The 2006 GMC Yukon XL is a full-size SUV known for its spacious interior and robust capability. Belonging to the second generation of the Yukon, which ran from 2000 to 2006, the XL variant offered extended length for even more cargo and passenger room. Key trims typically included SLE and SLT. At its release, pricing generally ranged from the mid-$40,000s to over $50,000. Its popularity stemmed from its truck-like towing capacity, comfortable ride, and ability to haul large families and their gear.
The Good
The 2006 GMC Yukon XL boasts impressive towing power, a smooth and comfortable ride for long journeys, and a spacious cabin that appeals to families. Its substantial presence and commanding view of the road offer a sense of security, while its robust engineering provides practical reliability for daily use and adventure.
The Bad
Potential buyers should be aware of the Yukon XL's significant thirst for fuel, which can be a major drawback. Other common concerns include transmission issues, particularly with higher mileage, and potential for rust on the undercarriage and wheel wells, especially in rust-prone climates.
2006 GMC Yukon XL: Quick Overview
- Engine Options:
The 2006 GMC Yukon XL was offered with two primary engine options:- 4.8L V8 (standard on SLE)
- 5.3L V8 (standard on SLT, optional on SLE)
- 6.0L V8 (optional on Denali, though Denali was a specific trim level, not a standard Yukon XL trim)
- Horsepower:
- 4.8L V8: Approximately 285 hp
- 5.3L V8: Approximately 295 hp
- 6.0L V8: Approximately 325 hp
- Fuel Economy (Estimated EPA):
- 4.8L V8 (2WD): 13 MPG city / 17 MPG highway
- 5.3L V8 (2WD): 14 MPG city / 18 MPG highway
- 5.3L V8 (4WD): 14 MPG city / 17 MPG highway
- Note: Fuel economy figures are estimates and can vary based on driving conditions and specific configurations. These are for the standard wheelbase Yukon, XL models might be slightly lower due to weight.
- 0-60 Times (Estimated):
Approximately 7.5 to 9.5 seconds, depending on engine and drivetrain. - Towing Capacity:
The Yukon XL generally offered robust towing capabilities, often rated up to 8,000 to 9,000+ lbs when properly equipped with the towing package. - Trim-Level Features:
- SLE (Standard):
Cloth upholstery, power windows and locks, cruise control, AM/FM stereo with CD player, automatic climate control, 17-inch wheels, available third-row seating. - SLT (Upgraded):
Leather upholstery, heated front seats, power-adjustable pedals, dual-zone automatic climate control, steering wheel audio controls, optional Bose premium sound system, available sunroof, more advanced driver aids. - Denali (Premium - effectively a separate model often based on the XL platform):
Unique badging and styling, premium leather, heated second-row seats, navigation system, advanced infotainment features, and often the larger 6.0L V8 engine.
- SLE (Standard):
2006 GMC Yukon XL Specifications
Vehicle Information
| Year | 2006 |
| Make | GMC |
| Model | Yukon XL |
| Trim | - |
| Style | - |
| Type | Wagon |
| Category | Minivan Medium Truck |
Manufacturing Details
| Made In | Mexico |
| Manufacturing City | JANESVILLE |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | L18 |
| Engine Size | 5.3L |
| Engine Cylinders | 8 |
| Transmission | Automatic 4-Speed |
| Transmission Type | Automatic |
| Transmission Speeds | 4-Speed |
| Drivetrain | Four-Wheel Drive |
Additional Features
| Anti-Brake System | - |
| Steering Type | - |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | - |
| Invoice Price | - |
| Delivery Charges | - |
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What Problems Does the 2006 GMC Yukon XL Have?
The 2006 GMC Yukon XL, like many large SUVs of its era, has a history of certain recurring issues. One of the most frequently reported problems is related to the transmission. While not all transmissions fail, many owners report issues such as slipping gears, rough shifting, or complete failure, especially as the vehicle accumulates mileage. This is a significant concern for potential buyers as transmission repairs can be very costly.
Another common area of concern is the fuel pump. Failures can lead to the engine not starting or stalling unexpectedly, often leaving drivers stranded. Related to the fuel system, some owners have reported issues with the fuel level sensor, leading to inaccurate readings on the fuel gauge.
