Is the Infiniti M45 reliable?

The Infiniti M45 has 372 NHTSA complaints, or 2201.2 per 1,000 vehicles. Its crash involvement rate is moderate. The most common issue is FUEL SYSTEM, GASOLINE. Source: VinItel

What Infiniti M45 years should I avoid?

Avoid the 2003 model year of the Infiniti M45 — it has significantly more NHTSA complaints than other years. The 2003 model year alone has 178 complaints. Source: VinItel (vinitel.com)

What are common Infiniti M45 problems?

The most common Infiniti M45 problems reported to NHTSA are: FUEL SYSTEM, GASOLINE (88 complaints, 0.0% crash rate); ENGINE (53 complaints, 0.0% crash rate); ELECTRICAL SYSTEM (37 complaints, 0.0% crash rate); SEATS (26 complaints, 0.0% crash rate); AIR BAGS (25 complaints, 0.0% crash rate). Source: VinItel

Should I buy a used Infiniti M45?

Used Infiniti M45 buyers should: 1) Check our years-to-avoid list for this model. 2) Verify the specific VIN for accident history, title issues, and odometer rollbacks. Free VIN check at vinitel.com.

Infiniti M45 Reliability by Year

372 NHTSA complaints (2003–2010). Complaint rate: 2201.2 per 1,000 vehicles.

Infiniti M45 reliability varies significantly by model year. Based on 372 NHTSA complaints (2003–2010), the most problematic years are 2003, with high complaint volumes linked to fuel system, gasoline.

Why these years are worse

The most common issues driving the complaint spikes:

fuel system, gasoline — 88 complaints (0.0% involved a crash)
engine problems — 53 complaints (0.0% involved a crash)
electrical faults — 37 complaints (0.0% involved a crash)
seat-related issues — 26 complaints (0.0% involved a crash)
airbag malfunctions — 25 complaints (0.0% involved a crash)

Severity Score

2568.1

Complaints

372

Crash Rate

1.1%

Fire Rate

0.0%

Injuries

Fatalities

—

Which Years to Buy & Avoid

Years auto-clustered by complaint volume relative to this model's median.

Bottom line: Avoid the 2003 Infiniti M45. The 2008–2009 models had significantly fewer reported issues. Most common issue across all years: FUEL SYSTEM, GASOLINE.

Avoid These Years

2003

~178/yr complaints

2006

~102/yr complaints · 2 crashes

Average

2004

~49/yr complaints

2007

~34/yr complaints

Better Years

2008–2009

~4/yr complaints

Looking at a specific Infiniti M45?

A model's reputation is just the start.

Even within the “good” years, individual cars can have hidden accidents, title issues, or odometer rollbacks. Check the actual VIN before you buy — full history report for $4.99 (vs. Carfax $44.99).

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Complaints by Model Year

NHTSA complaint count per model year

Infiniti M45 — Complaints by Model YearPeak: 2003 (178)

Common Infiniti M45 Problems

Most reported component complaints to NHTSA

Component	Complaints	Crash %
FUEL SYSTEM, GASOLINE	88	0.0%
ENGINE	53	0.0%
ELECTRICAL SYSTEM	37	0.0%
SEATS	26	0.0%
AIR BAGS	25	0.0%
STEERING	25	0.0%
ENGINE AND ENGINE COOLING	15	0.0%
FUEL SYSTEM, OTHER:STORAGE:FUEL GAUGE SYSTEM	10	0.0%
VEHICLE SPEED CONTROL	10	20.0%
POWER TRAIN	9	0.0%

Year-by-Year Breakdown

NHTSA complaint count per model year — click any year for full problems & recalls breakdown.

Year	Generation	Complaints	Crashes	Fires	Details
2003AVOID	—	178	0	—	View →
2004	—	49	0	—	View →
2006AVOID	—	102	2	—	View →
2007	—	34	0	—	View →
2008GOOD	—	6	0	—	View →
2009GOOD	—	2	2	—	View →

Year-by-Year Breakdown

Tap any year for full problems & recalls breakdown.

See also: Infiniti M45accident & safety statistics from our vehicle history database.

Buying a Infiniti M45?

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