Used 2021 Kia K5 for SaleNationwide

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CarGurus Analysis:

2021 Kia K5

4.7

  • With 1,519 currently listed for sale and an average price of $18,830.00, 31.0% of 2021 Kia K5s for sale on CarGurus are rated as good or great deals.

  • Favorably reviewed: Owners rated the 2021 Kia K5 4.73 / 5 stars and CarGurus experts gave it a 7.67 / 10.

  • 74.9% of 2021 K5 models on CarGurus are accident free.

Research summarized using AI

CarGurus Analysis: 2021 Kia K5

7.7
of 10
overall
Look and feel8/10
Technology7/10
Performance6/10
Safety8/10
Form & function9/10
Cost effectiveness8/10
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Summary

  • With 1,519 currently listed for sale and an average price of $18,830.00, 31.0% of 2021 Kia K5s for sale on CarGurus are rated as good or great deals.

  • Favorably reviewed: Owners rated the 2021 Kia K5 4.73 / 5 stars and CarGurus experts gave it a 7.67 / 10.

  • 74.9% of 2021 K5 models on CarGurus are accident free.

Why it stands out

The 2021 Kia K5 stands out as an all-new sedan that replaces the Optima with more style and speed. It is presented as one of the most exciting mainstream sedans, and its appeal comes from a combination of stylish design and a driving experience that is described as surprisingly good. The K5’s new name and fresh approach are part of what make it distinctive, especially for buyers who want a sedan that feels more modern and expressive than the norm.

It also has practical appeal because it offers multiple powertrain options, which broadens its reach beyond a single setup. At the same time, the K5 is not without compromises: it drives less sporty than it looks, and all-wheel drive is not available. Even so, its balance of style, performance focus, and overall value helps explain why it is considered a strong choice in the midsize sedan segment.

Other model years to consider

  • 2022 Kia K5

    • Average price: $20,622.00
    • Good/great deal percentage: 31.7%
    • User rating: 4.73 / 5
    • Total listings: 2,446
  • 2024 Kia K5

    • Average price: $25,402.00
    • Good/great deal percentage: 31.6%
    • User rating: 5 / 5
    • Total listings: 2,780
  • 2025 Kia K5

    • Average price: $27,614.00
    • Good/great deal percentage: 31.3%
    • User rating: 5 / 5
    • Total listings: 2,247

This analysis is based on CarGurus' proprietary market data from August 10, 2026, CarGurus experts' opinions, and generative AI.

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