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  • Price Drop
    $24,000
    fair price
    $1,457 above market
    • 165,662 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Monarch Motors (280 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Virginia Beach, VA / 280 miles away from Murrells Inlet, SC

    2020 GMC Yukon XL Denali***ONE OWNER VEHICLE***31 Carfax service records165,662 miles. Well maintained!6.2L V8 engine10-speed automatic transmissionFO...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ5LR193600
    Stock: 193600
    Certified Pre-Owned: No
    Listed since: 04-24-2025

  • New Listing
    $70,287
    fair price
    $1,176 above market
    • 9,462 miles
    • 8 Seats
    • Jimmy Britt Chevrolet Buick GMC (241 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Greensboro, GA / 241 miles away from Murrells Inlet, SC

    Audio system feature, Bose 9-speaker stereoRecovery hooks, Red, horizontal-mountedMirrors, outside heated power-adjustable, power-folding driver-side ...

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    Listing Information:

    VIN: 1GKS2HKL8RR192810
    Stock: 192810
    Certified Pre-Owned: No
    Listed since: 07-12-2025

  • Price Drop
    Stock photo**
    $15,866
    good price
    $1,188 below market
    • 180,438 miles
    • 1 accident, 2 owners, personal use
    • 7 Seats, 15 City / 22 Hwy MPG
    • Coughlin Chillicothe (456 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Chillicothe, OH / 456 miles away from Murrells Inlet, SC

    At Coughlin Chevrolet, Buick, GMC in Chillicothe we offer all our pre-owned inventory at market based pricing to insure a no haggle experience and a f...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKCXHR241613
    Stock: CC9990AA
    Certified Pre-Owned: No
    Listed since: 06-28-2025

  • $52,000
    fair price
    $475 below market
    • 47,618 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 15 City / 19 Hwy MPG
    • Chevrolet Buick GMC of Murfreesboro (451 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Murfreesboro, TN / 451 miles away from Murrells Inlet, SC

    EquipmentThis 2021 GMC Yukon XL 1500 warns of approaching vehicles with Cross-Traffic Alert. This GMC Yukon XL features a hands-free Bluetooth phone s...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    17 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2GKD4MR402234
    Stock: 253145N
    Certified Pre-Owned: No
    Listed since: 05-23-2025

  • $50,985
    fair price
    $1,567 below market
    • 60,985 miles
    • 1 accident, 1 owner, rental vehicle
    • 8 Seats, 15 City / 19 Hwy MPG
    • Nimnicht Chevrolet (278 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Jacksonville, FL / 278 miles away from Murrells Inlet, SC

    EquipmentGood News! This certified CARFAX 1-owner vehicle has only had one owner before you. See what's behind you with the back up camera on this uni...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2GKD9PR345565
    Stock: 25-8210
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • New Listing
    Stock photo**
    $25,777
    fair price
    $321 below market
    • 105,076 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Cole Chevrolet Buick GMC (283 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Bluefield, WV / 283 miles away from Murrells Inlet, SC

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2JKJ1FR608701
    Stock: 608701
    Certified Pre-Owned: No
    Listed since: 07-08-2025

  • New Listing
    $52,670
    fair price
    $295 below market
    • 40,389 miles
    • No accidents, 1 owner, personal use only
    • 8 Seats, 15 City / 19 Hwy MPG
    • BMW of Tampa (434 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Tampa, FL / 434 miles away from Murrells Inlet, SC

    LOADED WITH $7,660 IN FACTORY OPTIONS! PREMIUM PACKAGE, LUXURY PACKAGE, REAR MEDIA & NAVIGATION PACKAGE, HEATED & COOLED LEATHER SEATS, SECOND ROW CAP...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    17 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2GKD4MR438182
    Stock: 8F54045A
    Certified Pre-Owned: No
    Listed since: 07-10-2025

