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250 listings
    • 81,000 miles
    • No accidents, 3 owners, personal use only
    • 8cyl automatic
    • Precision Auto Sales of NY (36 mi away)
    • AWD/4WD
    • Leather Seats
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Farmingdale, NY / 36 miles away from Bridgeport, CT

    WOW WOW WOW ANOTHER LOW MILEAGE FIND FROM PRECISION AUTO SALES OF NEW YORK!! 2005 YUKON XL DENALI WITH ONLY 81,000 ORIGINAL LOW LOW MILES!! CLEAN CARF...

    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:

    13 Combined MPG (12 City/16 Highway)

    Listing Information:

    VIN: 1GKFK66U26J128684
    Stock: 128684
    Certified Pre-Owned: No
    Listed since: 02-04-2025

  • New Listing
    Stock photo**
    $9,200
    fair price
    $1,363 below market
    • 147,450 miles
    • No accidents, 2 owners, personal use only
    • 8cyl automatic
    • Auto Globe (72 mi away)
    • AWD/4WD
    • Leather Seats
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    Close

    Located in Springfield, MA / 72 miles away from Bridgeport, CT

    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:

    15 Combined MPG (13 City/19 Highway)

    Listing Information:

    VIN: 1GKFK66817J350721
    Stock: 2822
    Certified Pre-Owned: No
    Listed since: 04-27-2025

  • Photos not available
    • 100,000 miles
    • Insurance loss reported, 5 owners, personal use only
    • 8cyl automatic
    • 1800 Auto Approved (30 mi away)
    • AWD/4WD
    • Third-row seating
    • Power Driver Seat
    • Multi-Zone Climate C...
    • Auto Climate Control
    Close

    Located in East Islip, NY / 30 miles away from Bridgeport, CT

    AutoCheck Vehicle History Summary

    Accident Free Vehicle: Yes

    Personal Use Only: Yes

    History Provider: AutoCheck

    Title Details: Issue reported

    Salvage Vehicle: No

    Frame Damage: No

    Theft History: No

    Lemon Status: No

    Free History Report: No

    Features and Specs:

    14 Combined MPG (13 City/17 Highway)

    Listing Information:

    VIN: 1GKFK16Z43J107586
    Stock: P2010A
    Certified Pre-Owned: No
    Listed since: 09-05-2024

    • 135,431 miles
    • No accidents, 1 owner, personal use only
    • 8cyl automatic
    • Greenport Auto (82 mi away)
    • AWD/4WD
    • Third-row seating
    • Power Driver Seat
    • Tire Pressure Warnin...
    • Multi-Zone Climate C...
    Close

    Located in Hudson, NY / 82 miles away from Bridgeport, CT

    = LOADED YUKON = LEATHER INTERIOR = NAVIGATION = SPACIOUS INTERIOR = POWER DRIVER AND PASSENGER SEAT ADJUSTMENTS = HEATED FRONT SEATS = THIRD ROW = RE...

    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: 1GKFK16337J296264
    Stock: 296264
    Certified Pre-Owned: No
    Listed since: 04-03-2025

    • 238,301 miles
    • No accidents, 3 owners, personal use only
    • 8cyl automatic
    • Absolute Motors (73 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Springfield, MA / 73 miles away from Bridgeport, CT

    Financing available for all credit types! All prices and specifications are subject to change without notice. Prices may not include additional fees 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:

    Listing Information:

    VIN: 1GKFK26329R220335
    Stock: Y24-74
    Certified Pre-Owned: No
    Listed since: 09-01-2024

  • $7,999
    great price
    $1,630 below market
    • 192,159 miles
    • No accidents, 1 owner, personal use only
    • 8cyl automatic
    • ATT Motors (100 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Worcester, MA / 100 miles away from Bridgeport, CT

    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:

    15 Combined MPG (13 City/20 Highway)

    Listing Information:

    VIN: 1GKUKMEFXAR229447
    Stock: 10447
    Certified Pre-Owned: No

  • Price Drop
    $8,900
    fair price
    $100 below market
    • 217,506 miles
    • 3 accidents, 4 owners, taxi vehicle
    • 8cyl automatic
    • BM MotorCars (70 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Linden, NJ / 70 miles away from Bridgeport, CT

    Fully Inspected and Detailed, AWD. Lowest market prices guaranteed, no hidden fees, excellent financing rates for every credit situation! Onyx Black A...

