The 2018 GMC Sierra 3500HD is a heavy-duty pickup truck designed for serious work. Part of the Sierra's fourth generation, it offers a refined take on capability. Available as a regular, double, or crew cab, it comes in trims like base, SLE, SLT, and Denali. Pricing typically ranged from $35,000 to $65,000 new. Its blend of robust performance, towing prowess, and available luxury features makes it a popular choice for those needing a powerful workhorse.
The Good
The 2018 GMC Sierra 3500HD boasts impressive performance with its powerful engine options, ensuring confident towing and hauling. Its generally reliable reputation appeals to practical buyers. Comfort is enhanced by the available premium interior features, while the bold design offers an emotional connection for those who appreciate a strong, capable truck.
The Bad
The 2018 GMC Sierra 3500HD, while capable, can suffer from potential issues. Some owners report transmission problems, particularly with the Allison transmission. Rust can be a concern in areas with road salt. Also, the infotainment system can be slow and outdated compared to newer models, and fuel economy is naturally low due to its size and capabilities.
2018 GMC Sierra 3500HD: Quick Overview
- Engine Options:
- 6.0L V8 Gas: 360 hp, 380 lb-ft of torque
- 6.6L Duramax Turbo-Diesel V8: 445 hp, 910 lb-ft of torque
- Horsepower: Ranging from 360 hp to 445 hp depending on the engine.
- Fuel Economy: Fuel economy is not typically published for heavy-duty trucks, but expect significantly lower figures than light-duty trucks. Expect around 14-16 mpg highway with the gas engine and 16-18 mpg highway with the diesel engine. City MPG will be lower.
- 0-60 Times: Not a primary focus for heavy-duty trucks. Expect around 7-8 seconds for the gas engine and around 6-7 seconds for the diesel.
- Towing Capacity: Up to 20,000 lbs (conventional) and over 23,000 lbs (gooseneck/5th wheel) depending on configuration.
- Trim Level Features:
- Base: Vinyl seats, basic audio system, manual windows and locks.
- SLE: Cloth seats, upgraded audio system, power windows and locks, trailer brake controller.
- SLT: Leather seats, dual-zone climate control, heated seats, premium audio system.
- Denali: Unique exterior styling, premium leather interior, heated and ventilated seats, navigation, advanced safety features.
- Other Key Features: Available 4WD, various cab and bed configurations, standard StabiliTrak stability control, available integrated trailer sway control, hill start assist.
2018 GMC Sierra 3500HD Specifications
Vehicle Information
| Year | 2018 |
| Make | GMC |
| Model | Sierra 3500HD |
| Trim | - |
| Style | Long Box 4WD |
| Type | Pickup Truck |
| Category | Medium Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | FLINT |
Dimensions
| Doors | 2-Door |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | 197.87 cm |
| Overall Length | 569.98 cm |
| Overall Width | 203.45 cm |
| Wheelbase Length | 339.34 cm |
| Standard Seating | 3 |
Engine & Performance
| Engine | 6.6-L V-8 OHV 16V 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) | $43,500 USD |
| Invoice Price | $40,455 USD |
| Delivery Charges | - |
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What Problems Does the 2018 GMC Sierra 3500HD Have?
Frequently reported problems for the 2018 GMC Sierra 3500HD often revolve around the transmission, particularly the Allison automatic. Some owners have reported hard shifting, slipping, or even transmission failure at relatively low mileage. While not a widespread issue, it's worth noting. Rust, especially in areas that use road salt, is another concern, particularly around the undercarriage and body panels. Check for corrosion during inspection.
Infotainment system glitches, such as freezing or slow response times, have also been reported. Electrical issues, while less common, can include problems with sensors and wiring harnesses. Engine issues are less frequent, but potential problems could involve the diesel exhaust fluid (DEF) system on Duramax-equipped models.
