2019 Kenworth T680 Overview, Reviews, Ratings & Specs

The Good

The 2019 Kenworth T680 boasts impressive advantages, including superior fuel efficiency thanks to its aerodynamic design, powerful PACCAR or Cummins engines for reliable performance, and legendary Kenworth durability ensuring long-term reliability. Its spacious, quiet, and ergonomic cabin offers unparalleled driver comfort, boosting morale and retention. These practical benefits, combined with the emotional appeal of owning a "King of the Road" truck, make it a strong value proposition for any serious hauler.

The Bad

While generally robust, the 2019 Kenworth T680 can present some watch-out areas. Potential weaknesses include the complexity of its advanced emissions systems, particularly the DEF and DPF, which may require diligent maintenance to prevent issues. Some owners report occasional electronic gremlins, although these are typically minor. Its premium pricing also means a higher initial investment compared to some rivals.

2019 Kenworth T680: Quick Overview

The 2019 Kenworth T680 offers robust specifications tailored for heavy-duty hauling:

• Engine Options: The primary choices are the PACCAR MX-13 and the Cummins X15. Both are highly regarded for performance and efficiency.
• Horsepower: The PACCAR MX-13 typically ranges from 405 HP to 510 HP, while the Cummins X15 offers a broader range from 400 HP up to 605 HP for the Performance series.
• Torque: PACCAR MX-13 provides 1,450 to 1,850 lb-ft of torque. The Cummins X15 delivers 1,450 to 2,050 lb-ft, allowing for significant pulling power.
• Transmissions: Available with manual transmissions (Eaton Fuller 10, 13, 18-speed) or increasingly popular Automated Manual Transmissions (AMTs) like the Eaton Fuller Advantage (10, 12-speed) or PACCAR's own 12-speed AMT, which optimize fuel economy and ease of operation.
• Fuel Economy: A major selling point, the T680's advanced aerodynamics, coupled with efficient powertrains like the PACCAR MX-13 and PACCAR AMT, contribute to excellent fuel efficiency. Real-world averages often range from 6-8 MPG, though specific conditions and driver habits heavily influence this.
• 0-60 Times: Not a relevant performance metric for Class 8 trucks, which prioritize sustained power and torque for heavy loads.
• Towing Capacity: As a Class 8 tractor, it's designed to operate at the standard U.S. Gross Combination Weight Rating (GCWR) of 80,000 lbs, with configurations available for higher GCWRs depending on application and regulations.
• Key Features & Configurations:
  • Sleeper Options: Ranging from practical 40-inch sleepers to spacious 76-inch Mid-Roof and the premium 76-inch High-Roof Studio Sleeper, offering amenities like standing room, multiple storage compartments, a large bunk, swivel passenger seat, and provisions for appliances (microwave, refrigerator).
  • Cab Features: Ergonomic dash design, multiple gauge options, a 5-inch or 7-inch Driver Performance Center display, and the optional Kenworth NavPlus® infotainment system with navigation, Bluetooth, and truck-specific features.
  • Interior Comfort: Premium air-ride seats, ample storage, quality interior materials, advanced climate control, and quiet operation enhance driver comfort on long hauls.
  • Aerodynamics: Standard aerodynamic package includes a sloped hood, integrated headlights, chassis fairings, and roof fairings, all contributing to its class-leading efficiency.

2019 Kenworth T680 Specifications

Vehicle History Report

What Problems Does the 2019 Kenworth T680 Have?

The 2019 Kenworth T680, while generally known for its robust build and reliability, does share some common issues seen across modern heavy-duty trucks, particularly concerning complex emissions systems. Frequently reported problems often revolve around the Diesel Exhaust Fluid (DEF) and Diesel Particulate Filter (DPF) systems.

