Kia K5 Gas Tank Size & Fuel Capacity by Year
14.8–15.8gal · 56–60 L
Across 6 model years (2021–2026), the Kia K5 has used tanks from 14.8–15.8 gallons. The 2026 model holds 15.8 gallons.
Pick your model year
How the tank changed over the years
Kia K5 tank size by generation
Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.
Kia K5 tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2026 Kia K5 | 15.8 gallons | 60 L | 585 mi | 5 |
| 2025 Kia K5 | 15.8 gallons | 60 L | 585 mi | 5 |
| 2024 Kia K5 | 15.8 gallons | 60 L | 585 mi | 5 |
| 2023 Kia K5 | 15.8 gallons | 60 L | 585 mi | 5 |
| 2022 Kia K5 | 14.8–15.8 gallons | 56–60 L | 585 mi | 7 |
| 2021 Kia K5 | 14.8 gallons | 56 L | 562 mi | 7 |
Kia K5 fuel system recalls by year
NHTSA lists fuel-system recalls for 4 Kia K5 model years. Each year's page has the details, the risk and the free remedy.
Frequently asked questions
What size gas tank does the Kia K5 have?
The 2026 Kia K5 holds 15.8 gallons. Older years range from 14.8–15.8 gallons; the table has every year.
Has the tank size changed over the years?
Yes. The largest tank changed in 2022.