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:
- Mobil 1 Advanced Fuel Economy full-synthetic motor oil 0W-20 is low-viscosity to help improve fuel economy.*
- Utilizes Mobil 1’s signature Triple Action Formula to deliver outstanding engine performance, protection, and cleanliness
- Helps protect critical engine parts for up to 10,000 miles between oil changesm,** controlling oxidation to prevent oil breakdown and maintaining excellent viscosity
- Meets ILSAC GF-6 standards to help provide low-speed pre-ignition (LSPI) and timing chain wear protection while keeping your engine clean
- 3X Stronger than the leading full synthetic*
- 10X Better high stress performance**
- 20,000 miles between oil changes***
- Viscosity breakdown as measured in Kurt Orbahn test on 5W-30 grade
- Ultimate protection against wear, friction, heat and deposits, the main reasons for engine breakdown
- Full synthetic 0W-20 formula offers 24X stronger protection against water intrusion than the industry-leading synthetic motor oil — it fights rust, corrosion, and other threats to help maximize vehicle life
- Dual Defense Additive Technology helps keep your engine clean and running at peak performance for optimal fuel economy and performance
- 10X stronger against oil breakdown and 50% greater wear protection than industry standards
- Full synthetic 0W-20 motor oil that is made with natural gas and designed to maximize engine protection
- Backed by a 15,000-mile protection guarantee* to protect your pursuit of every mile
- Provides better fuel economy (based on the latest industry standards)
- Keeps pistons cleaner than the toughest industry standard (based on Sequence IIIH results)
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:
- 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
- This is an aftermarket replacement part, not original Honda/OEM manufacturer product
- 【Wide Compatibility】Compatible with a range of Honda models including Accord, Accord Hybrid, CR-V, CR-Z, Civic, Odyssey, Pilot, and more from 1983 to 2022
- 【Replace Part Numbers】15400-PLM-A02，15400-RTA-003, 15400-PR3-003, 15400-PH1-014, 15400-PR3-405, 15400-PME-T01, 15400-RTA-004, 15400-PR3-004, 15400-PT7-006, 15400-PH1-F03, 15400-PT7-005, 15400-PLC-004, 15400-RAF-T01, 15400-PLC-003, 15400-R5G-H01, 15400-RK9-F01, 15400-RBA-F01, 15400-PR3-406, 15400-P0H-305, 15400-PH1-F02
- 【High-Efficiency Filtration】Advanced filtration technology effectively removes contaminants, protecting your engine from wear and ensuring optimal performance
- Exclusive FILTECH media technology screens out and holds on to up to 14 grams of dirt and particles, preventing it from circulating throughout your engine and causing damaging wear that can lead to engine failure
- OE fit ensured through strong steel base plates and housings that prevent warpage, leaks and poor fit
- Silicone anti-drain back valve ensures engine receives a supply of clean oil when the vehicle is started
- High lubricity gasket design provides a tight, leak proof seal, yet allows for easy removal when it’s time for an oil change; Metal spiral-wound center tube reinforces internal strength for durability
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.
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Last update on 2025-09-09 / Affiliate links / Images from Amazon Product Advertising API
