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Infiniti M45 Problems

The Infiniti M45 was a luxury performance sedan produced from 2003 to 2010. With 744 complaints on record, this high-end sedan showed reliability concerns concentrated in earlier model years. Fuel system issues, engine problems, and electrical failures were the most commonly reported complaints. The 2003 model year is particularly problematic with 356 complaints, nearly half of all reported issues.

744
Total Complaints
28
Total Recalls
7
Model Years
0
Reported Deaths
!

Years to Avoid

These years have significantly more complaints than average.

2003
✓

Best Years

These years have the fewest reported problems.

2008 2009 2010

Common Problem Categories

Fuel System, Gasoline 176
Engine 106
Electrical System 74
Air Bags 56
Seats 52

Complaints by Model Year

All Model Years

Year ↓ Complaints Recalls Crashes Fires Rating
2010 2 5 0 0 Good
2009 4 5 4 0 Good
2008 12 5 0 0 Good
2007 68 5 0 0 Average
2006 204 6 4 0 Below Average
2004 98 1 0 0 Average
2003 356 1 0 0 Avoid

Infiniti M45 Years to Avoid

2003, 2006, 2004

Best Infiniti M45 Years

2010, 2009, 2008

Frequently Asked Questions

What are the most common problems with the Infiniti M45?

The most frequently reported issues include gasoline fuel system problems, engine malfunctions, electrical system failures, airbag concerns, and seat defects.

Which Infiniti M45 years should I avoid?

The 2003 model year should be avoided as it has the highest complaint count with 356 reported issues. The 2006 model is also problematic with 204 complaints.

Is the Infiniti M45 reliable?

The M45 has variable reliability. Earlier models from 2003-2006 show more issues, while 2008-2010 models demonstrate much improved reliability with significantly fewer complaints.

What is the best year for a used Infiniti M45?

The 2010 and 2009 model years are the best choices with only 2 and 4 complaints respectively, showing excellent reliability in final production years.