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1,421 listings
  • $53,488
    good price
    $4,009 below market
    • 46,081 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Essential Ford of Stuart (220 mi away)
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Stuart, FL / 220 miles away from Gainesville, FL

    CERTIFIED 10-year 200,000-mile POWERTRAIN WARRANTY (Engine / Transmission) INCLUDED ! ! ! 2021 GMC Yukon XL DENALIRWD 10-Speed Automatic with Overdriv...

    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: 1GKS1JKL4MR280577
    Stock: 25T176A
    Certified Pre-Owned: No
    Listed since: 05-21-2025

  • $42,980
    good price
    $4,196 below market
    • 40,552 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 23 Hwy MPG
    • Lifted Trucks Huntsville (429 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Huntsville, AL / 429 miles away from Gainesville, FL

    Our luxurious One Owner 2020 GMC Yukon XL Denali 4WD with the Ultimate Pack is the pinnacle of SUV prestige in Quicksilver Metallic! Powered by a 6.2 ...

    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: 1GKS1HKJ5LR162477
    Stock: TX04007B
    Certified Pre-Owned: No
    Listed since: 03-30-2025

  • New Listing
    $61,590
    good price
    $4,640 below market
    • 41,715 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 7 Seats, 14 City / 18 Hwy MPG
    • Carvana (In-stock online)
    • Home delivery*
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    Close

    Located in Sacramento, CA / 2,295 miles away from Gainesville, FL

    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 (14 City/18 Highway)

    Listing Information:

    VIN: 1GKS2JKLXPR362265
    Stock: 2003568640
    Certified Pre-Owned: No
    Listed since: 03-18-2025

  • Selling or trading in?

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  • $42,990
    good price
    $3,720 below market
    • 86,744 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 16 City / 20 Hwy MPG
    • Daniels Chevrolet (201 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Swainsboro, GA / 201 miles away from Gainesville, FL

    WHEELS, 22" X 9" INTERIM, TRANSMISSION, 10-SPEED AUTOMATIC electronically controlled with overdrive, includes Traction Select System including tow/hau...

    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: 1GKS1GKD0MR464362
    Stock: SR233586A
    Certified Pre-Owned: No
    Listed since: 06-04-2025

  • $51,396
    good price
    $3,988 below market
    • 93,444 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 19 Hwy MPG
    • Grand Motorcars Kennesaw (324 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Kennesaw, GA / 324 miles away from Gainesville, FL

    Vehicle Overview 4WD, 15"" Diagonal Multi-Color Head-Up Display, 2 Presets For Outside Rearview Mirrors, 3 Years of GMC Connected Services, 3rd Row 60...

    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: 1GKS2JKL7NR109482
    Stock: NR109482
    Certified Pre-Owned: No
    Listed since: 09-17-2024

  • New Listing
    $69,987
    good price
    $5,381 below market
    • 42,042 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats
    • Gettel Chevrolet Buick GMC (193 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Punta Gorda, FL / 193 miles away from Gainesville, FL

    New Arrival! CARFAX 1-Owner! This 2023 GMC Yukon XL Denali, has a great Summit White exterior, and a clean Jet Black interior! This model has many val...

    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: 1GKS2JKT8PR403153
    Stock: G273666A
    Certified Pre-Owned: No
    Listed since: 06-12-2025

  • $17,865
    good price
    $2,390 below market
    • 143,737 miles
    • No accidents, 5 owners, rental vehicle
    • 8 Seats, 15 City / 22 Hwy MPG
    • Auto Deal Xpress (291 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Hallandale, FL / 291 miles away from Gainesville, FL

    At Auto Deal Xpress Inc, we understand that every customer has unique needs whether you re seeking reliable transportation, a work vehicle, or simply ...

    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:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKC8HR393082
    Stock: AD393082
    Certified Pre-Owned: No
    Listed since: 01-22-2025

  • New Listing
    Stock photo**
    $14,990
    great price
    $2,041 below market
    • 180,276 miles
    • 1 accident, 2 owners, personal use only
    • 7 Seats, 14 City / 20 Hwy MPG
    • Tampa Bay Wholesale Cars (126 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Clearwater, FL / 126 miles away from Gainesville, FL

    Welcome Tampa Bay Wholesale Cars is Proud to offer this Stunning 2016 GMC Yukon XL Denali 4WD in Black over Premium Gray Leather for only $14990!!! No...

