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2019 Peterbilt 377 Overview, Reviews, Ratings & Specs

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Cathleen V | November 12, 2025
The 2019 Peterbilt 377 is a legendary Class 8 vocational truck, celebrated for its ruggedness and classic styling. While not officially produced in 2019, its legacy continues through the used market, representing models from its production run. It primarily features a conventional cab body style, often seen in day cab and various sleeper configurations. Popularity stems from its robust build, driver-focused design, and iconic Peterbilt aesthetic, making it a sought-after workhorse for demanding applications.
The Good

The 2019 Peterbilt 377 boasts exceptional durability and a powerful performance engineered for hard work. Its classic, imposing design appeals to pride and brand loyalty, while a driver-centric cabin offers surprising comfort for long hauls. This truck represents solid value through its longevity and robust construction, ensuring a reliable partner for any demanding task.

The Bad

Potential weaknesses for the 2019 Peterbilt 377 (representing older models) include the possibility of aging electronics and wear and tear on components due to its vocational nature. Older units might require more frequent maintenance for DPF systems and potential issues with suspension or drivetrain components. Fuel efficiency may also lag behind newer, more advanced models.

2019 Peterbilt 377: Quick Overview

  • Engine Options: The 2019 Peterbilt 377 (representing its production years) was typically equipped with powerful PACCAR engines. Common options included the PACCAR MX-13, Cummins ISX, and Detroit Diesel Series 60 engines. These are heavy-duty diesel engines designed for vocational and long-haul applications.
  • Horsepower: Horsepower ratings varied significantly based on the specific engine and configuration, generally ranging from 300 hp to over 600 hp. For example, the PACCAR MX-13 could be found in the 380 hp to 485 hp range, while Cummins ISX engines offered even higher outputs.
  • Fuel Economy: Fuel economy for trucks of this era and class is measured differently than for passenger vehicles and is highly dependent on load, terrain, driving style, and specific engine tuning. It would typically be in the range of 5-7 miles per gallon (MPG) for highway operations.
  • 0-60 Times: 0-60 mph times are not a standard metric for heavy-duty trucks and are not typically provided or relevant. These vehicles are designed for hauling substantial loads, not for rapid acceleration.
  • Towing Capacity: The towing capacity of a Peterbilt 377 is substantial, designed for Class 8 applications. It is typically rated to tow heavy trailers and equipment, with Gross Combination Weight Ratings (GCWR) often exceeding 80,000 lbs and capable of much higher depending on configuration, axle ratings, and chassis.
  • Trim-Level Features: As a vocational truck, the 377 did not have traditional 'trim levels' in the same way as a consumer vehicle. Instead, features were highly customizable and based on the intended application. Common features and options included various cab configurations (day cab, various sleeper lengths), air-ride suspension systems, advanced braking systems (ABS), power steering, and robust interior appointments focused on driver comfort and functionality for extended periods. Premium interior materials and advanced telematics were optional.

2019 Peterbilt 377 Specifications

Vehicle Information
Year 2019
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 -

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What Problems Does the 2019 Peterbilt 377 Have?

When discussing the 2019 Peterbilt 377, it's crucial to remember that 2019 was not a production year. Therefore, we must consider issues common to Peterbilt 377 models manufactured in the years leading up to their discontinuation. As a robust vocational truck, the Peterbilt 377 is generally known for its longevity and reliability. However, like any heavy-duty vehicle that has seen extensive service, certain issues can arise over time, particularly on older models.

Commonly reported concerns across various model years often relate to the powertrain and its associated systems. For trucks operating in demanding environments, regular maintenance is paramount. Issues that might surface include those with the diesel particulate filter (DPF) system, especially if the truck is used for frequent short-haul or stop-and-go driving, which can lead to clogging. Transmission issues, while not inherently common to the 377 model itself, can occur with heavy use and mileage, ranging from clutch wear to more significant internal gearbox problems.

