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
- Extended Protection Full Synthetic motor oil provides superior protection from deposits, wear, heat and friction – the four major causes of engine breakdown
- Dual Defense Additive Technology combines an advanced wear-resistant boosters with a fortified detergent system for cleaner, longer-lasting performance
- Delivers 60% stronger wear protection than industry standards to help reduce friction for better performance and longer engine life
- Offers 40% better deposit defense vs. industry standards to keep engines cleaner and improve fuel economy
- 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:
- [Vehicle Fitment-1]: Compatible with Honda Accord, Civic, Clarity, Crosstour, CR-V, CR-Z, Element, Fit, HR-V, Insight, Odyssey, Pilot, Ridgeline, S2000; Compatible with Nissan Altima, Armada, TITAN, Murano, Pathfinder, Frontier, GT-R, NV1500, NV2500, NV3500Maxima, Pathfinder, Pathfinder Armada, Quest, Sentra, TITAN XD, Xterra; Compatible with Subaru Ascent, Crosstrek, Forester, Impreza, Legacy, Outback, WRX, XV Crosstrek
- [Vehicle Fitment-2]: Compatible with Acura CSX, EL, ILX, Integra, MDX, MDX, RDX, RL, RLX, RSX, TL, TLX, TSX, ZDX; Compatible with Hyundai Accent, Tiburon; Compatible with Mercury Villager; Compatible with Mitsubishi Diamante, Eclipse, Eclipse Cross, Outlander, Endeavor, Expo, Expo LRV, Galant, Lancer, Mighty Max, Mirage, Mirage G4, Montero Sport, Outlander, Outlander PHEV/Sport, RVR; Compatible with Plymouth Colt, Laser; Compatible with Alfa Romeo 4C
- [Vehicle Fitment-3]: Compatible with Saturn Vue; Compatible with Suzuki Equator; Compatible with Infiniti FX45, FX50, I30, I35, M45, M56, Q45, Q70, Q70L, QX4, QX56, QX70, QX80; Compatible with Mazda 626, 929, MX-3, B2200, B2600, Millenia, MPV, MX-6; Compatible with Eagle Summit, Talon; Compatible with Ford Probe; Compatible with Chrysler Sebring; Compatible with Dodge Colt, Ram 50, Stratus — Engine protection for up to 10,000 miles, with 99% filtration efficiency
- [Reference Number]: PH7317, 1230A152, 15208AA15A, 15208AA160, 1529831U1B, 2630035056, 30A4000100, 35822626K04, 35822626Q4, 358M0065104, 5JW1344000, 5JW134400000, 60621830, 68237532AA, 924153, PH9357, Q04, 51356, 51357, L14610
- ADVANCED ENGINE PERFORMANCE: Keep your engine clean for up to 15,000 miles thanks to high-density synthetic blend filter media; Expanded dirt-holding capacity captures over 99% of dirt; PurolatorONE gets the job done
- SYNTHETIC MEDIA: Made from high-density synthetic blend, these oil filters have long-lasting filtration capabilities, increasing time between oil changes and performance
- LEAK-PROOF SEAL: Thanks to the PTFE-Treated Gasket, you can rest easy knowing your engine is safe from leakage; It’s heat resistant and flexible, and it’s also easy to install and replace
- PROPER LUBRICATION: No dry starts—even after your vehicle has been sitting idle—thanks to the Silicone Anti-Drainback Valve; It keeps consistent oil flow and saves your engine from wear and tear during start-up, extending its lifespan
- 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 2026-05-14 / Affiliate links / Images from Amazon Product Advertising API
