The 2018 Peterbilt 377 is a classic conventional heavy-duty truck known for its robust construction and iconic styling. While the 377 model itself saw its production run conclude prior to 2018, its legacy and engineering principles heavily influenced later models, and a pre-owned 2018 Peterbilt 377 would still embody these enduring qualities. It typically featured a day cab or sleeper configuration. Its popularity stems from its legendary durability, driver comfort, and customizable aesthetics, making it a favored choice for owner-operators and fleets alike. Pricing for a used 2018 Peterbilt 377 can vary significantly based on mileage, condition, and specifications, often ranging from $50,000 to over $100,000.
The Good
The 2018 Peterbilt 377 offers exceptional reliability and robust performance, ensuring operational uptime. Its legendary build quality and driver-centric design provide superior comfort for long hauls. Emotionally, it appeals with its timeless, commanding presence, while practically, its durability translates to long-term value and reduced operational headaches.
The Bad
While incredibly durable, a key weakness of older Peterbilt models, including a 2018 377, can be dated technology and potentially higher maintenance costs for certain specialized components compared to newer, more electronically integrated trucks. Potential buyers should watch out for wear and tear on the powertrain and chassis, and inspect older electrical systems carefully.
2018 Peterbilt 377: Quick Overview
- Engine Options: The 2018 Peterbilt 377 would typically be equipped with powerful PACCAR engines, most commonly the MX-13, but could also feature Cummins ISX series engines depending on the original specification. Other potential options include Detroit Diesel engines.
- Horsepower: Horsepower ratings would vary significantly based on the specific engine chosen, but generally ranged from 380 horsepower up to 600 horsepower. Higher horsepower was typically selected for heavy-duty hauling applications.
- Fuel Economy: Fuel economy for a truck of this class is measured in miles per gallon (MPG) and is highly dependent on the engine, transmission, gearing, load, and driving conditions. Expect figures to range from 5 to 7 MPG on average, with optimizations for highway driving potentially yielding slightly better results.
- 0-60 Times: 0-60 mph times are not a standard metric for heavy-duty trucks and are largely irrelevant due to their operational purpose. When loaded, acceleration would be gradual, prioritizing torque and hauling power over speed.
- Towing Capacity: The towing capacity is exceptionally high, designed for Class 8 applications. It can range from 80,000 lbs Gross Combined Weight Rating (GCWR) for standard applications up to 150,000 lbs or more for specialized heavy haul configurations.
- Trim-Level Features: Peterbilt trucks are highly customizable. Key features available across different specifications and optional packages include:
- Cab Options: Day Cab (for local and regional routes) and various Sleeper configurations (e.g., 40-inch, 63-inch, 70-inch) for long-haul drivers, offering living space, beds, and storage.
- Chassis Configurations: Various axle configurations (e.g., Tandem Rear Axles) and wheelbases to suit different hauling needs.
- Interior Appointments: Available in different levels of refinement, from basic functional interiors to premium options with upgraded seats, enhanced insulation, advanced climate control, and digital displays.
- Aerodynamics: Options for aerodynamic fairings, roof fairings, and side skirts to improve fuel efficiency.
- Drivetrain: A wide range of transmissions, including manual and automatic (e.g., Eaton Fuller, Allison), and differential options.
- Safety Features: Standard safety equipment would include robust braking systems, ABS, and potentially advanced driver-assistance systems depending on the options selected and factory fitment for the 2018 model year.
2018 Peterbilt 377 Specifications
Vehicle Information
| Year | 2018 |
| Make | Peterbilt |
| Model | 377 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Medium Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | DENTON |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | - |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 12.9-L L-6 Diesel |
| Engine Size | 12.9L |
| 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 | - |
Vehicle History Report
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What Problems Does the 2018 Peterbilt 377 Have?
