The 2012 GMC Sierra 2500HD is a heavy-duty pickup truck known for its robust capabilities and comfortable ride. Part of the second generation Sierra HD (2007-2014), it's available in regular, extended, and crew cab configurations with various bed lengths. Key trims include Work Truck, SLE, SLT, and Denali. Pricing ranged from approximately $30,000 to $50,000 when new. It stands out for its strong Duramax diesel engine option and reputation for reliability among heavy-duty trucks.
The Good
The 2012 GMC Sierra 2500HD offers robust performance, particularly with the Duramax diesel, and a reputation for good reliability. It provides a relatively comfortable ride for a heavy-duty truck. Aesthetically, it boasts a classic, muscular design. Practical buyers appreciate its towing capacity and dependability, while emotional buyers are drawn to its ruggedness and powerful image.
The Bad
Weaknesses of the 2012 GMC Sierra 2500HD include potential issues with the diesel exhaust fluid (DEF) system on diesel models. Also, some owners have reported problems with the fuel injectors and occasional transmission issues. The interior, while functional, can feel dated compared to newer trucks. Rust can be an issue in areas with road salt.
2012 GMC Sierra 2500HD: Quick Overview
- Engine Options:
- 6.0L Vortec V8 (Gasoline): Standard engine.
- 6.6L Duramax Turbo Diesel V8: Optional engine.
- Horsepower:
- 6.0L Vortec V8: 360 hp @ 5400 rpm
- 6.6L Duramax Turbo Diesel V8: 397 hp @ 3000 rpm
- Fuel Economy: Fuel economy is not a primary concern for heavy-duty trucks, and official EPA ratings are not typically provided. Expect 10-15 mpg depending on driving conditions and engine. Diesel models generally offer slightly better fuel economy than gasoline ones, especially when towing.
- 0-60 Times: 0-60 mph times are not readily available for the 2012 GMC Sierra 2500HD, as performance testing is not the primary focus for heavy-duty trucks. Expect 0-60 times in the 7-9 second range for gas engines and slightly slower for diesel, especially when loaded.
- Towing Capacity:
- Maximum towing capacity varies based on configuration (cab, bed, engine, axle ratio).
- Typically ranges from 13,000 to 17,800 lbs for properly equipped models.
- Trim-Level Features:
- Work Truck: Vinyl seats, basic audio system, manual windows and locks.
- SLE: Cloth seats, power windows and locks, upgraded audio system, chrome exterior trim.
- SLT: Leather seats, dual-zone climate control, premium audio system, remote start.
- Denali: Unique styling, premium leather, heated and cooled seats, navigation system.
2012 GMC Sierra 2500HD Specifications
Vehicle Information
| Year | 2012 |
| Make | GMC |
| Model | Sierra 2500HD |
| Trim | - |
| Style | Long Box 4WD |
| Type | Pickup Truck |
| Category | Standard Pickup Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | ROANOKE |
Dimensions
| Doors | 2-Door |
| Curb Weight | 2704.32 kg |
| Gross Vehicle Weight Rating | 4309.12 kg |
| Overall Height | 196.85 cm |
| Overall Length | 571.5 cm |
| Overall Width | 203.2 cm |
| Wheelbase Length | 339.6 cm |
| Standard Seating | 3 |
Engine & Performance
| Engine | 6.0-L V-8 OHV 16V FFV |
| Engine Size | 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) | $34,970 USD |
| Invoice Price | $32,522 USD |
| Delivery Charges | $995 USD |
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What Problems Does the 2012 GMC Sierra 2500HD Have?
Frequently reported problems for the 2012 GMC Sierra 2500HD often revolve around the diesel engine, particularly the Duramax. Issues with the diesel exhaust fluid (DEF) system are common, including sensor failures and pump malfunctions. These can lead to reduced engine power or the truck entering "limp mode." Fuel injector issues have also been reported, leading to rough running or engine misfires.
Transmission problems, although not widespread, can occur, especially in trucks that have been heavily used for towing. Some owners have experienced hard shifting or complete transmission failure. Rust, particularly in areas where road salt is used, can be a concern. Check the undercarriage, rocker panels, and cab corners for corrosion.
