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2014 International Prostar Overview, Reviews, Ratings & Specs

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Drew B | November 16, 2025
The 2014 International ProStar is a highly regarded Class 8 truck, known for its advanced aerodynamics and driver-focused design. It entered production in 2006 and has seen continuous refinement. Key trims often revolve around engine and chassis configurations. New, these trucks commanded a significant price, typically starting in the $100,000+ range, with pricing varying greatly based on specifications. Its popularity stems from a blend of fuel efficiency, driver comfort, and robust performance, making it a preferred choice for long-haul trucking operations seeking a premium and productive asset.
The Good

The 2014 ProStar excels with its impressive fuel efficiency, cutting operational costs for practical buyers. Emotionally, drivers appreciate the exceptional cabin comfort and quiet ride, reducing fatigue on long hauls. Its reliable performance ensures consistent uptime, while the aerodynamic design minimizes drag, boosting efficiency and reflecting thoughtful engineering.

The Bad

Potential buyers should be aware of the initial higher purchase price compared to some competitors. Some owners have reported issues with the complex electrical systems, and certain DPF (Diesel Particulate Filter) regeneration problems can arise if not maintained properly, leading to potential downtime.

2014 International Prostar: Quick Overview

  • Engine Options: The 2014 International ProStar typically offered a range of powerful and efficient diesel engines. Common options included the Navistar International® A26 engine (though more prevalent in later years, earlier models could feature predecessors or comparable units from Cummins or PACCAR depending on configuration). For the 2014 model year, the focus was on robust and fuel-efficient diesels suited for Class 8 applications. The most common engines were variants of the Cummins ISX15 and the Navistar N13.
  • Horsepower: Horsepower ratings varied significantly depending on the specific engine chosen and its configuration. Typically, these engines ranged from approximately 400 horsepower to over 550 horsepower. For instance, a Cummins ISX15 could be tuned to produce between 400 and 550 hp, while the Navistar N13 might offer power in the 350-450 hp range.
  • Fuel Economy: Specific MPG figures are difficult to provide for heavy-duty trucks as they are highly dependent on load, terrain, driving style, and axle ratios. However, the ProStar line was designed with aerodynamic advancements and efficient powertrains aimed at maximizing fuel economy in its class. Owners often reported mileage in the range of 5.5 to 7.5 miles per gallon under typical long-haul conditions, a competitive figure for its segment.
  • 0-60 Times: 0-60 mph acceleration times are not a standard or practical metric for Class 8 trucks, as their purpose is hauling heavy loads at sustained speeds, not rapid acceleration. Their focus is on torque and pulling power.
  • Towing Capacity: As a Class 8 tractor, the 2014 International ProStar is designed for heavy-duty towing. Its Gross Combination Weight Rating (GCWR) typically ranges from 80,000 lbs to well over 100,000 lbs, depending on the specific configuration, axle ratings, and chassis setup. This allows it to haul substantial trailer loads in commercial applications.
  • Trim-Level Features: While not strictly categorized into traditional car trims, ProStar models could be configured with various options affecting comfort, technology, and performance. Key features often included advanced aerodynamics, customizable interiors with premium seat options, advanced climate control systems, comprehensive infotainment and navigation (often optional), extensive safety features, and various drivetrain and suspension configurations to suit specific hauling needs. High-spec models might include sleeper cabs with amenities for long-haul drivers.

2014 International Prostar Specifications

Vehicle Information
Year 2014
Make International
Model Prostar
Trim -
Style -
Type Truck
Category Heavy Truck
Manufacturing Details
Made In Mexico
Manufacturing City SPRINGFIELD
Dimensions
Doors -
Curb Weight -
Gross Vehicle Weight Rating 33001 pounds
Overall Height -
Overall Length -
Overall Width -
Wheelbase Length -
Standard Seating -
Engine & Performance
Engine 15.0-L L-6 Diesel
Engine Size 15L
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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Salvage/Rebuilt
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Analysis

What Problems Does the 2014 International Prostar Have?

The 2014 International ProStar, like many heavy-duty trucks, can experience issues related to its complex systems. One commonly discussed area is related to the Diesel Particulate Filter (DPF) and Exhaust Gas Recirculation (EGR) systems. Improper maintenance, short-haul routes with insufficient time for DPF regeneration cycles, or the use of incorrect fuels/additives can lead to clogged DPFs, requiring costly cleaning or replacement. This was a general concern across many diesel trucks of this era, not exclusive to the ProStar, but it is something owners should be vigilant about.