  • $21,865
    fair price
    $140 below market
    • 129,408 miles
    • 3 accidents, 2 owners, personal use only
    • 8 Seats, 15 City / 22 Hwy MPG
    • Sell Your Car Today (NC) (103 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Fayetteville, NC / 103 miles away from Murrells Inlet, SC

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKCXGR250374
    Stock: GR250374
    Certified Pre-Owned: No
    Listed since: 05-20-2025

  • Price Drop
    $29,146
    fair price
    $478 below market
    • 108,880 miles
    • 1 accident, 3 owners, personal use
    • 7 Seats, 14 City / 23 Hwy MPG
    • Mercedes‑Benz Van Center - Baker (76 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Summerville, SC / 76 miles away from Murrells Inlet, SC

    Used 2018 GMC Yukon XL 4x2 SUV ---- White Frost Tricoat 2018 GMC Yukon XL Denali RWD 10-Speed Automatic with Overdrive EcoTec3 6.2L V8 ---- Click ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    17 Combined MPG (14 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKJXJR287357
    Stock: SP1376
    Certified Pre-Owned: No
    Listed since: 01-11-2025

  • $75,892
    fair price
    $656 above market
    • 28,205 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Manheim Imports (476 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Manheim, PA / 476 miles away from Murrells Inlet, SC

    2024 GMC Yukon XL Denali 4WD, Recent Arrival! CARFAX One-Owner. Advanced Technology Package, Max Trailering Package, Premium Capability Package w/Acti...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/18 Highway)

    Listing Information:

    VIN: 1GKS2JKL9RR186926
    Stock: 36517
    Certified Pre-Owned: No
    Listed since: 06-06-2025

  • $25,995
    fair price
    $105 below market
    • 115,671 miles
    • 1 accident, 2 owners, personal use
    • 7 Seats, 14 City / 20 Hwy MPG
    • Flemings Motors (141 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Garner, NC / 141 miles away from Murrells Inlet, SC

    2017 GMC Yukon XL Denali Sport Utility 4D V8, EcoTec3, 6.2 Liter Automatic, 8-Spd 4WDPower Door Locks, Air Conditioning, Dual Air Bags, HID Headlamps,...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ3HR401836
    Stock: 401836
    Certified Pre-Owned: No
    Listed since: 06-18-2025

  • New Listing
    $20,990
    fair price
    $962 below market
    • 127,989 miles
    • 8 Seats, 15 City / 22 Hwy MPG
    • Memory Motors (465 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Gallatin, TN / 465 miles away from Murrells Inlet, SC

    AutoCheck Vehicle History Summary Unavailable.

    Features and Specs:

    17 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS1HKJ2GR255611
    Stock: 55611
    Certified Pre-Owned: No
    Listed since: 06-10-2025

  • New Listing
    Stock photo**
    $69,990
    fair price
    $154 above market
    • 8,957 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 19 Hwy MPG
    • Carl Black Hiram (331 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Hiram, GA / 331 miles away from Murrells Inlet, SC

    This 2023 GMC Yukon XL AT4 with 8957 miles has a Onyx Black exterior and Jet Black interior and comes equipped with a Gas V8 5.3L/ giving you up to 15...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2HKD3PR248335
    Stock: P506406B
    Certified Pre-Owned: No
    Listed since: 07-08-2025

  • New Listing
    $60,988
    fair price
    $482 above market
    • 28,623 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 14 City / 19 Hwy MPG
    • Smail Buick GMC (465 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Greensburg, PA / 465 miles away from Murrells Inlet, SC

    Heated Leather Seats, NAV, 3rd Row Seat, Keyless Entry, Heated Steering Wheel, Heated Rear Seat, 4x4, Quad Seats, Alloy Wheels, AUDIO SYSTEM, 10.2" DI...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/19 Highway)

    Listing Information:

    VIN: 1GKS2JKL9MR295749
    Stock: C01143A
    Certified Pre-Owned: Yes
    Listed since: 07-09-2025

