🛢️Oil Type & Capacity
Hummer H3 Oil Type & Capacity
Find the correct oil type, weight, and capacity for your Hummer H3. Covers all model years with filter recommendations and drain intervals.
Quick Answer
The Hummer H3 uses synthetic motor oil — typically 0W-20 for newer models (2010+) or 5W-30 for older ones. Capacity varies by engine; check below for your specific year.
2006-2010
2006-2010Recommended Oil5W-30 Conventional or Synthetic
Oil Capacity (with filter)4.0 - 6.5 quarts (varies by engine)
Oil Change Interval3,000 - 5,000 miles
Drain Plug Torque25 - 35 ft-lbs (check service manual)
Notes
- →Always verify oil weight on the oil cap or in your Hummer owner's manual
Frequently Asked Questions
- What type of oil does a Hummer H3 use?
- Most newer Hummer H3 models (2010+) use 0W-20 full synthetic oil. Older models typically use 5W-30. The exact specification depends on your engine — check the oil cap or owner's manual for the definitive answer.
- How many quarts of oil does a Hummer H3 take?
- Oil capacity for the Hummer H3 ranges from 4.0 to 6.5 quarts depending on engine size and whether you're replacing the filter. Four-cylinder engines are typically on the lower end, V6 and V8 on the higher end.
- Can I use conventional oil in my Hummer H3?
- For 2010+ Hummer H3 models, full synthetic is strongly recommended (and often required). Older models can typically use conventional, but synthetic provides better protection, longer drain intervals, and improved fuel economy.
- How often should I change the oil in my Hummer H3?
- Modern Hummer H3 models typically call for oil changes every 5,000 - 10,000 miles depending on driving conditions. Older models should stick to 3,000 - 5,000 miles. Severe driving (towing, extreme heat, short trips) may require more frequent changes.
- What happens if I use the wrong oil in my Hummer H3?
- Using oil that's too thick can reduce fuel economy and increase engine wear during cold starts. Oil that's too thin may not protect adequately under load. For best results, always use the manufacturer-specified weight.