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ProblemsByVin File / 2021-HONDA-INSIGHT NHTSA data synced 2 hours ago
2021 · Honda

Honda Insight problems

Light NHTSA footprint — 24 owner complaints and 1 active recall campaign. Either a clean record or thin data; we'll show what's there.

0 5 10
Reliability score
8.2 / 10

Solid reliability overall. Common issues are concentrated in a few systems.

0
Critical
1
Severe
0
Moderate
Should you avoid this 2021 Insight?
Generally reliable

Buyable on the data — keep up the usual maintenance and inspect normally.

Our read of the federal NHTSA complaint and recall record for this exact year and model — not a substitute for a pre-purchase inspection. How we score.

Buying a used 2021 Honda Insight? Check these first

Here's what this model is known to do — so you can inspect for it, price it in, or make the seller fix it before you sign.

What to inspect on this specific car

⚠ The one to take seriously: airbags is flagged severe on this model , showing up around 78,250 mi. Inspect it closely on a test drive.

Recalls to confirm are done

Run the VIN from the listing — 1 active recall on this model. Recall repairs are always free.

Verdict for buyers: 8.2/10 model. The priciest documented failure is airbags (~$1,100) — get the seller's service records for it or inspect closely. Otherwise an average-risk used buy at a fair price.

We tell you what this model is known for and what to inspect — a vehicle-history report tells you what this exact car has been through. Smart buyers get both.

See the full pre-purchase inspection checklist →
✦ Ask the data · AI

Ask anything about your 2021 Honda Insight

A noise, a warning light, a repair quote, "should I buy this?" — get an answer grounded in this vehicle's actual NHTSA record, not generic advice.

Dash light, leak, worn part — snap it and we'll read it against this car's record.

Answers use this vehicle's NHTSA complaint & recall record — owner-reported and unverified, not a diagnosis. Verify anything safety-critical with a mechanic.

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Top trouble spots 1 category with 3+ complaints

airbags
3 reports · fails ~78,250 mi · avg $1,100
severe
Buyer's checklist
Going to look at one? Use the pre-purchase inspection list.
Generated from this 2021 Insight's actual NHTSA complaint history — every item points at a documented failure pattern on this exact vehicle, not generic walkaround filler.
See the checklist ->
Honest Calculator
Should you buy an extended warranty on this 2021 Insight?
We pulled the math: risk-weighted exposure, typical contract cost, and our verdict on whether coverage pencils out for this specific vehicle.
See the calculator ->

What owners are saying recent NHTSA-filed complaints · verbatim

2021 Insight · lighting
driver side headlight failed. available for inspection upon request. can't drive without headlight on at nighttime or dark days. I haven't gone to dealer yet. not inspected by manufacturer yet. warning and message: headlight system problem. headlight performance may be reduced.…
12/16/2022 · NHTSA ODI #11497733.0
2021 Insight · engine
Under certain circumstances, the portion of the PCU that controls charging of the 12 volt accessory battery malfunctions, sending the PCU into a "fail safe" mode, preventing battery charging and activating warning displays for the driver. This has caused my vehicle to stall…
11/24/2025 · NHTSA ODI #11701339.0
2021 Insight · brakes
The brake servo control unit feel simulator which reduces the simulation force provided to the brake pedal during emergency or failed conditions and is a key component of realizing a Regenerative Braking System. It provides a good pedal feeling to a driver, improves energy…
11/12/2025 · NHTSA ODI #11699002.0
2021 Insight · electrical
While my wife was driving my car on a busy road. The servo brake control unit/ pedal simulator broke making it near impossible to stop the car. She had to crash the car into a parking block. And Honda import/export is uncooperative and dismissive of the fact that my wife and…
10/31/2025 · NHTSA ODI #11696866.0
View all 24 owner complaints →
Had a problem with your 2021 Honda Insight? File a complaint with NHTSA → It's free and official — owner filings are what build the federal safety record behind this page.

Estimate your repair exposure

Drag to your current mileage. Numbers are derived from this vehicle's complaint history.

0 mi 200k mi
At 80,000 miles
Likely repair cost in next 24 months
$0

Active recalls showing 1 of 1

severe NHTSA 20V798000 December 17, 2020

Honda (American Honda Motor Co

A loss of drive power can increase the risk of a crash.

Fix: Honda will notify owners, and dealers will update the power converter unit (PCU) software, free of charge. The recall began February 12, 2021. Owners can contact Honda customer service at 1-888-234-2138. Honda's number for this recall is K9E.

Under investigation 1 open at NHTSA

EA Forward Collision Avoidance › Automatic Emergency Braking · opened January 2025

NHTSA has an open defect investigation covering this vehicle — the step that can precede a recall, not a finding of fault. EA25002 on NHTSA →

How NHTSA investigations work, and what's open now →

Common questions

Is the 2021 Honda Insight reliable?

Mostly yes. With a reliability score of 8.2 out of 10 based on 24 owner complaints filed with NHTSA, the 2021 Honda Insight is generally a sound vehicle. The areas to watch are listed in the top problem section above — most are budget items, not deal-breakers.

Should you avoid the 2021 Honda Insight?

On the NHTSA data, the 2021 Honda Insight does not need avoiding. Buyable on the data — keep up the usual maintenance and inspect normally. The record behind that call: No systemic severe-failure pattern in the complaint record; Reliability score 8.2/10 — above the segment average; 1 recall campaign on file. This is our read of the federal complaint and recall data — not a substitute for a pre-purchase inspection.

What should I check before buying a used 2021 Honda Insight?

Inspect the airbags first — it's the most-reported issue on this model, with 3 owner complaints filed. Typical failure occurs around 78,250 miles. Average repair cost runs about $1,100 at an independent shop. Also confirm any open recalls have been completed by running the VIN, and ask for service records covering the problem areas listed above.

Is the 2021 Honda Insight a good used car to buy?

It scores 8.2 out of 10 on our NHTSA-based read of 24 owner complaints. The main thing to watch is airbags. Typical failure occurs around 78,250 miles. Priced fairly and clean on inspection, it's a reasonable used buy. Our data covers what this model is known for — pair it with a vehicle-history report on the VIN to see what that specific car has been through.

What's the most common problem on the 2021 Honda Insight?

Based on NHTSA records, the most-reported issue is airbags, with 3 complaints filed. Typical failure occurs around 78,250 miles. Average repair cost runs about $1,100 at an independent shop.

What's the most expensive thing that goes wrong?

The airbags is one of the costlier repair items. Average repair cost runs about $1,100 at an independent shop. Typical failure occurs around 78,250 miles. Catching early warning signs can sometimes extend life by 20–30,000 miles.

How do I check if my Honda Insight has open recalls?

Paste your VIN into the decoder at the top of this page. We pull live from NHTSA, so you'll see exactly which campaigns apply to your vehicle and whether the dealer has logged the fix. Recall repairs are always free regardless of mileage or warranty status.

Is an extended warranty worth it on a 2021 Honda Insight?

Math is straightforward: a quality service contract runs $1,800–3,500 over 3 years. With 24 complaints on file and the costliest repair averaging $1,100, one major failure more than pays for it. The catch is reading the contract — many providers exclude wear items and require pre-authorization, so cheaper plans are not always better value.

Related

Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA) public records database, last synced 2 hours ago. Verify the raw federal record at nhtsa.gov/vehicle/2021/Honda/Insight. Editorial commentary written by ProblemsByVin contributors and reviewed by ASE-certified mechanics. We are not affiliated with Honda. Some links on this page are affiliate links and we may earn a commission if you complete a quote or purchase.
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