  • $27,399
    fair price
    $1,184 below market
    • 136,760 miles
    • 1 accident, 3 owners, personal use only
    • 7 Seats, 14 City / 21 Hwy MPG
    • Boniface-Hiers Chrysler Dodge Jeep RAM (376 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Cocoa, FL / 376 miles away from Murrells Inlet, SC

    2018 GMC Yukon XL Denali DenaliEcoTec3 6.2L V8 Yukon XL Denali, 4D Sport Utility, EcoTec3 6.2L V8, 10-Speed Automatic with Overdrive, 4WD, Quicksilv...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/21 Highway)

    Listing Information:

    VIN: 1GKS2HKJ8JR114496
    Stock: DA6188A
    Certified Pre-Owned: No
    Listed since: 06-28-2025

  • $24,000
    fair price
    $661 above market
    • 94,350 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Sport and Imports (407 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Pasadena, MD / 407 miles away from Murrells Inlet, SC

    ***Ask about our used vehicle certification process! *** Please call our friendly sales professionals to schedule your appointment today! 410-...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKC3GR266433
    Stock: 25122
    Certified Pre-Owned: No

  • $57,340
    fair price
    $188 above market
    • 28,828 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 19 Hwy MPG
    • Faulkner Nissan (499 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Jenkintown, PA / 499 miles away from Murrells Inlet, SC

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2GKD9NR208090
    Stock: NR208090
    Certified Pre-Owned: No
    Listed since: 07-04-2025

  • $26,999
    fair price
    $931 below market
    • 118,229 miles
    • 1 accident, 4 owners, rental vehicle
    • 8 Seats, 14 City / 21 Hwy MPG
    • Volunteer Auto Group (320 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Maryville, TN / 320 miles away from Murrells Inlet, SC

    Odometer is 7786 miles below market average!Quicksilver Metallic 2019 GMC Yukon XL SLT 4D Sport Utility EcoTec3 5.3L V8 4WD 6-Speed Automatic Electron...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: No

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/21 Highway)

    Listing Information:

    VIN: 1GKS2GKC4KR280737
    Stock: L16139
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • $89,995
    fair price
    $2,389 above market
    • 30,346 miles
    • No accidents, 1 owner, personal use
    • 7 Seats
    • Mid-State Chevrolet (365 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Sutton, WV / 365 miles away from Murrells Inlet, SC

    Come see this 2024 GMC Yukon XL Denali Ultimate. Its Automatic transmission and Diesel I6 3.0L/ engine will keep you going. This GMC Yukon XL has the ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    Listing Information:

    VIN: 1GKS2KKT6RR211657
    Stock: 14037245
    Certified Pre-Owned: No
    Listed since: 06-05-2025

  • $20,998
    fair price
    $1,409 below market
    • 126,402 miles
    • 2 accidents, 3 owners, personal use
    • 7 Seats, 14 City / 20 Hwy MPG
    • Piazza Honda of Pottstown (497 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Limerick, PA / 497 miles away from Murrells Inlet, SC

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: No

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    16 Combined MPG (14 City/20 Highway)

    Listing Information:

    VIN: 1GKS2JKJ9FR723028
    Stock: D30018B
    Certified Pre-Owned: No
    Listed since: 06-17-2025

  • $30,989
    fair price
    $85 above market
    • 118,383 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 23 Hwy MPG
    • Charlotte Auto Center (159 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Concord, NC / 159 miles away from Murrells Inlet, SC

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Clean Title

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    17 Combined MPG (14 City/23 Highway)

    Listing Information:

    VIN: 1GKS1HKJ5KR111866
    Stock: 1866A
    Certified Pre-Owned: No
    Listed since: 05-03-2025

Showing 1,051 - 1,071 out of 1,691 listings

Consumer Reviews for the GMC Yukon XL

Read recent reviews for the GMC Yukon XL
Overall Consumer Rating
4.5 out of 5 stars61 Reviews
Write a vehicle reviewSee all 61 reviews
  • 5 star
    (69%)
  • 4 star
    (23%)
  • 3 star
    (8%)
  • 2 star
    (0%)
  • 1 star
    (0%)
5 out of 5 stars

Vortec 6.0 is AMAZING! LOVE This Denali XL.

