Reliability & 5-year cost of ownership — 2003 Infiniti Q45
NHTSA data on file today
The 2003 Infiniti Q45 has 1 NHTSA recall campaign and 12 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #12V079000 SIDE AIR BAG NON-DEPLOYMENT NHTSA notice
Most-cited components in owner complaints
- Engine 6 complaints
- Electrical System 3 complaints
- Steering 3 complaints
- Electronic Stability Control (ESC) 2 complaints
- Engine and Engine Cooling 1 complaint
- Power Train 1 complaint
Of the 12 complaints on file, 1 reports a crash; across all 12 complaints, owners report 1 injury (owner-reported, not verified by NHTSA).
Average
Estimated 5-year repair + maintenance cost: $8,000–$12,000AI estimate — not from NHTSA data
The 2003 Infiniti Q45 exhibits an average reliability with moderate issues in engine and electrical components. A notable recall affects side airbags, potentially impacting safety.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| engine | 80,000–120,000 miles | $1,500–$3,000 | common |
| electrical system | 70,000–110,000 miles | $500–$1,200 | occasional |
| steering | 90,000–130,000 miles | $400–$1,000 | 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 change every 5,000 miles
- Brake fluid replacement every 2 years
- Coolant flush every 60,000 miles
- Transmission fluid change every 60,000 miles
- Spark plug replacement every 105,000 miles
- Engine air filter replacement annually
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Unusual engine noises
- Electrical failures
- Steering wheel vibrations
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2003 Infiniti Q45 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.