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DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Honda InsightOil Type & Capacity
OEM spec from the factory service manual for the EX variant.
Quick Answer
Oil Type
$Genuine HONDA Motor Oil 0W-20 or API Premium-grade - SAE 0W-20 Detergent Oil
Capacity (w/ Filter)
3.50 QTS.
3.31 L
Variant
EX
Note: You may use a synthetic motor oil if it displays the API Certification Seal, and it is the proper weight.
This vehicle's factory manual
2021 Honda Insight: confirm the engine, trim, or drivetrain to open the available repair and diagnosis sections.
Sister site: See this spec on WhatTypeOfOil.com — our quick oil type & capacity lookup for every vehicle.
What You'll Need
Related for Your 2021 Honda Insight
Frequently Asked Questions
- What type of oil does a 2021 Honda Insight take?
- The 2021 Honda Insight requires Genuine HONDA Motor Oil 0W-20 or API Premium-grade - SAE 0W-20 Detergent Oil. The exact spec may vary slightly by engine variant — this page shows the OEM recommendation for the EX configuration.
- How much oil does a 2021 Honda Insight need?
- The 2021 Honda Insight takes 3.50 QTS. (3.31 L) of engine oil with the filter replaced.
- Can I use synthetic oil in my 2021 Honda Insight?
- Yes — synthetic oil that meets the Genuine HONDA Motor Oil 0W-20 or API Premium-grade - SAE 0W-20 Detergent Oil specification is acceptable and often preferred for better protection and longer change intervals.
- What happens if I use the wrong oil in my 2021 Honda Insight?
- Using oil that does not meet the Genuine HONDA Motor Oil 0W-20 or API Premium-grade - SAE 0W-20 Detergent Oil specification can reduce engine protection, increase wear, and potentially void warranty coverage. Always use oil that meets the OEM spec.