Engine performance can also be affected by issues like intake manifold leaks and, in some cases, piston slap, particularly on the 5.3L V8 engine. While piston slap might not always lead to immediate operational problems, it can be an annoyance and a sign of potential long-term wear.
Brake wear is another aspect that owners often note, with pads and rotors needing replacement more frequently than in some other vehicles due to the Yukon XL's substantial weight. Suspension components, such as ball joints and bushings, can also wear out over time, leading to clunking noises and degraded handling.
Regarding recalls for the 2006 model year, specific issues have been addressed. For instance, there have been recalls concerning the power steering system, where leaks could lead to a fire risk. Another recall addressed potential issues with the front passenger seat detecting system, which could impact airbag deployment.
Long-term reliability is often dependent on rigorous maintenance. Vehicles that have not been regularly serviced may exhibit more of these problems. However, even well-maintained examples can fall victim to some of the inherent weaknesses of the platform, particularly transmission and fuel system components. Model year specific issues are less pronounced for 2006 as it was part of a generation where many common issues were already identified.
Another common area of concern is the fuel pump. Failures can lead to the engine not starting or stalling unexpectedly, often leaving drivers stranded. Related to the fuel system, some owners have reported issues with the fuel level sensor, leading to inaccurate readings on the fuel gauge.
Engine performance can also be affected by issues like intake manifold leaks and, in some cases, piston slap, particularly on the 5.3L V8 engine. While piston slap might not always lead to immediate operational problems, it can be an annoyance and a sign of potential long-term wear.
Brake wear is another aspect that owners often note, with pads and rotors needing replacement more frequently than in some other vehicles due to the Yukon XL's substantial weight. Suspension components, such as ball joints and bushings, can also wear out over time, leading to clunking noises and degraded handling.
Regarding recalls for the 2006 model year, specific issues have been addressed. For instance, there have been recalls concerning the power steering system, where leaks could lead to a fire risk. Another recall addressed potential issues with the front passenger seat detecting system, which could impact airbag deployment.
Long-term reliability is often dependent on rigorous maintenance. Vehicles that have not been regularly serviced may exhibit more of these problems. However, even well-maintained examples can fall victim to some of the inherent weaknesses of the platform, particularly transmission and fuel system components. Model year specific issues are less pronounced for 2006 as it was part of a generation where many common issues were already identified.
How long will the 2006 GMC Yukon XL last?
Based on owner data and maintenance habits, a 2006 GMC Yukon XL, if properly maintained, can realistically reach 200,000 to 250,000 miles or more. Many owners report them lasting well into the third 100,000 miles. The long-term durability is aided by its robust truck-based chassis and generally stout engine options. However, weaknesses emerge over time, with the transmission being a primary concern, often requiring a rebuild or replacement around the 150,000 to 200,000-mile mark. Fuel pumps and suspension components also tend to be wear items that will likely need attention. Neglecting regular fluid changes and proactive maintenance significantly reduces its lifespan. Those who prioritize regular servicing, especially for the transmission and drivetrain, can enjoy many years of service from this capable SUV.
What Technology & Safety Features are Included?
The 2006 GMC Yukon XL offered a decent, though not cutting-edge by today's standards, suite of technology and safety features for its time. Standard tech included an AM/FM stereo with a CD player, power windows and door locks, and cruise control. Higher trims, particularly the SLT and the premium Denali, could be equipped with more advanced options. These included a Bose premium sound system, which offered improved audio quality.
For entertainment and convenience, an optional in-dash DVD player and rear-seat entertainment system with a drop-down screen was available, a significant luxury for families on road trips. Dual-zone automatic climate control was also a notable feature on higher trims, allowing front and rear passengers to set their preferred temperatures independently. Some models could also be found with a navigation system, though this was a less common option and would be considered basic by modern standards.
In terms of driver-assistance features, the 2006 Yukon XL was relatively basic. Rear parking assist sensors were available, which would emit audible warnings when backing up near obstacles. Stability control (often branded as StabiliTrak) was becoming more common and was available on many models, helping to prevent loss of control during sudden maneuvers.
