Infiniti M45 Problems by Model Year

NHTSA recorded 277 consumer complaints across the 5 model years of the Infiniti M45 (2003–2008) that have at least 5 complaints. 2003 has the most, with 129. Across all years, the part named most often is fuel system (109 mentions). Pick a model year below to see its parts, mileage, recalls and service bulletins.

Best and worst M45 years →

All M45 model years

Years with fewer than 5 complaints are not listed. The score compares years of the same model, allowing for the era and for how long each year has collected complaints: 50 is a typical year, lower means fewer complaints. It is not adjusted for sales volume.

Parts named most often, all years

Counts add up complaint mentions across the listed years. A complaint can name several parts.

• Fuel system109 35%
• Engine53 17%
• Electrical system37 12%
• Air bags28 9.1%
• Seats26 8.4%
• Steering24 7.8%
• Engine cooling21 6.8%
• Vehicle speed control10 3.2%

Example complaints

One per model year, chosen for length and detail. Personal details are removed. They are consumer reports, not findings.

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