    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:

    14 Combined MPG (13 City/18 Highway)

    Listing Information:

    VIN: 1GKS2MEF7CR132183
    Stock: 132183K01
    Certified Pre-Owned: No
    Listed since: 11-22-2024

  • $16,590
    fair price
    $805 above market
    • 94,235 miles
    • 2 accidents, 2 owners, personal use only
    • 8cyl automatic
    • JTL Auto Sales (23 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Selden, NY / 23 miles away from Bridgeport, CT

    Designed to deliver a dependable ride with dazzling design, this 2012 GMC Yukon XL is the total package! This Yukon XL has 94235 miles. It's designed...

    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:

    14 Combined MPG (13 City/18 Highway)

    Listing Information:

    VIN: 1GKS2MEF6CR243131
    Stock: 24-0027
    Certified Pre-Owned: No
    Listed since: 03-20-2024

  • Price Drop
    $12,555
    fair price
    $1,410 above market
    • 156,765 miles
    • 1 accident, 1 owner, personal use only
    • 8cyl automatic
    • Ford of Smithtown (23 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Third-row seating
    Close

    Located in Saint James, NY / 23 miles away from Bridgeport, CT

    Vehicle DetailsExperience the perfect blend of power, luxury, and versatility with this immaculate 2011 GMC Yukon XL 1500 SLT! With an astonishing 0 m...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2KE31BR284582
    Stock: U16075
    Certified Pre-Owned: No
    Listed since: 04-18-2025

  • $9,900
    good price
    $1,735 below market
    • 138,462 miles
    • 2 accidents, 4 owners, personal use only
    • 8cyl automatic
    • Papa's Dodge Jeep Chrysler Ram (39 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in New Britain, CT / 39 miles away from Bridgeport, CT

    *** Attention: Wholesale Vehicle. Sold AS-IS; no warranty. Currently not road-ready so buyer pays for inspection & desired repairs. Lot test drive. Ca...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2KE7XCR255974
    Stock: N63806B
    Certified Pre-Owned: No
    Listed since: 04-15-2025

  • New Listing
    • 165,964 miles
    • No accidents, 4 owners, personal use only
    • 8cyl automatic
    • Driveway (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Roseburg, OR / 2,530 miles away from Bridgeport, CT

    CarFax No Accidents Reported,Rare Find,3rd Row Seat,Back-Up Camera,Entertainment System,Heated Seats,Heated Steering Wheel,Leather Seats,Navigation Sy...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2KE70CR181819
    Stock: 29044F
    Certified Pre-Owned: No

  • $24,978
    great price
    $7,052 below market
    • 108,540 miles
    • No accidents, 2 owners, personal use
    • 8cyl automatic
    • Mercedes-Benz of Wappingers Falls (48 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Third-row seating
    • Power Driver Seat
    Close

    Located in Wappingers Falls, NY / 48 miles away from Bridgeport, CT

    Clean CARFAX. Satin Steel Metallic 2019 GMC Yukon XL SLE 4D Sport Utility 4WD EcoTec3 5.3L V8 4WD, 20" x 9" Polished Aluminum Wheels, 3.42 Rear Axle R...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2FKC8KR377109
    Stock: U4361T
    Certified Pre-Owned: No
    Listed since: 03-08-2025

  • New Listing
    $21,652
    great price
    $3,150 below market
    • 112,570 miles
    • No accidents, 2 owners, rental vehicle
    • 8cyl automatic
    • Lynnes Nissan City (61 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Bloomfield, NJ / 61 miles away from Bridgeport, CT

    This 2019 GMC Yukon XL has passed the Lynnes comprehensive 172 point inspection with flying colors. Our ASE certified technicians have inspected this ...

    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 (14 City/21 Highway)

    Listing Information:

    VIN: 1GKS2GKC2KR377211
    Stock: E8131A
    Certified Pre-Owned: No
    Listed since: 03-14-2025

  • $58,695
    great price
    $16,418 below market
    • 54,228 miles
    • No accidents, 1 owner, personal use only
    • 8cyl automatic
    • Automotive Avenues (84 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Wall, NJ / 84 miles away from Bridgeport, CT

    Just arrived is this cargo-cavernous & relaxed riding, NO-ACCIDENT, ONE-OWNER, NONSMOKER 2022 GMC Yukon XL Denali 4x4! This three row, full-size SUV b...

