6th Gen
Buick Century (1997–2005)
Maintenance Schedule
7 recurring services keep the 1997–2005 Buick Century healthy — starting with oil changes every 3,000 miles. Budget roughly $1,500–2,500 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005
Full schedule
Intervals follow the factory maintenance schedule for the 1997-2005 Buick Century. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 3,000 mi or 3 mo | $25–40 | Engine oil and filter replacement |
| Air Filter | Every 15,000 mi or 12 mo | $18–30 | Air filter replacement |
| Fuel Filter | Every 30,000 mi or 3 yr | $40–70 | Fuel filter replacement |
| Brake Fluid | Every 45,000 mi or 2 yr | $50–80 | Brake fluid flush and replacement |
| Transmission Service | Every 50,000 mi or 4 yr | $120–180 | Transmission fluid and filter change |
| Spark Plugs | Every 60,000 mi or 5 yr | $80–130 | Spark plug replacement |
| Coolant Service | Every 60,000 mi or 5 yr | $70–110 | Coolant flush and replacement |
Common questions
How often should I change the oil on a 1997–2005 Buick Century?
Every 3,000 miles or 3 months, whichever comes first. A typical U.S. shop charges $25–40. Engine oil and filter replacement.
How much does it cost to maintain a Buick Century (1997–2005)?
Routine maintenance on the 1997–2005 Buick Century runs roughly $1,500–2,500 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 Century?
Transmission Service at $120–180, due every 50,000 miles. Transmission fluid and filter change.
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.