Reliability & cost of ownership
Infiniti Q45 Reliability & Common Problems
How reliable is the Infiniti Q45? Compare every model year side by side — NHTSA recalls, owner complaints, and crash-test stars where on file — then open the year you're shopping for its AI reliability outlook where NHTSA has enough data.
Infiniti Q45 problems by model year
16 recall entries and 56 owner complaints on file across 9 model years, sourced from the federal NHTSA database.
| Year | Recalls | Complaints | NCAP stars | Full report |
|---|---|---|---|---|
| 2006 Q45 | 1 | None on file at try.vin | No overall rating on file | Recalls & complaints → |
| 2005 Q45 | 3 | 4 | No overall rating on file | AI reliability outlook → |
| 2004 Q45 | 2 | 7 | No overall rating on file | Recalls & complaints → |
| 2003 Q45 | 1 | 12 | No overall rating on file | AI reliability outlook → |
| 2002 Q45 | 1 | 20 | No overall rating on file | AI reliability outlook → |
| 2001 Q45 | 1 | 4 | No overall rating on file | Recalls & complaints → |
| 2000 Q45 | 1 | 9 | No overall rating on file | Recalls & complaints → |
| 1998 Q45 | 3 | None on file at try.vin | No overall rating on file | AI reliability outlook → |
| 1997 Q45 | 3 | None on file at try.vin | No overall rating on file | AI reliability outlook → |
Most-complained-about components
Owner complaints filed with NHTSA against the Infiniti Q45, grouped by the component each complaint names — the fastest read on where this model gives trouble.
- electrical system11 complaints
- engine8 complaints
- wheels7 complaints
- vehicle speed control7 complaints
- tires5 complaints
- exterior lighting5 complaints
- engine and engine cooling5 complaints
- steering5 complaints