While the Peterbilt 377 is renowned for its durability, any heavy-duty truck, especially one that has been in service for a few years, can develop common issues. For a 2018 Peterbilt 377, frequently reported problems often revolve around routine wear and tear and the complexity of modern diesel powertrains. Common concerns for trucks of this era include potential issues with the Diesel Particulate Filter (DPF) system, which requires regular regeneration and can become clogged if not maintained properly, leading to performance issues and costly repairs. Exhaust Gas Recirculation (EGR) systems are another area that can develop problems due to carbon buildup. Electrical gremlins, while less common in Peterbilt's robust build, can still arise, manifesting as intermittent warning lights or malfunctioning gauges. Transmission issues, though infrequent with proper maintenance, can occur, particularly with high mileage. Clutches, brake systems, and suspension components are all subject to wear over time and mileage. Recalls for Peterbilt trucks are typically issued by PACCAR, the parent company, and are generally related to specific components or manufacturing batches. For a 2018 model, recalls might address issues with braking systems, electrical harnesses, or fuel systems. It's crucial for prospective buyers to check the National Highway Traffic Safety Administration (NHTSA) website for any outstanding recalls associated with the specific VIN. Long-term reliability is generally excellent if the truck has been meticulously maintained according to manufacturer recommendations. Neglect in terms of oil changes, fluid checks, and filter replacements will inevitably lead to premature wear and costly repairs. For example, neglecting the cooling system can lead to overheating and severe engine damage. Similarly, improper tire maintenance can affect fuel economy and tire life. Owners often report that while the core mechanicals are solid, the surrounding systems and electronics can be more prone to issues as the truck ages. Early model years of specific engine platforms might have had more documented issues than later ones, but the 2018 model year generally benefits from improvements and refinements made over previous years.
How long will the 2018 Peterbilt 377 last?
A 2018 Peterbilt 377, with diligent maintenance, can realistically achieve over 1 million miles, with many units exceeding 1.5 million miles before a major overhaul. Owner data and maintenance habits are the most critical factors. Trucks used for long-haul, steady-state highway driving with consistent maintenance schedules (oil changes, filter replacements, DPF cleaning) will endure significantly longer. Weaknesses that emerge over time are typically related to wear on components like the clutch, air compressor, suspension bushings, and alternator. While the core engine and transmission can last hundreds of thousands of miles with proper care, auxiliary systems and cabin components might show signs of age sooner. Proper lubrication, regular inspections, and addressing minor issues promptly are key to maximizing the truck's lifespan and avoiding significant, costly failures.
What Technology & Safety Features are Included?
The 2018 Peterbilt 377, while prioritizing ruggedness and functionality, would offer a range of technological features, though generally less advanced than contemporary light-duty vehicles. Built-in technology would likely include a standard AM/FM radio with auxiliary input and USB ports. More advanced infotainment systems, featuring touchscreens, Bluetooth connectivity for hands-free calling and audio streaming, and integrated navigation, would have been optional upgrades. Driver-assistance features, while not as pervasive as in modern consumer vehicles, could include optional systems like lane departure warnings and adaptive cruise control, depending on the specific build and factory options. Advanced safety features typically focus on passive safety and robust mechanical systems. Standard safety equipment would include anti-lock braking systems (ABS), durable seat belts, and powerful halogen or LED lighting for excellent visibility. Air disc brakes might have been an option for enhanced stopping power. While heavy-duty trucks like the Peterbilt 377 are not typically subjected to the same crash-test ratings as passenger cars by agencies like the NHTSA or IIHS, their design is inherently robust. The frame and cab structure are engineered for extreme durability and occupant protection in severe operational environments. Expect features like a reinforced cab structure, impact-absorbing steering columns, and potentially side-impact protection depending on the specific configuration and options chosen. The focus is on structural integrity and reliable mechanical safety systems rather than extensive electronic driver aids found in lighter vehicles. Optional features could extend to advanced telematics systems for fleet management, providing real-time vehicle diagnostics, location tracking, and driver behavior monitoring.
What Colors Options are Available?
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In the meantime, feel free to explore the other sections for more content.
In the meantime, feel free to explore the other sections for more content.
