2003 Honda Civic Oil Type & Capacity
The 2003 Honda Civic oil type depends on the engine: the DX, 2D Coupe, Automatic takes 5W-20 (3.4 quarts qt with filter); the DX, 2D Coupe, Standard takes 5W-20 (3.4 quarts qt with filter); the EX, 2D Coupe, Automatic takes 5W-20 (4.4 quarts qt with filter); the EX, 2D Coupe, Standard takes 5W-20 (4.4 quarts qt with filter); the EX, 4D Sedan, Automatic, BMXA takes 5W-20 (3.7 quarts qt with filter); the EX, 4D Sedan, Automatic, SLXA takes 5W-20 (3.7 quarts qt with filter); the EX, 4D Sedan, Standard takes 5W-20 (3.7 quarts qt with filter); the GX takes 5W-20 (3.4 quarts qt with filter); the HX, Automatic CVT takes 5W-20 (3.4 quarts qt with filter); the HX, Standard takes 5W-20 (3.4 quarts qt with filter); the Hybrid, Automatic CVT takes 5W-20 (3.4 quarts qt with filter); the Hybrid, Standard takes 5W-20 (3.4 quarts qt with filter); the LX, 2D Coupe, Automatic takes 5W-20 (3.4 quarts qt with filter); the LX, 2D Coupe, Standard takes 5W-20 (3.4 quarts qt with filter); the Si takes 5W-30 (4.4 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- DX, 2D Coupe, Automatic: 5W-20, 3.4 quarts with filter
- DX, 2D Coupe, Standard: 5W-20, 3.4 quarts with filter
- EX, 2D Coupe, Automatic: 5W-20, 4.4 quarts with filter
- EX, 2D Coupe, Standard: 5W-20, 4.4 quarts with filter
- EX, 4D Sedan, Automatic, BMXA: 5W-20, 3.7 quarts with filter
- EX, 4D Sedan, Automatic, SLXA: 5W-20, 3.7 quarts with filter
- EX, 4D Sedan, Standard: 5W-20, 3.7 quarts with filter
- GX: 5W-20, 3.4 quarts with filter
- HX, Automatic CVT: 5W-20, 3.4 quarts with filter
- HX, Standard: 5W-20, 3.4 quarts with filter
- Hybrid, Automatic CVT: 5W-20, 3.4 quarts with filter
- Hybrid, Standard: 5W-20, 3.4 quarts with filter
- LX, 2D Coupe, Automatic: 5W-20, 3.4 quarts with filter
- LX, 2D Coupe, Standard: 5W-20, 3.4 quarts with filter
- Si: 5W-30, 4.4 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| DX, 2D Coupe, Automatic — DX,EX,HX,LX,Coupe | API - SAE 5W-20 | 4.40 QTS. | — | — |
| DX, 2D Coupe, Automatic — DX,HX,LX,Coupe | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | — |
| DX, 2D Coupe, Standard — DX,EX,HX,LX,Coupe | API - SAE 5W-20 | 4.40 QTS. | — | — |
| DX, 2D Coupe, Standard — DX,HX,LX,Coupe | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | — |
| EX, 2D Coupe, Automatic — DX,EX,HX,LX,Coupe | API - SAE 5W-20 | 4.40 QTS. | — | — |
| EX, 2D Coupe, Standard — DX,EX,HX,LX,Coupe | API - SAE 5W-20 | 4.40 QTS. | — | — |
| EX, 4D Sedan, Automatic, BMXA — EX,Sedan | API - SAE 5W-20 | 3.70 QTS. | 3.50 QTS. | — |
| EX, 4D Sedan, Automatic, SLXA — EX,Sedan | API - SAE 5W-20 | 3.70 QTS. | 3.50 QTS. | — |
| EX, 4D Sedan, Standard — EX,Sedan | API - SAE 5W-20 | 3.70 QTS. | 3.50 QTS. | — |
| GX — GX | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | — |
| HX, Automatic CVT — DX,EX,HX,LX,Coupe | API - SAE 5W-20 | 4.40 QTS. | — | — |
| HX, Automatic CVT — DX,HX,LX,Coupe | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | — |
| HX, Standard — DX,EX,HX,LX,Coupe | API - SAE 5W-20 | 4.40 QTS. | — | — |
| HX, Standard — DX,HX,LX,Coupe | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | — |
| Hybrid, Automatic CVT — Hybrid | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | API - SAE 5W-20 oil may be used if SAE 0W-20 is not available. |