Recalls for the 2012 model year have addressed issues such as potential fuel leaks and brake system malfunctions. Check the NHTSA website for a comprehensive list of recalls and ensure any applicable recalls have been addressed. Long-term reliability concerns often stem from deferred maintenance. Regular servicing, especially for diesel models, is crucial to prevent costly repairs down the line. Monitoring oil levels, coolant condition, and DEF system performance is essential for long-term durability.
Transmission problems, although not widespread, can occur, especially in trucks that have been heavily used for towing. Some owners have experienced hard shifting or complete transmission failure. Rust, particularly in areas where road salt is used, can be a concern. Check the undercarriage, rocker panels, and cab corners for corrosion.
Recalls for the 2012 model year have addressed issues such as potential fuel leaks and brake system malfunctions. Check the NHTSA website for a comprehensive list of recalls and ensure any applicable recalls have been addressed. Long-term reliability concerns often stem from deferred maintenance. Regular servicing, especially for diesel models, is crucial to prevent costly repairs down the line. Monitoring oil levels, coolant condition, and DEF system performance is essential for long-term durability.
How long will the 2012 GMC Sierra 2500HD last?
Based on owner data and typical maintenance habits, a 2012 GMC Sierra 2500HD can reasonably achieve 200,000 to 300,000 miles or 15-20 years of service, provided it's well-maintained. Regular oil changes, transmission servicing, and attention to the diesel exhaust system (if equipped) are critical.
Long-term durability can be affected by rust, especially in northern climates. Weaknesses over time include potential suspension component wear, ball joint issues, and gradual deterioration of interior plastics and upholstery. Proper storage and addressing minor issues promptly can significantly extend its lifespan.
Long-term durability can be affected by rust, especially in northern climates. Weaknesses over time include potential suspension component wear, ball joint issues, and gradual deterioration of interior plastics and upholstery. Proper storage and addressing minor issues promptly can significantly extend its lifespan.
What Technology & Safety Features are Included?
The 2012 GMC Sierra 2500HD offers a range of built-in tech and safety features, though not as advanced as newer models. Entertainment features include a standard AM/FM radio with CD player, and available options like satellite radio and a USB port for connecting devices. Higher trims offer premium audio systems.
Driver-assistance features are relatively basic. Standard features include StabiliTrak stability control and traction control. Rear parking sensors are available as an option on some trims. Safety features include standard front airbags, side-curtain airbags, and antilock brakes.
Optional features include a rearview camera, which was becoming more common at the time. Bluetooth connectivity was also available, allowing for hands-free calling. The infotainment systems are generally simple and straightforward to use, but lack modern features like Apple CarPlay or Android Auto.
Crash-test ratings from the IIHS (Insurance Institute for Highway Safety) and NHTSA (National Highway Traffic Safety Administration) should be consulted for specific details. The 2012 GMC Sierra 2500HD generally performed well in crash tests, but ratings can vary depending on the cab configuration. Check official sources for the most accurate and up-to-date safety information.
Driver-assistance features are relatively basic. Standard features include StabiliTrak stability control and traction control. Rear parking sensors are available as an option on some trims. Safety features include standard front airbags, side-curtain airbags, and antilock brakes.
Optional features include a rearview camera, which was becoming more common at the time. Bluetooth connectivity was also available, allowing for hands-free calling. The infotainment systems are generally simple and straightforward to use, but lack modern features like Apple CarPlay or Android Auto.
Crash-test ratings from the IIHS (Insurance Institute for Highway Safety) and NHTSA (National Highway Traffic Safety Administration) should be consulted for specific details. The 2012 GMC Sierra 2500HD generally performed well in crash tests, but ratings can vary depending on the cab configuration. Check official sources for the most accurate and up-to-date safety information.
What Colors Options are Available?
Exterior Colors
Summit White
Onyx Black
Stealth Gray Metallic
Graystone Metallic
Silver Ice Metallic
Fire Red
Sport Blue Metallic
Hunter Metallic
Espresso Brown Metallic
Dark Crimson Metallic
Interior Colors
Ebony
Dark Titanium
Light Cashmere
2012 GMC Sierra 2500HD Prices and Market Value
When new, the 2012 GMC Sierra 2500HD ranged from approximately $30,000 to $50,000, depending on the trim level, engine, and options. Current used market prices typically range from $20,000 to $35,000, but can vary greatly based on condition, mileage, and location.