Electrical gremlins are another area to watch out for in older trucks. Wiring harnesses, sensors, and control modules can degrade over time, leading to intermittent or persistent faults in various systems, from engine diagnostics to dashboard indicators. Air brake systems, being critical for safety, require diligent inspection and maintenance; component wear such as air leaks or brake chamber issues are possible. Suspension components, particularly air springs and shock absorbers, can wear out, impacting ride quality and handling.

Specific recalls would be tied to individual model years within the 377's production run. Owners should always consult the NHTSA website or Peterbilt for recall information pertinent to the specific VIN of a truck they are considering. Long-term reliability hinges heavily on the quality and consistency of maintenance performed. A well-maintained 377 can continue to serve reliably for hundreds of thousands of miles, but neglect will inevitably lead to more frequent and costly repairs.

How long will the 2019 Peterbilt 377 last?

The 2019 Peterbilt 377 (representing its production era) is built for the long haul, with durability being one of its hallmark strengths. On average, well-maintained Peterbilt 377s can reliably serve owners for 500,000 to over 1,000,000 miles. Many operators aim for 10-15 years of service or more, depending on their specific usage and how rigorously they adhere to scheduled maintenance. The robust chassis and high-quality powertrain components contribute to this longevity. Weaknesses that may emerge over extensive use often involve wear and tear on auxiliary systems like air conditioning, electrical components, and suspension bushings. However, the core structure and drivetrain are typically very durable, making them a sound investment for those who prioritize longevity and are committed to proactive maintenance.

What Technology & Safety Features are Included?

The 2019 Peterbilt 377, reflecting its production era, typically features a functional and driver-oriented interior rather than an abundance of high-tech gadgets. Built-in technology is primarily focused on essential operational data and creature comforts for long-haul drivers. The primary entertainment system would likely be a robust AM/FM radio with auxiliary input, and potentially satellite radio capability as an option. Modern infotainment systems with large touchscreens, Apple CarPlay, or Android Auto were not standard or commonly available on 377 models during its production years.

Driver-assistance features on older 377 models are generally limited. Advanced cruise control, lane departure warning, or automatic emergency braking systems were not prevalent. Safety features were more focused on passive systems and structural integrity. This includes robust cab construction designed to withstand impacts, standard seatbelts, and powerful braking systems. Antilock Braking Systems (ABS) were standard on most models for enhanced control during braking.

Optional features could include enhanced climate control systems, improved driver seating with advanced suspension for comfort, auxiliary power outlets, and more sophisticated diagnostic tools integrated into the dashboard. Sleeper cabs could also be optioned with amenities like refrigerators, comfortable sleeping berths, and storage solutions.

Crash-test ratings for heavy-duty commercial trucks like the Peterbilt 377 are not typically performed or published by organizations like the NHTSA in the same way as passenger vehicles. The focus for these trucks is on meeting stringent federal motor vehicle safety standards (FMVSS) related to structural integrity, braking performance, and occupant protection in severe accident scenarios. Their sheer size and robust construction inherently provide a significant level of passive safety.

What Colors Options are Available?

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2019 Peterbilt 377 Prices and Market Value

As the 2019 Peterbilt 377 was not a new model in 2019, pricing refers to models from its production years. When new, a Peterbilt 377 could range significantly, often from around $100,000 to upwards of $150,000 or more, depending on the configuration, engine, and options chosen. On the current used market, prices for a 2019 Peterbilt 377 (representing its production era) can vary widely, typically falling between $30,000 and $80,000, heavily influenced by mileage, condition, age, and specific specifications. Peterbilt trucks, especially well-maintained ones, hold their value relatively well compared to many other vehicle classes due to their durability and demand in the trucking industry. Factors affecting resale value include engine hours, overall condition, maintenance history, tire wear, and any aftermarket modifications. Trucks with lower mileage and comprehensive service records command higher prices.

