The 2021 Peterbilt 389 is a modern interpretation of a classic American long-haul truck, renowned for its iconic styling and robust build. While specific model years for this chassis can extend back, the 2021 iteration offers contemporary features. It primarily comes as a conventional tractor with various sleeper configurations. Key trims are largely defined by engine and powertrain choices. New pricing for a 2021 Peterbilt 389 typically ranged from $150,000 to over $250,000 depending on specifications. Its popularity stems from its timeless aesthetic, powerful performance, and the sense of pride and tradition it evokes among owner-operators.
The Good
The 2021 Peterbilt 389 excels in powerful performance and legendary reliability, offering a commanding presence with its classic design. Its spacious, comfortable cabin appeals to drivers on long hauls, while its robust engineering ensures lasting value and dependability for business owners.
The Bad
Potential weaknesses for the 2021 Peterbilt 389 include its premium price point, which can be a significant investment. Some users might find its advanced technology less integrated compared to newer competitors, and the focus on classic aesthetics may come at a slight compromise in aerodynamic efficiency.
2021 Peterbilt 389: Quick Overview
- Engine Options: The 2021 Peterbilt 389 is typically powered by PACCAR MX-13 engines, known for their efficiency and durability. Other Cummins ISX15 engines are also common options, offering a range of power and torque.
- PACCAR MX-13: Available in various configurations.
- Cummins ISX15: Also offered with a wide array of power ratings.
- Horsepower: Horsepower ratings commonly range from 400 hp to over 600 hp, depending on the specific engine and configuration chosen by the buyer.
- Typical Range: 400 - 600+ hp
- Torque: Torque figures often vary between 1,450 lb-ft and 2,050 lb-ft, essential for heavy-duty hauling.
- Typical Range: 1,450 - 2,050 lb-ft
- Fuel Economy: Fuel economy for heavy-duty trucks like the Peterbilt 389 is highly variable, depending on engine choice, transmission, load, terrain, and driving style. It's generally measured in miles per gallon (MPG), but specific figures are difficult to quote universally. Owners often aim for figures in the 5-7 MPG range under optimal conditions.
- Estimated Range: 5-7 MPG (highly variable)
- 0-60 Times: For a Class 8 truck, 0-60 mph times are not a standard performance metric and are not typically published. The focus is on acceleration under load, which is substantial but not measured in this manner.
- N/A (Not Applicable)
- Towing Capacity: The towing capacity is defined by its Gross Vehicle Weight Rating (GVWR) and Gross Combination Weight Rating (GCWR). Peterbilt 389 configurations are designed for heavy-duty applications, capable of hauling very significant loads, often exceeding 80,000 lbs GCWR, and can be configured for specialized heavy haul applications.
- Typical GCWR: 80,000+ lbs, configurable for much higher loads
- Trim-Level Features: While Peterbilt doesn't have distinct "trims" in the consumer car sense, specifications are heavily customized. Key features and options that define a build include:
- Aerodynamics: Various aerodynamic packages, including fairings and chassis skirts.
- Interiors: A wide range of interior options, from basic day cabs to luxurious sleeper configurations with amenities like refrigerators, microwaves, and premium upholstery.
- Axle Configurations: Different axle setups (e.g., tandem, tridem) to suit specific hauling needs.
- Suspension: Various suspension systems (e.g., Peterbilt Air Trac, Flex Air) for ride comfort and load capacity.
- Wheels and Tires: Customization options for wheels and tire sizes.
- Exterior Styling: Extensive customization for grille, lights, chrome accents, and paint.
- Advanced Transmissions: Options for manual and automated manual transmissions (AMTs) from manufacturers like Eaton.
2021 Peterbilt 389 Specifications
Vehicle Information
| Year | 2021 |
| Make | Peterbilt |
| Model | 389 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Heavy Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | DENTON |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 33001 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 14.9-L L-6 Diesel |
| Engine Size | 14.9L |
| Engine Cylinders | 6 |
| Transmission | - |
| Transmission Type | - |
| Transmission Speeds | - |
| Drivetrain | 6x4 |
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 2021 Peterbilt 389 Have?
The 2021 Peterbilt 389, being a relatively new model year for a heavy-duty truck, generally exhibits robust reliability. However, like any complex vehicle, some common areas of attention can arise. Frequently reported issues often revolve around electrical systems and components. Owners have occasionally noted minor glitches with dashboard displays, sensors, or auxiliary lighting systems, which are typically addressable through software updates or component replacement. In some instances, issues related to exhaust gas recirculation (EGR) systems or diesel particulate filters (DPF) have been reported, which are common maintenance points for modern diesel engines and are often influenced by driving cycles (e.g., frequent short trips can exacerbate these).