| Hybrid, Standard — Hybrid | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | API - SAE 5W-20 oil may be used if SAE 0W-20 is not available. |
| LX, 2D Coupe, Automatic — DX,EX,HX,LX,Coupe | API - SAE 5W-20 | 4.40 QTS. | — | — |
| LX, 2D Coupe, Automatic — DX,HX,LX,Coupe | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | — |
| LX, 2D Coupe, Standard — DX,EX,HX,LX,Coupe | API - SAE 5W-20 | 4.40 QTS. | — | — |
| LX, 2D Coupe, Standard — DX,HX,LX,Coupe | API - SAE 5W-20 | 3.40 QTS. | 3.20 QTS. | — |
| Si — Si | API - SAE 5W-30 | 4.40 QTS. | 4.20 QTS. | Excluding the oil remaining in the engine. You may use a SAE 10W-30 oil if the temperature in your area never goes below 20Deg.F (-7Deg.C). You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. You may use a SAE 10W-30 oil if the temperature in your area never goes below 20Deg.F (-7Deg.C). You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight. |
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More factory specs & repair guides for your Civic
🛞 2003 Honda Civic Tire Size & Pressure →🌧️ 2003 Honda Civic Wiper Blade Sizes →💡 2003 Honda Civic Light Bulb Sizes →📖 2003 Honda Civic Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
4.32 quarts (4.08 L) — 50/50 mixture of HONDA Antifreeze/Coolant and water. Includes: the coolant in the reserve tank and that remaining in the engine.
Frequently asked questions
What type of oil does a 2003 Honda Civic take?
It depends on the engine: DX, 2D Coupe, Automatic uses 5W-20; DX, 2D Coupe, Standard uses 5W-20; EX, 2D Coupe, Automatic uses 5W-20; EX, 2D Coupe, Standard uses 5W-20; EX, 4D Sedan, Automatic, BMXA uses 5W-20; EX, 4D Sedan, Automatic, SLXA uses 5W-20; EX, 4D Sedan, Standard uses 5W-20; GX uses 5W-20; HX, Automatic CVT uses 5W-20; HX, Standard uses 5W-20; Hybrid, Automatic CVT uses 5W-20; Hybrid, Standard uses 5W-20; LX, 2D Coupe, Automatic uses 5W-20; LX, 2D Coupe, Standard uses 5W-20; Si uses 5W-30.
What is the oil capacity of a 2003 Honda Civic?
Oil capacity depends on the engine: DX, 2D Coupe, Automatic holds 3.4 quarts with filter; DX, 2D Coupe, Standard holds 3.4 quarts with filter; EX, 2D Coupe, Automatic holds 4.4 quarts with filter; EX, 2D Coupe, Standard holds 4.4 quarts with filter; EX, 4D Sedan, Automatic, BMXA holds 3.7 quarts with filter; EX, 4D Sedan, Automatic, SLXA holds 3.7 quarts with filter; EX, 4D Sedan, Standard holds 3.7 quarts with filter; GX holds 3.4 quarts with filter; HX, Automatic CVT holds 3.4 quarts with filter; HX, Standard holds 3.4 quarts with filter; Hybrid, Automatic CVT holds 3.4 quarts with filter; Hybrid, Standard holds 3.4 quarts with filter; LX, 2D Coupe, Automatic holds 3.4 quarts with filter; LX, 2D Coupe, Standard holds 3.4 quarts with filter; Si holds 4.4 quarts with filter.
How often should I change the oil in my 2003 Honda Civic?
Most 2003 Honda Civic owners follow a 5,000–7,500 mile interval with conventional oil, or up to 10,000 miles with full synthetic. Always check the oil life monitor if equipped, and consult your owner's manual — Honda recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2003 Honda Civic?
Yes. 5W-20 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2003 Honda Civic. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.