2018 Peterbilt 377 Prices and Market Value
When new, a 2018 Peterbilt 377 could range anywhere from $100,000 to upwards of $200,000 or more, depending heavily on the configuration, engine choice, and optional features. Depreciation for heavy-duty trucks is generally slower than for light-duty vehicles, especially for well-maintained Peterbilts, which hold their value exceptionally well due to their durability and reputation. Current used market prices for a 2018 Peterbilt 377 can vary significantly, typically falling between $50,000 and $120,000. Key factors affecting resale value include mileage, overall condition (cosmetic and mechanical), maintenance history, tire condition, and the presence of desirable options like a spacious sleeper or a premium engine. Trucks with lower mileage and a documented service history will command higher prices. The demand for reliable, established truck models like the Peterbilt 377 also contributes to strong residual values.
2018 Peterbilt 377 Cost of Ownership
Owning a 2018 Peterbilt 377 involves substantial costs. Insurance premiums will be high, reflecting the vehicle's value and the nature of commercial trucking. Fuel costs are a major ongoing expense, with MPG heavily influenced by load, route, and driver habits, often in the 5-7 MPG range. Routine maintenance, including oil changes, filter replacements, and DPF servicing, will be significant. Repair costs for major components like engines or transmissions can be very high. Overall, while the initial purchase price might be high, and ongoing operational costs are considerable, the long-term durability and potential for high mileage can make it economical for heavy-duty commercial use when compared to its lifespan and earning potential. It is generally considered costly to own, but its value proposition lies in its earning capacity and longevity.
2018 Peterbilt 377 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
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Highway Mileage
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2018 Peterbilt 377 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
2018 Peterbilt 377 Insurance
Insurance for a 2018 Peterbilt 377 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 2018 Peterbilt 377 Compare to Other Truck?
The 2018 Peterbilt 377 competes in the heavy-duty Class 8 truck market against formidable rivals such as the Kenworth T680, Freightliner Cascadia, and International LT Series. In terms of performance, the Peterbilt 377 is known for its robust powertrain options, often comparable to its peers, offering strong hauling power with various PACCAR and Cummins engine choices. Reliability is where Peterbilt typically shines. While all these trucks are built for demanding work, Peterbilt has a long-standing reputation for superior build quality and durability, often outlasting competitors in the long run, particularly in challenging conditions. Features on the 2018 377 might be perceived as more traditional compared to the more aerodynamically focused and feature-rich newer generations of the Cascadia or LT. While the 377 offers comfort and functionality, rivals like the T680 might boast more advanced interior amenities, fuel-saving aerodynamics, and a slightly more modern tech interface in their latest iterations. Price-wise, a used 2018 Peterbilt 377 can be competitive. New, they were often priced similarly to or slightly higher than comparable Kenworths or Freightliners, reflecting the premium Peterbilt brand. Used, their strong resale value means they might appear more expensive than some rivals with similar mileage and age, but this reflects their enduring quality. Alternatives that offer similar ruggedness and reliability include the Kenworth T660 or T800, which share much of Peterbilt's underlying engineering. For buyers prioritizing cutting-edge aerodynamics and the latest in fuel-saving technology, a used Freightliner Cascadia or a newer generation International LT might be considered. However, for those who value timeless design, legendary durability, and a commanding presence, the Peterbilt 377 remains a top-tier choice, and finding a better alternative that perfectly matches its balance of legacy, performance, and long-term value is difficult.
Final Verdict: Is the 2018 Peterbilt 377 a Good Truck?
The 2018 Peterbilt 377 is ideal for owner-operators and fleet managers who prioritize legendary durability, robust performance, and a classic truck aesthetic. It is an excellent choice for long-haul trucking, heavy hauling, and specialized vocational applications where longevity and reliability are paramount. It is absolutely worth buying, especially on the used market, provided it has been well-maintained. Buying used is the only practical option as the 377 model line concluded prior to 2018. Focus on trucks with comprehensive service records. Specific trims with larger sleeper cabs would be better suited for long-haul drivers, while day cabs are perfect for regional or local routes. It represents a significant investment, but its proven track record of high mileage and strong resale value makes it a sound long-term asset for those who understand its enduring qualities.
Jovan
Jovan specializes in interpreting vehicle records and making sense of VIN data. With over 10 years of experience in the automotive data industry, his work ensures that every report is clear, accurate, and useful for car buyers.