Recalls for heavy-duty trucks are usually tied to specific component failures or safety-related issues from suppliers. For the 2021 model year, specific recalls would need to be verified through official channels like the NHTSA database. Generally, recalls for Peterbilt trucks can involve issues with braking systems, steering components, or electrical harnesses. For instance, a past recall might have addressed a faulty sensor in the ABS system or a potential wiring issue in a specific module. It's crucial for owners to regularly check for any outstanding recalls for their specific VIN.
Long-term reliability concerns for the Peterbilt 389 are typically more related to the comprehensive maintenance regimen required for a Class 8 truck rather than inherent design flaws. Regular fluid changes, filter replacements, brake inspections, and tire rotations are paramount. Owners who adhere to a strict preventative maintenance schedule tend to experience excellent longevity. Issues that can arise over many years and hundreds of thousands of miles might include wear and tear on suspension components, driveline issues, or turbocharger degradation, especially if the truck is operated in severe conditions or with consistently heavy loads. The PACCAR MX-13 engine, however, is generally regarded as a very durable and reliable powerplant when properly maintained. Model year-specific issues are less common for the 389 as it maintains a consistent design philosophy, but improvements are made year over year.
Recalls for heavy-duty trucks are usually tied to specific component failures or safety-related issues from suppliers. For the 2021 model year, specific recalls would need to be verified through official channels like the NHTSA database. Generally, recalls for Peterbilt trucks can involve issues with braking systems, steering components, or electrical harnesses. For instance, a past recall might have addressed a faulty sensor in the ABS system or a potential wiring issue in a specific module. It's crucial for owners to regularly check for any outstanding recalls for their specific VIN.
Long-term reliability concerns for the Peterbilt 389 are typically more related to the comprehensive maintenance regimen required for a Class 8 truck rather than inherent design flaws. Regular fluid changes, filter replacements, brake inspections, and tire rotations are paramount. Owners who adhere to a strict preventative maintenance schedule tend to experience excellent longevity. Issues that can arise over many years and hundreds of thousands of miles might include wear and tear on suspension components, driveline issues, or turbocharger degradation, especially if the truck is operated in severe conditions or with consistently heavy loads. The PACCAR MX-13 engine, however, is generally regarded as a very durable and reliable powerplant when properly maintained. Model year-specific issues are less common for the 389 as it maintains a consistent design philosophy, but improvements are made year over year.
How long will the 2021 Peterbilt 389 last?
The 2021 Peterbilt 389, when properly maintained, is designed for exceptional longevity. Owner data and industry standards suggest that these trucks can achieve well over a million miles of service. Typical annual mileage for a long-haul truck can range from 100,000 to 150,000 miles or more. Therefore, a 2021 Peterbilt 389 could realistically be in service for 7-10 years or longer before major overhauls are consistently needed.
Long-term durability is a hallmark of Peterbilt trucks, with the 389 chassis being built for demanding vocational use. Weaknesses that might emerge over time are generally related to wear and tear on components that are subject to constant stress, such as suspension parts, driveline, and engine accessories like turbochargers or after-treatment systems, especially under heavy, continuous loads and varying weather conditions. However, the core structure and powertrain are incredibly robust. Diligent maintenance, including regular fluid changes, filter replacements, and proactive inspections, is key to maximizing its lifespan and preventing premature component failure.
Long-term durability is a hallmark of Peterbilt trucks, with the 389 chassis being built for demanding vocational use. Weaknesses that might emerge over time are generally related to wear and tear on components that are subject to constant stress, such as suspension parts, driveline, and engine accessories like turbochargers or after-treatment systems, especially under heavy, continuous loads and varying weather conditions. However, the core structure and powertrain are incredibly robust. Diligent maintenance, including regular fluid changes, filter replacements, and proactive inspections, is key to maximizing its lifespan and preventing premature component failure.
What Technology & Safety Features are Included?
The 2021 Peterbilt 389 blends classic styling with modern technology, although its tech integration is geared towards functionality and driver productivity rather than flashy infotainment. Standard features typically include essential instrumentation, a robust HVAC system for driver comfort, and a basic AM/FM radio with auxiliary input.
Optional technology and entertainment features can significantly enhance the driving experience and operational efficiency. Buyers can opt for upgraded infotainment systems that might include Bluetooth connectivity for hands-free calling and audio streaming, allowing drivers to stay connected. Navigation systems can also be integrated, aiding in route planning. For longer hauls, premium sleeper cabins can be equipped with amenities like flat-screen televisions, advanced climate control, and enhanced sound insulation.
Driver-assistance and safety features are progressively being integrated into heavy-duty trucks. While the 2021 389 might not offer the same breadth of advanced driver-assistance systems (ADAS) as passenger vehicles, options like advanced stability control systems can be available. Some models can be equipped with forward-facing cameras for improved visibility and object detection, and optional integrated backup cameras enhance safety during maneuvering. Anti-lock Braking Systems (ABS) are standard.
