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2014 International Prostar LA687 Overview, Reviews, Ratings & Specs

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Drew B | February 9, 2026
The 2014 International Prostar LA687 is a Class 8 heavy-duty truck designed for vocational and long-haul applications. Part of the Prostar lineup, known for its aerodynamic design and driver comfort, this model year offered a robust platform. Key trims often revolved around engine and interior specifications. Pricing for new models varied significantly based on configuration, generally starting in the low $100,000s and extending upwards. Its popularity stems from a blend of fuel efficiency, driver-centric features, and International's established reputation for durability in the trucking industry.
The Good

The 2014 Prostar LA687 offers competitive fuel efficiency, a comfortable and functional driver's cabin for long hauls, and a reputation for solid reliability. Its aerodynamic design appeals to practical buyers focused on operational costs, while the driver-focused interior provides comfort, enhancing emotional well-being and productivity during extended periods on the road.

The Bad

Potential weaknesses for the 2014 International Prostar LA687 can include issues with the after-treatment system (DEF/DPF) as it ages, electrical gremlins, and some concerns regarding transmission durability under heavy, continuous use. Maintenance records are crucial to assess previous care.

2014 International Prostar LA687: Quick Overview

  • Engine Options: The 2014 International Prostar LA687 typically offered a range of powerful diesel engines. Primary options included:
    • Cummins ISX15: Ranging from 400 hp to 600 hp, with torque ratings from 1,450 lb-ft to 2,050 lb-ft.
    • MaxxForce 13: Offered in various configurations, often around 410-475 hp and torque up to 1,750 lb-ft.
  • Horsepower: Ranged broadly from approximately 400 hp up to 600 hp, depending on the specific engine and configuration chosen.
  • Fuel Economy: Highly variable based on engine, transmission, gearing, load, and driving conditions. Generally, the Prostar lineup was designed for efficiency, with highway fuel economy often reported in the range of 5.5 to 7.5 miles per gallon (MPG).
  • 0-60 Times: Not a standard metric for heavy-duty trucks. Performance is measured in acceleration under load and ability to maintain speed on grades, which is dependent on engine power, GCWR, and transmission gearing.
  • Towing Capacity: As a Class 8 truck, the Prostar LA687 is designed for heavy hauling. Gross Combination Weight Ratings (GCWR) could exceed 80,000 lbs, often reaching up to 100,000 lbs or more, depending on the chassis, axle configuration, and specific application (e.g., standard over-the-road, heavy haul).
  • Trim-Level Features: Features varied significantly based on specifications and vocational needs. Common aspects included:
    • Cab Options: Day cab, extended cab, and various sleeper configurations (e.g., 73-inch SkyRise).
    • Interior Comfort: Options for upgraded seats, premium sound systems, auxiliary heaters, refrigerators, power inverter/AC.
    • Aerodynamics: Standard aerodynamic enhancements like a sloped hood, integrated bumper, and fairings.
    • Safety: Anti-lock braking systems (ABS), optional stability control, and various lighting options.
    • Instrumentation: Digital or analog dashboards with comprehensive diagnostics.

2014 International Prostar LA687 Specifications

Vehicle Information
Year 2014
Make International
Model Prostar LA687
Trim -
Style -
Type Truck
Category Heavy Truck
Manufacturing Details
Made In United States
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 14.9L I6
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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Analysis

What Problems Does the 2014 International Prostar LA687 Have?

