Hummer H3 Oil Type & Capacity
GarageDex's oil-spec data shows the Hummer H3 takes 5W-30 engine oil, about 6 qt with a filter change, on 2007-2010 models. That has been the factory spec across every year we cover.
Oil by model year
| Model years | Oil type | Capacity | Buy |
|---|---|---|---|
| 2007-2010 | 5W-30 | 6 qt | Shop 5W-30 |
Capacity is with a filter change and can vary by engine - open your exact year below for the per-engine figures and our sources. Shop links go to Amazon, and we may earn a commission at no extra cost to you.
Every H3 year
Frequently asked
What kind of oil does a Hummer H3 take?
GarageDex's oil-spec data shows the Hummer H3 takes 5W-30 engine oil, about 6 qt with a filter change, on 2007-2010 models. That has been the factory spec across every year we cover.
How many quarts of oil does a Hummer H3 take?
About 6 qt with a filter change on 2007-2010 models. Capacity varies by engine, so check your exact year for the per-engine figure - and finish on the dipstick rather than pouring in the full amount.
Does the oil type change by year on the Hummer H3?
No - every year we cover uses 5W-30.
Sources. The oil grade and capacity for 4 of 4 model years is checked against a cited source, most often Oilchange (H3 oil capacity). Each year page lists its own sources.
Last verified 2026-06-21. Maintained by Matan B., who runs GarageDex. How we verify.