The 2008 GMC Yukon XL is a full-size, extended-wheelbase SUV, part of GM's third generation GMT900 platform, sharing its robust underpinnings with the Chevrolet Suburban. Available in SLE, SLT, and luxury Denali trims, it offered a new price range of approximately $38,000 to $57,000. It stands out for its immense passenger and cargo capacity, strong towing capabilities, and a more refined, upscale presence compared to its Chevy counterpart, making it a popular choice for large families and those requiring serious utility.
The Good
The 2008 GMC Yukon XL offers powerful V8 performance, substantial towing capacity, and a remarkably comfortable, spacious cabin. Its commanding design appeals emotionally, while its practical advantages include vast cargo space for large families and gear, a smooth ride, and good used value for the utility it provides, despite average fuel economy for its class.
The Bad
Potential weaknesses for the 2008 GMC Yukon XL include its significant fuel consumption and widely reported Active Fuel Management (AFM) system issues, which can lead to excessive oil consumption and engine problems. Interior plastics, particularly the dashboard, are prone to cracking, and some owners report transmission longevity concerns, requiring careful inspection.
2008 GMC Yukon XL: Quick Overview
- Engine Options:
- 5.3L Vortec V8 with Active Fuel Management (AFM) (Standard on SLE, SLT)
- 6.0L Vortec V8 with Hybrid technology (Available on specific Hybrid models)
- 6.2L Vortec V8 (Standard on Denali) - Horsepower:
- 5.3L V8: 320 horsepower
- 6.0L Hybrid V8: 332 horsepower (combined)
- 6.2L V8: 380 horsepower - Fuel Economy (EPA estimates):
- 5.3L V8 RWD: 14 city / 20 highway MPG
- 5.3L V8 4WD: 14 city / 19 highway MPG
- 6.0L Hybrid V8: 20 city / 20 highway MPG
- 6.2L V8 AWD (Denali): 12 city / 18 highway MPG - 0-60 Times:
- Approximately 7.5 to 8.5 seconds, depending on engine and drivetrain. The 6.2L Denali being the quickest. - Towing Capacity:
- Up to 8,200 pounds (with proper equipment, varies by configuration) - Trim-Level Features:
- SLE: The base trim, offering a solid foundation with cloth seating, power windows and locks, cruise control, a manual climate control system, and a basic AM/FM/CD audio system. Available in RWD or 4WD.
- SLT: Adds more luxury and convenience, including leather-appointed seating, tri-zone automatic climate control, an upgraded Bose premium sound system, heated front seats, power-adjustable pedals, power liftgate, remote vehicle start, and rear parking assist. Many features like navigation and a rear-seat entertainment system were optional.
- Denali: The top-tier luxury trim features a distinctive chrome grille and exclusive exterior styling. It comes standard with the more powerful 6.2L V8 engine, all-wheel drive (AWD), Magnetic Ride Control for enhanced ride quality, heated and cooled front seats, heated second-row seats, a navigation system, power-retractable running boards, and an extensive list of other premium amenities.
2008 GMC Yukon XL Specifications
Vehicle Information
| Year | 2008 |
| Make | GMC |
| Model | Yukon XL |
| Trim | - |
| Style | - |
| Type | Sport Utility Vehicle |
| Category | Standard Sport Utility Vehicle |
Manufacturing Details
| Made In | United States |
| Manufacturing City | ROANOKE |
Dimensions
| Doors | 4-Door |
| Curb Weight | 5838 pounds |
| Gross Vehicle Weight Rating | 7400 pounds |
| Overall Height | 77.10 inches |
| Overall Length | 222.40 inches |
| Overall Width | 79.10 inches |
| Wheelbase Length | 130.00 inches |
| Standard Seating | 7 |
Engine & Performance
| Engine | 6.2L V8 OHV 16V |
| Engine Size | 6.2L |
| Engine Cylinders | 8 |
| Transmission | 6-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 6-Speed |
| Drivetrain | Four-Wheel Drive |
Additional Features
| Anti-Brake System | 4-Wheel ABS |
| Steering Type | Rack & Pinion |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $52,175 |
| Invoice Price | $47,740 |
| Delivery Charges | $900 |
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What Problems Does the 2008 GMC Yukon XL Have?