2019 Peterbilt 377 Cost of Ownership

Owning a 2019 Peterbilt 377 (representing its production era) is generally considered moderately to highly costly, reflecting its commercial nature. Insurance premiums will be substantial, reflecting the high value of the asset and the associated risks of commercial operation. Fuel costs are significant, dictated by diesel prices and the truck's inherent fuel consumption (typically 5-7 MPG). Maintenance and repair costs are also considerable; while designed for durability, specialized mechanics and parts for heavy-duty trucks are more expensive. Regular, preventative maintenance is crucial to avoid larger, costlier repairs down the line. Overall, it is not an economical vehicle for personal use but can be cost-effective for businesses that leverage its durability and hauling capabilities.

2019 Peterbilt 377 Fuel Efficiency

Fuel Type Diesel
Fuel Capacity -
City Mileage -
Highway Mileage -

2019 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

2019 Peterbilt 377 Insurance

Insurance for a 2019 Peterbilt 377 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2019 Peterbilt 377 Compare to Other Truck?

The 2019 Peterbilt 377, representing its production era, competes in the heavy-duty vocational and over-the-road truck segment. Its key rivals include models from Kenworth (like the T800 or W900 series), Freightliner (such as the Coronado or Cascadia vocational variants), and International (like the ProStar or LoneStar).

Performance: The 377 is renowned for its robust powertrain options, often offering competitive horsepower and torque figures comparable to its rivals, making it suitable for heavy hauling and demanding applications. Engines from PACCAR, Cummins, and Detroit Diesel are common across these manufacturers, providing similar performance capabilities.

Features: In terms of features, Peterbilt has historically prioritized driver comfort and operational efficiency. While rivals like Freightliner may offer slightly more advanced integrated technology or aerodynamic designs in their newer models, the 377 offers a solid, no-nonsense interior focused on functionality and durability. Kenworth trucks are often seen as direct competitors with similar levels of build quality and driver-centric design. International trucks can offer a wider range of configurations and sometimes more aggressive pricing.

Reliability: Peterbilt trucks, including the 377, are generally regarded as highly reliable and durable, often surpassing competitors in long-term ownership, especially when properly maintained. Kenworth trucks share this reputation for ruggedness. Freightliner and International also offer reliable vehicles, but Peterbilt and Kenworth often have a slight edge in perceived build quality and longevity by many owner-operators.

Price: New pricing would have been competitive within the premium heavy-duty truck market. On the used market, a Peterbilt 377 generally holds its value well, reflecting its reputation. It might be priced slightly higher than comparable Freightliner or International models but often aligns closely with Kenworth.

Alternatives: If seeking a similar caliber of robustness and classic styling, a used Kenworth W900 or T800 would be an excellent alternative. For those prioritizing slightly more modern features or potentially a newer model year for a similar price, a Freightliner Cascadia vocational model or an International LT series could be considered, though they might offer a different aesthetic and feel.

Final Verdict: Is the 2019 Peterbilt 377 a Good Truck?

The 2019 Peterbilt 377, representing its production era, is ideal for owner-operators and small to medium-sized businesses in the trucking industry who prioritize ruggedness, reliability, and a classic aesthetic. It's a workhorse designed for demanding vocational applications and long-haul trucking. Given that it was not a new model in 2019, buying this truck means considering it on the used market. It is absolutely worth buying if you find a well-maintained unit with a solid service history.

The best conditions for purchase are buying a used model that has been meticulously cared for, with lower mileage and documented maintenance. Focus on specific trims that suit your operational needs, such as day cabs for local work or sleeper configurations for long-haul routes. While it may lack the advanced technology and fuel efficiency of brand-new trucks, its enduring durability and straightforward design make it a sound investment for those who value longevity and a proven track record.

2019 Peterbilt 377 Owner Reviews

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Cathleen V

Cathleen is an exceptional freelance writer covering hot topics in the automotive world from a gearhead's perspective. Her articles delve into various aspects of automotive technology and history, offering readers detailed insights into engine performance, reliability, and maintenance. Through her engaging and informative writing, Cathleen provides valuable information to automotive enthusiasts and consumers alike, helping them make informed decisions about vehicle maintenance and purchases.