GG/GY

Mazda Mazda6 (2003–2008)
Maintenance Schedule

8 recurring services keep the 2003–2008 Mazda Mazda6 healthy — starting with oil changes every 7,500 miles. Budget roughly $1,300–2,100 in routine maintenance over 100,000 miles at typical U.S. shop prices.

Applies to model years 2003, 2004, 2005, 2006, 2007, 2008

Oil change every 7,500 mi
Services tracked 8
Est. cost / 100k mi $1,300–2,100
Biggest single job Timing Chain

Full schedule

Intervals follow the factory maintenance schedule for the 2003-2008 Mazda Mazda6. Cost ranges are typical U.S. shop prices.

Service Interval Est. cost Notes
Oil Change Every 7,500 mi or 6 mo $45–70 Conventional or synthetic blend oil and filter
Cabin Filter Every 15,000 mi or 12 mo $22–42 Cabin air filter replacement
Brake Fluid Every 30,000 mi or 2 yr $65–95 DOT 3 brake fluid replacement
Air Filter Every 30,000 mi or 2 yr $28–50 Engine air filter replacement
Spark Plugs Every 60,000 mi or 5 yr $100–180 Iridium spark plugs replacement (4-cyl or V6)
Transmission Fluid Every 60,000 mi or 5 yr $120–180 Manual or automatic transmission fluid change
Coolant Flush Every 100,000 mi or 100 mo $80–130 Long-life coolant flush and refill
Timing Chain Every 150,000 mi or 150 mo $900–1,500 Timing chain and guides replacement

Common questions

How often should I change the oil on a 2003–2008 Mazda Mazda6?

Every 7,500 miles or 6 months, whichever comes first. A typical U.S. shop charges $45–70. Conventional or synthetic blend oil and filter.

How much does it cost to maintain a Mazda Mazda6 (2003–2008)?

Routine maintenance on the 2003–2008 Mazda Mazda6 runs roughly $1,300–2,100 over 100,000 miles at typical U.S. shop prices, spread across 8 recurring services. Independent shops usually land near the low end; dealers near the high end.

What is the most expensive scheduled service on this Mazda6?

Timing Chain at $900–1,500, due every 150,000 miles. Timing chain and guides replacement.

Cost ranges are typical U.S. independent-shop and dealer estimates; your local prices vary. Severe driving — towing, short trips, extreme heat or cold — shortens many intervals. Information here is general and may be estimated or AI-assisted — not professional, medical, or veterinary advice. Verify against your owner's manual, a professional, or your vet before acting. See our Terms & Disclaimer.