Typically 4.4 to 4.5 quarts of engine oil with a filter, depending on the engine variant. Always verify the exact capacity in the owner's manual or on the under-hood decal.
Engine variants and oil capacities
The 2009 Honda Civic came with multiple four-cylinder options. The following figures refer to engine oil capacity with the filter installed and assume the recommended oil grade unless otherwise noted.
- 1.8L i-4 (R18A1) — 4.4 quarts (with filter). Recommended oil: 5W-20.
- 2.0L i-4 (non-Si engines) — about 4.4 to 4.5 quarts (with filter). Recommended oil: 5W-20.
- 2.0L i-4 (Si, K20Z3) — 4.5 quarts (with filter). Recommended oil: 5W-20.
Bottom line: the exact amount depends on which four-cylinder engine your 2009 Civic has. When in doubt, consult the owner's manual or a Honda service bulletin for the precise specification.
Oil type and practical tips
Beyond capacity, use the Honda-recommended oil grade and service interval. For most 2009 Civics, Honda specifies 5W-20 oil (synthetic blend or full synthetic as available) and to replace the oil filter with every change. Always check the dipstick after filling to ensure proper level and avoid overfilling, which can cause excessive pressure or foaming.
Summary
In general, a 2009 Honda Civic requires roughly 4.4 to 4.5 quarts of oil when performing an oil change, with the precise amount depending on the engine variant. Confirm the exact capacity for your trim in the owner’s manual, and use 5W-20 oil as recommended by Honda.