2013 Kia Optima Oil Type & Capacity
The 2013 Kia Optima oil type depends on the engine: the 2.0L takes 5W-30 (4.86 quarts qt with filter); the 2.4L takes 5W-20 (4.86 quarts qt with filter); the Hybrid EX takes 5W-20 (4.86 quarts qt with filter); the Hybrid LX takes 5W-20 (4.86 quarts qt with filter); the LX takes 5W-20 (4.86 quarts qt with filter); the SX takes 5W-30 (4.86 quarts qt with filter); the SXL takes 5W-30 (4.86 quarts qt with filter), per the factory service manual.
Factory-spec answer
It depends on the engine:
- 2.0L: 5W-30, 4.86 quarts with filter
- 2.4L: 5W-20, 4.86 quarts with filter
- Hybrid EX: 5W-20, 4.86 quarts with filter
- Hybrid LX: 5W-20, 4.86 quarts with filter
- LX: 5W-20, 4.86 quarts with filter
- SX: 5W-30, 4.86 quarts with filter
- SXL: 5W-30, 4.86 quarts with filter
Oil capacity by engine
| Engine | Oil Type (viscosity) | Capacity w/ Filter | Capacity w/o Filter | Notes |
|---|---|---|---|---|
| 2.0L — 2.0L Eng | API Service SM, ILSAC GF-4, ACEA A5 or above, SAE 5W-30 or SAE 5W-40 | 4.86 QTS. | — | KIA recommends TOTAL QUARTZ oil. If the API service SM engine oil is not available, you may use API service SL. |
| 2.4L — 2.4L Eng | API Service SM, ILSAC GF-4 or above, SAE 5W-20 or SAE 5W-30 | 4.86 QTS. | — | KIA recommends TOTAL QUARTZ oil. If the API service SM engine oil is not available, you may use API service SL. For better fuel economy, it is recommended to use the engine oil viscosity grade SAE 5W-20 (API SM/ILSAC GF-4). |
| Hybrid EX — 2.4L Eng | API Service SM, ILSAC GF-4 or above, SAE 5W-20 or SAE 5W-30 | 4.86 QTS. | — | KIA recommends TOTAL QUARTZ oil. If the API service SM engine oil is not available, you may use API service SL. For better fuel economy, it is recommended to use the engine oil viscosity grade SAE 5W-20 (API SM/ILSAC GF-4). |
| Hybrid LX — 2.4L Eng | API Service SM, ILSAC GF-4 or above, SAE 5W-20 or SAE 5W-30 | 4.86 QTS. | — | KIA recommends TOTAL QUARTZ oil. If the API service SM engine oil is not available, you may use API service SL. For better fuel economy, it is recommended to use the engine oil viscosity grade SAE 5W-20 (API SM/ILSAC GF-4). |
| LX — 2.4L Eng | API Service SM, ILSAC GF-4 or above, SAE 5W-20 or SAE 5W-30 | 4.86 QTS. | — | KIA recommends TOTAL QUARTZ oil. If the API service SM engine oil is not available, you may use API service SL. For better fuel economy, it is recommended to use the engine oil viscosity grade SAE 5W-20 (API SM/ILSAC GF-4). |
| SX — 2.0L Eng | API Service SM, ILSAC GF-4, ACEA A5 or above, SAE 5W-30 or SAE 5W-40 | 4.86 QTS. | — | KIA recommends TOTAL QUARTZ oil. If the API service SM engine oil is not available, you may use API service SL. |
| SXL — 2.0L Eng | API Service SM, ILSAC GF-4, ACEA A5 or above, SAE 5W-30 or SAE 5W-40 | 4.86 QTS. | — | KIA recommends TOTAL QUARTZ oil. If the API service SM engine oil is not available, you may use API service SL. |
Complete Oil Change Bundle for 2013 Kia Optima
Everything you need delivered in one order. Pre-matched to your factory spec (5W-30, 4.86 quarts).
As an Amazon Associate we earn from qualifying purchases. Prices shown are real-time retail estimates.
Buy the right oil & filter for your Optima
🛒 Buy 5W-30 Full Synthetic Oil (4.86 quarts needed) on Amazon🛒 Buy 5W-20 Full Synthetic Oil (4.86 quarts needed) on AmazonPopular Full Synthetic Brands (5W-30):
As an Amazon Associate we earn from qualifying purchases made through these links.
More factory specs & repair guides for your Optima
🛞 2013 Kia Optima Tire Size & Pressure →🌧️ 2013 Kia Optima Wiper Blade Sizes →💡 2013 Kia Optima Light Bulb Sizes →📖 2013 Kia Optima Factory Service Manual →All fluid capacities (transmission, coolant, brakes)Powered by factory manual data from our partner network AllOEMManuals.com.
Coolant capacity
6.92 quarts (6.54 L) — 50/50 mixture of Ethylene Glycol Antifreeze and water. The engine coolant should be compatible with aluminum engine parts.
Frequently asked questions
What type of oil does a 2013 Kia Optima take?
It depends on the engine: 2.0L uses 5W-30; 2.4L uses 5W-20; Hybrid EX uses 5W-20; Hybrid LX uses 5W-20; LX uses 5W-20; SX uses 5W-30; SXL uses 5W-30.
What is the oil capacity of a 2013 Kia Optima?
Oil capacity depends on the engine: 2.0L holds 4.86 quarts with filter; 2.4L holds 4.86 quarts with filter; Hybrid EX holds 4.86 quarts with filter; Hybrid LX holds 4.86 quarts with filter; LX holds 4.86 quarts with filter; SX holds 4.86 quarts with filter; SXL holds 4.86 quarts with filter.
How often should I change the oil in my 2013 Kia Optima?
Most 2013 Kia Optima 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 — Kia recommends intervals based on driving conditions, not just mileage.
Can I use synthetic oil in my 2013 Kia Optima?
Yes. 5W-30 is widely available as a full synthetic, and synthetic is safe (often recommended) for the 2013 Kia Optima. What matters most is matching the factory viscosity and specification, then changing the oil and filter on schedule.