The 2008 GMC Sierra 2500HD is a heavy-duty pickup truck, part of the second-generation Sierra line (2007-2014). Available in regular, extended, and crew cab configurations with various bed lengths, it catered to those needing serious towing and hauling capability. Key trims included the base model, SL, SLE, SLT, and Denali. Original pricing ranged from around $28,000 to over $45,000 depending on configuration and trim. Its robust Duramax diesel engine and strong work ethic made it a popular choice.
The Good
The 2008 GMC Sierra 2500HD boasts impressive towing and hauling performance with its powerful engine options. It provides a comfortable ride for a heavy-duty truck and offers a respectable level of reliability. Practical buyers appreciate its workhorse capabilities, while emotional buyers are drawn to its rugged styling and feeling of confidence behind the wheel. Good value for the money is also a strong selling point.
The Bad
Potential weaknesses of the 2008 GMC Sierra 2500HD include potential issues with the diesel exhaust fluid (DEF) system (on diesel models), rust, and some electrical problems. Fuel economy, especially with the gasoline engine, can be poor. Also, some owners have reported issues with the transfer case and transmission over time, so careful inspection is key before purchasing.
2008 GMC Sierra 2500HD: Quick Overview
- Engine Options:
- 6.0L Vortec V8 (gasoline): Produces around 300-360 horsepower and 360-380 lb-ft of torque.
- 6.6L Duramax Turbo Diesel V8: Produces around 365 horsepower and 660 lb-ft of torque.
- Horsepower: Ranges from approximately 300 to 365 hp depending on the engine.
- Fuel Economy:
- Gasoline: Expect around 10-13 mpg city and 14-17 mpg highway (estimates vary greatly based on driving conditions and configuration).
- Diesel: Expect around 13-16 mpg city and 17-20 mpg highway (estimates vary greatly based on driving conditions and configuration).
- 0-60 Times: Not a primary focus for this type of vehicle, but gasoline models can achieve it in roughly 8-9 seconds, while diesel models are slightly slower due to their weight and gearing.
- Towing Capacity:
- Ranges from approximately 10,000 to 13,000 lbs depending on configuration, engine, and drivetrain (2WD vs. 4WD).
- Trim-Level Features:
- Base: Vinyl seating, basic audio system, work truck focused.
- SL: Upgraded cloth seating, power windows and locks.
- SLE: Alloy wheels, chrome exterior trim, upgraded audio system.
- SLT: Leather seating, dual-zone climate control, premium audio system.
- Denali: (If equipped) Unique exterior styling, premium leather, and all the top-tier features.
2008 GMC Sierra 2500HD Specifications
Vehicle Information
| Year | 2008 |
| Make | GMC |
| Model | Sierra 2500HD |
| Trim | - |
| Style | Crew Cab 4WD |
| Type | Pickup Truck |
| Category | Standard Pickup Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | FLINT |
Dimensions
| Doors | 4-Door |
| Curb Weight | 2713.84 kg |
| Gross Vehicle Weight Rating | 4173.05 kg |
| Overall Height | 196.09 cm |
| Overall Length | 609.35 cm |
| Overall Width | 203.2 cm |
| Wheelbase Length | 388.62 cm |
| Standard Seating | 6 |
Engine & Performance
| Engine | 6.6-L V-8 16V OHV Turbo Diesel |
| Engine Size | 6.6L |
| 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 | Recirculating |
Pricing
| Manufacturer Suggested Retail Price (MSRP) | $36,360 USD |
| Invoice Price | $33,269 USD |
| Delivery Charges | $925 USD |
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What Problems Does the 2008 GMC Sierra 2500HD Have?
Frequently reported problems for the 2008 GMC Sierra 2500HD often revolve around drivetrain components. Issues with the automatic transmission, particularly hard shifting or complete failure, have been reported. The transfer case, especially in 4WD models, is another area of concern, with some owners experiencing leaks or failure. Diesel models can suffer from issues related to the diesel particulate filter (DPF) and other emissions control components, leading to reduced performance and costly repairs. Rust can be a significant issue, especially in areas where road salt is used extensively. Check for rust on the undercarriage, around the wheel wells, and on body panels. Some electrical problems, such as issues with the instrument cluster or power windows, have also been noted.
