The 1999 Peterbilt 379 is an iconic Class 8 conventional truck, produced from the early 1980s through 2007. Known for its classic long-nose styling, powerful engines, and robust construction, it became a symbol of American trucking. Key trims often revolved around engine and interior options, catering to owner-operators and fleets. While precise new pricing varied widely, used models can range from $30,000 to $80,000+, depending on condition and configuration. Its enduring popularity stems from its unmistakable presence, legendary durability, and customization potential.
The Good
The 1999 Peterbilt 379 offers unmatched road presence and legendary reliability. Its powerful engine options ensure robust performance, while the spacious, customizable cabin provides driver comfort for long hauls. This truck represents a blend of classic American muscle and pragmatic engineering, making it a coveted asset for both passion and profit.
The Bad
Potential weaknesses for a 1999 Peterbilt 379 include the possibility of aging electrical systems, potential for rust on older frames and body panels, and the need for regular maintenance on high-mileage powertrains. Wear and tear on suspension components and hydraulic systems are also common concerns to inspect.
1999 Peterbilt 379: Quick Overview
- Engine Options: The 1999 Peterbilt 379 was primarily equipped with Cummins and Caterpillar diesel engines. Common options included:
- Cummins ISM: Ranging from 330 to 425 horsepower.
- Cummins ISX: Available in higher horsepower configurations, typically starting around 450 hp and going up to 600 hp in some applications.
- Caterpillar C-15: A very popular choice, often found in ratings from 435 hp to 550 hp.
- Caterpillar C-12: Offered in lower horsepower applications, around 335 hp to 410 hp.
- Horsepower: Horsepower ratings typically ranged from approximately 300 hp to over 600 hp, depending on the specific engine and configuration chosen by the original owner or fleet.
- Fuel Economy: Fuel economy for a Class 8 truck like the 379 is highly variable and depends on numerous factors including engine choice, gearing, load, driving style, and terrain. Generally, owners could expect anywhere from 5 to 8 miles per gallon (MPG).
- 0-60 Times: 0-60 mph times are not a standard metric for heavy-duty trucks. These vehicles are designed for hauling heavy loads at sustained highway speeds, not for rapid acceleration.
- Towing Capacity: The towing capacity is determined by the Gross Combination Weight Rating (GCWR), which is typically in the range of 80,000 lbs to over 100,000 lbs (or more, depending on specific configurations and road regulations). This truck is designed for heavy hauling, such as tractor-trailer operations.
- Trim-Level Features: While Peterbilt doesn't have traditional "trims" like passenger cars, configurations varied significantly. Key features and options included:
- Sleeper Cab Options: Available in day cab configurations or with various sleeper sizes (e.g., 42", 63", 70", 80") for long-haul drivers.
- Interior Amenities: Depending on the original build, interiors could range from basic utilitarian setups to more luxurious appointments with premium upholstery, enhanced insulation, advanced HVAC systems, and entertainment options.
- Chassis and Suspension: Various axle configurations (single, tandem, tridem drive axles) and suspension types (e.g., Peterbilt Air Trac, Hendrickson) were available to suit different hauling needs and terrains.
- Aerodynamics: Options like aerodynamic fairings, chassis skirts, and specific bumper/grille designs could be chosen to improve fuel efficiency.
- Instrumentation and Controls: Dashboards were driver-focused with analog gauges and a robust control layout.
1999 Peterbilt 379 Specifications
Vehicle Information
| Year | 1999 |
| Make | Peterbilt |
| Model | 379 |
| Trim | - |
| Style | - |
| Type | Truck |
| Category | Heavy Truck |
Manufacturing Details
| Made In | United States |
| Manufacturing City | MADISON |
Dimensions
| Doors | - |
| Curb Weight | - |
| Gross Vehicle Weight Rating | 330001 pounds |
| Overall Height | - |
| Overall Length | - |
| Overall Width | - |
| Wheelbase Length | - |
| Standard Seating | - |
Engine & Performance
| Engine | 14.6L I6 |
| Engine Size | 14.6L |
| 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 1999 Peterbilt 379 Have?
