The 2025 Kenworth T680 stands at the top of Kenworth’s on-highway lineup. Designed for long-haul, regional, and linehaul operations, it combines cutting-edge aerodynamics, modern driver technology, and exceptional fuel efficiency. As part of the “Next Generation” series, the T680 continues Kenworth’s legacy of producing premium trucks that deliver performance, comfort, and reliability.
Key Specifications & Performance
- Engine Options:
- PACCAR MX-13 (12.9L) producing up to 500 horsepower and 1,850 lb-ft of torque
- PACCAR MX-11 (10.8L) available for lighter-duty applications
- Transmission:
- Eaton 12-speed automated or manual transmission options
- Fuel Efficiency:
- Up to 6% better fuel economy compared to the previous generation T680
- Configuration Options:
- Available in Day Cab, 40-inch, 52-inch, and 76-inch Sleeper configurations
- Real-World Efficiency:
- Testing shows up to 10 MPG under highway conditions with optimized spec packages
This combination of advanced aerodynamics and engine technology helps fleets reduce fuel costs significantly over time while maintaining power for heavy loads.
Price & Cost Overview
Pricing for the 2025 Kenworth T680 varies widely depending on configuration and options.
- Starting Price: Around $150,000 for a basic Day Cab
- Fully Equipped 76-inch Sleeper Models: Can exceed $200,000+ with premium features and aerodynamic packages
While the upfront cost is high, owner-operators and fleets often recover this investment through improved fuel efficiency and lower operating costs over the truck’s lifespan.
Interior, Cabin & Comfort
Kenworth has focused heavily on driver comfort and ergonomics in the 2025 T680.
Cab Design:
- Spacious 83-inch-wide cab with easy walk-through access
- Quiet interior thanks to advanced sound insulation
- Climate control optimized for long-haul comfort
Technology & Display:
- A massive 15-inch digital driver display, one of the largest in the class
- Customizable dash layout for key metrics and navigation
- Advanced driver-assist tech including lane keeping, adaptive cruise, and torque-assisted steering
Sleeper Comfort:
- 76-inch high-roof sleeper with options for a fridge, microwave mount, rotating worktable, and multiple storage compartments
- Soft-touch materials and LED lighting for a home-like environment
On-Road Experience
The 2025 Kenworth T680 drives with precision and smoothness uncommon in heavy trucks.
Performance:
- Excellent power delivery with the PACCAR MX-13 engine
- Smooth gear shifts and reduced driver fatigue with the automated transmission
- Improved steering feedback and reduced vibration on long routes
Efficiency:
- Aerodynamic improvements result in real-world gains of up to one extra mile per gallon compared to older trucks
- New driver-assist systems enhance safety and reduce stress in traffic or long-distance runs
Drivers report that the new T680 feels more stable, quieter, and less tiring to operate, especially on multi-day hauls.
Pros & Cons
Pros:
- Outstanding aerodynamics for fuel savings
- Spacious, comfortable, and well-designed interior
- Large digital display and advanced driver assistance features
- Multiple configurations for different fleet needs
- Excellent build quality and reliability reputation
Cons:
- High upfront purchase price
- Efficiency benefits depend on optimal specs and configurations
- Complex electronic systems may require specialized servicing
- Some early units may have minor software bugs as technology evolves
Final Verdict
The 2025 Kenworth T680 is one of the most advanced Class 8 trucks available in the U.S. market today. It blends fuel efficiency, cutting-edge technology, and unmatched driver comfort in a design that’s built for the long haul.
For fleets and owner-operators focused on long-distance routes, the T680’s combination of reliability, fuel economy, and driver-focused features make it a top-tier investment. The Day Cab and Sleeper options ensure flexibility for both regional and national operations.
In short: If you’re looking for a premium, efficient, and future-ready truck, the 2025 Kenworth T680 remains one of the best in its class.