    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: 1GKS2HKJ3GR160360
    Stock: 160360
    Certified Pre-Owned: No
    Listed since: 05-09-2025

  • Price Drop
    $53,891
    good price
    $3,913 below market
    • 45,657 miles
    • No accidents, 1 owner, rental vehicle
    • 7 Seats, 14 City / 19 Hwy MPG
    • Shottenkirk's Cherokee Chrysler Dodge Jeep Ram (338 mi away)
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    • Third-row seating
    • Upgraded Headlights
    Close

    Located in Canton, GA / 338 miles away from Gainesville, FL

    CARFAX One-Owner. Priced below KBB Fair Purchase Price!Bluetooth, Backup Camera, Yukon XL Denali, 4D Sport Utility, EcoTec3 6.2L V8, 10-Speed Automati...

    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/19 Highway)

    Listing Information:

    VIN: 1GKS1JKL4NR259360
    Stock: PD1268
    Certified Pre-Owned: No
    Listed since: 11-10-2024

  • $21,900
    good price
    $2,814 below market
    • 141,200 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 23 Hwy MPG
    • Drive City (320 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Marietta, GA / 320 miles away from Gainesville, FL

    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: 1GKS1HKJ0JR191074
    Stock: 1899
    Certified Pre-Owned: No
    Listed since: 11-16-2023

  • Price Drop
    $63,650
    good price
    $3,043 below market
    • 11,302 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 20 Hwy MPG
    • Hardy Superstore (323 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Dallas, GA / 323 miles away from Gainesville, FL

    ONE OWNER CAR, CLEAN CAR FAX, ** REARVIEW CAMERA, ** NAVIGATION SYSTEM, ** KEYLESS ENTRY, ** APPLE CARPLAY, ** BLUETOOTH, HANDS-FREE, ** ANDROID AUTO,...

    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/20 Highway)

    Listing Information:

    VIN: 1GKS1GKD2RR127571
    Stock: 43413A
    Certified Pre-Owned: No
    Listed since: 05-18-2025

  • $24,980
    good price
    $2,754 below market
    • 112,989 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 15 City / 22 Hwy MPG
    • Roger Dean Chevrolet (212 mi away)
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Third-row seating
    Close

    Located in Cape Coral, FL / 212 miles away from Gainesville, FL

    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: 1GKS1JKC6LR134907
    Stock: 431025AA
    Certified Pre-Owned: No
    Listed since: 04-24-2025

  • $31,911
    good price
    $3,700 below market
    • 110,639 miles
    • No accidents, 1 owner, corporate fleet vehicle
    • 7 Seats, 14 City / 20 Hwy MPG
    • Capital City Motors (483 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Brandon, MS / 483 miles away from Gainesville, FL

    CAPITAL CITY MOTORS 611 W GOVERNMENT ST BRANDON, MS 39042 6**-8**-3*** www.capcitycars.com Read More

    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/20 Highway)

    Listing Information:

    VIN: 1GKS2HKJ7KR324640
    Stock: 324640
    Certified Pre-Owned: No
    Listed since: 12-15-2024

  • $19,995
    great price
    $2,668 below market
    • 136,998 miles
    • 1 accident, 2 owners, personal use only
    • 8 Seats, 15 City / 22 Hwy MPG
    • TLG Motors (473 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Bristol, TN / 473 miles away from Gainesville, FL

    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: 1GKS2GKC3JR223251
    Stock: 223251
    Certified Pre-Owned: No
    Listed since: 05-29-2025

  • New Listing
    $48,760
    good price
    $3,409 below market
    • 63,019 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 15 City / 19 Hwy MPG
    • O.C. Welch Ford (199 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Hardeeville, SC / 199 miles away from Gainesville, FL

    O C Welch is proud to present you with another True Market Priced Pre-Owned Vehicle. This 2023 GMC Yukon XL SLT is loaded with the following Factory O...