Recalls for this model year have addressed issues ranging from potential fuel leaks to problems with the airbags. It's essential to check the vehicle's VIN with the National Highway Traffic Safety Administration (NHTSA) to ensure all applicable recalls have been addressed. Long-term reliability can be affected by the aforementioned issues, especially if regular maintenance is neglected. Preventative maintenance, particularly fluid changes and thorough inspections, is crucial for maximizing the lifespan of this truck.
Recalls for this model year have addressed issues ranging from potential fuel leaks to problems with the airbags. It's essential to check the vehicle's VIN with the National Highway Traffic Safety Administration (NHTSA) to ensure all applicable recalls have been addressed. Long-term reliability can be affected by the aforementioned issues, especially if regular maintenance is neglected. Preventative maintenance, particularly fluid changes and thorough inspections, is crucial for maximizing the lifespan of this truck.
How long will the 2008 GMC Sierra 2500HD last?
With proper maintenance, a 2008 GMC Sierra 2500HD can easily last for 200,000 to 300,000 miles or more. Many owners report using them for 15-20 years, provided they adhere to regular servicing schedules. Key to longevity is consistent oil changes, transmission fluid flushes, and addressing any mechanical issues promptly. Weaknesses over time typically involve rust (especially in colder climates), wear and tear on suspension components, and potential issues with the emissions system (on diesel models). Properly maintained diesel engines tend to outlast gasoline engines, but require more costly repairs when they do fail. Regular use for heavy towing and hauling will accelerate wear and tear.
What Technology & Safety Features are Included?
The 2008 GMC Sierra 2500HD's technology is relatively basic by modern standards. Entertainment features typically included an AM/FM radio with CD player, and higher trims might offer satellite radio and a Bose sound system. Navigation was an optional feature. Driver-assistance features were limited, generally consisting of features like cruise control and available parking sensors.
Safety features included standard antilock brakes (ABS) and front airbags. Stability control was available on some trims, enhancing safety during adverse driving conditions. Side curtain airbags were also offered as an option.
Crash test ratings from the NHTSA varied depending on the cab configuration. While some configurations received relatively good scores for frontal crash protection, rollover ratings were generally lower, typical for large pickup trucks. The IIHS (Insurance Institute for Highway Safety) ratings were not extensive for this specific model year, but generally, large pickups of this era didn't perform as well in newer offset crash tests compared to modern vehicles. Overall, the safety tech is dated compared to newer vehicles, making this a factor to consider for safety-conscious buyers. The availability of specific features depended heavily on the chosen trim level and optional packages.
Safety features included standard antilock brakes (ABS) and front airbags. Stability control was available on some trims, enhancing safety during adverse driving conditions. Side curtain airbags were also offered as an option.
Crash test ratings from the NHTSA varied depending on the cab configuration. While some configurations received relatively good scores for frontal crash protection, rollover ratings were generally lower, typical for large pickup trucks. The IIHS (Insurance Institute for Highway Safety) ratings were not extensive for this specific model year, but generally, large pickups of this era didn't perform as well in newer offset crash tests compared to modern vehicles. Overall, the safety tech is dated compared to newer vehicles, making this a factor to consider for safety-conscious buyers. The availability of specific features depended heavily on the chosen trim level and optional packages.
What Colors Options are Available?
Exterior Colors
Summit White
Onyx Black
Silver Birch Metallic
Stealth Gray Metallic
Dark Blue Metallic
Sport Red Metallic
Sand Beige Metallic
Dark Cherry Metallic
Interior Colors
Light Cashmere
Ebony
2008 GMC Sierra 2500HD Prices and Market Value
When new, the 2008 GMC Sierra 2500HD ranged from approximately $28,000 to over $45,000, depending on trim, cab configuration, and options. Current used market prices typically range from $10,000 to $25,000, with variations based on mileage, condition, and location.
Depreciation has been significant, but heavy-duty trucks tend to hold their value relatively well compared to passenger cars. Factors affecting resale value include the engine type (diesel models generally command higher prices), overall condition (rust-free examples are highly sought after), mileage, and maintenance history. Trucks with desirable options, like four-wheel drive and higher trim levels, also tend to retain more value.
Depreciation has been significant, but heavy-duty trucks tend to hold their value relatively well compared to passenger cars. Factors affecting resale value include the engine type (diesel models generally command higher prices), overall condition (rust-free examples are highly sought after), mileage, and maintenance history. Trucks with desirable options, like four-wheel drive and higher trim levels, also tend to retain more value.
