Kia K5 MPG by Year & Engine (EPA)
EPA fuel-economy ratings for every rated Kia K5 model year from 2021 to 2026 — each engine and transmission with its official city, highway and combined figures. Over these years the K5 has been offered with 2.5L 4-cyl, 1.6L 4-cyl engines; the most efficient version is the 2022 (up to 32 MPG combined). All rated gas versions run on regular gasoline. Data: U.S. Department of Energy & EPA, fueleconomy.gov; prices are live medians from VehiSales listings.
Kia K5 fuel economy by year
| Year | Combined | Engines | Median used price | For sale |
|---|---|---|---|---|
| 2026 | 27–30 MPG | 2.5L 4-cyl | $31,123 | 5,156 listings |
| 2025 | 27–30 MPG | 2.5L 4-cyl | $25,485 | 1,443 listings |
| 2024 | 27–31 MPG | 1.6L 4-cyl, 2.5L 4-cyl | $25,399 | 678 listings |
| 2023 | 27–31 MPG | 1.6L 4-cyl, 2.5L 4-cyl | $22,500 | 1,163 listings |
| 2022 | 27–32 MPG | 1.6L 4-cyl, 2.5L 4-cyl | $20,626 | 776 listings |
| 2021 | 27–32 MPG | 1.6L 4-cyl, 2.5L 4-cyl | $19,477 | 837 listings |
2026 Kia K5: engines & MPG
The 2026 K5 was EPA-rated in 4 versions (2.5L 4-cyl), with combined economy from 27 to 30 MPG. Used 2026 models currently list for a median of $31,123 on VehiSales (5,156 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K5 w/Stop-Start | 2.5L 4-cyl | Automatic (S8) | Regular | 26 | 37 | 30 MPG |
| K5 | 2.5L 4-cyl | Automatic (S8) | Regular | 25 | 36 | 29 MPG |
| K5 | 2.5L 4-cyl | Automatic (AM-S8) | Regular | 23 | 33 | 27 MPG |
| K5 AWD | 2.5L 4-cyl | Automatic (S8) | Regular | 24 | 33 | 27 MPG |
2025 Kia K5: engines & MPG
The 2025 K5 was EPA-rated in 4 versions (2.5L 4-cyl), with combined economy from 27 to 30 MPG. Used 2025 models currently list for a median of $25,485 on VehiSales (1,443 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K5 | 2.5L 4-cyl | Automatic (S8) | Regular | 26 | 37 | 30 MPG |
| K5 | 2.5L 4-cyl | Automatic (S8) | Regular | 25 | 36 | 29 MPG |
| K5 AWD | 2.5L 4-cyl | Automatic (S8) | Regular | 24 | 33 | 27 MPG |
| K5 | 2.5L 4-cyl | Automatic (AM-S8) | Regular | 23 | 33 | 27 MPG |
2024 Kia K5: engines & MPG
The 2024 K5 was EPA-rated in 3 versions (1.6L 4-cyl, 2.5L 4-cyl), with combined economy from 27 to 31 MPG. Used 2024 models currently list for a median of $25,399 on VehiSales (678 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K5 | 1.6L 4-cyl | Automatic (S8) | Regular | 27 | 37 | 31 MPG |
| K5 AWD | 1.6L 4-cyl | Automatic (S8) | Regular | 25 | 33 | 28 MPG |
| K5 | 2.5L 4-cyl | Automatic (AM-S8) | Regular | 24 | 32 | 27 MPG |
2023 Kia K5: engines & MPG
The 2023 K5 was EPA-rated in 3 versions (1.6L 4-cyl, 2.5L 4-cyl), with combined economy from 27 to 31 MPG. Used 2023 models currently list for a median of $22,500 on VehiSales (1,163 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K5 | 1.6L 4-cyl | Automatic (S8) | Regular | 27 | 37 | 31 MPG |
| K5 AWD | 1.6L 4-cyl | Automatic (S8) | Regular | 25 | 33 | 28 MPG |
| K5 | 2.5L 4-cyl | Automatic (AM-S8) | Regular | 24 | 32 | 27 MPG |
2022 Kia K5: engines & MPG
The 2022 K5 was EPA-rated in 4 versions (1.6L 4-cyl, 2.5L 4-cyl), with combined economy from 27 to 32 MPG. Used 2022 models currently list for a median of $20,626 on VehiSales (776 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K5 | 1.6L 4-cyl | Automatic (S8) | Regular | 29 | 38 | 32 MPG |
| K5 | 1.6L 4-cyl | Automatic (S8) | Regular | 27 | 37 | 31 MPG |
| K5 AWD | 1.6L 4-cyl | Automatic (S8) | Regular | 25 | 33 | 28 MPG |
| K5 | 2.5L 4-cyl | Automatic (AM-S8) | Regular | 24 | 32 | 27 MPG |
2021 Kia K5: engines & MPG
The 2021 K5 was EPA-rated in 4 versions (1.6L 4-cyl, 2.5L 4-cyl), with combined economy from 27 to 32 MPG. Used 2021 models currently list for a median of $19,477 on VehiSales (837 for sale).
| Version | Engine | Transmission | Fuel | City | Hwy | Combined |
|---|---|---|---|---|---|---|
| K5 | 1.6L 4-cyl | Automatic (S8) | Regular | 29 | 38 | 32 MPG |
| K5 | 1.6L 4-cyl | Automatic (S8) | Regular | 27 | 37 | 31 MPG |
| K5 AWD | 1.6L 4-cyl | Automatic (S8) | Regular | 26 | 34 | 29 MPG |
| K5 | 2.5L 4-cyl | Automatic (AM-S8) | Regular | 24 | 32 | 27 MPG |
Frequently asked questions
What MPG does a Kia K5 get?
Depending on year and engine, EPA combined ratings for the K5 range from 30 to 32 MPG. The most efficient rated version is the 2022 model year.
What engines does the 2026 Kia K5 have?
The 2026 K5 was EPA-rated with 2.5L 4-cyl engines — see the 2026 table above for each version's exact city/highway figures.
Does the Kia K5 require premium gas?
No — rated versions run on regular gasoline.
https://vehisales.com/research/fuel-economy/kia/k5.
See also: Kia K5 hub — live listings, prices & reliability · Most fuel-efficient cars by segment · Model price trends. Media inquiries: [email protected].