    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: 1GKS2JKL1NR117531
    Stock: 52122
    Certified Pre-Owned: No
    Listed since: 01-30-2025

  • $6,999
    great price
    $3,235 below market
    • 189,661 miles
    • No accidents, 2 owners, rental vehicle
    • 8cyl automatic
    • Stop & Drive Auto Sales (56 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Third-row seating
    Close

    Located in East Windsor, CT / 56 miles away from Bridgeport, CT

    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:

    17 Combined MPG (15 City/21 Highway)

    Listing Information:

    VIN: 1GKS2KE78DR322802
    Stock: 322802
    Certified Pre-Owned: No
    Listed since: 04-10-2025

  • $7,699
    great price
    $3,240 below market
    • 198,113 miles
    • No accidents, 3 owners, personal use
    • 8cyl automatic
    • The Auto Exchange (93 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Lakewood, NJ / 93 miles away from Bridgeport, CT

    CALL TODAY 732-367-DEAL (3325) KNOW WHO YOUR BUYING FROM. THERE IS A DIFFERENCE!!! and that's NO BULLWWW.NOBULLAUTO.COMCLEAN CARFAX, LOTS OF SERVICE R...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2KE73DR197840
    Stock: RS24922
    Certified Pre-Owned: No
    Listed since: 09-28-2024

  • Price Drop
    $44,489
    great price
    $9,996 below market
    • 94,389 miles
    • No accidents, 2 owners, personal use
    • 8cyl automatic
    • Romeo Chevrolet Buick GMC (70 mi away)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Lake Katrine, NY / 70 miles away from Bridgeport, CT

    Romeo GM Center Proudly presents this 2021 GMC Yukon XL with Advanced Security Package (Glass Breakage Sensor, Theft-Deterrent Alarm System, Vehicle 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/19 Highway)

    Listing Information:

    VIN: 1GKS2JKL5MR174538
    Stock: 24957B
    Certified Pre-Owned: No
    Listed since: 03-03-2025

  • Price Drop
    $32,695
    great price
    $5,576 below market
    • 66,965 miles
    • No accidents, 3 owners, personal use
    • 8cyl automatic
    • Driveway (52 mi away)
    • Home delivery*
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Ramsey, NJ / 52 miles away from Bridgeport, CT

    CarFax No Accidents Reported,Rare Find,3rd Row Seat,Apple CarPlay,Back-Up Camera,Blind Spot Monitor,Bluetooth,Brake Assist,Chrome Wheels,Hands-Free Li...

    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/21 Highway)

    Listing Information:

    VIN: 1GKS2HKJ4JR116004
    Stock: T25794P
    Certified Pre-Owned: No

  • $66,794
    good price
    $4,442 below market
    • 16,133 miles
    • No accidents, 2 owners, corporate fleet vehicle
    • 8cyl automatic
    • Empire Nissan of Bay Ridge (59 mi away)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Brooklyn, NY / 59 miles away from Bridgeport, CT

    Onyx Black 2023 GMC Yukon XL Denali 4WD 10-Speed Automatic with Overdrive EcoTec3 6.2L V8 4WD.Recent Arrival! Odometer is 13314 miles below market ave...

    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 (14 City/18 Highway)

    Listing Information:

    VIN: 1GKS2JKL4PR173773
    Stock: UN4202A
    Certified Pre-Owned: No
    Listed since: 03-15-2025

  • $17,995
    great price
    $3,635 below market
    • 135,000 miles
    • 1 accident, 3 owners, personal use only
    • 8cyl automatic
    • A Better Way Wholesale Autos (24 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Naugatuck, CT / 24 miles away from Bridgeport, CT

    - Command the road with the powerful EcoTec3 6.2L V8 engine delivering 420hp and 460ft. lbs. of torque. - Enjoy premium comfort with leather interior...

    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: 1GKS2JKJ0FR736735
    Stock: 736735N
    Certified Pre-Owned: No

  • Stock photo**
    • 113,271 miles
    • 2 accidents, 1 owner, personal use only
    • 8cyl automatic
    • Nielsen Ford of Morristown (73 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Morristown, NJ / 73 miles away from Bridgeport, CT

    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:

    14 Combined MPG (13 City/18 Highway)

    Listing Information:

    VIN: 1GKS2MEF0ER109699
    Stock: V5177A
    Certified Pre-Owned: No
    Listed since: 04-10-2025

Showing 1 - 21 out of 250 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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