• Emissions System Challenges: DEF sensors, pumps, injectors, and lines can be prone to failure or clogging if DEF quality is poor or maintenance is neglected. Similarly, DPF units require regular regeneration and can become clogged, leading to reduced performance and potential "derate" conditions if not properly maintained. The Selective Catalytic Reduction (SCR) system components, including NOx sensors, also represent potential failure points over time. These issues are not unique to Kenworth but are inherent challenges with current diesel emission technology.
• Electrical Gremlins: With the increasing sophistication of truck electronics, occasional sensor malfunctions or minor electrical issues are reported. These are typically less severe but can be frustrating to diagnose and resolve.
• HVAC System Concerns: Some owners have noted issues with the heating, ventilation, and air conditioning (HVAC) system's performance or components over extended use.
• Turbocharger Reliability: While not a widespread problem, like any forced-induction engine component, turbochargers can fail, especially if regular oil changes and engine maintenance are overlooked.
• Specific 2019 Model Year Issues: The 2019 model year T680, being part of a well-established generation, did not present any uniquely severe or widespread issues compared to other years, largely benefiting from continuous improvements. Most reported problems typically align with the general points mentioned above.

Recalls: It is crucial for current or prospective owners to check the National Highway Traffic Safety Administration (NHTSA) database using the vehicle's VIN for any applicable recalls. Heavy-duty trucks periodically face recalls for various components, including brake system software, steering linkages, electrical systems, or specific engine/emissions system calibrations. Ensuring all recalls are addressed is vital for safety and long-term reliability.

Long-Term Reliability: Over extended periods and high mileage, expected wear and tear will naturally occur on major components like the engine, transmission, and differentials, eventually requiring significant rebuilds or replacements. The longevity of emissions system components can also become a more significant concern over time, leading to higher maintenance costs as the truck ages.

How long will the 2019 Kenworth T680 last?

What Technology & Safety Features are Included?

The 2019 Kenworth T680 integrates a range of advanced technology, entertainment, and safety features designed to enhance driver productivity, comfort, and safety on the road.

• Built-in Tech & Entertainment:
  • Driver Performance Center: A prominent 5-inch or optional 7-inch high-resolution color display provides critical vehicle data, performance metrics, and diagnostic information right in the driver's line of sight.
  • Kenworth NavPlus®: An optional 7-inch touchscreen infotainment system that offers truck-specific navigation, Bluetooth connectivity for hands-free calling and audio streaming, AM/FM/WB radio, CD player, and USB input. It also integrates virtual gauges and can display feeds from pre-wired backup cameras.
  • SmartWheel: A multifunction steering wheel allows drivers to control cruise settings, audio, and menu navigation without removing their hands from the wheel.
  • PACCAR Connect: An optional telematics system, especially with PACCAR engines, offers fleet management tools, remote diagnostics, and potential for over-the-air updates.
• Driver-Assistance Features:
  • Bendix Wingman Fusion: A highly popular optional advanced driver-assistance system (ADAS) combining radar and camera technology. It provides:
    • Collision Mitigation Braking: Warns the driver and can automatically apply brakes to reduce collision severity.
    • Adaptive Cruise Control: Maintains a set distance from the vehicle ahead, adjusting speed as needed.
    • Lane Departure Warning: Alerts the driver if the truck inadvertently drifts from its lane.
  • Side Object Detection: Radar-based sensors monitor blind spots, providing visual and audible warnings of nearby vehicles.
  • Electronic Stability Program (ESP): Standard, this system helps prevent rollovers and loss of control by selectively applying brakes and reducing engine power.
• Safety Features:
  • Air Disc Brakes: Often an optional upgrade, offering superior stopping power and improved fade resistance over traditional drum brakes.
  • ABS (Anti-lock Braking System) & ATC (Automatic Traction Control): Standard features for enhanced braking and traction in adverse conditions.
  • LED Headlights: Optional LED lighting provides brighter, clearer illumination for improved nighttime visibility.
  • Reinforced Cab Structure: Designed to provide a strong safety cell for occupants, meeting stringent federal safety standards.
  • Driver-side Airbag: An available option for additional impact protection.
• Crash-Test Ratings: Unlike passenger cars, heavy-duty trucks like the T680 are not evaluated by agencies such as NHTSA or IIHS for crash-test star ratings. Their safety is instead demonstrated through compliance with federal motor vehicle safety standards (FMVSS), robust structural design, and the integration of advanced collision avoidance technologies.

