Kia w/Stop-Start MPG by year — every rating on record
The Kia w/Stop-Start has a combined EPA fuel economy rating for 2 model years, from 2026 to 2027. Across those years its best rated version returned 30 mpg (2026) and its thirstiest returned 30 mpg (2026). The EPA record holds 2 configurations for this nameplate, most recently a Large Cars.
Year-by-year EPA ratings
| Model year | Configurations | Best combined | Worst combined | Class rank that year | Drivetrains | Fuel | EPA class |
|---|---|---|---|---|---|---|---|
| 2026 | 1 | 30 mpg | 30 mpg | #36 of 60 (41th pct) | Front-Wheel Drive | Regular | Large Cars |
| 2027 | 1 | 30 mpg | 30 mpg | #19 of 35 (47th pct) | Front-Wheel Drive | Regular | Large Cars |
Where it has stood in its class
Ranked against every other nameplate the EPA filed under the same class that year. The Kia w/Stop-Start placed highest in 2027 at #19 of 35, and lowest in 2026 at #36 of 60. It spent 0 of its 2 ranked years in the top half of its class.
Every configuration on record
All 2 configurations EPA lists for this nameplate, newest first.
| Year | Configuration | Engine detail | City | Highway | Combined | Gallons/yr | Barrels/yr | EPA fuel cost/yr | CO2 g/mi | GHG |
|---|---|---|---|---|---|---|---|---|---|---|
| 2027 | 2.5L 4-cyl Front-Wheel Drive Automatic (S8) Regular | SIDI & PFI, start-stop | 26 | 37 | 30 | 383.3 | 9.9 | $2,100 | 296 | 6/10 |
| 2026 | 2.5L 4-cyl Front-Wheel Drive Automatic (S8) Regular | SIDI & PFI, start-stop | 26 | 37 | 30 | 383.3 | 9.9 | $2,100 | 298 | 6/10 |
What w/Stop-Start fuel costs over a year
At the EPA's 11,500 miles a year, the 2027 Kia w/Stop-Start burns 383 to 383 gallons depending on configuration. Below is what that costs at three pump prices, and how much more the thirstiest configuration costs than the most efficient one.
| Pump price | Most efficient | Thirstiest | Spread |
|---|---|---|---|
| $3.00/gal | $1,150 | $1,150 | $0 |
| $3.50/gal | $1,342 | $1,342 | $0 |
| $4.00/gal | $1,533 | $1,533 | $0 |
EPA’s own estimate for the 2027 model year is $2,100 to $2,100 a year in fuel, or $750 less than the average new vehicle over five years.
How it compares with other Large Cars
Across the 305 nameplates EPA classifies as Large Cars, the median best combined rating is 21 mpg. At 30 mpg the Kia w/Stop-Start is 9 mpg better the median, which is worth about $575 a year at $3.50 a gallon.
- All Large Cars rankings — every nameplate in the class, best to worst.
Other Kia nameplates
Every Kia model compared → — all nameplates ranked by best combined rating, with what each one costs a year.