Safety was a priority, with standard features including multi-stage front airbags and available side-impact airbags for the front seats. Anti-lock braking system (ABS) was standard on all models.
Crash-test ratings for the 2006 GMC Yukon XL were generally respectable for its era. The National Highway Traffic Safety Administration (NHTSA) awarded it four out of five stars in frontal driver and passenger crash tests. Side-impact crash tests also yielded good results, with the vehicle earning four stars for the front and rear passengers. The Insurance Institute for Highway Safety (IIHS) gave it an "Acceptable" rating in frontal offset crash tests.
For entertainment and convenience, an optional in-dash DVD player and rear-seat entertainment system with a drop-down screen was available, a significant luxury for families on road trips. Dual-zone automatic climate control was also a notable feature on higher trims, allowing front and rear passengers to set their preferred temperatures independently. Some models could also be found with a navigation system, though this was a less common option and would be considered basic by modern standards.
In terms of driver-assistance features, the 2006 Yukon XL was relatively basic. Rear parking assist sensors were available, which would emit audible warnings when backing up near obstacles. Stability control (often branded as StabiliTrak) was becoming more common and was available on many models, helping to prevent loss of control during sudden maneuvers.
Safety was a priority, with standard features including multi-stage front airbags and available side-impact airbags for the front seats. Anti-lock braking system (ABS) was standard on all models.
Crash-test ratings for the 2006 GMC Yukon XL were generally respectable for its era. The National Highway Traffic Safety Administration (NHTSA) awarded it four out of five stars in frontal driver and passenger crash tests. Side-impact crash tests also yielded good results, with the vehicle earning four stars for the front and rear passengers. The Insurance Institute for Highway Safety (IIHS) gave it an "Acceptable" rating in frontal offset crash tests.
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2006 GMC Yukon XL Prices and Market Value
When new, the 2006 GMC Yukon XL had an original MSRP that typically ranged from approximately $45,000 for a base SLE model to well over $55,000 for a loaded SLT or Denali trim, before options and destination fees. Like most large, truck-based SUVs, the Yukon XL experienced significant depreciation in its initial years.
Currently, on the used market, the 2006 GMC Yukon XL can be found for anywhere from $3,000 to $8,000, depending heavily on mileage, condition, trim level, and location. Well-maintained examples with lower mileage and desirable options like the 5.3L V8 engine can command prices at the higher end of this spectrum. Factors significantly affecting resale value include the overall condition of the vehicle, especially the state of the transmission and engine, the presence of rust, documented maintenance history, and the specific trim level. Higher mileage and known mechanical issues will drastically reduce its value.
Currently, on the used market, the 2006 GMC Yukon XL can be found for anywhere from $3,000 to $8,000, depending heavily on mileage, condition, trim level, and location. Well-maintained examples with lower mileage and desirable options like the 5.3L V8 engine can command prices at the higher end of this spectrum. Factors significantly affecting resale value include the overall condition of the vehicle, especially the state of the transmission and engine, the presence of rust, documented maintenance history, and the specific trim level. Higher mileage and known mechanical issues will drastically reduce its value.
2006 GMC Yukon XL Cost of Ownership
Owning a 2006 GMC Yukon XL is generally considered costly, primarily due to its fuel consumption. The V8 engines, while powerful, are thirsty, leading to high fuel bills. Insurance costs are moderate to high, reflecting its large size and V8 engine. Routine maintenance is comparable to other large SUVs, but repairs, especially for known issues like transmissions or complex electrical components, can be expensive. Parts are generally available, but specialized labor can add up. While it offers utility and comfort, its economic performance is poor; long-term ownership costs are dominated by fuel and potential major repair expenses.
2006 GMC Yukon XL Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2006 GMC Yukon XL Safety Rating
NHTSA
2006 GMC Yukon XL Recalls & Defects
Engine and Engine Cooling
Recall date
2006-08-03
Recall no.
