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1,768 listings
  • $19,024
    good price
    $1,680 below market
    • 140,702 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Cardinal Buick GMC (419 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Belleville, IL / 419 miles away from Nash, TX

    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: 1GKS2GKC4GR322119
    Stock: G3928A
    Certified Pre-Owned: No
    Listed since: 06-28-2025

    • 7,863 miles
    • No accidents, 1 owner, personal use only
    • 8 Seats, 15 City / 18 Hwy MPG
    • Classic Cadillac Galveston (290 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Galveston, TX / 290 miles away from Nash, TX

    Edmunds saidThe 2024 GMC Yukon is an appealing pick for a large SUV. With a comfortable ride and roomy interior, you no longer have to make as many co...

    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/18 Highway)

    Listing Information:

    VIN: 1GKS2HKDXRR381693
    Stock: 381693G
    Certified Pre-Owned: No
    Listed since: 06-12-2025

  • Price Drop
    $40,990
    good price
    $1,591 below market
    • 89,484 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 8 Seats, 15 City / 19 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Third-row seating
    Close

    Located in Cleveland, OH / 877 miles away from Nash, TX

    At Carvana, we go miles beyond the extra mile. That's why we provide you with a convenient, fast, and hassle-free car buying experience that puts you ...

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    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: 1GKS2FKD7NR335141
    Stock: 2003772629
    Certified Pre-Owned: No
    Listed since: 06-06-2025

  • $42,999
    good price
    $2,997 below market
    • 58,511 miles
    • No accidents, 1 owner, personal use only
    • 8 Seats, 15 City / 19 Hwy MPG
    • Superior Nissan of Conway (150 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Keyless Entry/Start
    • Third-row seating
    Close

    Located in Conway, AR / 150 miles away from Nash, TX

    CARFAX One-Owner. Clean CARFAX. Satin Steel Metallic 2022 GMC Yukon XL SLE 4D Sport Utility 4WD 10-Speed Automatic with Overdrive EcoTec3 5.3L V8Alloy...

    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: 1GKS2FKD2NR308283
    Stock: N4056
    Certified Pre-Owned: No
    Listed since: 03-13-2025

  • New Listing
    $57,289
    good price
    $3,743 below market
    • 60,680 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 19 Hwy MPG
    • Cable Dahmer Chevrolet of Kansas City (381 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Kansas City, MO / 381 miles away from Nash, TX

    2023 GMC Yukon XL AT4CARFAX One-Owner.5YR/100,000 Miles Certified, 4WD, 15 Diagonal Multi-Color Head-Up Display, 2 Presets For Outside Rearview Mirror...

    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: 1GKS2HKD4PR137647
    Stock: F11501A
    Certified Pre-Owned: No
    Listed since: 07-08-2025

    • 110,560 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Prosperity Motors (163 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Carrollton, TX / 163 miles away from Nash, TX

    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: 1GKS2HKC7FR595477
    Stock: 595477
    Certified Pre-Owned: No
    Listed since: 06-04-2025

  • $13,500
    good price
    $2,086 below market
    • 202,703 miles
    • 1 accident, 1 owner, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Sims Auto and RV (185 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Searcy, AR / 185 miles away from Nash, TX

    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: 1GKS2JKJ3FR213127
    Stock: 6093
    Certified Pre-Owned: No
    Listed since: 06-09-2025

  • $51,990
    good price
    $3,592 below market
    • 31,027 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 16 City / 20 Hwy MPG
    • David Scott Lee Buick GMC (480 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Crestview, FL / 480 miles away from Nash, TX

    CARFAX One-Owner. Certified. Onyx Black 2021 GMC Yukon XL SLT EcoTec3 5.3L V8 RWD UNLIMITED MILE LIFETIME WARRANTY!!!, **GM Certified Pre-Owned**, **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:

    18 Combined MPG (16 City/20 Highway)

    Listing Information:

    VIN: 1GKS1GKD8MR323541
    Stock: 25806A
    Certified Pre-Owned: Yes
    Listed since: 06-27-2025

  • Stock photo**
    $37,995
    good price
    $3,762 below market
    • 93,709 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Legacy Motor Company (397 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Topeka, KS / 397 miles away from Nash, TX

    Get ready for the ride of a lifetime in this sleek and powerful 2020 GMC Yukon XL! With a roaring 6.2L EcoTec3 V8 engine under the hood, this beauty i...

    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: 1GKS2HKJ6LR137195
    Stock: 137195
    Certified Pre-Owned: No
    Listed since: 05-15-2025

    • 104,220 miles
    • 1 accident, 2 owners, corporate fleet vehicle
    • 8 Seats, 16 City / 23 Hwy MPG
    • Texas National Auto Sales (378 mi away)
    • Back-up camera
    • Bluetooth
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in San Antonio, TX / 378 miles away from Nash, TX

    $21,500.00 CASH PRICE!! We also finance, down payment as low as $1500.00-with approved credit- contact Texas National Auto Sales for more information.

