Z33 Coupe
Infiniti G35 (2003–2007)
Maintenance Schedule
7 recurring services keep the 2003–2007 Infiniti G35 healthy — starting with oil changes every 3,750 miles. Budget roughly $2,000–3,200 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 2003, 2004, 2005, 2006, 2007
Full schedule
Intervals follow the factory maintenance schedule for the 2003-2007 Infiniti G35. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 3,750 mi or 6 mo | $50–85 | Synthetic blend oil and filter replacement |
| Brake Fluid | Every 30,000 mi or 2 yr | $70–100 | DOT 3 brake fluid replacement |
| Transmission Fluid | Every 60,000 mi or 5 yr | $140–220 | Manual or automatic transmission fluid change |
| Spark Plugs | Every 100,000 mi or 10 yr | $130–220 | Iridium spark plugs replacement (V6) |
| Coolant Flush | Every 100,000 mi or 10 yr | $90–145 | Long-life coolant flush and refill |
| Drive Belt | Every 100,000 mi or 10 yr | $80–140 | Serpentine belt replacement |
| Timing Chain | Every 120,000 mi or 12 yr | $850–1,400 | Timing chain, guides, and tensioner replacement |
Common questions
How often should I change the oil on a 2003–2007 Infiniti G35?
Every 3,750 miles or 6 months, whichever comes first. A typical U.S. shop charges $50–85. Synthetic blend oil and filter replacement.
How much does it cost to maintain a Infiniti G35 (2003–2007)?
Routine maintenance on the 2003–2007 Infiniti G35 runs roughly $2,000–3,200 over 100,000 miles at typical U.S. shop prices, spread across 7 recurring services. Independent shops usually land near the low end; dealers near the high end.
What is the most expensive scheduled service on this G35?
Timing Chain at $850–1,400, due every 120,000 miles. Timing chain, guides, and tensioner replacement.
Cost ranges are estimates for typical U.S. independent shops and dealers; your local prices will vary. Always confirm intervals against your owner's manual — severe driving conditions (towing, short trips, extreme heat or cold) shorten many of them.