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#BS-2018-HONCIV-6A2B

2018 Honda Civic SiProblems, Recalls & Reliability

Based on reports from 0 owners and 0 recalls for this exact model.

Data updated ·checked October 21, 2026 · NHTSA complaints through October 19, 2026

Complaints
0
Crashes
0
Fires
0
Recalls
0
TSBs
2
🔎

Preliminary Verdict

Limited Data

Based on 0 complaints, 0 crashes, 0 fires, and 0 recalls.

See full verdict with buy/skip conditions

Preview: What's in your full report

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30,000-Mile Cost Projection

Best Case

$X,XXX

Most Likely

$X,XXX

Worst Case

$X,XXX
Includes fuel costs, common repairs, and recall riskUnlock

Also in your report

Owner Intelligence

AI-synthesized themes from real complaints

Buyer Lot Checklist

Questions, test drive checks, walk-away triggers

Negotiation Talking Points

Data-backed dollar deductions

Buy / Skip Verdict

Final recommendation with conditions

10 sections total in the full reportUnlock all

Don't negotiate blind — know what this car costs to own

Repair costs • Negotiation scripts • Mechanic checklist • Buy/skip verdict

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2018 Honda Civic Si NHTSA Safety Ratings

Overall

★★★★★

5 of 5 stars

Frontal crash

★★★★★

4 of 5 stars

Side crash

★★★★★

5 of 5 stars

Rollover

★★★★★

5 of 5 stars

From NHTSA's New Car Assessment Program (5-Star Safety Ratings). Where NHTSA tested more than one version of this vehicle, the lowest rating is shown.

About this data

NHTSA Complaints

Federal database of owner-filed safety complaints. 0 records for this vehicle.

NHTSA Recalls

Manufacturer-issued safety recalls. 0 recalls found for this vehicle.

Repair Cost Data

Real-world repair costs from owner reports and independent databases.

Last updated (checked October 21, 2026). NHTSA complaints received through October 19, 2026; safety ratings from NHTSA's 5-Star program.

Other Honda Civic Si Model Years

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2018 Honda Civic Si: Frequently Asked Questions

What is the most common problem with the 2018 Honda Civic Si?
Based on NHTSA data, the 2018 Honda Civic Si has 0 total complaints on file.
Is the 2018 Honda Civic Si reliable?
The 2018 Honda Civic Si has 0 complaints, 0 crash reports, and 0 fire reports filed with NHTSA. The full report analyzes whether these numbers indicate real risk or are proportional to the vehicle’s popularity.
How safe is the 2018 Honda Civic Si?
NHTSA rates the 2018 Honda Civic Si 5 out of 5 stars overall, with 4 stars in frontal crash tests, 5 stars in side crash tests, 5 stars for rollover resistance. Where NHTSA tested more than one version, the lowest rating is shown.
How much does it cost to fix 2018 Honda Civic Si problems?
Repair costs vary by issue. The full BumperScan report includes detailed repair cost estimates (low/median/high) for every major issue, plus a 30,000-mile total cost of ownership projection.
Does the 2018 Honda Civic Si have any recalls?
No recalls have been issued for the 2018 Honda Civic Si according to NHTSA records.
What mileage do Honda Civic Si problems start?
Mileage data is limited for this vehicle. The full report analyzes available data to identify failure patterns by mileage range.
When was the 2018 Honda Civic Si data last updated?
BumperScan last checked this vehicle against NHTSA on October 21, 2026, covering owner complaints received through October 19, 2026 plus the latest recalls, investigations and technical service bulletins. Its numbers last changed on October 4, 2026.
What’s in the full report?
10 sections of AI analysis: severity-ranked issues, component scores (0-100), 30K-mile cost projection, failure timeline by mileage, recall details with seller scripts, owner sentiment analysis, mechanic checklist, buyer lot checklist, negotiation ammo with dollar figures, and a buy/skip verdict.
How is this different from free NHTSA data?
NHTSA gives you raw complaint text. BumperScan cross-references 2.1M+ complaints with community repair cost data, EPA fuel data, and recall records — then uses AI to synthesize it into actionable advice with dollar figures.
How is this different from Carfax?
Carfax is VIN-specific history ($45/report). BumperScan is model-level reliability intelligence — what problems this car is known for, what they cost, and whether you should buy it. Complementary, not competing.
What if the report isn’t useful?
100% money-back guarantee. If the report doesn’t help you make a more informed decision, we’ll refund you — no questions asked.
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10 sections of AI analysis based on 0 owner reports. Know before you buy.

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