2008 GMC Sierra 2500HD Cost of Ownership
The 2008 GMC Sierra 2500HD is generally considered a costly vehicle to own long-term. Insurance rates can be higher than average due to its size and potential for damage. Fuel economy, especially with the gasoline engine, is poor. Maintenance and repair costs can be substantial, particularly for diesel models and due to the truck's heavy-duty nature. Expect higher expenses for tires, brakes, and specialized services. While durable, potential issues with the transmission, transfer case, and emissions systems can lead to significant repair bills. Budgeting for regular maintenance and potential repairs is crucial.
2008 GMC Sierra 2500HD Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
98.42 liters
City Mileage
-
Highway Mileage
-
2008 GMC Sierra 2500HD Safety Rating
NHTSA
IIHS
2008 GMC Sierra 2500HD 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 Sierra 2500HD Insurance
Insurance for a 2008 GMC Sierra 2500HD is moderately priced, reflecting its status as a Pickup Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2008 GMC Sierra 2500HD Compare to Other Pickup Truck?
The 2008 GMC Sierra 2500HD competes directly with the Ford F-250 Super Duty and the Dodge Ram 2500. In terms of performance, all three offer comparable towing and hauling capabilities, though the Duramax diesel in the Sierra is often praised for its refinement. Features are relatively similar across the board, with trim levels dictating available options.
Reliability is a key differentiating factor. While all three have potential issues, the Ford Super Duty, especially with the 6.4L Power Stroke diesel, has a reputation for more frequent and costly repairs. The Dodge Ram 2500 with the Cummins diesel is often considered more reliable than the Ford but may not offer the same level of interior refinement as the GMC. Price-wise, they are all relatively comparable on the used market, with slight variations depending on condition and mileage.
Alternatives to consider would be a newer model of any of these trucks if budget allows, as they often offer improved fuel economy, safety features, and technology. If reliability is paramount, a well-maintained Dodge Ram 2500 with the Cummins diesel might be a slightly better choice, while if ride comfort and interior refinement are preferred, the GMC Sierra 2500HD is a solid option.
Reliability is a key differentiating factor. While all three have potential issues, the Ford Super Duty, especially with the 6.4L Power Stroke diesel, has a reputation for more frequent and costly repairs. The Dodge Ram 2500 with the Cummins diesel is often considered more reliable than the Ford but may not offer the same level of interior refinement as the GMC. Price-wise, they are all relatively comparable on the used market, with slight variations depending on condition and mileage.
Alternatives to consider would be a newer model of any of these trucks if budget allows, as they often offer improved fuel economy, safety features, and technology. If reliability is paramount, a well-maintained Dodge Ram 2500 with the Cummins diesel might be a slightly better choice, while if ride comfort and interior refinement are preferred, the GMC Sierra 2500HD is a solid option.
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| 1 | 2023 Toyota Tundra | (5.0★) |
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| 3 | 2023 Ford E-Transit Chassis | (0.0★) |
| 4 | 2020 Mercedes-Benz Sprinter Cab Chassis | (0.0★) |
| 5 | 2024 Chevrolet Silverado 3500HD | (0.0★) |
| 6 | 2023 Hyundai Santa Cruz | (5.0★) |
| 7 | 2023 Nissan Frontier | (5.0★) |
| 8 | 2024 GMC Sierra 2500HD | (0.0★) |
| 9 | 2023 Ram 4500 | (0.0★) |
| 10 | 2022 Jeep Gladiator | (5.0★) |
| 11 | 2012 Suzuki Equator | (0.0★) |
| 12 | 2009 Mitsubishi Raider | (5.0★) |
| 413 | 2008 GMC Sierra 2500HD | (0.0★) |
Final Verdict: Is the 2008 GMC Sierra 2500HD a Good Pickup Truck?
The 2008 GMC Sierra 2500HD is ideal for individuals or businesses needing a capable and robust truck for towing and hauling, but aren't looking to purchase brand new. It's worth buying *used* if it's been well-maintained and thoroughly inspected, particularly for rust and drivetrain issues. The Duramax diesel models are desirable for their power and longevity, but require careful maintenance. A higher trim level like the SLE or SLT offers a more comfortable and refined experience. Avoid trucks with significant rust or signs of neglect. Negotiate price based on condition, mileage, and documented service history. A pre-purchase inspection by a qualified mechanic is highly recommended to avoid costly surprises.
Simon A
Simon is a contributor to VinCheck, where he provides articles and reviews on various automotive topics. His work focuses on delivering accurate and up-to-date information about used cars, helping readers make informed decisions.