Recalls can vary, so it's important to check the NHTSA website for any outstanding recalls related to your specific VIN. Long-term reliability largely depends on maintenance habits. Regular servicing, including fluid changes and inspections, can mitigate some of these potential issues. Earlier model years of this generation Sierra (2014-2015) had reports of "Chevy shake" (vibration at highway speeds) but this was less common in the 2018 model year. Be aware of potential problems and address them promptly to ensure long-term reliability.
Infotainment system glitches, such as freezing or slow response times, have also been reported. Electrical issues, while less common, can include problems with sensors and wiring harnesses. Engine issues are less frequent, but potential problems could involve the diesel exhaust fluid (DEF) system on Duramax-equipped models.
Recalls can vary, so it's important to check the NHTSA website for any outstanding recalls related to your specific VIN. Long-term reliability largely depends on maintenance habits. Regular servicing, including fluid changes and inspections, can mitigate some of these potential issues. Earlier model years of this generation Sierra (2014-2015) had reports of "Chevy shake" (vibration at highway speeds) but this was less common in the 2018 model year. Be aware of potential problems and address them promptly to ensure long-term reliability.
How long will the 2018 GMC Sierra 3500HD last?
With proper maintenance, a 2018 GMC Sierra 3500HD can easily reach 200,000 miles or more. Many owners report exceeding this milestone with regular servicing. Years of service can extend to 10-15 years, depending on usage and environment. Long-term durability hinges on addressing potential weaknesses like rust prevention, transmission servicing, and timely repairs. Neglecting maintenance, especially on the diesel engine, can lead to costly repairs and reduced lifespan. The powertrain, if well-maintained, is typically robust. However, components like the suspension, brakes, and electrical systems may require attention over time.
What Technology & Safety Features are Included?
The 2018 GMC Sierra 3500HD includes a range of tech, entertainment, driver-assistance, and safety features. Standard tech includes a touchscreen infotainment system with Apple CarPlay and Android Auto compatibility. Higher trims offer features like navigation and a premium Bose audio system.
Driver-assistance features vary by trim. Available options include forward collision alert, lane departure warning, and a rearview camera. Some models also have front and rear park assist. Safety features include standard StabiliTrak stability control, hill start assist, and trailer sway control.
Optional features include a spray-in bedliner, LED cargo box lighting, and a sunroof. Crash-test ratings from the IIHS and NHTSA were not specifically conducted for the 3500HD, as heavy-duty trucks are often exempt. However, the structurally similar 2500HD received good ratings in some IIHS tests. It is important to note that absence of specific ratings does not equate to lack of safety, but rather an exemption from standard testing procedures due to vehicle weight and classification. Overall, the 2018 Sierra 3500HD provides a solid suite of features, with the higher trims offering enhanced tech and safety.
Driver-assistance features vary by trim. Available options include forward collision alert, lane departure warning, and a rearview camera. Some models also have front and rear park assist. Safety features include standard StabiliTrak stability control, hill start assist, and trailer sway control.
Optional features include a spray-in bedliner, LED cargo box lighting, and a sunroof. Crash-test ratings from the IIHS and NHTSA were not specifically conducted for the 3500HD, as heavy-duty trucks are often exempt. However, the structurally similar 2500HD received good ratings in some IIHS tests. It is important to note that absence of specific ratings does not equate to lack of safety, but rather an exemption from standard testing procedures due to vehicle weight and classification. Overall, the 2018 Sierra 3500HD provides a solid suite of features, with the higher trims offering enhanced tech and safety.
What Colors Options are Available?
Exterior Colors
Summit White
Onyx Black
Quicksilver Metallic
Cardinal Red
Iridium Metallic
Deep Blue Metallic
Dark Slate Metallic
Red Quartz Tintcoat
Cajun Red Tintcoat
Pepperdust Metallic
Interior Colors
Jet Black
Dark Ash/Jet Black
2018 GMC Sierra 3500HD Prices and Market Value
When new, the 2018 GMC Sierra 3500HD ranged from approximately $35,000 for a base model to $65,000+ for a fully-equipped Denali. Current used market prices vary significantly based on condition, mileage, and trim, typically ranging from $30,000 to $50,000. Depreciation is relatively slow for heavy-duty trucks, especially diesel models. Factors affecting resale value include mileage, condition, maintenance history, and the presence of desirable options like the Duramax diesel engine and four-wheel drive. Low mileage examples in excellent condition command the highest prices.
