The 2008 GMC Sierra 3500HD is a heavy-duty pickup truck designed for serious work. Part of the second generation Sierra launched in 2007, it offered robust capabilities. Available as a regular, extended, or crew cab, with various bed lengths. Key trims include the base SL, SLE, and SLT. New pricing ranged from approximately $28,000 to $45,000. Its strong Duramax diesel engine option and high towing capacity made it popular among those needing a powerful work truck.
The Good
The 2008 GMC Sierra 3500HD offers strong performance, especially with the Duramax diesel. Its reliability is decent for a heavy-duty truck. Comfort is reasonable, particularly in higher trims. Design is classic truck. The value comes from its towing capacity and ability to handle tough jobs. Practical buyers appreciate the capability, while emotional buyers enjoy the powerful presence and confident handling.
The Bad
Weaknesses of the 2008 GMC Sierra 3500HD include potential issues with the diesel particulate filter (DPF) on Duramax models, leading to costly repairs. Fuel economy, especially with the diesel, is poor. The interior, while functional, can feel dated compared to rivals. Watch out for rust, especially in areas where salt is used on roads.
2008 GMC Sierra 3500HD: Quick Overview
Here's a summary of key specs for the 2008 GMC Sierra 3500HD:
- Engine Options:
- 6.0L Vortec V8 (gas): 300 hp, 360 lb-ft of torque
- 6.6L Duramax Turbo Diesel V8: 365 hp, 660 lb-ft of torque
- Horsepower:
- Gas: 300 hp
- Diesel: 365 hp
- Fuel Economy: Poor, specific numbers vary depending on configuration and usage. Expect around 10-14 MPG combined for the gas engine and 12-16 MPG combined for the diesel.
- 0-60 Times: Not a primary focus for this truck. Gas engine around 8-9 seconds, diesel slightly slower due to weight.
- Towing Capacity:
- Gas: Up to 10,500 lbs
- Diesel: Up to 13,000 lbs (conventional), higher with fifth-wheel/gooseneck
- Trim-Level Features:
- SL: Basic work truck, vinyl seating, manual windows/locks (often optional upgrades were added).
- SLE: Cloth seating, power windows/locks, upgraded stereo, available convenience packages.
- SLT: Leather seating, dual-zone climate control, premium audio, chrome exterior trim, and more available luxury features.
2008 GMC Sierra 3500HD Specifications
Vehicle Information
| Year | 2008 |
| Make | GMC |
| Model | Sierra 3500HD |
| Trim | - |
| Style | Regular Cab 2WD |
| Type | Pickup Truck |
| Category | Medium Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | PONTIAC |
Dimensions
| Doors | 2-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 14000 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 6.0-L V-8 OHV 16V |
| Engine Size | 6L |
| Engine Cylinders | 8 |
| Transmission | 6-Speed Automatic |
| Transmission Type | Automatic |
| Transmission Speeds | 6-Speed |
| Drivetrain | Rear-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 2008 GMC Sierra 3500HD Have?
The 2008 GMC Sierra 3500HD has some frequently reported problems and reliability concerns. One common issue, especially with the Duramax diesel, is the diesel particulate filter (DPF). The DPF can become clogged, requiring expensive replacement or cleaning. Fuel injector issues have also been reported on the diesel engines, leading to poor performance and costly repairs. Furthermore, glow plug failures are not uncommon. Rust is a significant concern, particularly in areas that use road salt. Check the rocker panels, cab corners, and undercarriage carefully.
Other reported issues include problems with the transfer case in four-wheel-drive models, leading to shifting difficulties or complete failure. Some owners have also reported issues with the transmission, although this is less frequent. Interior components, such as the dashboard, can be prone to cracking. There have been some recalls related to the 2008 Sierra 3500HD, including issues with the fuel system and airbag deployment. Always check the NHTSA website for the latest recall information.
Long-term reliability can vary depending on maintenance. Regular servicing, especially oil changes and fuel filter replacements on the diesel, is crucial. Ignoring maintenance can lead to accelerated wear and tear and increase the likelihood of major repairs.
Other reported issues include problems with the transfer case in four-wheel-drive models, leading to shifting difficulties or complete failure. Some owners have also reported issues with the transmission, although this is less frequent. Interior components, such as the dashboard, can be prone to cracking. There have been some recalls related to the 2008 Sierra 3500HD, including issues with the fuel system and airbag deployment. Always check the NHTSA website for the latest recall information.
Long-term reliability can vary depending on maintenance. Regular servicing, especially oil changes and fuel filter replacements on the diesel, is crucial. Ignoring maintenance can lead to accelerated wear and tear and increase the likelihood of major repairs.
How long will the 2008 GMC Sierra 3500HD last?
A well-maintained 2008 GMC Sierra 3500HD can easily exceed 200,000 miles and provide 15+ years of service. However, mileage and longevity heavily depend on maintenance. Trucks used primarily for heavy towing or hauling will likely experience more wear and tear. The Duramax diesel, if properly maintained with regular oil changes and fuel filter replacements, tends to be more durable than the gas engine. Weaknesses over time include rust, especially in colder climates, and potential DPF issues on the diesel. Regular servicing and addressing minor issues promptly are essential for long-term durability.
What Technology & Safety Features are Included?
The 2008 GMC Sierra 3500HD's tech and entertainment features were fairly basic by today's standards. Standard features included an AM/FM radio and CD player. Higher trims offered options like a Bose premium sound system, satellite radio, and OnStar.
Driver-assistance features were limited. ABS brakes were standard, and stability control was available on some models. Rear parking assist was an optional feature. No advanced driver-assistance systems like lane departure warning or automatic emergency braking were available.