Barry Gartner, 11/29/2015
2005 GMC Yukon XL 1500 SLE Rwd 4dr SUV (5.3L 8cyl 4A)
The Denali XL is everything you need to get your family up to the Cabin, tow your toys, and more. This vehicle is hands down the best vehicle I have ever owned. It is smooth, powerful, comfortable, and has AWD for towing my Ice-House, Boat, Snowmobiles, and ATV's. The Denali has the Vortec 6.0 but this is essentially the same engine as the 5.3. My Vortec 6.0 has 232,948 miles and does … not burn oil between changes. I have had to perform repairs on this vehicle which I will list but most of them were only after 200,000 and well worth the investment. These vehicles will easily go 400,000 with routine maintenance. Maintenance & Tips: **TIP 1** Buy a blue tooth OBD2 adapter online for $20 and then get the Torque App for your iPhone/Android to monitor/trouble-shoot data and reset error codes. **TIP 2** Change the fluids on this truck regularly. It will pay off in the long run. These trucks will last FOREVER. You can do both the front differential, rear differential, and transfer case very easily/cheap. The same goes for the transmission but that takes about 17 quarts and isn't exactly cheap to do a total flush but it is much cheaper than a whole new transmission. **TIP 3** Search Online for videos for trouble-shooting and repair. I guarantee you will find out how to do many of these repairs yourself/cheap. 1. Transmission may go around 200,000 miles = $3,700 to repair. 2. Rear Air Suspension will go around the same time = $800 to $2,700/Dealer to repair. You do not have to put the Air Suspension rear back in/Kit Replacement. I however Love the air suspension for towing, etc. 3. Passenger Side leak into Heater Blower Motor. This shorts out the Fan. Easy fix, take off the wipers and the plastic grate between the windshield and the hood. There is an oval metal plate with cracked brittle caulk. Reseal this or put another bigger metal plate over this with caulk. TIP: Pull out the wet metal heat sink heater fan control module and dry it out. It will come back to life. No need to spend money on this. 4. DON"T spray off this engine at the Self-Serve Car Wash. Water on the top side will drain down and short out the anti-knock sensors on the top of the intake and you will start throwing codes. I had to replace both (2) anti-knock sensors and the wire harness. 5. The intake gasket will need to be replaced at some point if it has not been already. It will throw lean bank 1 or 2 codes when it is time to replace. I think the original was green and the replacement is orange and a better design. Easy fix, just take your time to do it right. 6. If you start to get a random misfire code when it is hot/towing that only happens when you stop it is the front O2 Sensor. Easy fix. Get on the ground and do it yourself. They sell a cheap tool to remove/replace these. 7. Low Oil Pressure when first started cold. Some of these engines will lose oil pressure when first started COLD. Then as the engine warms the oil pressure will come up to normal. That is your clue. A rubber ring in the oil pickup tube has become brittle and cracked. When it warms up it expands and your oil pressure comes back to normal. FIX: Bring this to a shop with some good old boys who are not afraid of a little work. The front differential can be dropped with two people and a hoist in about 20 minutes/intact. This will grant access to drop the oil pan which has to be removed to get to the oil pump pickup tube so that the rubber o-ring can be replaced. $350 - $550 to repair. Don't take it to the dealership for this one. They will want 1K to fix this and it isn't that hard to do. FINAL TIP: Don't be afraid to work on this vehicle. I have performed every repair on this besides the o-ring replacement and the transmission. Working on this has saved me thousands of dollars and prevented me from having to fork out another 50k for a new vehicle. Don't believe for one second that a new GMC truck with the 6.2 is the answer. People are buying these and having oil burning issues from the factory. Not to mention transmission issues, etc. Newer isn't always better. I for one will be driving my 2005 GMC Denali XL for many years to come. Sincerely, Barry G
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