2021 Honda Civic Si — Carivo review carivo.co
Sports

2021 Honda Civic Si

Independent review & score by Carivo

Price Range $27,982–$35,983
Fuel Economy 27 MPG
Seating 5 passengers
Category Sports
Est. Annual Fuel $1,944/yr

Key Specifications — 2021 Honda Civic Si

Seating Capacity5 passengers
Body StyleSports
Base Price$27,982–$35,983

Source: EPA FuelEconomy.gov & manufacturer data. Figures reflect base trim; actual specs vary by trim level.

About the 2021 Honda Civic Si

The 2021 Honda Civic Si is a sports that earns a Carivo score of 8.2/10 — rated Recommended. Its strongest dimension is Reliability at 8.8/10, while Technology at 7.4/10 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 8.8/10. The Civic Si nameplate has earned that score through its track record and a comparatively clean recall sheet. On safety, it scores 8.5/10 in our assessment. Always confirm the official crash-test results for your exact trim at nhtsa.gov/ratings.

With 7.9/10 for performance, this is a car tuned for daily driving rather than excitement — perfectly capable on the commute, unremarkable on a back road. At 7.4/10 for technology, the infotainment and driver-assist package does its job without setting benchmarks — check which features cost extra on lower trims.

Priced from $27,982–$35,983, 27 MPG, seating 5, the Honda Civic Si sits in the mid-market bracket of the sports segment. Its value score of 8.2/10 confirms that the price reflects the quality — you're getting a lot for your money here. At 5 years old, it's worth checking whether a newer generation or refresh has addressed any weaker dimensions — compare it to the current model year before buying.

Verdict: Nothing about the 2021 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 2021 Honda Civic Si ranks #20 of 316 sportss in the Carivo database — better than 94% of the segment. Its 8.2/10 overall score is 0.5 points above the segment average of 7.7/10. Its $27,982 starting price undercuts the segment's median of $46,090 by about 39%.

Rankings are recalculated as new vehicles and scores are added. See the full Sports ranking →

Which Civic Si Year Should You Buy?

Smart-money pick: the 2018 Honda Civic Si scores 8.0/10 — within striking distance of the 2021's 8.2 — and starts roughly $3,000 lower. If you don't need the newest model year, that's money better spent on a higher trim or kept in your pocket.

YearScoreStarting price (MSRP when new)
2025 8.4/10$31,672 Read review →
2024 8.3/10$30,750 Read review →
2023 8.4/10$29,827 Read review →
2022 8.3/10$28,905 Read review →
2021 (this review) 8.2/10$27,982
2020 8.2/10$27,060 Read review →
2019 8.1/10$26,137 Read review →
2018 8.0/10$25,215 Read review →
2017 8.0/10$24,292 Read review →

Pros & Cons — 2021 Honda Civic Si

✓ What it does well

  • Proven long-term reliability — lower unplanned repair costs than class average
  • Top-tier safety scores across crash tests and driver-assistance tech
  • 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 — 2021 Honda Civic Si

Is the 2021 Honda Civic Si reliable?

We rate the 2021 Honda Civic Si's reliability 8.8/10 — one of the stronger records in its class.

Is the 2021 Honda Civic Si worth buying?

It scores 8.2/10 overall, ranking #20 of 316 sportss in our database (better than 94% of the segment). A solid choice for most buyers — compare it against the segment leaders before deciding.

How much does the 2021 Honda Civic Si cost?

The 2021 Honda Civic Si starts at $27,982 and ranges up to $35,983 across trims (MSRP when new). At 27 MPG, expect roughly $1,944/year in fuel at 15,000 miles/year.

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