Safety features included standard front airbags. Side-impact airbags were available as an option. The NHTSA (National Highway Traffic Safety Administration) gave the 2008 GMC Sierra 3500HD mixed crash-test ratings. Cab configuration significantly affected ratings. For example, the crew cab generally performed better in frontal crash tests compared to the extended cab. Always consult NHTSA's website for specific crash-test results for the cab configuration you are considering.
Optional features included things like power-adjustable pedals, heated seats (on higher trims), and a sunroof. The technology available was functional but not particularly advanced compared to modern trucks. The focus was more on utility and capability than cutting-edge technology.
Driver-assistance features were limited. ABS brakes were standard, and stability control was available on some models. Rear parking assist was an optional feature. No advanced driver-assistance systems like lane departure warning or automatic emergency braking were available.
Safety features included standard front airbags. Side-impact airbags were available as an option. The NHTSA (National Highway Traffic Safety Administration) gave the 2008 GMC Sierra 3500HD mixed crash-test ratings. Cab configuration significantly affected ratings. For example, the crew cab generally performed better in frontal crash tests compared to the extended cab. Always consult NHTSA's website for specific crash-test results for the cab configuration you are considering.
Optional features included things like power-adjustable pedals, heated seats (on higher trims), and a sunroof. The technology available was functional but not particularly advanced compared to modern trucks. The focus was more on utility and capability than cutting-edge technology.
What Colors Options are Available?
Exterior Colors
Onyx Black
Summit White
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 3500HD Prices and Market Value
When new, the 2008 GMC Sierra 3500HD ranged from approximately $28,000 for a base model to $45,000+ for a fully loaded SLT with the Duramax diesel. Current used market prices vary greatly depending on condition, mileage, and location. Expect to pay anywhere from $12,000 to $25,000 or more. Depreciation has been significant, but these trucks hold their value relatively well compared to some other vehicles due to their robust capabilities and demand for heavy-duty trucks. Factors affecting resale value include the engine (diesel models command a premium), trim level, condition, mileage, and whether it's a 4x4.
2008 GMC Sierra 3500HD Cost of Ownership
The 2008 GMC Sierra 3500HD is generally costly to own. Insurance premiums are higher than smaller vehicles. Fuel costs, especially with the diesel, are significant. Maintenance can be expensive, particularly for the Duramax engine (oil changes, fuel filters). Repairs, especially related to the DPF or fuel injectors, can be very costly. Long-term ownership costs are above average due to fuel consumption, maintenance demands, and potential repairs. It's not an economical vehicle unless its towing or hauling capabilities are essential for your needs.
2008 GMC Sierra 3500HD Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
2008 GMC Sierra 3500HD Warranty
Basic
Original warranty
0 months / No data
Estimated remaining
Expired
Powertrain
Original warranty
0 months / No data
Estimated remaining
Expired
Rust
Original warranty
0 months / No data
Estimated remaining
Expired
2008 GMC Sierra 3500HD Insurance
Insurance for a 2008 GMC Sierra 3500HD 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 3500HD Compare to Other Pickup Truck?
The 2008 GMC Sierra 3500HD competes with the Ford F-350 and the Dodge Ram 3500. In terms of performance, all three trucks offer similar towing and hauling capabilities, particularly when equipped with their respective diesel engines. The Duramax diesel in the Sierra is generally regarded as a strong and capable engine, but the Cummins in the Ram has a reputation for being even more durable.
Feature-wise, the Sierra offered a similar level of equipment to its rivals. However, the interior design of the Ford F-350 might be considered slightly more modern by some. Reliability is a mixed bag. All heavy-duty trucks can be prone to issues, but the Ram 3500 with the Cummins engine often scores slightly better in reliability surveys. Price-wise, the three trucks were generally comparable when new.
Alternatives? The Ford F-350 offers a similar experience with a slightly different driving feel and interior. The Dodge Ram 3500, especially with the Cummins diesel, might be a better choice for those prioritizing long-term reliability. Consider what's most important: outright towing capacity, interior comfort, or long-term durability, when making your decision. No single truck is definitively 'better' across the board.
Feature-wise, the Sierra offered a similar level of equipment to its rivals. However, the interior design of the Ford F-350 might be considered slightly more modern by some. Reliability is a mixed bag. All heavy-duty trucks can be prone to issues, but the Ram 3500 with the Cummins engine often scores slightly better in reliability surveys. Price-wise, the three trucks were generally comparable when new.
Alternatives? The Ford F-350 offers a similar experience with a slightly different driving feel and interior. The Dodge Ram 3500, especially with the Cummins diesel, might be a better choice for those prioritizing long-term reliability. Consider what's most important: outright towing capacity, interior comfort, or long-term durability, when making your decision. No single truck is definitively 'better' across the board.
Ranks #414 Truck
| 1 | 2023 Toyota Tundra | (5.0★) |
| 2 | 2022 Honda Ridgeline | (5.0★) |
| 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★) |
| 414 | 2008 GMC Sierra 3500HD | (0.0★) |
Final Verdict: Is the 2008 GMC Sierra 3500HD a Good Pickup Truck?
The 2008 GMC Sierra 3500HD is ideal for individuals or businesses needing a robust truck for heavy towing and hauling. It's worth buying *used* if you find a well-maintained example, especially one with detailed service records. The Duramax diesel offers strong performance, but be prepared for potential maintenance costs. Higher trims (SLE or SLT) offer more comfort features. Thoroughly inspect any used 2008 Sierra 3500HD for rust and signs of neglect before purchasing. If you require serious work capabilities and can accept higher running costs, it's a capable truck. If you don't need that level of capability, a lighter-duty truck might be a better choice.
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.