FaultScore

Worst years for a Infiniti M45

Owners have filed 372 complaints about the Infiniti M45 with NHTSA across model years 2003 to 2010. More of them are about the fuel & propulsion than anything else.

Avoid

2003 Infiniti M45

178 complaints — the highest FaultScore of any year, mostly fuel & propulsion.

Cleanest on record

2007 Infiniti M45

34 complaints — the lowest FaultScore of the graded years.

Every Infiniti M45 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.

Complaints filed with NHTSA, by model year. Bar colour is the FaultScore grade: A B C D F ungraded
Year Grade Complaints Crashes Fires Median miles Most reported
2010 1 0 0 Steering
2009 2 2 0 Acceleration & Cruise Control
2008 6 0 0 Airbags
2007 A 34 0 0 92,000 Airbags
2006 C 102 2 0 80,000 Engine & Cooling
2004 A 49 0 0 85,249 Fuel & Propulsion
2003 C 178 0 0 95,000 Fuel & Propulsion

What breaks on a Infiniti M45

Across every model year on file. Follow a row for that part's complaints and the year it was worst.

Fuel & Propulsion 114 30.6%

Worst in 2003

Engine & Cooling 75 20.2%

Worst in 2003

Worst in 2003

Airbags 28 7.5%

Worst in 2006

Seats 26 7.0%

Worst in 2006

Steering 25 6.7%

Worst in 2006

Acceleration & Cruise Control 12 3.2%

Worst in 2006

Transmission & Drivetrain 9 2.4%

Worst in 2003

Body & Structure 9 2.4%

Worst in 2003

Windows, Mirrors & Wipers 6 1.6%

Worst in 2003

Other & Unspecified 6 1.6%

Worst in 2006

Suspension 5 1.3%

Worst in 2006

Tires 5 1.3%

Worst in 2006

Brakes 4 1.1%

Worst in 2006

Complaints filed over time

Every complaint about every Infiniti M45, by the month it reached NHTSA.

Apr 2004 peak 24 Apr 2024

Compare the Infiniti M45

Side by side on complaint history. Remember that raw totals track how many were sold as much as how good they were.