    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:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 1GKS1FKC2JR287178
    Stock: 287178
    Certified Pre-Owned: No
    Listed since: 12-29-2024

  • New Listing
    $81,763
    fair price
    $1,999 below market
    • 7,382 miles
    • No accidents, personal use only
    • 7 Seats
    • Central Ford (255 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Trumann, AR / 255 miles away from Nash, TX

    ONE OWNER!, JUST SERVICED!, BELOW MARKET AVERAGE MILES!, PRICED BELOW JD POWER CLEAN RETAIL!, PRICED TO SELL!, GREAT DEAL!, APPLE CAR PLAY!, LEATHER!,...

    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: 1GKS2JKT5RR312182
    Stock: G312182T
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • Price Drop
    $37,899
    good price
    $3,347 below market
    • 95,453 miles
    • No accidents, 3 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Superior Nissan of Conway (150 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Conway, AR / 150 miles away from Nash, TX

    Clean CARFAX. White Frost Tricoat 2020 GMC Yukon XL Denali 4D Sport Utility 4WD 10-Speed Automatic with Overdrive EcoTec3 6.2L V8Alloy Wheels, Aluminu...

    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: 1GKS2HKJ7LR139697
    Stock: N4058A
    Certified Pre-Owned: No
    Listed since: 06-19-2025

    • 106,079 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Platinum Auto Group (286 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    Close

    Located in Hutto, TX / 286 miles away from Nash, TX

    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: 1GKS1GKCXKR383003
    Stock: 4614
    Certified Pre-Owned: No
    Listed since: 06-25-2025

  • New Listing
    $27,988
    good price
    $2,253 below market
    • 93,684 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Ferguson Buick GMC (228 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Norman, OK / 228 miles away from Nash, TX

    CARFAX One-Owner.Accident free Carfax, One owner Carfax, Worry Free Driving, Low miles, Non-smoker, 4WD. 2018 4D Sport Utility GMC Yukon XL SLT 4WD ...

    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: 1GKS2GKC5JR371188
    Stock: BS249A
    Certified Pre-Owned: No
    Listed since: 07-08-2025

    • 3,269 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 18 Hwy MPG
    • McAndrews Motors (182 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Arlington, TX / 182 miles away from Nash, TX

    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/18 Highway)

    Listing Information:

    VIN: 1GKS2GKD2RR239641
    Stock: 43399
    Certified Pre-Owned: No

  • New Listing
    • 70,143 miles
    • 1 accident, 1 owner, personal use only
    • 8 Seats, 16 City / 23 Hwy MPG
    • Central Houston Cadillac (271 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Houston, TX / 271 miles away from Nash, TX

    Central Houston Cadillac is proud to present you with another True Market Priced Pre-Owned Vehicle. This 2018 GMC Yukon XL SLT is loaded with the foll...

    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:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 1GKS1GKCXJR205512
    Stock: 26100A
    Certified Pre-Owned: No
    Listed since: 07-08-2025

    • 1,924 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Cavender Buick GMC (368 mi away)
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in San Antonio, TX / 368 miles away from Nash, TX

    2024 Onyx Black GMC Yukon XL Denali 4WD 10-Speed Automatic with Overdrive EcoTec3 6.2L V8Clean CARFAX.4WD, Advanced Security Package, Advanced Technol...

    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: 1GKS2JKL1RR349732
    Stock: RR349732X
    Certified Pre-Owned: No
    Listed since: 03-17-2025

  • New Listing
    $71,000
    good price
    $2,049 below market
    • 6,290 miles
    • No accidents, 1 owner, personal use
    • 7 Seats, 14 City / 18 Hwy MPG
    • Bommarito West County Preowned Center (407 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Ballwin, MO / 407 miles away from Nash, TX

    CARFAX One-Owner. 2023 GMC Yukon XL Denali EcoTec3 6.2L V8 10-Speed Automatic with Overdrive 4WD 4D Sport Utility Summit White 4WD, 14 Speakers, 15" D...

    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: 1GKS2JKLXPR177620
    Stock: P6255
    Certified Pre-Owned: No
    Listed since: 05-24-2025

  • $58,233
    good price
    $2,976 below market
    • 65,508 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 18 Hwy MPG
    • Petrus Buick GMC (164 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Stuttgart, AR / 164 miles away from Nash, TX

    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: 1GKS2JKL5PR280721
    Stock: 9980A
    Certified Pre-Owned: No
    Listed since: 05-18-2025

    • 117,516 miles
    • 1 accident, 1 owner, personal use only
    • 7 Seats, 15 City / 19 Hwy MPG
    • INFINITI of San Antonio (376 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in San Antonio, TX / 376 miles away from Nash, TX

    Grubbs Infiniti is pleased to present you with another Market Priced Pre-Owned Vehicle that has gone through our comprehensive 167 point safety inspec...

    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 (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2HKD7MR363483
    Stock: MR363483
    Certified Pre-Owned: No
    Listed since: 06-11-2025

    • 168,273 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 16 City / 23 Hwy MPG
    • Waxahachie Nissan (174 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Waxahachie, TX / 174 miles away from Nash, TX

    Onyx Black 2018 GMC Yukon XL SLT EcoTec3 5.3L V8 RWD 6-Speed Automatic Electronic with Overdrive2 Years Free Oil Changes. Recent Arrival!

    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:

    19 Combined MPG (16 City/23 Highway)

    Listing Information:

    VIN: 1GKS1GKC5JR397213
    Stock: D679989A
    Certified Pre-Owned: No
    Listed since: 05-07-2025

Showing 778 - 798 out of 1,768 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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