The 2008 GMC Yukon XL, while generally robust, is known for several frequently reported problems and long-term reliability concerns. A prominent issue, especially with the 5.3L V8 engine, is the Active Fuel Management (AFM) system. This system can lead to excessive oil consumption due to faulty lifters and piston rings, eventually causing engine misfires, rough idling, and in severe cases, catastrophic engine failure. This is a common concern across many GM trucks and SUVs from this era, including the 2008 model year.
Another common complaint revolves around the interior, specifically the dashboard. Cracks frequently develop, particularly around the passenger airbag area and instrument cluster, which is an aesthetic flaw but not a mechanical one. HVAC blend door actuators are also known to fail, leading to inconsistent temperature control or air flow issues. Power window regulators can also become problematic over time, requiring replacement.
Transmission longevity, primarily with the 4L60E and 4L70E automatic transmissions, can be a concern, especially in vehicles that have seen heavy towing or lack consistent fluid maintenance. Owners may experience hard shifts, slipping, or eventual failure, necessitating a rebuild or replacement. Rust on the frame and undercarriage components can also be an issue in regions with harsh winters or salted roads. Electrical gremlins, such as issues with the gauge cluster or various sensors, are occasionally reported.
Regarding recalls, it's crucial for prospective owners to check the NHTSA database using the VIN, as recalls can vary. Common recalls for this generation and model year might include issues related to the airbag inflators (e.g., Takata recalls), steering components, or brake system issues. Staying informed about these potential problems and addressing them proactively is key to long-term reliability.
Another common complaint revolves around the interior, specifically the dashboard. Cracks frequently develop, particularly around the passenger airbag area and instrument cluster, which is an aesthetic flaw but not a mechanical one. HVAC blend door actuators are also known to fail, leading to inconsistent temperature control or air flow issues. Power window regulators can also become problematic over time, requiring replacement.
Transmission longevity, primarily with the 4L60E and 4L70E automatic transmissions, can be a concern, especially in vehicles that have seen heavy towing or lack consistent fluid maintenance. Owners may experience hard shifts, slipping, or eventual failure, necessitating a rebuild or replacement. Rust on the frame and undercarriage components can also be an issue in regions with harsh winters or salted roads. Electrical gremlins, such as issues with the gauge cluster or various sensors, are occasionally reported.
Regarding recalls, it's crucial for prospective owners to check the NHTSA database using the VIN, as recalls can vary. Common recalls for this generation and model year might include issues related to the airbag inflators (e.g., Takata recalls), steering components, or brake system issues. Staying informed about these potential problems and addressing them proactively is key to long-term reliability.
How long will the 2008 GMC Yukon XL last?
With diligent maintenance, many 2008 GMC Yukon XLs can easily achieve 200,000 to 250,000 miles, with numerous examples exceeding 300,000 miles. Its body-on-frame construction and robust V8 engines contribute to strong long-term durability of major components. However, weaknesses emerge over time. The infamous Active Fuel Management (AFM) system on the 5.3L V8 often becomes problematic around 100,000-150,000 miles, requiring costly repairs or disabling. Transmissions, while generally reliable, can wear out if not serviced, particularly with heavy use. Suspension components like shocks and bushings will eventually need replacement. Rust can become a significant issue on frames and body panels in colder climates. Consistent fluid changes, proactive attention to AFM, and addressing rust early are crucial for maximizing its impressive service life.
What Technology & Safety Features are Included?
The 2008 GMC Yukon XL offered a solid array of built-in technology, entertainment, and safety features for its time, though it predates many modern advanced driver-assistance systems. Standard entertainment across trims included an AM/FM stereo with a CD/MP3 player, often with an auxiliary input jack. Higher trims like the SLT and Denali featured an upgraded Bose premium audio system, providing superior sound quality. Optional entertainment systems included a DVD-based navigation unit with a touchscreen interface and a rear-seat DVD entertainment system, complete with flip-down screens and wireless headphones, ideal for long family trips. OnStar telematics system was also integrated, offering emergency services, turn-by-turn navigation, and vehicle diagnostics.
In terms of driver-assistance, the 2008 Yukon XL was more modest. Rear parking assist, using ultrasonic sensors in the bumper to alert drivers to obstacles, was standard on SLT and Denali trims and optional on the SLE. A rearview camera was available as an option, primarily integrated into the navigation display, aiding in parking and hitching trailers. Advanced features like adaptive cruise control, lane-keeping assist, or blind-spot monitoring were not available in this model year.