Another area that has seen some reports relates to the electrical systems and sensors. Issues with the engine control module (ECM), various sensors (like NOx sensors or temperature sensors), and wiring harnesses can lead to check engine lights, reduced engine power, and diagnostic trouble codes. These can be intermittent and challenging to diagnose, often requiring specialized diagnostic tools and expertise.

Some owners have also noted concerns regarding the durability of certain cabin components or seals over time, particularly in harsh operating environments. While the core powertrain and chassis are generally robust, interior trim, door seals, and HVAC components might show wear.

Regarding recalls for the 2014 model year, specific recalls would need to be checked against the VIN. However, general recall areas for trucks of this period often involved safety-related components like braking systems, steering components, or potential fire hazards in certain electrical systems. For instance, there have been recalls on related Navistar vehicles for issues concerning potential overheating of certain electrical components or problems with ABS systems. Long-term reliability is heavily influenced by the owner's maintenance regimen. Diligent adherence to the manufacturer's service schedule, regular fluid changes, and prompt attention to any warning lights or unusual noises are crucial for maximizing the lifespan and minimizing unexpected breakdowns of a 2014 ProStar.

How long will the 2014 International Prostar last?

Based on owner data and typical usage patterns for Class 8 trucks, a well-maintained 2014 International ProStar can reasonably expect to serve for 750,000 to 1.2 million miles, or even more, with diligent care. Many fleet operators and independent owner-operators aim for this mileage range before considering a major overhaul or replacement. The long-term durability is a testament to the robust construction of heavy-duty trucks. However, weaknesses that can emerge over time include the aforementioned DPF/EGR system complexities, potential for aging electrical components and sensors, and wear-and-tear on suspension and braking systems. Regular preventative maintenance is paramount; neglecting it can significantly shorten its service life and increase the likelihood of costly repairs. Engines and transmissions, if properly maintained, are often the most durable components, frequently outlasting other systems.

What Technology & Safety Features are Included?

The 2014 International ProStar was designed with a focus on driver productivity and safety, incorporating modern technology for its class. While not laden with the extensive infotainment systems found in consumer vehicles, it offered practical tech solutions. Standard features often included a digital driver display providing crucial vehicle information, a robust HVAC system for cabin comfort, and essential safety lighting.

Optional technology packages could enhance the driver experience significantly. These might include advanced telematics systems for fleet management, GPS navigation integrated into the dashboard, and enhanced audio systems. For driver assistance, features like advanced cruise control (which could help maintain a set speed and distance from vehicles ahead) and lane departure warning systems were available on higher-spec models or as optional add-ons, aiming to reduce driver fatigue and improve road safety during long journeys.

Safety was a priority, with standard features typically including strong structural integrity, robust braking systems (often with ABS), and integrated safety lighting for visibility. The cab design itself was engineered for driver protection in the event of a collision. While specific crash-test ratings for commercial trucks like the ProStar are not typically conducted or published by organizations like the IIHS or NHTSA in the same way as passenger cars, manufacturers adhere to stringent federal motor vehicle safety standards (FMVSS). International invests heavily in cab integrity, rollover protection, and occupant restraint systems to meet and exceed these regulations. The available safety features, combined with the inherent durability of the ProStar chassis and cab structure, contributed to a secure operating environment for the driver.

What Colors Options are Available?

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In the meantime, feel free to explore the other sections for more content.

2014 International Prostar Prices and Market Value

When new, a 2014 International ProStar typically had a base price starting in the range of $100,000 to $130,000, with fully optioned models, particularly those with specialized configurations or premium sleeper cabs, easily exceeding $150,000. The depreciation for commercial trucks is generally less steep than for consumer vehicles, especially for well-maintained units with desirable specifications.

Currently, the used market prices for a 2014 International ProStar can vary significantly based on mileage, condition, engine specifications, and overall maintenance history. Expect prices to range from approximately $30,000 to $70,000 for trucks in good working condition. Factors affecting resale value include the reputation of the specific engine and transmission combination, the presence of desirable features like advanced aerodynamics or comfortable sleeper cabs, and adherence to maintenance schedules, which can be verified through service records. Trucks with lower mileage and a documented history of care will command higher prices.

2014 International Prostar Cost of Ownership

Owning a 2014 International ProStar involves significant costs. Insurance premiums are substantial due to the high value and commercial nature of the vehicle. Fuel costs are a major ongoing expense, directly related to mileage and fuel efficiency, though the ProStar is designed for efficiency in its class. Routine maintenance, including oil changes, filter replacements, and DPF checks, is critical and can be costly. Repair costs can be high, especially for specialized components or engine/transmission issues. Overall, while the ProStar offers excellent long-term value through its durability and operational efficiency, it is a costly vehicle to own and operate, requiring significant capital investment and ongoing expense. It is economical relative to its peers in terms of operational efficiency, but not in absolute terms compared to smaller vehicles.