The 2014 International Prostar LA687, like many heavy-duty trucks of its era, is susceptible to certain recurring issues, particularly as mileage accumulates. One of the most frequently reported concerns revolves around the exhaust after-treatment system, specifically the Diesel Particulate Filter (DPF) and Selective Catalytic Reduction (SCR) system, which manages Diesel Exhaust Fluid (DEF). These systems can become clogged or experience sensor failures, leading to reduced engine performance, check engine lights, and costly repairs if not maintained properly. Issues with DEF pumps and injectors are also not uncommon. Electrical gremlins are another area where owners have reported problems. This can manifest as intermittent issues with dashboard lights, warning chimes, or sensor readings. Wiring harness integrity and connector corrosion, especially in harsh operating environments, can contribute to these electrical faults. Regarding the engines, while Cummins ISX15 engines generally have a strong reputation, they can be prone to issues like EGR cooler failures, turbocharger problems, and injector failures, particularly with high mileage. The MaxxForce engines, if equipped, have historically had a more mixed reception, with some owners reporting issues related to fuel injection and emissions control. Transmission problems, while less frequent, can occur, especially with automated manual transmissions (AMTs) if not properly serviced. Clutch wear, sensor failures within the transmission control module, and shifting issues have been noted. For the 2014 model year specifically, there were no widespread, model-year-defining issues that significantly plagued all units. Recalls are generally product-specific and would need to be checked against the VIN for the exact vehicle in question, but they can cover areas like braking system components, electrical wiring, or fuel system parts. Long-term reliability hinges heavily on consistent and thorough maintenance, including oil changes, filter replacements, and timely attention to warning lights and minor issues before they escalate.

How long will the 2014 International Prostar LA687 last?

The 2014 International Prostar LA687, with proper and diligent maintenance, is engineered for substantial longevity. It's not uncommon for these trucks to accumulate well over 750,000 to over 1 million miles in vocational or long-haul service. Owner data suggests that a well-maintained Prostar can easily see 10-15 years of service, or even more. Durability is a strong suit, with the chassis and core components designed for robustness. However, weaknesses emerge with age and mileage, primarily in the emissions control systems (DPF, SCR), EGR coolers, and potential electrical harness issues. Regular servicing and proactive replacement of wear items are key to maximizing its service life and mitigating costly repairs over the long term.

What Technology & Safety Features are Included?

The 2014 International Prostar LA687 focused on practical technology and driver comfort rather than cutting-edge consumer-grade infotainment. Built-in tech typically included a functional instrument cluster with diagnostic readouts, often with an LCD screen displaying critical vehicle information. Standard entertainment features were usually limited to an AM/FM radio, with optional upgrades for CD players, satellite radio readiness, and more robust speaker systems. Bluetooth connectivity for hands-free calling might have been an optional add-on in higher trims or through aftermarket installations. Driver-assistance features were less prevalent in this model year compared to modern trucks, but standard safety features included robust anti-lock braking systems (ABS) to enhance control during braking. Depending on the configuration and options chosen, the Prostar could be equipped with features like automatic traction control and possibly stability control systems, though these were not always standard. Visibility was a strong point, with a large windshield and well-placed mirrors designed for comprehensive awareness of the surroundings. Headlights and signal lighting were designed for optimal illumination and visibility. Optional features could extend to enhanced navigation systems integrated into the dash, power windows and locks for greater convenience, and potentially advanced telematics systems for fleet management, which provided real-time diagnostics and location tracking. For specific cabin configurations, like sleeper berths, features such as auxiliary heating and air conditioning units, and sometimes even small refrigerators, were available to enhance driver comfort on extended trips. Crash-test ratings for heavy-duty commercial trucks like the Prostar LA687 are not typically assessed by organizations like the NHTSA or IIHS in the same way passenger vehicles are. Instead, safety is evaluated through industry standards and specific component testing. The design prioritizes occupant protection through a robust frame, reinforced cab structure, and integrated safety systems like seat belts. However, it's important to note that the scale and nature of commercial truck accidents mean that crash dynamics differ significantly from passenger cars.

What Colors Options are Available?

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2014 International Prostar LA687 Prices and Market Value

When new, the 2014 International Prostar LA687's price varied significantly based on its configuration, engine, transmission, and chosen options. Base models typically started in the range of $100,000 to $120,000, with fully equipped sleeper configurations easily exceeding $150,000. On the used market today, prices for a 2014 Prostar LA687 can range widely from approximately $30,000 to $70,000 or more, heavily dependent on mileage, overall condition, maintenance history, engine type, and remaining lifespan of major components. Depreciation is substantial, as is typical for heavy-duty trucks. Factors affecting resale value include brand reputation, engine popularity (Cummins often holds value better than some others), adherence to maintenance schedules, interior and exterior condition, and the presence of any emissions-related issues. Trucks with lower mileage and a proven service history command higher prices.