The 1999 Peterbilt 379, being a robust and well-built truck, generally exhibits strong long-term reliability. However, as with any vehicle of this age, certain issues tend to arise over time, primarily due to wear and tear or the inherent nature of older technology.
One of the most frequently reported areas of concern involves the electrical system. Components like wiring harnesses, connectors, and electronic control modules (ECMs) can degrade over time, leading to intermittent issues, warning lights, or complete system failures. For a 1999 model, this is a common point of attention during pre-purchase inspections and ongoing maintenance. Issues with alternators, starter motors, and batteries are also standard wear-and-tear items on any heavy-duty truck and should be expected.
Engine and transmission issues, while less common as inherent design flaws, are often related to mileage and maintenance history. For example, wear on turbochargers, fuel injectors, and cooling system components can occur. Transmission issues, particularly with manual transmissions, can include clutch wear, synchronizer problems, or seal leaks. Automatic transmissions might experience hydraulic issues or torque converter problems.
Suspension and steering components are subject to significant stress. Kingpins, tie rods, U-joints, and suspension bushings can wear out, leading to alignment issues, steering play, and a less stable ride. Air suspension systems, while generally reliable, can develop leaks in air bags or lines over time.
Brake systems, especially on older trucks, require diligent inspection. Issues can include worn brake pads and rotors, leaking brake lines, or problems with air brake system components like slack adjusters or air valves.
Rust and corrosion can be a concern, particularly on the frame, body panels, and undercarriage, especially in regions with harsh weather or where salt is used on roads. This can compromise structural integrity and lead to costly repairs if not addressed promptly.
Regarding recalls, specific recalls for a 1999 Peterbilt 379 would be tied to individual component manufacturers (e.g., engine, transmission, brake systems) rather than Peterbilt solely. Owners would need to check with the National Highway Traffic Safety Administration (NHTSA) or the relevant component manufacturer for any outstanding recalls pertaining to specific VINs.
Long-term reliability is largely dictated by the truck's initial build quality, the specific components used, and most importantly, its maintenance history. A well-maintained 1999 379 with a documented service record can continue to provide excellent service for many years and hundreds of thousands of miles, while a poorly maintained one could present a multitude of problems.
One of the most frequently reported areas of concern involves the electrical system. Components like wiring harnesses, connectors, and electronic control modules (ECMs) can degrade over time, leading to intermittent issues, warning lights, or complete system failures. For a 1999 model, this is a common point of attention during pre-purchase inspections and ongoing maintenance. Issues with alternators, starter motors, and batteries are also standard wear-and-tear items on any heavy-duty truck and should be expected.
Engine and transmission issues, while less common as inherent design flaws, are often related to mileage and maintenance history. For example, wear on turbochargers, fuel injectors, and cooling system components can occur. Transmission issues, particularly with manual transmissions, can include clutch wear, synchronizer problems, or seal leaks. Automatic transmissions might experience hydraulic issues or torque converter problems.
Suspension and steering components are subject to significant stress. Kingpins, tie rods, U-joints, and suspension bushings can wear out, leading to alignment issues, steering play, and a less stable ride. Air suspension systems, while generally reliable, can develop leaks in air bags or lines over time.
Brake systems, especially on older trucks, require diligent inspection. Issues can include worn brake pads and rotors, leaking brake lines, or problems with air brake system components like slack adjusters or air valves.
Rust and corrosion can be a concern, particularly on the frame, body panels, and undercarriage, especially in regions with harsh weather or where salt is used on roads. This can compromise structural integrity and lead to costly repairs if not addressed promptly.
Regarding recalls, specific recalls for a 1999 Peterbilt 379 would be tied to individual component manufacturers (e.g., engine, transmission, brake systems) rather than Peterbilt solely. Owners would need to check with the National Highway Traffic Safety Administration (NHTSA) or the relevant component manufacturer for any outstanding recalls pertaining to specific VINs.
