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Infiniti Q45 Problems

The Infiniti Q45 was Infiniti's flagship luxury sedan, produced from 1990 to 2006. With 612 total complaints across its production run, the early 1990s models accumulated the most issues, particularly the 1991 and 1994 model years. Electrical system problems, power train issues, and airbag concerns are the most frequently reported problems with this luxury sedan.

612
Total Complaints
3
Total Recalls
16
Model Years
0
Reported Deaths
!

Years to Avoid

These years have significantly more complaints than average.

1991
✓

Best Years

These years have the fewest reported problems.

1993 1995 1996

Common Problem Categories

Electrical System 82
Power Train 66
Air Bags 56
Engine And Engine Cooling 50
Suspension 40

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2005 10 1 4 0 Good
2004 28 1 0 0 Average
2003 40 1 2 0 Average
2002 58 0 2 0 Below Average
2001 8 0 2 0 Good
2000 26 0 0 0 Average
1999 20 0 6 0 Average
1998 32 0 8 2 Average
1997 26 0 0 0 Average
1996 16 0 0 0 Good
1995 16 0 6 0 Good
1994 94 0 22 8 Below Average
1993 6 0 2 0 Good
1992 68 0 12 12 Below Average
1991 98 0 6 8 Avoid
1990 66 0 2 0 Below Average

Infiniti Q45 Years to Avoid

1991, 1994, 1992, 1990

Best Infiniti Q45 Years

1993, 2001, 2005

Frequently Asked Questions

What are the most common problems with the Infiniti Q45?

Electrical system issues lead with 82 complaints, followed by power train problems (66), airbag concerns (56), engine and cooling issues (50), and suspension problems (40). These issues span across most model years.

Which Infiniti Q45 years should I avoid?

The 1991 (98 complaints) and 1994 (94 complaints) model years should be avoided. The 1992 and 1990 models also have elevated complaint levels with 68 and 66 complaints respectively.

Is the Infiniti Q45 reliable?

The Q45 has mixed reliability depending on the model year. Early 1990s models show more issues, while mid-2000s models tend to be more reliable. As a complex luxury vehicle, maintenance costs can be higher than average.

What is the best year for the Infiniti Q45?

The 1993, 2001, and 2005 model years have the fewest complaints (6-10 each) and represent the most reliable choices. The 2005 was one of the final years and benefited from years of refinement.