06v289000
Source
NHTSA
Summary
ON Certain Trucks Equipped With AN 8.1l V8 (Rpo L8-Vin G) Engine Have A Condition IN Which THE Engine Fuel Rail Pulse Damper Retainer Clip MAY Fracture Resulting IN Inadequate Retention OF THE Damper.
Consequence
IF THE Damper Comes Loose, A Fuel Leak MAY Result. Fuel Leakage, IN THE Presence OF AN Ignition Source, Could Result IN A Fire.
Remedy
Dealers Will Replace THE Engine Fuel Rail Pulse Damper Retainer Clip Free OF Charge. THE Recall Began ON August 31, 2006. Owners MAY Contact Chevrolet AT 1-800-630-2438 and GMC Trucks AT 1-866-996-9463.
Notes
GM Recall NO. 06080.customers MAY Also Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Http://Www.safercar.gov.
Equipment:other:labels
Recall date
2005-12-07
Recall no.
05v552000
Source
NHTSA
Summary
Certain Trucks and Sport Utility Vehicles Fail TO Conform TO THE Requirements OF Federal Motor Vehicle Safety Standard NO. 110, "tire Selection and Rims." These Vehicles Were Shipped With Tire and Loading Information Labels Listing AN Inacccurate Vehicle Capacity Weight.
Consequence
A Misprinted Label Could Lead TO Improper Vehicle Loading Specifications or Tire Inflation Which Could Result IN A Tire Failure, Increasing THE Risk OF A Crash.
Remedy
Owners Will BE Provided With Corrected Labels and Installation Instructions. AT THE Customer's Option, A Dealer CAN Install THE Label FOR Them. THE Recall Began ON March 31, 2006. Owners MAY Contact Buick AT 1-866-608-8080, Cadillac AT 1-866-982-2339, Chevrolet AT 1-800-630-2438, GMC AT 1-866-996-9463, Hummer AT 1-800-732-5493, Pontiac AT 1-800-620-7668, Saturn AT 1-800-972-8876, or Isuzu AT 1-800-255-6727.
Notes
GM Recall NO. 05109.customers MAY Also Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty 1-800-424-9153), or GO TO Http://Www.safercar.gov.
Wheels:hub
Recall date
2007-12-17
Recall no.
07e106000
Source
NHTSA
Summary
Certain Federal-Mogul Replacement Wheel HUB Assemblies With THE Brand Names: National, Carquest P/Nos. 515020, 515021, 515025, 515053, 515054, 515059, and 515060, Shipped Between January 23, 2006, and December 20, 2007, Sold FOR Light Duty and Medium Duty Trucks. THE Inboard Retention NUT Used TO Maintain HUB Bearing Assembly CAN Loosen Resulting IN AN ABS Light Indication, Noise, And/Or Wheel Separation.
Consequence
Wheel Separation CAN Result IN A Vehicle Crash.
Remedy
Federal-Mogul Will Notify Customers and Will Replace THE HUB Assembly Free OF Charge. THE Recall Began ON February 7, 2008. Owners CAN Contact Federal-Mogul Toll-free AT 877-489-6659.
Notes
This Recall Only Pertains TO Replacement National, Carquest Wheel HUB Assemblies and HAS NO Relation TO ANY Original Equipment Installed ON Vehicles Manufactured BY General Motors or Ford.customers MAY Contact THE National Highway Traffic Safety Administration's Vehicle Safety Hotline AT 1-888-327-4236 (Tty: 1-800-424-9153); or GO TO Http://Www.safercar.gov.
2006 GMC Yukon XL Insurance
Insurance for a 2006 GMC Yukon XL is moderately priced, reflecting its status as a Wagon with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2006 GMC Yukon XL Compare to Other Wagon?
The 2006 GMC Yukon XL competed directly with other large, body-on-frame SUVs like the Chevrolet Suburban (its platform sibling), Ford Expedition EL, and Toyota Sequoia.
Performance: In terms of raw power and towing, the Yukon XL with its available V8 engines, particularly the 5.3L and 6.0L, offered strong performance comparable to the Expedition EL and generally surpassed the Sequoia in towing capability. The Suburban offered very similar performance.
