Reliability & 5-year cost of ownership — 2003 Infiniti M45
NHTSA data on file today
The 2003 Infiniti M45 has 2 NHTSA recall campaigns and 129 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #12V088000 FUEL GAUGE NHTSA notice
- NHTSA #03V455000 NISSAN/CRANK/CAM POSITION SENSOR WELD NHTSA notice
Most-cited components in owner complaints
- Fuel System, Gasoline 65 complaints
- Engine 23 complaints
- Electrical System 22 complaints
- Engine and Engine Cooling 18 complaints
- Fuel System, Other 11 complaints
- Fuel/Propulsion System 6 complaints
Below average
Estimated 5-year repair + maintenance cost: $7,000–$12,000AI estimate — not from NHTSA data
The 2003 Infiniti M45 has a high incidence of fuel system and engine-related issues, reflected in numerous recalls and owner complaints. This impacts its reliability and increases ownership costs, resulting in a below-average rating.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| fuel gauge | 80,000–110,000 miles | $250–$500 | very common |
| cam/crank position sensor | 60,000–100,000 miles | $200–$400 | common |
| electrical components | 70,000–100,000 miles | $150–$300 | occasional |
AI estimate — not from NHTSA data: the mileage bands and repair-cost ranges above. Get a written repair quote before you budget.
Scheduled maintenance to budget
Routine items every owner should plan for.
- Oil and filter changes
- Brake fluid replacement
- Transmission fluid change
- Coolant flush
- Timing belt inspection
- Spark plug replacement
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Erratic fuel gauge readings
- Engine stalling or hesitation
- Dashboard warning lights
- Unexplained fuel consumption
- Inconsistent engine power
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2003 Infiniti M45 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.