Kia Niro Gas Tank Size & Fuel Capacity by Year
11.1–11.9gal · 42–45 L
Across 10 model years (2017–2026), the Kia Niro has used tanks from 11.1–11.9 gallons. The 2026 model holds 11.1 gallons.
Pick your model year
How the tank changed over the years
Kia Niro tank size by generation
Model years with the same tank sizes, grouped. A change usually marks a new generation or a redesign.
Kia Niro tank size by year
| Year | Tank | Liters | Best highway range | Trims |
|---|---|---|---|---|
| 2026 Kia Niro | 11.1 gallons | 42 L | 599 mi | 4 |
| 2025 Kia Niro | 11.1 gallons | 42 L | 599 mi | 5 |
| 2024 Kia Niro | 11.1 gallons | 42 L | 599 mi | 5 |
| 2023 Kia Niro | 11.1 gallons | 42 L | 599 mi | 5 |
| 2022 Kia Niro | 11.9 gallons | 45 L | 571 mi | 5 |
| 2021 Kia Niro | 11.9 gallons | 45 L | 571 mi | 5 |
| 2020 Kia Niro | 11.9 gallons | 45 L | 583 mi | 5 |
| 2019 Kia Niro | 11.9 gallons | 45 L | 583 mi | 5 |
| 2018 Kia Niro | 11.9 gallons | 45 L | 583 mi | 4 |
| 2017 Kia Niro | 11.9 gallons | 45 L | 583 mi | 4 |
Frequently asked questions
What size gas tank does the Kia Niro have?
The 2026 Kia Niro holds 11.1 gallons. Older years range from 11.1–11.9 gallons; the table has every year.
Has the tank size changed over the years?
Yes. The largest tank changed in 2023.