2018 GMC Sierra 3500HD Cost of Ownership
The 2018 GMC Sierra 3500HD is generally costly to own. Insurance premiums are higher due to its size and value. Fuel costs are significant, especially with the diesel engine, although the diesel may offer better long-term value due to its longevity. Maintenance costs are moderate, but repairs, especially for the transmission or diesel engine, can be expensive. Long-term ownership costs are elevated due to fuel, insurance, and potential repair bills. This is not an economical vehicle, but it provides value for those requiring its capabilities.
2018 GMC Sierra 3500HD Fuel Efficiency
Fuel Type
Gasoline
Fuel Capacity
136.27 liters
City Mileage
-
Highway Mileage
-
2018 GMC Sierra 3500HD Warranty
Basic
Original warranty
36 months / 36,000 miles
Estimated remaining
Expired
Powertrain
Original warranty
60 months / 60,000 miles
Estimated remaining
Expired
Rust
Original warranty
72 months / 100,000 miles
Estimated remaining
Expired
2018 GMC Sierra 3500HD Insurance
Insurance for a 2018 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 2018 GMC Sierra 3500HD Compare to Other Pickup Truck?
The 2018 GMC Sierra 3500HD competes directly with the Ford Super Duty (F-350) and the Ram 3500. In terms of performance, the Sierra 3500HD offers comparable towing and hauling capabilities, with the Duramax diesel engine being a strong contender. The Ford Super Duty provides robust engine options as well, while the Ram 3500 is known for its comfortable ride quality. Feature-wise, the Sierra 3500HD offers a well-appointed interior, especially in the Denali trim, but the Ram 3500 often stands out with its luxurious interiors.
Reliability is a mixed bag, with each brand having its own set of potential issues. Ford Super Duty trucks have been known for certain engine and transmission problems, while Ram trucks have experienced some electrical issues. Price-wise, the three are typically very similar, although specific configurations can affect the final cost.
Alternatives to the Sierra 3500HD include the Chevrolet Silverado 3500HD, which is mechanically identical but offers a different exterior styling. The Ram 3500 could be a better choice if interior comfort and ride quality are top priorities. The Ford F-350 is also a solid alternative, particularly if you prefer Ford's styling and engine options. Ultimately, the best choice depends on individual preferences and priorities.
Reliability is a mixed bag, with each brand having its own set of potential issues. Ford Super Duty trucks have been known for certain engine and transmission problems, while Ram trucks have experienced some electrical issues. Price-wise, the three are typically very similar, although specific configurations can affect the final cost.
Alternatives to the Sierra 3500HD include the Chevrolet Silverado 3500HD, which is mechanically identical but offers a different exterior styling. The Ram 3500 could be a better choice if interior comfort and ride quality are top priorities. The Ford F-350 is also a solid alternative, particularly if you prefer Ford's styling and engine options. Ultimately, the best choice depends on individual preferences and priorities.
Ranks #337 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★) |
| 337 | 2018 GMC Sierra 3500HD | (0.0★) |
Final Verdict: Is the 2018 GMC Sierra 3500HD a Good Pickup Truck?
The 2018 GMC Sierra 3500HD is ideal for those who need a powerful and capable heavy-duty truck for towing and hauling. It's worth buying if you require its capabilities for work or recreational purposes. Buying used can be a good option, but a thorough inspection is crucial, especially regarding transmission health and rust. Opting for higher trims like the SLT or Denali provides more comfort and features. If you prioritize reliability, consider a well-maintained model with a documented service history. The Duramax diesel engine is a strong selling point, but be prepared for potentially higher maintenance costs. Overall, it's a solid truck if its specific strengths align with your needs.
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.