Long-term reliability is largely dictated by the truck's initial build quality, the specific components used, and most importantly, its maintenance history. A well-maintained 1999 379 with a documented service record can continue to provide excellent service for many years and hundreds of thousands of miles, while a poorly maintained one could present a multitude of problems.
How long will the 1999 Peterbilt 379 last?
The 1999 Peterbilt 379 is renowned for its exceptional long-term durability, often exceeding 1 million miles with proper care. Owner data and maintenance habits are paramount; a consistently maintained 379 can easily serve for 15-20 years or more. Its robust chassis, heavy-duty components, and quality construction contribute to this longevity. Weaknesses that appear over time are typically wear-and-tear items rather than fundamental design flaws. These include aging electrical components, potential for corrosion on the frame and body panels in certain climates, and the general upkeep of engine and drivetrain after hundreds of thousands of miles. However, its underlying engineering is solid, making it a truck that can be rebuilt and kept operational for a very long time.
What Technology & Safety Features are Included?
The 1999 Peterbilt 379, reflecting its era, prioritizes functionality and driver focus over the advanced integrated technology common in modern vehicles. Built-in tech was primarily centered around operational needs and driver comfort for long-haul trucking.
Instrumentation and Controls: The dashboard is characterized by a comprehensive array of analog gauges providing vital information on engine performance, air pressure, fuel levels, and more. Switches and controls are ergonomically placed for easy access by the driver. This era focused on clear, direct feedback rather than complex digital interfaces.
Entertainment Features: Entertainment options were typically aftermarket or basic factory installations. This could include an AM/FM radio, cassette player, and possibly a CD player. CB radios were also a common addition for communication among truckers. High-end audio systems were optional upgrades, but sophisticated infotainment systems were not standard.
Driver-Assistance Features: Advanced driver-assistance systems (ADAS) as we know them today were virtually non-existent in 1999. Features like cruise control were standard or optional, aiding in maintaining steady highway speeds. Some models might have had basic diagnostic systems accessible through the ECM, but these were not for driver assistance in real-time scenarios.
Safety Features: Safety in a 1999 Peterbilt 379 was primarily derived from its robust construction. Key safety elements include:
Crash-Test Ratings: Heavy-duty trucks like the Peterbilt 379 are not typically subjected to passenger car-style crash-test ratings by organizations like the NHTSA or IIHS. Their design and intended use differ significantly. Safety is evaluated based on compliance with Federal Motor Vehicle Safety Standards (FMVSS) relevant to commercial vehicles, focusing on structural integrity and occupant protection under extreme conditions, rather than comparative ratings.
Instrumentation and Controls: The dashboard is characterized by a comprehensive array of analog gauges providing vital information on engine performance, air pressure, fuel levels, and more. Switches and controls are ergonomically placed for easy access by the driver. This era focused on clear, direct feedback rather than complex digital interfaces.
Entertainment Features: Entertainment options were typically aftermarket or basic factory installations. This could include an AM/FM radio, cassette player, and possibly a CD player. CB radios were also a common addition for communication among truckers. High-end audio systems were optional upgrades, but sophisticated infotainment systems were not standard.
Driver-Assistance Features: Advanced driver-assistance systems (ADAS) as we know them today were virtually non-existent in 1999. Features like cruise control were standard or optional, aiding in maintaining steady highway speeds. Some models might have had basic diagnostic systems accessible through the ECM, but these were not for driver assistance in real-time scenarios.
Safety Features: Safety in a 1999 Peterbilt 379 was primarily derived from its robust construction. Key safety elements include:
- Heavy-Duty Frame and Cab Structure: The all-metal construction offered inherent protection to occupants.
- Seatbelts: Standard safety restraint system.
- Air Brakes: Powerful braking system designed for heavy loads, although ABS was not as ubiquitous as it is today, and might have been an optional feature on some models or specific axle configurations.
- Lighting: Standard headlights, taillights, turn signals, and marker lights for visibility.
- Enhanced insulation for noise and temperature control.
