The 2021 Honda Insight has 24 NHTSA owner complaints and 3 recalls on file (U.S. federal records, as of August 2026). The most-reported system is airbags at 3 complaints, typically surfacing around 78,250 miles (~$1,100 to repair). Source: NHTSA Office of Defects Investigation.
Solid reliability overall. Common issues are concentrated in a few systems.
0
Critical
3
Severe
0
Moderate
Should you avoid this 2021 Insight?
Acceptable — with caveats
Worth owning if you verify the specific issues below before you buy.
Reliability score 7.8/10 — above the segment average
3 recall campaigns on file
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.
NHTSA crash-test safety ratings
5 / 5 overall
Overall★★★★★5/5
Frontal crash★★★★★5/5
Side crash★★★★★5/5
Rollover★★★★★5/5
Driver-assist features on the tested model:
Electronic stability control: Standard · Forward collision warning: Standard · Lane departure warning: Standard
Source: NHTSA New Car Assessment Program — tested configuration: 2021 Honda INSIGHT 4 DR FWD. Stars rate crash protection in NHTSA's tests, not overall reliability — see the owner-complaint data below for what actually goes wrong.
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
airbags — 3 owner reports
· tends to show around 78,250 mi · ~$1,100 to fix
⚠ 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 — 3 active recalls on this model. Recall repairs are always free.
Verdict for buyers: 7.8/10 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.
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.
Photo attached — type a question or just hit Ask.
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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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.…
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…
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…
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…
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.
Air bags that deploy unintentionally during a crash increase the risk of injury.
Fix: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed July 7, 2026. Owners may contact Honda's customer service at 1-888-234-2138. Honda's numbers for this recall are BOL, WO9, OOA, WOM, XOH, NOC, POD, BOE, UOF, POB, EOG, AOI, QO8, TOJ, DO7, and SOK. This recall expands previous NHTSA recall number 24V064. Vehicle Identification Numbers (VINs) involved in this recall will be searchable on NHTSA.gov beginning May 29, 2026.
An air bag that deploys unintentionally during a crash can increase the risk of injury.
Fix: Dealers will replace the seat weight sensors, free of charge. Owner notification letters were mailed March 28, 2024. This is a phased recall. Owners may contact Honda customer service at 1-888-234-2138. Honda's numbers for these recalls are XHP and VHQ.
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
EAForward 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 →
Mostly yes. With a reliability score of 7.8 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?
The 2021 Honda Insight is acceptable, with specific caveats. Worth owning if you verify the specific issues below before you buy. The record behind that call: Reliability score 7.8/10 — above the segment average; 3 recall campaigns 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 7.8 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.
Recall and complaint data sourced from the National Highway Traffic Safety Administration (NHTSA)
public records database, last synced 5 days 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.
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