Worst years for a Infiniti Q45
Owners have filed 307 complaints about the Infiniti Q45 with NHTSA across model years 1990 to 2005. More of them are about the electrical system than anything else.
Avoid
1994 Infiniti Q4547 complaints — the highest FaultScore of any year, mostly electrical system.
Every Infiniti Q45 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.
| Year | Grade | Complaints | Crashes | Fires | Median miles | Most reported |
|---|---|---|---|---|---|---|
| 2005 | — | 5 | 2 | 0 | 87,000 | Electrical System |
| 2004 | A | 14 | 0 | 0 | 42,173 | Electrical System |
| 2003 | B | 20 | 1 | 0 | 110,202 | Engine & Cooling |
| 2002 | C | 29 | 1 | 0 | 60,000 | Engine & Cooling |
| 2001 | — | 5 | 1 | 0 | — | Electrical System |
| 2000 | B | 13 | 0 | 0 | 1,525 | Suspension |
| 1999 | C | 10 | 3 | 0 | — | Tires |
| 1998 | C | 16 | 4 | 1 | 77,000 | Airbags |
| 1997 | A | 13 | 0 | 0 | 110,000 | Electrical System |
| 1996 | — | 8 | 0 | 0 | — | Airbags |
| 1995 | — | 8 | 3 | 0 | — | Acceleration & Cruise Control |
| 1994 | F | 47 | 11 | 4 | — | Electrical System |
| 1993 | — | 3 | 1 | 0 | — | Transmission & Drivetrain |
| 1992 | — | 34 | 6 | 6 | — | Transmission & Drivetrain |
| 1991 | — | 49 | 3 | 4 | — | Brakes |
| 1990 | — | 33 | 1 | 0 | — | Transmission & Drivetrain |
What breaks on a Infiniti Q45
Across every model year on file. Follow a row for that part's complaints and the year it was worst.
Worst in 1991
Worst in 1991
Worst in 1995
Worst in 1994
Worst in 1990
Worst in 1999
Worst in 1991
Worst in 1991
Worst in 2000
Worst in 2002
Exactly what failed on a Infiniti Q45
The named sub-assemblies behind those complaints, across every model year.
Complaints filed over time
Every complaint about every Infiniti Q45, by the month it reached NHTSA.
Compare the Infiniti Q45
Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.