • Does recommend this car
2 people out of 3 found this review helpful. Did you?
Yes No

Most convenient options on any vehicle I've owned.

Great power and yet great economy. Love the safety features with the cameras and side vehicle warning. Camera that shows side of vehicle, including trailer when turn signal is on is great. Also appreciate the bed camera for hooking up gooseneck trailer.

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 Used car
  • Used for Towing
  • Does recommend this car
1 person out of 1 found this review helpful. Did you?
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See all 23 consumer reviews
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Cars.com Disclaimer: The information on vehicles provided in this service is supplied by the seller or other third parties; Cars.com is 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. Click here for more details.

Bluetooth® is a registered mark of Bluetooth® SIG, Inc. Android Auto™ is a trademark of Google LLC. Apple CarPlay® is a registered trademark of Apple Inc. Burmester is a registered trademark of Burmester Audiosysteme GmbH, Berlin, Germany.

*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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