1st Gen
GMC Envoy (1998–2000)
Maintenance Schedule
7 recurring services keep the 1998–2000 GMC Envoy healthy — starting with oil changes every 3,000 miles. Budget roughly $1,700–2,800 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 1998, 1999, 2000
Full schedule
Intervals follow the factory maintenance schedule for the 1998-2000 GMC Envoy. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 3,000 mi or 3 mo | $30–50 | Engine oil and filter replacement |
| Air Filter | Every 15,000 mi or 12 mo | $20–35 | 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 1998–2000 GMC Envoy?
Every 3,000 miles or 3 months, whichever comes first. A typical U.S. shop charges $30–50. Engine oil and filter replacement.
How much does it cost to maintain a GMC Envoy (1998–2000)?
Routine maintenance on the 1998–2000 GMC Envoy runs roughly $1,700–2,800 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 Envoy?
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.