Safety was a strong point for the Yukon XL. Standard safety features included dual-stage frontal airbags for the driver and front passenger, and head curtain side-impact airbags covering all three rows of seats. Four-wheel anti-lock brakes (ABS) were standard, as was GM's StabiliTrak electronic stability control system with proactive roll avoidance and traction control, which significantly enhances vehicle stability in adverse conditions. Tire pressure monitoring was also standard.
Crash-test ratings from the National Highway Traffic Safety Administration (NHTSA) were generally impressive: The 2008 GMC Yukon XL received 5 out of 5 stars for frontal crash protection for both driver and passenger, and 5 out of 5 stars for side-impact protection for both front and rear occupants. Rollover resistance ratings were 3 stars for 4WD models and 4 stars for RWD models, which is typical for a tall, heavy SUV.
In terms of driver-assistance, the 2008 Yukon XL was more modest. Rear parking assist, using ultrasonic sensors in the bumper to alert drivers to obstacles, was standard on SLT and Denali trims and optional on the SLE. A rearview camera was available as an option, primarily integrated into the navigation display, aiding in parking and hitching trailers. Advanced features like adaptive cruise control, lane-keeping assist, or blind-spot monitoring were not available in this model year.
Safety was a strong point for the Yukon XL. Standard safety features included dual-stage frontal airbags for the driver and front passenger, and head curtain side-impact airbags covering all three rows of seats. Four-wheel anti-lock brakes (ABS) were standard, as was GM's StabiliTrak electronic stability control system with proactive roll avoidance and traction control, which significantly enhances vehicle stability in adverse conditions. Tire pressure monitoring was also standard.
Crash-test ratings from the National Highway Traffic Safety Administration (NHTSA) were generally impressive: The 2008 GMC Yukon XL received 5 out of 5 stars for frontal crash protection for both driver and passenger, and 5 out of 5 stars for side-impact protection for both front and rear occupants. Rollover resistance ratings were 3 stars for 4WD models and 4 stars for RWD models, which is typical for a tall, heavy SUV.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2008 GMC Yukon XL Prices and Market Value
When new, the 2008 GMC Yukon XL had a wide price range. The SLE trim typically started around $38,000-$42,000, the SLT around $45,000-$50,000, and the top-tier Denali commanded prices from $52,000 to $57,000, depending on options. Today, current used market prices vary significantly based on condition, mileage, trim, and region, generally ranging from $5,000 for high-mileage examples to $15,000+ for well-maintained, lower-mileage Denali models. This represents substantial depreciation from its new price, typical for large SUVs. Factors affecting its resale value include a comprehensive maintenance history, especially documentation addressing known AFM issues, the overall cosmetic and mechanical condition, and whether it's a desirable 4WD or Denali trim. High fuel consumption and potential for costly engine repairs also depress its value.
2008 GMC Yukon XL Cost of Ownership
Long-term ownership of a 2008 GMC Yukon XL is generally costly rather than economical. Insurance rates are moderate, typical for a large SUV, varying by driver and location. Fuel costs are significant due to its large V8 engines and considerable weight; expect low to mid-teen MPG, making fuel a major ongoing expense. Routine maintenance (oil changes, tires, brakes) is standard for a large vehicle, with parts widely available and moderately priced. However, potential major repair costs, particularly for Active Fuel Management (AFM) related engine issues or transmission problems, can be substantial, often running into thousands of dollars. Despite its utility, the Yukon XL demands a budget for its fuel and potential mechanical upkeep.
2008 GMC Yukon XL Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
31.00 gallons
City Mileage
12 miles/gallon
Highway Mileage
18 miles/gallon
2008 GMC Yukon XL Safety Rating
NHTSA
IIHS
2008 GMC Yukon XL Warranty
Basic
Original warranty
36 months / 36,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
60 months / 100,000 miles
Estimated remaining
Expired
Rust
Original warranty
72 months / 100,000 miles
Estimated remaining
Expired
2008 GMC Yukon XL Insurance
Insurance for a 2008 GMC Yukon XL is moderately priced, reflecting its status as a Sport Utility Vehicle with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2008 GMC Yukon XL Compare to Other Sport Utility Vehicle?