Peterbilt trucks, including the 389, are built to stringent safety standards for commercial vehicles. However, comprehensive crash-test ratings, akin to those for passenger cars (e.g., NHTSA's star ratings), are not typically conducted or published for Class 8 trucks due to their vastly different construction and operational environments. Instead, safety compliance is assessed through various federal motor vehicle safety standards (FMVSS) related to structural integrity, braking, lighting, and visibility. The robust construction and advanced braking systems are the primary safety components for these large vehicles. The focus is on protecting the driver and occupants within the cab during various operational scenarios and ensuring the vehicle's safe operation on public roads.
Optional technology and entertainment features can significantly enhance the driving experience and operational efficiency. Buyers can opt for upgraded infotainment systems that might include Bluetooth connectivity for hands-free calling and audio streaming, allowing drivers to stay connected. Navigation systems can also be integrated, aiding in route planning. For longer hauls, premium sleeper cabins can be equipped with amenities like flat-screen televisions, advanced climate control, and enhanced sound insulation.
Driver-assistance and safety features are progressively being integrated into heavy-duty trucks. While the 2021 389 might not offer the same breadth of advanced driver-assistance systems (ADAS) as passenger vehicles, options like advanced stability control systems can be available. Some models can be equipped with forward-facing cameras for improved visibility and object detection, and optional integrated backup cameras enhance safety during maneuvering. Anti-lock Braking Systems (ABS) are standard.
Peterbilt trucks, including the 389, are built to stringent safety standards for commercial vehicles. However, comprehensive crash-test ratings, akin to those for passenger cars (e.g., NHTSA's star ratings), are not typically conducted or published for Class 8 trucks due to their vastly different construction and operational environments. Instead, safety compliance is assessed through various federal motor vehicle safety standards (FMVSS) related to structural integrity, braking, lighting, and visibility. The robust construction and advanced braking systems are the primary safety components for these large vehicles. The focus is on protecting the driver and occupants within the cab during various operational scenarios and ensuring the vehicle's safe operation on public roads.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
2021 Peterbilt 389 Prices and Market Value
When new, the 2021 Peterbilt 389 represented a significant investment, with base prices often starting around $150,000 and quickly escalating to over $250,000 depending on the extensive customization options, engine choices, and sleeper configurations.
Currently, the used market for a 2021 Peterbilt 389 shows strong demand, reflecting its desirability and build quality. Prices for well-maintained units typically range from $100,000 to $200,000 or more. Depreciation on these trucks is generally slower than for lighter commercial vehicles, especially for those with desirable specifications and a proven maintenance history. Factors significantly affecting resale value include mileage, engine hours, overall condition, tire wear, adherence to maintenance schedules, and the presence of any desirable factory options or aftermarket upgrades. Trucks with lower mileage and impeccable service records command the highest prices.
Currently, the used market for a 2021 Peterbilt 389 shows strong demand, reflecting its desirability and build quality. Prices for well-maintained units typically range from $100,000 to $200,000 or more. Depreciation on these trucks is generally slower than for lighter commercial vehicles, especially for those with desirable specifications and a proven maintenance history. Factors significantly affecting resale value include mileage, engine hours, overall condition, tire wear, adherence to maintenance schedules, and the presence of any desirable factory options or aftermarket upgrades. Trucks with lower mileage and impeccable service records command the highest prices.
2021 Peterbilt 389 Cost of Ownership
Owning a 2021 Peterbilt 389 is a significant financial commitment, placing it in the costly category. Insurance premiums are substantial due to the vehicle's high value and the inherent risks of commercial trucking. Fuel costs are a major ongoing expense, highly dependent on the engine's efficiency, mileage driven, and diesel prices. Maintenance is extensive and essential, with regular services, tire replacement, and potential component wear adding up. Repairs can also be costly, involving specialized technicians and expensive parts. While the truck's durability offers long-term value, the upfront and ongoing operational expenses mean it is not an economical vehicle to own for the casual user, but rather a vital business asset where operating costs are factored into revenue generation.
2021 Peterbilt 389 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
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2021 Peterbilt 389 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
2021 Peterbilt 389 Insurance
Insurance for a 2021 Peterbilt 389 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2021 Peterbilt 389 Compare to Other Truck?
The 2021 Peterbilt 389 competes in the premium long-haul conventional tractor segment against formidable rivals such as the Kenworth W990, International LT Series, and Volvo VNL.
Performance: The Peterbilt 389, often equipped with PACCAR or Cummins engines, delivers class-leading power and torque, suitable for heavy hauling. Kenworth's W990 offers comparable performance with its own robust engine options. The International LT and Volvo VNL also provide strong performance, though Peterbilt and Kenworth are often perceived as having a slight edge in raw power delivery and hauling grunt, particularly in their most potent configurations.