What Colors Options are Available?

2019 Kenworth T680 Prices and Market Value

2019 Kenworth T680 Cost of Ownership

2019 Kenworth T680 Fuel Efficiency

2019 Kenworth T680 Warranty

2019 Kenworth T680 Insurance

How Does the 2019 Kenworth T680 Compare to Other Truck?

The 2019 Kenworth T680 stands as a premium contender in the Class 8 heavy-duty truck segment, competing fiercely with established rivals like the Freightliner Cascadia (especially the New Cascadia), Peterbilt 579, Volvo VNL, and International LT Series.

• Performance: The T680 excels with its powerful PACCAR MX-13 or Cummins X15 engines, paired efficiently with PACCAR's or Eaton's Automated Manual Transmissions (AMTs). This setup delivers robust pulling power and excellent fuel economy. The Freightliner Cascadia, with its integrated Detroit DD engines and DT12 AMT, offers comparable, highly optimized performance. The Peterbilt 579 mirrors the T680's performance almost identically due to shared powertrains. Volvo's VNL, with its D-series engines and I-Shift AMT, is renowned for its incredibly smooth and efficient shifts.
• Features: Kenworth emphasizes driver comfort and quality, with spacious sleepers (like the 76-inch Studio), premium interior materials, the NavPlus infotainment system, and Bendix Wingman Fusion ADAS. The Freightliner New Cascadia is arguably a benchmark for integrated technology, offering its Detroit Assurance ADAS and a highly digital, driver-focused cockpit. The Peterbilt 579 shares many of the T680's interior luxuries. Volvo's VNL is praised for its ergonomic cabin, advanced safety features, and the exceptional I-Shift experience.
• Reliability: Both the T680 and Peterbilt 579 benefit from Kenworth/Peterbilt's strong reputation for durability and robust construction. Their PACCAR and Cummins powertrains are well-proven. Volvo's VNL is also highly regarded for its reliability, particularly its powertrain. Freightliner offers a vast service network, contributing to confidence in their Cascadia's long-term serviceability. International's LT has made strides in reliability, particularly with its A26 engine.
• Price: New, the 2019 T680 and Peterbilt 579 were typically positioned at the premium end of the market. The Freightliner Cascadia usually offered competitive pricing, often slightly below the PACCAR brands for comparable specs, providing strong value. Volvo VNLs were often in a similar premium bracket to Kenworth. The International LT Series generally aimed for a more value-oriented price point.

Alternatives: For buyers seeking alternatives, the Peterbilt 579 is a nearly identical choice, offering the same core performance and comfort with a different aesthetic. The Volvo VNL is an excellent alternative for its superior integrated powertrain and safety focus. For fleets prioritizing advanced ADAS integration and comprehensive service networks, the Freightliner New Cascadia might be considered "better" in certain operational contexts due to its highly optimized Detroit ecosystem. The T680 remains a top-tier option for owner-operators and fleets prioritizing driver appeal, aerodynamic efficiency, and lasting quality.

Final Verdict: Is the 2019 Kenworth T680 a Good Truck?

2019 Kenworth T680 Owner Reviews

Eugene S

Eugene is an automotive enthusiast with over 15 years of experience in the used car market. As a writer at VINCheck.info, he brings deep industry insight and a passion for cars, helping readers make smart, informed decisions. Eugene has written hundreds of used car reviews and is known for breaking down complex automotive topics into clear, actionable advice. Over the years, he has driven and worked on a wide range of vehicles—starting with tuning street cars in his early days and eventually focusing on performance upgrades and reliability improvements. Today, he specializes in evaluating used vehicles through the lens of real-world ownership and enthusiast needs. A longtime fan of Porsche, Eugene especially appreciates vehicles that blend durability with driving enjoyment.