The 2008 GMC Yukon XL competes primarily against the Chevrolet Suburban, Ford Expedition EL, and Toyota Sequoia, with the Nissan Armada also in the mix. In terms of performance, the Yukon XL (especially the 6.2L Denali) offers robust V8 power, matching its sibling, the Suburban, and generally outperforming the contemporary Ford Expedition EL's V8 in horsepower, though the Expedition's independent rear suspension offered a slightly smoother ride. The Toyota Sequoia's powerful 5.7L V8 often delivered slightly more refined acceleration and towing.
Regarding features, the Yukon XL stands out with a more upscale interior than the Suburban (especially in SLT and Denali trims), offering premium materials and more available luxury amenities like Magnetic Ride Control on the Denali. It generally felt more refined than the Expedition and Armada, though the Sequoia matched it for comfort and functionality. The Denali trim could even rival entry-level luxury SUVs of the era from brands like Lexus or Infiniti, but at a more accessible price point.
Reliability is a mixed bag. While the core platform is durable, the Yukon XL (and Suburban) is notorious for the Active Fuel Management (AFM) system failures in its 5.3L V8, which significantly impacts long-term engine reliability and ownership costs. This is a weakness compared to the Toyota Sequoia, which is widely regarded as one of the most reliable full-size SUVs. The Ford Expedition EL offered competitive reliability, though not without its own set of issues.
In terms of price, the Yukon XL was positioned slightly above the Suburban new, offering a premium feel without stepping into true luxury SUV pricing. On the used market, its pricing is competitive with the Expedition EL and Suburban, often more affordable than a comparable Sequoia due to its reputation for bulletproof reliability.
Similar Alternatives:
- Chevrolet Suburban: Virtually identical mechanically, often available at a slightly lower used price, offering the same utility.
- Ford Expedition EL: Offers comparable space and towing, with a ride often praised for its independent rear suspension.
Better Reliability Alternative:
- Toyota Sequoia: If long-term, trouble-free reliability, especially regarding the powertrain, is a top priority, the Sequoia is generally considered a more dependable choice, though it may command a higher used price.
Regarding features, the Yukon XL stands out with a more upscale interior than the Suburban (especially in SLT and Denali trims), offering premium materials and more available luxury amenities like Magnetic Ride Control on the Denali. It generally felt more refined than the Expedition and Armada, though the Sequoia matched it for comfort and functionality. The Denali trim could even rival entry-level luxury SUVs of the era from brands like Lexus or Infiniti, but at a more accessible price point.
Reliability is a mixed bag. While the core platform is durable, the Yukon XL (and Suburban) is notorious for the Active Fuel Management (AFM) system failures in its 5.3L V8, which significantly impacts long-term engine reliability and ownership costs. This is a weakness compared to the Toyota Sequoia, which is widely regarded as one of the most reliable full-size SUVs. The Ford Expedition EL offered competitive reliability, though not without its own set of issues.
In terms of price, the Yukon XL was positioned slightly above the Suburban new, offering a premium feel without stepping into true luxury SUV pricing. On the used market, its pricing is competitive with the Expedition EL and Suburban, often more affordable than a comparable Sequoia due to its reputation for bulletproof reliability.
Similar Alternatives:
- Chevrolet Suburban: Virtually identical mechanically, often available at a slightly lower used price, offering the same utility.
- Ford Expedition EL: Offers comparable space and towing, with a ride often praised for its independent rear suspension.
Better Reliability Alternative:
- Toyota Sequoia: If long-term, trouble-free reliability, especially regarding the powertrain, is a top priority, the Sequoia is generally considered a more dependable choice, though it may command a higher used price.
Final Verdict: Is the 2008 GMC Yukon XL a Good Sport Utility Vehicle?
The 2008 GMC Yukon XL is ideal for large families, those who frequently tow heavy loads like boats or RVs, and buyers needing cavernous passenger and cargo space for long trips. It's a comfortable, capable, and commanding full-size SUV. It is absolutely worth buying as a used vehicle, as new is no longer an option. However, it comes with caveats. It's not for the budget-conscious regarding fuel consumption or potential repair costs. We recommend focusing on SLT or Denali trims for the best balance of features and comfort. A crucial pre-purchase inspection is mandatory to check for Active Fuel Management (AFM) system issues (especially on the 5.3L V8), transmission health, and dashboard cracks. If you're prepared for its fuel appetite and potential maintenance, its immense utility and comfortable ride offer excellent value on the used market.
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.