    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: Yes

    Features and Specs:

    16 Combined MPG (15 City/19 Highway)

    Listing Information:

    VIN: 1GKS2GKD0PR176956
    Stock: 176956
    Certified Pre-Owned: No
    Listed since: 05-12-2025

  • New Listing
    $62,998
    fair price
    $1,025 below market
    • 34,850 miles
    • No accidents, 2 owners, personal use only
    • 7 Seats, 14 City / 19 Hwy MPG
    • CarMax (In-stock online)
    • Transfer available from WA to FL*
    • AWD/4WD
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Spokane Valley, WA / 2,225 miles away from Gainesville, FL

    CarMax values transparency and wants you to love your next car, not settle on it. Certain vehicles may have unrepaired safety recalls. Check nhtsa.gov...

    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: 1GKS2JKL4MR342556
    Stock: 26834554
    Certified Pre-Owned: No

  • $17,995
    good price
    $2,228 below market
    • 110,009 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 16 City / 23 Hwy MPG
    • RHI Auto Brokers of Gretna (459 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Gretna, LA / 459 miles away from Gainesville, FL

    Single ownerMint ConditionFactory GPSAvailable Satellite RadioFully LoadedPrimarily highway milesGreat first rideRear seat entertainmentSpotless inter...

    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/23 Highway)

    Listing Information:

    VIN: 1GKS1GKC3GR330750
    Stock: 12125
    Certified Pre-Owned: No
    Listed since: 12-18-2024

  • Price Drop
    $52,395
    good price
    $3,513 below market
    • 72,635 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 19 Hwy MPG
    • Integrity Buick GMC (405 mi away)
    • AWD/4WD
    • Bluetooth
    • Leather Seats
    • Sunroof/Moonroof
    • Keyless Entry/Start
    Close

    Located in Chattanooga, TN / 405 miles away from Gainesville, FL

    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: 1GKS2JKL8NR186426
    Stock: G25213A
    Certified Pre-Owned: No
    Listed since: 05-15-2025

  • Stock photo**
    $32,990
    good price
    $4,062 below market
    • 82,373 miles
    • No accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 21 Hwy MPG
    • Mattingly Motors (468 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    Close

    Located in Metairie, LA / 468 miles away from Gainesville, FL

    4WD.CARFAX One-Owner.Quicksilver Metallic 2018 GMC Yukon XL Denali 4WD 10-Speed Automatic with Overdrive EcoTec3 6.2L V8There's a reason we've been se...

    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: 1GKS2HKJ6JR268530
    Stock: M268530
    Certified Pre-Owned: No
    Listed since: 05-11-2025

  • New Listing
    $24,984
    good price
    $3,357 below market
    • 118,958 miles
    • 2 accidents, 1 owner, personal use only
    • 7 Seats, 14 City / 23 Hwy MPG
    • Chevrolet Buick GMC of Quincy (145 mi away)
    • Back-up camera
    • Bluetooth
    • Navigation
    • Leather Seats
    • Sunroof/Moonroof
    Close

    Located in Quincy, FL / 145 miles away from Gainesville, FL

    Delivers 23 Highway MPG and 14 City MPG! This GMC Yukon XL boasts a Gas V8 6.2L/376 engine powering this Automatic transmission. WHEELS, 22' X 8.5' (5...

    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: 1GKS1HKJ1JR274092
    Stock: 3274092
    Certified Pre-Owned: No
    Listed since: 04-02-2025

  • $17,900
    good price
    $1,523 below market
    • 168,257 miles
    • No accidents, 3 owners, rental vehicle
    • 8 Seats, 15 City / 22 Hwy MPG
    • Trust Motors (58 mi away)
    • AWD/4WD
    • Back-up camera
    • Bluetooth
    • Leather Seats
    • Keyless Entry/Start
    Close

    Located in Jacksonville, FL / 58 miles away from Gainesville, FL

    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:

    18 Combined MPG (15 City/22 Highway)

    Listing Information:

    VIN: 1GKS2GKC2JR338889
    Stock: 338889
    Certified Pre-Owned: No
    Listed since: 05-09-2025

Showing 547 - 567 out of 1,421 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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