Engine oil is a vital component that significantly affects your vehicle’s performance and longevity. Driving with insufficient or deteriorated oil can lead to engine failure or damage. Using an energy-conserving oil that meets the American Petroleum Institute’s latest requirements is crucial for maintaining your engine’s health.
The 2021 Honda Civic is a popular compact car known for its fuel efficiency, performance, and reliability. Choosing the right engine oil and performing regular maintenance is essential for keeping your Civic in top condition.
In this article, we will discuss the recommended oil type, oil capacity, and the best oil and oil filter brands for the 2021 Honda Civic, as well as the importance of selecting an oil with suitable viscosity for the ambient temperature.
Recommended Oil Type for 2021 Honda Civic
According to the owner’s manual, the 2021 Honda Civic requires:
- Honda Genuine Motor Oil 0W-20
- API Premium-grade 0W-20 detergent oil

These oil types are recommended for both the 1.5L turbo and the 2.0L engine models.
Best Motor Oil for 2021 Honda Civic
Several reputable motor oil brands are compatible with the 2021 Honda Civic. Here are a few top options:
Best Engine Oil Filter for 2021 Honda Civic
Choosing a high-quality oil filter is crucial for maintaining your Civic’s engine health. Some of the best oil filters for the 2021 Honda Civic include:
- OEM quality
- genuine oem factory part
- exact fit
- durable
- best in quality
- SYNTHETIC REPLACEMENT ENGINE OIL FILTER: Perfect for consumers looking to get the most from their investment in full synthetic oil, this oil filter helps get top performance from newer engines and provide maximum protection for older ones
- ULTIMATE DUAL-LAYER SYNTHETIC MEDIA: Designed for all motor oil types, this automotive oil filter features ultimate dual-layer synthetic media which provides up to 20,000 miles of engine protection
- NON-DRAIN BACK VALVE: Engineered with a silicone non-drain back valve that delivers superior start-up engine protection with up to 3X the hot oil resistance
- NON-DRAIN BACK VALVE: Engineered with a silicone non-drain back valve that delivers superior start-up engine protection with up to 3X the hot oil resistance
Oil Capacity of a 2021 Honda Civic
The oil capacity for the 2021 Honda Civic varies depending on the engine model:
- 1.5L engine models (including 1.5 Turbo): Oil change with filter requires 3.7 US qt (3.5 L)
- 2.0L engine models: Oil change with filter requires 4.4 US qt (4.2 L)
The 2021 Honda Civic requires 0W-20 engine oil for optimal performance and fuel efficiency. The oil capacity depends on the engine model, with the 1.5L (including 1.5 Turbo) needing 3.7 US qt (3.5 L) and the 2.0L requiring 4.4 US qt (4.2 L). When selecting the best motor oil and oil filter for your Civic, consider reputable brands like Honda Genuine, Mobil 1, Castrol, Valvoline, Pennzoil, Bosch, FRAM, and K&N.
Last update on 2025-08-18 / Affiliate links / Images from Amazon Product Advertising API