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2026 Kia K5 w Stop-Start MPG

Official EPA fuel-economy rating for the 2026 Kia K5 w Stop-Start.

EPA combined fuel economy
30MPG
combined (55% city / 45% hwy)
City
26
MPG
Highway
37
MPG
Engine
2.5L
Cylinders
4
Drive
FrontWD
Class
Large Cars
Running cost

Estimated annual fuel cost

Per year
$1,750
15,000 mi/yr
Fuel used
500 gal
per year
At gas price
$3.50
per gallon

Based on 30 MPG combined and 15,000 miles per year. Adjust for your local gas price and annual mileage.

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FAQ

2026 Kia K5 w Stop-Start

How many MPG does a 2026 Kia K5 w Stop-Start get?
The 2026 Kia K5 w Stop-Start gets 30 MPG combined according to the EPA — about 26 MPG in the city and 37 MPG on the highway. Combined MPG is a 55% city / 45% highway blend.
What is the annual fuel cost for a 2026 Kia K5 w Stop-Start?
Driving 15,000 miles a year at 30 MPG combined, the 2026 Kia K5 w Stop-Start uses about 500 gallons of fuel per year — roughly $1,750 at $3.50/gallon. Your real cost varies with local gas prices and driving style.
What is the difference between city and highway MPG on the 2026 Kia K5 w Stop-Start?
The 2026 Kia K5 w Stop-Start returns 26 MPG city and 37 MPG highway. Highway is higher because steady-speed cruising avoids the stop-and-go acceleration that burns fuel in city driving. The 30 MPG combined figure blends the two.
Is 30 MPG good for a large cars?
For a large cars, 30 MPG combined is very efficient. Hybrid trims and smaller engines, where offered, return better numbers.
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