FaultScore

Worst years for a Kenworth T680

Owners have filed 112 complaints about the Kenworth T680 with NHTSA across model years 2014 to 2024. More of them are about the brakes than anything else.

Avoid

2019 Kenworth T680

14 complaints — the highest FaultScore of any year, mostly brakes.

Cleanest on record

2020 Kenworth T680

11 complaints — the lowest FaultScore of the graded years.

Every Kenworth T680 year, graded

The grade compares each year against the rest of this model's own run — never against another car. Click any bar or row to open that year's report.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2024 7 0 0 Windows, Mirrors & Wipers
2023 D 12 2 0 122,000 Transmission & Drivetrain
2022 3 0 0 Engine & Cooling
2020 A 11 0 0 Transmission & Drivetrain
2019 D 14 0 4 200,000 Brakes
2018 C 17 1 1 265,190 Brakes
2017 9 0 5 209,000 Brakes
2016 7 0 0 250,000 Brakes
2015 D 14 3 4 508,600 Engine & Cooling
2014 B 18 0 1 428,916 Windows, Mirrors & Wipers

What breaks on a Kenworth T680

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Brakes 22 19.6%

Worst in 2017

Transmission & Drivetrain 17 15.2%

Worst in 2020

Windows, Mirrors & Wipers 12 10.7%

Worst in 2014

Engine & Cooling 10 8.9%

Worst in 2014

Electrical System 7 6.3%

Worst in 2014

Fuel & Propulsion 7 6.3%

Worst in 2019

Driver Assist & Collision Avoidance 7 6.3%

Worst in 2018

Acceleration & Cruise Control 5 4.5%

Worst in 2014

Other & Unspecified 5 4.5%

Worst in 2019

Body & Structure 4 3.6%

Worst in 2019

Tires 4 3.6%

Worst in 2017

Seat Belts 4 3.6%

Worst in 2018

Steering 2 1.8%

Worst in 2014

Seats 2 1.8%

Worst in 2018

Complaints filed over time

Every complaint about every Kenworth T680, by the month it reached NHTSA.

Apr 2016 peak 7 Apr 2026

Compare the Kenworth T680

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.