928
Porsche 928 (1978–1995)
Maintenance Schedule
9 recurring services keep the 1978–1995 Porsche 928 healthy — starting with oil changes every 3,000 miles. Budget roughly $10,600–15,900 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Full schedule
Intervals follow the factory maintenance schedule for the 1978-1995 Porsche 928. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 3,000 mi or 3 mo | $80–120 | High-performance oil and filter |
| Brake Fluid | Every 12,000 mi or 12 mo | $150–220 | Performance brake fluid replacement |
| Tune-up | Every 15,000 mi or 12 mo | $300–450 | Spark plugs, air filter, fuel filter |
| Transmission Service | Every 30,000 mi or 30 mo | $400–600 | Automatic transmission fluid |
| Coolant Flush | Every 30,000 mi or 3 yr | $250–350 | Engine coolant replacement |
| Power Steering | Every 30,000 mi or 3 yr | $120–180 | Power steering fluid replacement |
| Suspension Check | Every 30,000 mi or 2 yr | $300–500 | Suspension system inspection |
| Differential Service | Every 30,000 mi or 3 yr | $300–450 | Limited slip differential service |
| Timing Belt | Every 60,000 mi or 5 yr | $800–1,200 | Timing belt and water pump replacement |
Common questions
How often should I change the oil on a 1978–1995 Porsche 928?
Every 3,000 miles or 3 months, whichever comes first. A typical U.S. shop charges $80–120. High-performance oil and filter.
How much does it cost to maintain a Porsche 928 (1978–1995)?
Routine maintenance on the 1978–1995 Porsche 928 runs roughly $10,600–15,900 over 100,000 miles at typical U.S. shop prices, spread across 9 recurring services. Independent shops usually land near the low end; dealers near the high end.
What is the most expensive scheduled service on this 928?
Timing Belt at $800–1,200, due every 60,000 miles. Timing belt and water pump 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.