Reliability & cost of ownership
Kenworth T4 Series Reliability & Common Problems
How reliable is the Kenworth T4 Series? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
Kenworth T4 Series problems by model year
3 recall entries and 0 owner complaints on file across 3 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2012 T4 Series | 1 | 0 | No NCAP test | Recalls & complaints → |
| 2011 T4 Series | 1 | 0 | No NCAP test | Recalls & complaints → |
| 2010 T4 Series | 1 | 0 | No NCAP test | Recalls & complaints → |