Source: EPA FuelEconomy.gov & manufacturer data. Figures reflect base trim; actual specs vary by trim level.
About the 2021 Kia K5 S
The 2021 Kia K5 S is a sedan that earns a Carivo score of 8.0/10 — rated Recommended. Its strongest dimension is Safety at 8.5/10, while Performance at 6.9/10 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. The reliability picture is solid rather than spectacular: 7.5/10, which puts it comfortably above the class median. 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.
Performance at 6.9/10 is a genuine liability and a score that should factor heavily into any buying decision. The powertrain and chassis dynamics trail class rivals by a meaningful margin — don't overlook it. On technology it rates 8.4/10: a modern, well-integrated suite that compares favorably with anything at this price point.
Priced from $28,871–$36,528, 29 MPG, seating 5, the Kia K5 S sits in the mid-market bracket of the sedan segment. Its value score of 8.5/10 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 Kia K5 S will scare a sensible buyer off. Keep an eye on performance if those matter to you; otherwise it does what a good sedan 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 Sedans
The 2021 Kia K5 S ranks #201 of 1310 sedans in the Carivo database — better than 85% of the segment. Its 8.0/10 overall score is 0.5 points above the segment average of 7.5/10. Its $28,871 starting price sits close to the segment's median of $27,664.
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 K5 S Year Should You Buy?
Across the K5 S model years we've scored, the 2021 holds its position — we didn't find an older year that delivers similar scores for meaningfully less money.
Above-average reliability record with solid owner satisfaction data
Top-tier safety scores across crash tests and driver-assistance tech
Exceptional value for money — high-quality features at a competitive price point
Modern, intuitive tech suite with wireless connectivity and up-to-date ADAS
✗ Where it falls short
Driving dynamics are adequate but uninspiring; not the choice for enthusiast drivers
Brand resale values vary — check current market data before committing
Common Questions — 2021 Kia K5 S
Is the 2021 Kia K5 S reliable?
We rate the 2021 Kia K5 S's reliability 7.5/10 — above the middle of the pack for this class.
Is the 2021 Kia K5 S worth buying?
It scores 8.0/10 overall, ranking #201 of 1310 sedans in our database (better than 85% of the segment). A solid choice for most buyers — compare it against the segment leaders before deciding.
How much does the 2021 Kia K5 S cost?
The 2021 Kia K5 S starts at $28,871 and ranges up to $36,528 across trims (MSRP when new). At 29 MPG, expect roughly $1,810/year in fuel at 15,000 miles/year.
Which K5 S years should you avoid?
No standout weak years: across the 5 K5 S model years we've scored, every year lands within half a point of the best (8.3/10). Pick on price and condition rather than year.
Owner Essentials — Kia K5 S
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More Kia Reviews
Explore the full lineup of Kia models scored by Carivo — ranked by overall score across reliability, safety, value, performance, and technology.
Representative photo — may show another model year