Depreciation has occurred, but heavy-duty trucks tend to hold their value relatively well. Factors affecting resale value include the condition of the truck, mileage, engine type (diesel models command a premium), and overall market demand for used trucks. A well-maintained truck with lower mileage will fetch a higher price.
Depreciation has occurred, but heavy-duty trucks tend to hold their value relatively well. Factors affecting resale value include the condition of the truck, mileage, engine type (diesel models command a premium), and overall market demand for used trucks. A well-maintained truck with lower mileage will fetch a higher price.
2012 GMC Sierra 2500HD Cost of Ownership
The 2012 GMC Sierra 2500HD is generally considered costly to own. Insurance rates are moderate to high, depending on coverage and location. Fuel costs can be significant, especially with the gasoline engine. Maintenance, particularly for diesel models, can be expensive, involving specialized servicing and potential DEF system repairs. Expect higher repair costs due to the heavy-duty components. Long-term ownership costs are above average compared to smaller vehicles.
2012 GMC Sierra 2500HD Fuel Efficiency
Fuel Type
Flex-Fuel (Unleaded/E85)
Fuel Capacity
136.27 liters
City Mileage
-
Highway Mileage
-
2012 GMC Sierra 2500HD Safety Rating
NHTSA
IIHS
2012 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
2012 GMC Sierra 2500HD Insurance
Insurance for a 2012 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 2012 GMC Sierra 2500HD Compare to Other Pickup Truck?
The 2012 GMC Sierra 2500HD competes with the Ford F-250, Ram 2500, and Chevrolet Silverado 2500HD (its corporate sibling). In terms of performance, the Duramax diesel is a strong contender, but Ford's Power Stroke and Ram's Cummins offer comparable power. Feature-wise, the Sierra 2500HD is generally on par with its rivals, although the interior can feel slightly less modern than some competitors.
Reliability is generally good, but all heavy-duty trucks can experience issues. The Ford F-250 has its own set of potential problems, while the Ram 2500 is known for its comfortable ride but can have issues with its front suspension. Price-wise, the Sierra 2500HD is typically similar to its competitors.
The Chevrolet Silverado 2500HD is a very similar alternative, offering nearly identical features and performance. Which truck is "better" often comes down to personal preference in styling and available deals. For those prioritizing a more modern interior and potentially a smoother ride, the Ram 2500 might be worth considering. However, all of these trucks are capable and reliable choices in the heavy-duty segment.
Reliability is generally good, but all heavy-duty trucks can experience issues. The Ford F-250 has its own set of potential problems, while the Ram 2500 is known for its comfortable ride but can have issues with its front suspension. Price-wise, the Sierra 2500HD is typically similar to its competitors.
The Chevrolet Silverado 2500HD is a very similar alternative, offering nearly identical features and performance. Which truck is "better" often comes down to personal preference in styling and available deals. For those prioritizing a more modern interior and potentially a smoother ride, the Ram 2500 might be worth considering. However, all of these trucks are capable and reliable choices in the heavy-duty segment.
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| 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★) |
| 387 | 2012 GMC Sierra 2500HD | (0.0★) |
Final Verdict: Is the 2012 GMC Sierra 2500HD a Good Pickup Truck?
The 2012 GMC Sierra 2500HD is ideal for those who need a robust and capable truck for towing and hauling heavy loads. It's a good choice for contractors, ranchers, and anyone who requires a reliable workhorse. Whether it's worth buying depends on the price, condition, and maintenance history.
Buying used is generally recommended, as new heavy-duty trucks are expensive. Opting for the diesel engine is worthwhile if heavy towing is a regular occurrence. A well-maintained SLE or SLT trim offers a good balance of features and value. Before purchasing, have the truck inspected by a qualified mechanic, paying particular attention to the diesel exhaust system and transmission.
Buying used is generally recommended, as new heavy-duty trucks are expensive. Opting for the diesel engine is worthwhile if heavy towing is a regular occurrence. A well-maintained SLE or SLT trim offers a good balance of features and value. Before purchasing, have the truck inspected by a qualified mechanic, paying particular attention to the diesel exhaust system and transmission.
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.