2015 Honda Civic SI Engine Problems
- Complaints
- 2about this part
- Share
- 25%of 8 total for the year
- Median mileage
- 42,962miles
- Trend
- Not enough dataFewer than 15 complaints, too few for a reliable trend.
NHTSA recorded 2 complaints about the engine of the 2015 Honda Civic SI, 25% of the 8 complaints for this model year. Where a mileage was given, the median is 42,962 miles.
Fewer than 15 complaints name this part, so treat the figures as a rough indication only.
Example complaints
Selected from NHTSA records; personal details are removed. They are consumer reports, not findings.
“Noticing right now just the intermittent stage of this new clutch noise on an uphill/incline also the incredibly common vtc actuator cold start noise on basically all k24 variations, still researching if these two are correlated which I believe so at this moment I write this. I just bought this 15' Civic Si 9 months ago, 06 of 18' with just over 20k. Had the cold start noise probably 5 or 6 months in as it becomes winter and now I'm getting clutch noises plus I feel slight decrease in performance. …”
NHTSA complaint #11187426, filed 2019-03, 26,950 milesRelated service bulletins
- 10099693Jan 25, 2016Engineering request for investigation - american honda (ahm) is investigating certain 2015 civic sis with a customer complaint of an engine oil leak at the chain case cover. To…
- 10099665Jan 19, 2016Dealer message - american honda (ahm) is investigating certain 2015 civic sis with a customer complaint of an engine oil leak at the chain case cover. To fully understand the…
- 10099790Jan 5, 2016"dealer message - american honda (ahm) is investigating certain 2015 civic sis with a customer complaint of an engine oil leak at the chain case cover. To fully understand the…
- 10099336Sep 9, 2015"dealer message - american honda (ahm) is investigating certain 2015 civic sis with a customer complaint of an engine oil leak at the chain case cover. To fully understand the…
- 10108665Aug 5, 2015Dealer message - American Honda (AHM) is investigating certain 2015 Civic Sis with a customer complaint of an engine oil leak at the chain case cover. To fully understand the…
Engine: other model years
Other parts of the 2015 Honda Civic SI
3 complaintsTransmission and drivetrain
3 complaintsAir bags
1 complaintsOther or unknown
1 complaints
← All problems reported for the 2015 Honda Civic SI
About this data. Data from NHTSA (ODI) complaints, recalls, TSBs and investigations, updated Oct 31, 2026. Complaints are unverified consumer reports and may be duplicated or inaccurate.
To check a specific vehicle for open recalls, use its VIN at nhtsa.gov/recalls. Methodology