Kia K5 MPG by year (2021-2026)
The agency's file has 6 model years of the Kia K5 from 2021 to 2026. The newest, the 2026 Kia K5, gets 27 to 30 mpg combined across 4 tested versions.
Best of 2026
30 mpgK5 w/Stop-Start, combinedBest in the file
32 mpgK5 (4-cyl 1.6 L, Automatic (S8)) #1; reached in 2021, 2022Best non-hybrid, 2026
30 mpgK5 w/Stop-Start, combinedBest combined mileage by model year
Each dot is the best version of that model year. The table below holds every figure.
Years when the mileage changed
- All-wheel-drive versions are in the file from the first year, 2021; the best is the K5 AWD at 29 mpg combined.
Your fuel cost, 2026 K5
Pick a 2026 version, then set your miles and fuel price. Fuel price as of 2026-11-14, U.S. Department of Energy / EPA. The price box starts at the dated price of the fuel the picked version burns and sets the price of that fuel.
2026 K5 w/Stop-Start, 4-cyl 2.5 L: 26 mpg city, 37 highway, 30 combined. The agency's own estimate for the 2026 K5 version is $2,100 a year (15,000 miles, the agency's fuel prices).
Every model year
Open a year for the calculator, every version, rivals, safety record and recalls. Years in the table are the ones the agency tested; pages exist for 3 of them.
| Model year | Versions | Best gas | Fuel a year (agency) | Best figure against the year before |
|---|---|---|---|---|
| 2021 | 4 | 32 mpg | $1,950 to $2,300 | no earlier year in the file |
| 2022 | 4 | 32 mpg | $1,950 to $2,300 | no change |
| 2023 | 3 | 31 mpg | $2,000 to $2,300 | -1 mpg |
| 2024 | 3 | 31 mpg | $2,000 to $2,300 | no change |
| 2025 | 4 | 30 mpg | $2,100 to $2,300 | -1 mpg |
| 2026 | 4 | 30 mpg | $2,100 to $2,300 | no change |
The best combined figure changed against the year before in 2 of 6 model years: 2023: -1 mpg, 2025: -1 mpg.
Where the newest year stands
The 2026 K5 is in the Large Cars class. By best combined figure it ranks 5th of 16 2026 models in that class; the middle figure for the class is 23 mpg and the top figure is 51 mpg. Best Large Cars mileage, 2026 models.
Other Kia models
Every other Kia model on this site, nearest to the K5 in newest-year mileage first.
| Model | Newest year | Combined | Against the K5 |
|---|---|---|---|
| Seltos | 2026 | 25 to 29 mpg | 1 lower |
| Soul | 2025 | 30 to 31 mpg | 1 higher |
| Carnival | 2026 | 21 to 32 mpg | 2 higher |
| K4 | 2026 | 28 to 33 mpg | 3 higher |
| Forte | 2024 | 26 to 34 mpg | 4 higher |
| Sorento | 2026 | 23 to 37 mpg | 7 higher |
| Telluride | 2025 | 20 to 22 mpg | 8 lower |
| Sportage | 2026 | 24 to 42 mpg | 12 higher |
| Niro | 2026 | 48 to 53 mpg | 23 higher |
| EV9 | 2026 | 78 to 89 MPGe | not the same measure |
| EV6 | 2026 | 83 to 115 MPGe | not the same measure |
Common questions
Which Kia K5 model year has the best mileage?
Since 2021, the best conventional figure is 32 mpg combined, for the 2022 K5 (4-cyl 1.6 L, Automatic (S8)) #1.
How many versions of the Kia K5 has the agency tested?
22 versions across 6 model years (2021 to 2026).
Has the mileage of the Kia K5 gone up over the years?
The best combined figure was 32 mpg in 2021 and is 30 mpg in 2026, a change of -2 mpg.
Mileage and fuel cost: U.S. Environmental Protection Agency, fueleconomy.gov vehicle file (file dated 2026-11-04). Your own mileage depends on how and where you drive. Where our numbers come from.