Kia K5 w/Stop-Start: MPG and fuel economy by year
The EPA has rated the Kia K5 w/Stop-Start for one model year, the 2026 Kia K5 w/Stop-Start. The most recent 2026 Kia K5 w/Stop-Start returns 30 combined MPG.
Pick a year below to open the full Kia K5 w/Stop-Start page for that model year. Each year page covers combined, city, and highway MPG, the trim variants the EPA rates separately, the annual fuel cost across three driving patterns, and a year-over-year comparison so you can see whether the car has improved.
Fuel economy by model year
Combined MPG, city MPG, highway MPG, and the EPA's estimated annual fuel cost for every model year of the Kia K5 w/Stop-Start. Click any year to see the full breakdown for that model year, including trim variants, the drivetrain, and a comparison against other vehicles in its segment.
| Year | Model | Combined MPG | City | Highway | Annual fuel cost |
|---|---|---|---|---|---|
| 2026 | 2026 Kia K5 w/Stop-Start | 30 MPG | 26 MPG | 37 MPG | $2,000 |
How the Kia K5 w/Stop-Start compares against the Large Cars class
Buyers usually compare the Kia K5 w/Stop-Start against other cars in the same EPA class. The list below shows the most efficient cars in the Large Cars class for the 2026 model year, the latest year on this page. Each link opens the full page for that car.
Source: U.S. EPA fuel economy dataset. Annual fuel cost assumes 15,000 miles of driving per year and a 55% city, 45% highway split.