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Kia DL3 K5
Shown: Kia DL3 K5. Photo: Bull-Doser, Public domain, via Wikimedia Commons
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  • MY2021–2027

Kia K5 MPG & Fuel Cost by Year

7 model years · 2021–2027

30 MPG
Combined
26 MPG
City
37 MPG
Highway
Annual cost · MY2027 w/Stop-Start 2.5L 4-cyl FWD
$2,170

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

All Kia models

Kia K5 fuel economy at a glance

EPA has rated the Kia K5 for 7 model years, 2021 to 2027. Across those years its combined rating runs 27–32 MPG. The latest model year, 2027, has 4 configurations rated 27–30 MPG combined and costing $2,170–$2,440 a year to fuel at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient configuration on record since 2021 is the 2022 K5 1.6L 4-cyl turbo FWD, at 32 MPG. Model year 2027 is still being filled in by EPA, so its row may gain configurations.

Kia K5 MPG by year

26283032 20212027 Gas 26283032 20212027 Gas
Combined MPG: the line is the most efficient configuration, the shaded band reaches down to the least efficient. Dotted lines mark new generations.
Kia K5: combined fuel economy and annual fuel cost for each model year, grouped by generation
Year Gas (MPG) $/yr
2021-2027* (DL3) Generation page
2027 (partial) 27–30 $2,170–$2,440
2026 27–30 $2,190–$2,440
2025 27–30 $2,190–$2,440
2024 27–31 $2,140–$2,430
2023 27–31 $2,140–$2,430
2022 27–32 $2,040–$2,430
2021 27–32 $2,040–$2,430

Costs use the current EIA price set and 15,000 miles a year for every year, so years are comparable. Green marks the best year for each powertrain.

Kia K5 generations

1 generations between 2021 and 2027. Open one for the table of every model year and configuration.

2027 powertrain options

Gas · 2.5L
Combined
27–30 MPG
Per year
$2,170–$2,440
See gas configurations
EPA ratings: fueleconomy.gov file of Sep 29, 2026 · regular gasoline $4.36/gal (U.S. average, Sep 2026) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Frequently asked questions

What is the Kia K5's gas mileage by year?

EPA combined ratings for the Kia K5 run 27–32 MPG across model years 2021 to 2027. The latest year, 2027, is rated 27–30 MPG.

Which Kia K5 model year has the best gas mileage?

The 2022 Kia K5 K5 1.6L 4-cyl turbo FWD has the highest combined rating since 2021, at 32 MPG.

How much does a Kia K5 cost to fuel per year?

For MY2027, EPA-rated configurations cost $2,170–$2,440 a year to fuel, driving 15,000 miles at regular gasoline $4.36/gal (U.S. average, Sep 2026). The most efficient one costs $2,170.

Has the Kia K5's fuel economy improved over time?

No. The most efficient configuration moved from 32 MPG in 2021 to 30 MPG in 2027, 2 MPG less.

Which Kia K5 model years have the same ratings?

EPA lists identical ratings as the previous year for 2024. The generation pages mark those years "same EPA ratings" and point to the year that holds the full table.