Reliability & 5-year cost of ownership — 2003 Infiniti I35
NHTSA data on file today
The 2003 Infiniti I35 has 5 NHTSA recall campaigns and 93 owner complaints on file as of . Recall data is refreshed daily from NHTSA.
Recall campaigns on file
- NHTSA #20V008000 Frontal Passenger Air Bag Inflators May Explode NHTSA notice
- NHTSA #16V349000 Passenger Frontal Air Bag Inflator May Rupture NHTSA notice
- NHTSA #15V287000 Passenger Air Bag Inflator may Rupture NHTSA notice
- NHTSA #15V226000 Passenger Air Bag Inflator may Rupture NHTSA notice
- NHTSA #03V455000 NISSAN/CRANK/CAM POSITION SENSOR WELD NHTSA notice
Most-cited components in owner complaints
- Engine 44 complaints
- Engine and Engine Cooling 27 complaints
- Electrical System 13 complaints
- Vehicle Speed Control 10 complaints
- Air Bags 8 complaints
- Electronic Stability Control (ESC) 8 complaints
Of the 93 complaints on file, 2 report a crash (owner-reported, not verified by NHTSA).
Below average
Estimated 5-year repair + maintenance cost: $6,000–$12,000AI estimate — not from NHTSA data
The 2003 Infiniti I35's rating is impacted by significant airbag and engine issues. Frequent engine complaints and extensive airbag recalls outline potential reliability concerns.
Most-common failures
| Part | Typical mileage (AI estimate) | Cost range (AI estimate) | Frequency |
|---|---|---|---|
| engine | 80,000–120,000 miles | $500–$2,500 | very common |
| airbag system | any mileage | No reliable estimate | common |
| cam position sensor | 70,000–100,000 miles | $150–$350 | common |
| electrical system | 90,000–130,000 miles | $300–$1,000 | occasional |
| vehicle speed control | 100,000–130,000 miles | $200–$800 | 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 3 years
- Transmission fluid change every 60,000 miles
- Timing belt replacement at 100,000 miles
- Inspect tires and rotate every 7,500 miles
Warning signs to watch for
Symptoms that signal a major upcoming repair.
- Check engine light persistence
- Airbag warning light activation
- Stalling or rough idling
- Irregular speedometer behavior
- Unusual engine noises
Generated by gpt-4o on from the NHTSA recall campaigns and owner-complaint counts on file for the 2003 Infiniti I35 at the time. The rating is an AI assessment; cost and mileage figures are AI estimates, not NHTSA data.