Features: Feature-wise, the Yukon XL was competitive for its era, especially in SLT and Denali trims, offering leather, premium audio, and rear-seat entertainment. The Ford Expedition EL also provided a well-appointed interior and good features. The Toyota Sequoia, while not as large as the XL variants, often boasted a slightly more refined interior feel and robust build quality, though its third-row seating was less spacious than the Yukon XL.
Reliability: Reliability is where the rivals often diverged. The Toyota Sequoia generally stands out with superior long-term reliability and fewer major mechanical issues reported compared to its American counterparts. While the Yukon XL and Suburban offered robust engines, their transmissions and other components could be more prone to issues. The Ford Expedition EL had its own set of potential problems, including transmission and suspension concerns, though often considered competitive.
Price: When new, pricing was competitive, with all these vehicles occupying the higher end of the SUV market. Used, the 2006 Yukon XL typically sits at a lower price point than a comparable Toyota Sequoia, reflecting the difference in perceived reliability and brand reputation. The Expedition EL often falls into a similar price bracket as the Yukon XL.
Alternatives:
Performance: In terms of raw power and towing, the Yukon XL with its available V8 engines, particularly the 5.3L and 6.0L, offered strong performance comparable to the Expedition EL and generally surpassed the Sequoia in towing capability. The Suburban offered very similar performance.
Features: Feature-wise, the Yukon XL was competitive for its era, especially in SLT and Denali trims, offering leather, premium audio, and rear-seat entertainment. The Ford Expedition EL also provided a well-appointed interior and good features. The Toyota Sequoia, while not as large as the XL variants, often boasted a slightly more refined interior feel and robust build quality, though its third-row seating was less spacious than the Yukon XL.
Reliability: Reliability is where the rivals often diverged. The Toyota Sequoia generally stands out with superior long-term reliability and fewer major mechanical issues reported compared to its American counterparts. While the Yukon XL and Suburban offered robust engines, their transmissions and other components could be more prone to issues. The Ford Expedition EL had its own set of potential problems, including transmission and suspension concerns, though often considered competitive.
Price: When new, pricing was competitive, with all these vehicles occupying the higher end of the SUV market. Used, the 2006 Yukon XL typically sits at a lower price point than a comparable Toyota Sequoia, reflecting the difference in perceived reliability and brand reputation. The Expedition EL often falls into a similar price bracket as the Yukon XL.
Alternatives:
- Similar: The Chevrolet Suburban is virtually identical mechanically and offers the same core strengths and weaknesses.
- Better (for reliability): The Toyota Sequoia is a strong alternative if long-term reliability is the absolute top priority, though it sacrifices some cargo space compared to the XL variants.
- Consideration: For those prioritizing fuel efficiency and a more car-like driving experience, exploring large crossovers like the Ford Flex or Toyota Highlander might be worthwhile, though they cannot match the towing capacity or ruggedness of the Yukon XL.
Final Verdict: Is the 2006 GMC Yukon XL a Good Wagon?
The 2006 GMC Yukon XL is ideal for families needing substantial passenger and cargo space, or for individuals requiring serious towing capability for boats, trailers, or RVs. It offers a comfortable ride for long distances and a commanding presence on the road. Given its age and potential for costly repairs, buying one new is not an option, and purchasing used requires significant caution.
It is worth buying only if you are a mechanically inclined individual or have a trusted mechanic who can thoroughly inspect it, especially the transmission and drivetrain. A well-documented maintenance history is crucial. Focus on lower-mileage examples, preferably with the 5.3L V8 engine, and be prepared for higher fuel costs and potential repair expenses. For those who can find a well-maintained unit at a fair price and are aware of its drawbacks, the Yukon XL can still offer great utility and value for its purpose.
It is worth buying only if you are a mechanically inclined individual or have a trusted mechanic who can thoroughly inspect it, especially the transmission and drivetrain. A well-documented maintenance history is crucial. Focus on lower-mileage examples, preferably with the 5.3L V8 engine, and be prepared for higher fuel costs and potential repair expenses. For those who can find a well-maintained unit at a fair price and are aware of its drawbacks, the Yukon XL can still offer great utility and value for its purpose.
Eugene S
Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.