1st Gen
Hummer H3 (2006–2010)
Maintenance Schedule
10 recurring services keep the 2006–2010 Hummer H3 healthy — starting with oil changes every 5,000 miles. Budget roughly $2,900–5,600 in routine maintenance over 100,000 miles at typical U.S. shop prices.
Applies to model years 2006, 2007, 2008, 2009, 2010
Full schedule
Intervals follow the factory maintenance schedule for the 2006-2010 Hummer H3. Cost ranges are typical U.S. shop prices.
| Service | Interval | Est. cost | Notes |
|---|---|---|---|
| Oil Change | Every 5,000 mi or 6 mo | $60–110 | Engine oil and filter replacement |
| Cabin Air Filter | Every 15,000 mi or 12 mo | $35–70 | Replace cabin air filter |
| Air Filter | Every 30,000 mi or 12 mo | $40–80 | Replace engine air filter |
| Transmission Fluid | Every 50,000 mi | $180–360 | Replace automatic or manual transmission fluid |
| Transfer Case Service | Every 50,000 mi | $120–240 | Service transfer case fluid |
| Differential Service | Every 50,000 mi | $150–300 | Replace front and rear differential fluid |
| Coolant Flush | Every 100,000 mi or 5 yr | $150–300 | Replace Dex-Cool coolant |
| Spark Plugs | Every 100,000 mi | $120–240 | Replace spark plugs |
| Timing Chain Inspection | Every 100,000 mi | $200–400 | Inspect timing chain for stretch |
| Brake Fluid | Every 2 yr | $80–160 | Replace brake fluid every 2 years |
Common questions
How often should I change the oil on a 2006–2010 Hummer H3?
Every 5,000 miles or 6 months, whichever comes first. A typical U.S. shop charges $60–110. Engine oil and filter replacement.
How much does it cost to maintain a Hummer H3 (2006–2010)?
Routine maintenance on the 2006–2010 Hummer H3 runs roughly $2,900–5,600 over 100,000 miles at typical U.S. shop prices, spread across 10 recurring services. Independent shops usually land near the low end; dealers near the high end.
What is the most expensive scheduled service on this H3?
Timing Chain Inspection at $200–400, due every 100,000 miles. Inspect timing chain for stretch.
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.