- Upgraded HVAC systems for more precise cabin climate control.
- Power windows and locks (though manual was common).
- Advanced driver seats with more adjustment options.
- Fog lights.
Crash-Test Ratings: Heavy-duty trucks like the Peterbilt 379 are not typically subjected to passenger car-style crash-test ratings by organizations like the NHTSA or IIHS. Their design and intended use differ significantly. Safety is evaluated based on compliance with Federal Motor Vehicle Safety Standards (FMVSS) relevant to commercial vehicles, focusing on structural integrity and occupant protection under extreme conditions, rather than comparative ratings.
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.
1999 Peterbilt 379 Prices and Market Value
When new, the 1999 Peterbilt 379's price could range significantly, typically from approximately $100,000 to well over $200,000, depending heavily on engine choice, drivetrain, interior options, and sleeper configuration. Unlike passenger cars, heavy-duty trucks depreciate differently. While they do lose value, their utility and the cost of new replacements mean that well-maintained units retain substantial value. Current used market prices for a 1999 Peterbilt 379 can vary widely, generally falling between $30,000 and $80,000, with pristine, low-mileage examples or highly customized trucks fetching even more. Factors affecting resale value include engine and transmission condition, mileage, overall appearance, maintenance history, and the presence of desirable options like large sleepers or specific powertrain configurations. Trucks with strong service records and cosmetic appeal hold their value best.
1999 Peterbilt 379 Cost of Ownership
Owning a 1999 Peterbilt 379 involves significant costs, making it a costly vehicle to own compared to lighter-duty trucks or cars. Insurance premiums will be substantial due to the truck's value and operating risk. Fuel is a major expense, with diesel prices fluctuating and consumption typically between 5-8 MPG. Maintenance is crucial for longevity; regular oil changes, filter replacements, and proactive inspections are essential. Repair costs can be high, especially for engine or transmission work, as parts and labor for heavy-duty trucks are expensive. While not economical in terms of initial purchase or running costs, its long-term durability and earning potential can justify the investment for commercial operators.
1999 Peterbilt 379 Fuel Efficiency
Fuel Type
Diesel
Fuel Capacity
-
City Mileage
-
Highway Mileage
-
1999 Peterbilt 379 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
1999 Peterbilt 379 Insurance
Insurance for a 1999 Peterbilt 379 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.
reasonable repair costs.
How Does the 1999 Peterbilt 379 Compare to Other Truck?
The 1999 Peterbilt 379 competed in the premium conventional heavy-duty truck segment against formidable rivals like the Kenworth W900B/W900L, Freightliner FLD series, and International 9000 series.
Performance: In terms of performance, the 379 was generally on par with its direct competitors, offering powerful engine options from Cummins and Caterpillar. Its robust drivetrain and suspension were designed for heavy hauling. Kenworth trucks often shared similar powertrain options, providing comparable performance. Freightliner and International models, while offering competitive power, sometimes prioritized value engineering, which could subtly influence the feel of performance.
Features: Peterbilt and Kenworth were often considered leaders in driver comfort and customizable options, appealing to owner-operators who wanted premium interiors and specific configurations. The 379's long hood and classic styling were a significant draw. Competitors like Freightliner often offered a broader range of configurations and sometimes more cutting-edge (for the time) basic technology, though perhaps less emphasis on the traditional aesthetics that defined the Peterbilt.
Reliability: Peterbilt and Kenworth (both PACCAR brands) historically shared a reputation for exceptional build quality and long-term reliability, often outlasting competitors. Their use of high-quality components and robust chassis construction contributed to this. While Freightliner and International trucks could also be reliable, they were sometimes perceived as being more budget-oriented in their construction or material choices, which could lead to slightly different long-term durability profiles. The 379, with its solid engineering, stood out for its longevity.
Price: Peterbilt and Kenworth trucks typically commanded a higher price point when new, reflecting their premium positioning and build quality. The 1999 Peterbilt 379 would have been more expensive than comparable Freightliner FLD or International models. This higher initial cost was often justified by better resale value and lower long-term maintenance costs.