Features: In terms of features, the 389 focuses on driver comfort and iconic styling. Its interior can be highly customized, offering luxury options. The Kenworth W990 is a direct competitor, sharing many similarities in customizable interiors and driver-centric features. The International LT and Volvo VNL tend to offer more integrated modern technology and driver-assistance systems as standard or readily available options, which might appeal to buyers prioritizing cutting-edge tech over classic aesthetics.
Reliability: Peterbilt and Kenworth have a long-standing reputation for exceptional build quality and reliability, often considered industry benchmarks. Their rugged construction and durable powertrains are key selling points. International and Volvo also offer good reliability, but historically, Peterbilt and Kenworth often receive slightly higher marks for long-term durability and lower long-term maintenance costs, especially for the engine and chassis components.
Price: The 2021 Peterbilt 389 is positioned at the higher end of the price spectrum, reflecting its premium nature and iconic styling. The Kenworth W990 is similarly priced, often being a direct competitor in cost. The International LT and Volvo VNL can sometimes be found at slightly lower price points, especially when comparing base models, offering more value for those who don't require the extreme customization or classic styling of Peterbilt or Kenworth.
Alternatives: For those seeking similar classic styling and robust performance, the Kenworth W990 is the most direct and comparable alternative. If cutting-edge technology and a more modern, integrated feature set are prioritized, while still maintaining strong performance and reliability, the Volvo VNL or the International LT Series are excellent options. Ultimately, the choice often comes down to brand loyalty, specific aesthetic preferences, and the desired balance between classic design and advanced technological integration.
Performance: The Peterbilt 389, often equipped with PACCAR or Cummins engines, delivers class-leading power and torque, suitable for heavy hauling. Kenworth's W990 offers comparable performance with its own robust engine options. The International LT and Volvo VNL also provide strong performance, though Peterbilt and Kenworth are often perceived as having a slight edge in raw power delivery and hauling grunt, particularly in their most potent configurations.
Features: In terms of features, the 389 focuses on driver comfort and iconic styling. Its interior can be highly customized, offering luxury options. The Kenworth W990 is a direct competitor, sharing many similarities in customizable interiors and driver-centric features. The International LT and Volvo VNL tend to offer more integrated modern technology and driver-assistance systems as standard or readily available options, which might appeal to buyers prioritizing cutting-edge tech over classic aesthetics.
Reliability: Peterbilt and Kenworth have a long-standing reputation for exceptional build quality and reliability, often considered industry benchmarks. Their rugged construction and durable powertrains are key selling points. International and Volvo also offer good reliability, but historically, Peterbilt and Kenworth often receive slightly higher marks for long-term durability and lower long-term maintenance costs, especially for the engine and chassis components.
Price: The 2021 Peterbilt 389 is positioned at the higher end of the price spectrum, reflecting its premium nature and iconic styling. The Kenworth W990 is similarly priced, often being a direct competitor in cost. The International LT and Volvo VNL can sometimes be found at slightly lower price points, especially when comparing base models, offering more value for those who don't require the extreme customization or classic styling of Peterbilt or Kenworth.
Alternatives: For those seeking similar classic styling and robust performance, the Kenworth W990 is the most direct and comparable alternative. If cutting-edge technology and a more modern, integrated feature set are prioritized, while still maintaining strong performance and reliability, the Volvo VNL or the International LT Series are excellent options. Ultimately, the choice often comes down to brand loyalty, specific aesthetic preferences, and the desired balance between classic design and advanced technological integration.
Final Verdict: Is the 2021 Peterbilt 389 a Good Truck?
The 2021 Peterbilt 389 is an exceptional choice for owner-operators and fleet managers who prioritize iconic American styling, robust performance, and long-term durability. It is ideal for those who appreciate the heritage and prestige associated with the Peterbilt brand and view their truck as a significant investment and a mobile billboard for their business.
It is certainly worth buying for the right application. Given its premium pricing when new, purchasing a used 2021 Peterbilt 389 is often the more economical route, offering excellent value and proven reliability. Look for trucks with lower mileage, comprehensive service records, and specifications that match your hauling needs. Specific trims that offer powerful PACCAR or Cummins engines and well-maintained sleeper units are particularly desirable for long-haul operations. If budget allows and the classic aesthetic is a priority, a new or nearly new 389 is an investment that pays dividends in pride of ownership and operational capability.
It is certainly worth buying for the right application. Given its premium pricing when new, purchasing a used 2021 Peterbilt 389 is often the more economical route, offering excellent value and proven reliability. Look for trucks with lower mileage, comprehensive service records, and specifications that match your hauling needs. Specific trims that offer powerful PACCAR or Cummins engines and well-maintained sleeper units are particularly desirable for long-haul operations. If budget allows and the classic aesthetic is a priority, a new or nearly new 389 is an investment that pays dividends in pride of ownership and operational capability.
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.