2026 Kia K5 w/Stop-Start MPG
EPA-rated · verified snapshot 2026-08-30 · Large Cars
The 2026 Kia K5 w/Stop-Start gets 30 MPG combined — 26 city and 37 highway — in its most efficient configuration (2.5L · 4-cyl · Automatic (S8) · Front-Wheel Drive).
City26 MPG
Highway37 MPG
$2,050Fuel cost / yr (EPA est.)
298 g/miCO₂
RegularFuel
+$7505-yr fuel cost vs. average vehicle
6 / 10EPA Fuel Economy & GHG score
16 ft³Cargo volume
105 ft³Passenger volume
Where it sits among sedans (2026)
FAQ
Does the 2026 K5 w/Stop-Start get good gas mileage for its class?
The 2026 K5 w/Stop-Start's 30 MPG combined is below the sedans average of 48 MPG for 2026.
How much does it cost to fuel a 2026 K5 w/Stop-Start per year?
Based on EPA assumptions (15,000 miles/year), estimated annual fuel cost is $2,050 for the most efficient trim.
What is the city and highway MPG of the 2026 K5 w/Stop-Start?
The most efficient trim is rated 26 MPG city and 37 MPG highway.