2014 International Prostar LA687 Cost of Ownership

Owning a 2014 International Prostar LA687 involves significant costs. Insurance premiums for Class 8 trucks are substantial, influenced by coverage levels, operational radius, and driver record. Fuel is a primary ongoing expense, with MPG varying but generally requiring a significant budget for long-distance operation. Maintenance is critical; regular oil changes, filter replacements, and inspections are essential, costing thousands annually. Repair costs can be high, especially for engine or transmission work, with components like DPF systems being particularly expensive. Overall, while economical in terms of fuel efficiency for its class, the 2014 Prostar LA687 is a costly vehicle to own, demanding a considerable financial commitment for upkeep and operation.

2014 International Prostar LA687 Fuel Efficiency

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

2014 International Prostar LA687 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 LA687 Insurance

Insurance for a 2014 International Prostar LA687 is moderately priced, reflecting its status as a Truck with strong safety ratings and
reasonable repair costs.

How Does the 2014 International Prostar LA687 Compare to Other Truck?

The 2014 International Prostar LA687 competes in the heavy-duty truck market against formidable rivals such as the Freightliner Cascadia, Peterbilt 579, Kenworth T680, and Volvo VNL. In terms of performance, the Prostar's available Cummins ISX15 engines offered robust power and torque comparable to competitors. Its aerodynamic design aimed for efficiency, often placing it competitively in fuel economy against models like the Cascadia and Volvo VNL, which were also strong contenders in this area.

Feature-wise, the Prostar's interior was designed with driver comfort and functionality in mind, offering a practical, albeit less luxurious, cabin compared to some premium offerings from Peterbilt or Kenworth. While it had essential tech for its time, newer models from rivals might offer more advanced infotainment and driver-assistance systems. Reliability is a mixed bag; while the chassis is generally durable, issues with the after-treatment system (DEF/DPF) were not unique to the Prostar and affected many trucks of this era, including competitors. Cummins engines in the Prostar tend to be well-regarded for reliability, often matching or exceeding the perceived reliability of other OEM engine offerings.

Price-wise, the Prostar was typically positioned to be competitive, offering a strong value proposition, especially for vocational applications or fleets prioritizing efficiency and a solid workhorse. However, when it comes to resale value, Peterbilt and Kenworth often hold their value slightly better due to strong brand loyalty and perceived prestige.

Similar/Better Alternatives:
  • Freightliner Cascadia (2014-2016): Often seen as a direct competitor, offering a balance of efficiency, comfort, and reliability. Known for its driver-focused design and good fuel economy.
  • Peterbilt 579 (2013-2017): Renowned for its premium feel, exceptional driver comfort, and strong resale value. Performance and reliability are generally excellent.
  • Kenworth T680 (2013-2017): Similar to the Peterbilt 579 in terms of luxury and driver amenities, with a strong emphasis on fuel efficiency and build quality.
  • Volvo VNL (2014-2016): Known for its distinctive design, fuel efficiency, and comfortable ride, often favored for long-haul applications.
If prioritizing long-term reliability and driver amenities, the Peterbilt 579 or Kenworth T680 might be considered superior. For a strong blend of efficiency and value, the Freightliner Cascadia or the Prostar itself remain excellent choices. The Prostar LA687 is a solid contender, especially if found at a competitive price with a well-maintained service history.

Final Verdict: Is the 2014 International Prostar LA687 a Good Truck?

The 2014 International Prostar LA687 is ideal for owner-operators and small to medium-sized fleets looking for a reliable and relatively fuel-efficient heavy-duty truck that offers good driver comfort for its class. It's a solid buy if acquired used, provided a thorough pre-purchase inspection is conducted, with particular attention paid to the emissions system and engine health. It's worth buying for those who prioritize operational efficiency and robust performance over the absolute latest luxury features. Specific trims with well-maintained Cummins engines and less complex configurations (e.g., day cabs or shorter sleepers) are generally safer bets for long-term value. It is less ideal for those seeking cutting-edge technology or who are not prepared for the ongoing maintenance costs inherent in heavy-duty trucking.

2014 International Prostar LA687 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