2014 International Prostar Fuel Efficiency

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

2014 International Prostar 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

2014 International Prostar Insurance

Insurance for a 2014 International Prostar is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2014 International Prostar Compare to Other Truck?

The 2014 International ProStar competes in the highly contested Class 8 truck market against formidable rivals such as the Freightliner Cascadia, Peterbilt 579, Kenworth T680, and Volvo VNL series.

Performance: The ProStar typically offered competitive engine choices (Navistar N13, Cummins ISX15) that provided robust power and torque for hauling heavy loads. In terms of fuel efficiency, it was engineered with advanced aerodynamics and efficient powertrains, often performing on par with or slightly better than some competitors, though specific performance can vary greatly with configuration.

Features: International focused on driver comfort and productivity. The ProStar's cabin, especially in higher-spec configurations, offered a comfortable and ergonomic environment. Compared to rivals like the Peterbilt 579 or Kenworth T680, which are also renowned for their driver-centric designs and premium interiors, the ProStar held its own. Freightliner Cascadia models were also strong contenders in aerodynamic efficiency and powertrain technology. Volvo VNL trucks were known for their durability and driver comfort.

Reliability: Reliability across all these brands can be a mixed bag and heavily depends on specific configurations, engine choices, and maintenance. Navistar engines (N13) have had a varied reputation, while Cummins ISX engines are generally well-regarded. Competitors using PACCAR engines (Peterbilt, Kenworth) or Volvo/Mack engines often enjoy strong reliability ratings. Concerns about DPF/EGR systems were common across many makes in this era, not unique to the ProStar.

Price: New, these trucks were all in a similar premium price bracket, with options and specifications driving the final cost. Used, the 2014 ProStar typically offered a strong value proposition, sometimes at a slightly more accessible price point than comparable Peterbilts or Kenworths of the same vintage, depending on market conditions.

Alternatives:
  • Similar: Freightliner Cascadia, Volvo VNL series, Kenworth T680, Peterbilt 579. These offer comparable performance, features, and have their own strengths and weaknesses regarding reliability and price.
  • Potentially Better (depending on priorities): If ultimate engine reliability is paramount, some might lean towards models equipped with PACCAR MX engines (in Peterbilts/Kenworths) or the Volvo D13 engine, though these also have their specific maintenance needs. For cutting-edge aerodynamics and fuel efficiency, the latest generations of Cascadia, T680, or 579 would be worth considering, though they represent a newer model year.

The 2014 ProStar remains a solid choice, especially if found at a competitive used price with a desirable powertrain (e.g., Cummins ISX15) and a good maintenance history.

Final Verdict: Is the 2014 International Prostar a Good Truck?

The 2014 International ProStar is ideal for owner-operators and fleet managers seeking a durable, fuel-efficient, and comfortable Class 8 truck for long-haul operations. It strikes a good balance between aerodynamic design, driver amenities, and robust performance.

It is certainly worth buying, particularly on the used market, provided it has been well-maintained. For new purchases, it might be outclassed by newer models with more advanced technology and emissions systems, but as a used vehicle, it offers excellent value.

When considering a purchase, prioritize models equipped with the Cummins ISX15 engine for its proven reliability and widespread support. Thoroughly inspect the DPF and EGR systems, and always review the maintenance records. Opting for a truck with a documented history of diligent care significantly mitigates potential future issues and ensures a more economical long-term ownership experience. Avoid trucks with high mileage and a poor maintenance log, as these are more likely to present costly problems.

2014 International Prostar Owner Reviews

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Drew B

Drew is a seasoned automotive expert and contributor to VinCheck.info. With nearly 15 years of experience as a former Porsche technician, he brings a wealth of hands-on knowledge to his writing. Born in North Carolina, a region renowned for its deep-rooted NASCAR culture, Drew developed a passion for cars early in life, often building and working on vehicles from a young age. At VINCheck, Drew leverages his extensive technical background to provide in-depth analyses of various vehicles. His articles often focus on engine performance, reliability, and maintenance insights, offering readers practical information grounded in real-world experience. Some of his notable contributions include reviews on the Mazda CX-5's longevity and detailed examinations of engine options for models like the 2011 Toyota Camry and Tacoma