Alternatives:
In essence, the 1999 Peterbilt 379 was a premium choice that excelled in durability, driver appeal, and iconic design, often at a higher cost than its more utilitarian rivals.
Performance: In terms of performance, the 379 was generally on par with its direct competitors, offering powerful engine options from Cummins and Caterpillar. Its robust drivetrain and suspension were designed for heavy hauling. Kenworth trucks often shared similar powertrain options, providing comparable performance. Freightliner and International models, while offering competitive power, sometimes prioritized value engineering, which could subtly influence the feel of performance.
Features: Peterbilt and Kenworth were often considered leaders in driver comfort and customizable options, appealing to owner-operators who wanted premium interiors and specific configurations. The 379's long hood and classic styling were a significant draw. Competitors like Freightliner often offered a broader range of configurations and sometimes more cutting-edge (for the time) basic technology, though perhaps less emphasis on the traditional aesthetics that defined the Peterbilt.
Reliability: Peterbilt and Kenworth (both PACCAR brands) historically shared a reputation for exceptional build quality and long-term reliability, often outlasting competitors. Their use of high-quality components and robust chassis construction contributed to this. While Freightliner and International trucks could also be reliable, they were sometimes perceived as being more budget-oriented in their construction or material choices, which could lead to slightly different long-term durability profiles. The 379, with its solid engineering, stood out for its longevity.
Price: Peterbilt and Kenworth trucks typically commanded a higher price point when new, reflecting their premium positioning and build quality. The 1999 Peterbilt 379 would have been more expensive than comparable Freightliner FLD or International models. This higher initial cost was often justified by better resale value and lower long-term maintenance costs.
Alternatives:
- Similar Alternative: 1999 Kenworth W900B/W900L: For a very similar experience in terms of build quality, driver focus, and iconic styling, the Kenworth W900 series is the closest competitor. They share many PACCAR components and philosophies.
- Slightly More Value-Oriented: 1999 Freightliner FLD 120: If budget was a primary concern but a capable conventional truck was still needed, the Freightliner FLD 120 offered good performance and reliability, often at a lower price point, though with a less distinctive aesthetic.
- Modern Alternatives (for context, not direct contemporaries): For a buyer today looking for a new truck with similar virtues, modern Peterbilt 579 or Kenworth T680/T880 would be the successors, offering significantly advanced technology, fuel efficiency, and driver amenities, but at a much higher price point and with a different, more aerodynamic styling.
In essence, the 1999 Peterbilt 379 was a premium choice that excelled in durability, driver appeal, and iconic design, often at a higher cost than its more utilitarian rivals.
Final Verdict: Is the 1999 Peterbilt 379 a Good Truck?
The 1999 Peterbilt 379 is ideal for owner-operators or fleet managers who value classic styling, legendary durability, and robust performance. It's particularly suited for those who appreciate the heritage of American trucking and are willing to invest in the ongoing maintenance required for a vehicle of this age.
It is absolutely worth buying, but almost exclusively in the used market. A 1999 model will not be available new. Buying one is contingent on thorough inspection and a solid understanding of its maintenance history. Trucks with well-documented service records, strong engine and transmission health, and minimal rust will offer the best value. Specific configurations with larger sleepers and desirable engine options (like a C-15 or ISX) will command higher prices but also offer better utility and resale potential. It is a sound investment for those seeking a reliable, iconic workhorse, provided they are prepared for the responsibilities of owning an older, heavy-duty truck.
It is absolutely worth buying, but almost exclusively in the used market. A 1999 model will not be available new. Buying one is contingent on thorough inspection and a solid understanding of its maintenance history. Trucks with well-documented service records, strong engine and transmission health, and minimal rust will offer the best value. Specific configurations with larger sleepers and desirable engine options (like a C-15 or ISX) will command higher prices but also offer better utility and resale potential. It is a sound investment for those seeking a reliable, iconic workhorse, provided they are prepared for the responsibilities of owning an older, heavy-duty truck.
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.