Source: EPA FuelEconomy.gov & manufacturer data. Figures reflect base trim; actual specs vary by trim level.
About the 2018 Honda Civic Si
The 2018 Honda Civic Si is a sports that earns a Carivo score of 8.0/10 — rated Recommended. Its strongest dimension is Reliability at 8.9/10, while Technology at 7.2/10 is where it trails the competition most noticeably. It's a solid all-rounder that delivers across most dimensions without obvious deal-breakers.
Reliability and safety are the two dimensions that matter most for long-term ownership costs. Reliability stands out at 8.9/10. The Civic Si nameplate has earned that score through its track record and a comparatively clean recall sheet. Safety lands at 8.0/10 — solid, though some rivals offer more advanced driver-assist features as standard. Confirm official results for your trim at nhtsa.gov/ratings.
With 7.7/10 for performance, this is a car tuned for daily driving rather than excitement — perfectly capable on the commute, unremarkable on a back road. At 7.2/10 for technology, the infotainment and driver-assist package does its job without setting benchmarks — check which features cost extra on lower trims.
Priced from $25,215–$32,144, 24 MPG, seating 5, the Honda Civic Si sits in the mid-market bracket of the sports segment. At 7.7/10 for value, it delivers fair pricing for what's on offer, though the best alternatives in this price range score slightly higher. At 8 years old, resale value, parts availability, and whether a successor model has improved on its weak points are all worth investigating before committing.
Verdict: Nothing about the 2018 Honda Civic Si will scare a sensible buyer off. It scores consistently across the board, and it does what a good sports should — quietly and competently.
Carivo scores are our own editorial assessment, informed by NHTSA safety and recall records, EPA fuel-economy figures, and manufacturer-published specifications. Scores are reviewed periodically and updated when new data becomes available. See our full methodology →
How It Ranks Among Sportss
The 2018 Honda Civic Si ranks #68 of 316 sportss in the Carivo database — better than 79% of the segment. Its 8.0/10 overall score is 0.3 points above the segment average of 7.7/10. Its $25,215 starting price undercuts the segment's median of $46,090 by about 45%.
Varies widely by driver and state — always quote the exact trim before buying
We only print costs we can compute from sourced data (EPA fuel economy, NHTSA recalls). We don't estimate maintenance or depreciation — anyone who gives you one number for those is guessing.
Which Civic Si Year Should You Buy?
Across the Civic Si model years we've scored, the 2018 holds its position — we didn't find an older year that delivers similar scores for meaningfully less money.
Proven long-term reliability — lower unplanned repair costs than class average
Strong safety ratings from NHTSA and independent testers
Good overall value; holds its own against pricier alternatives in the segment
Competent performance that satisfies most everyday driving demands
✗ Where it falls short
Tech suite is functional but lags behind segment-best options; some features cost extra
Brand resale values vary — check current market data before committing
Common Questions — 2018 Honda Civic Si
Is the 2018 Honda Civic Si reliable?
We rate the 2018 Honda Civic Si's reliability 8.9/10 — one of the stronger records in its class.
Is the 2018 Honda Civic Si worth buying?
It scores 8.0/10 overall, ranking #68 of 316 sportss in our database (better than 79% of the segment). A solid choice for most buyers — compare it against the segment leaders before deciding.
How much does the 2018 Honda Civic Si cost?
The 2018 Honda Civic Si starts at $25,215 and ranges up to $32,144 across trims (MSRP when new). At 24 MPG, expect roughly $2,188/year in fuel at 15,000 miles/year.
Which Civic Si years should you avoid?
No standout weak years: across the 9 Civic Si model years we've scored, every year lands within half a point of the best (8.4/10). Pick on price and condition rather than year.
Owner Essentials — Honda Civic Si
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Similar Sports to Consider
Other sportss at a similar price point, ranked by Carivo score.
Representative photo — may show another model year
