Gallonly
Kia DL3 K5
Shown: Kia DL3 K5. Photo: Bull-Doser, Public domain, via Wikimedia Commons
  • Newest year: 2027
  • Gas
  • Large cars
  • Partial model year

2021-2027 Kia K5 MPG & Fuel Cost

7 model years · 27–32 MPG combined

30 MPG
Combined
26 MPG
City
37 MPG
Highway
Annual fuel cost · w/Stop-Start 2.5L 4-cyl FWD
$2,170

15,000 mi/yr · regular gasoline $4.36/gal (U.S. average, Sep 2026)

Cheaper to fuel than 4 of 10 large car configurations, MY2027. Ranked against all rated configurations, not sales-weighted.

2021-2027 Kia K5 at a glance

The 2021-2027 Kia K5 covers 7 model years in the EPA database (26 configurations in all), rated 27–32 MPG combined. The newest model year, 2027, costs about $2,170 a year to fuel for its most efficient version, the w/Stop-Start 2.5L 4-cyl FWD (30 MPG), at regular gasoline $4.36/gal (U.S. average, Sep 2026). EPA changed the ratings in 2022, 2023, 2025, 2026 and 2027; 2024 repeat the values of the year before. The best combined rating in the generation, 32 MPG, was reached in 2021 and 2022.

Model year 2027 is still being filled in by EPA (4 configurations listed so far), so rows may be added.

2021-2027 Kia K5 by model year

2021-2027 Kia K5: EPA combined rating and yearly fuel cost for each model year
Model yearPowertrainsCombined$/yrEPA ratings
2027 (partial) Gas 27–30 MPG $2,170–$2,440 Ratings changed
2026 Gas 27–30 MPG $2,190–$2,440 Ratings changed
2025 Gas 27–30 MPG $2,190–$2,440 Ratings changed
2024 Gas 27–31 MPG $2,140–$2,430 Same EPA ratings as 2023
2023 Gas 27–31 MPG $2,140–$2,430 Ratings changed
2022 Gas 27–32 MPG $2,040–$2,430 Ratings changed
2021 Gas 27–32 MPG $2,040–$2,430 First year

What the 2027 w/Stop-Start 2.5L 4-cyl FWD costs to drive

Per month

$181

$2,170 a year ÷ 12

Per 25 miles

$3.62

Per 100 miles

$14.47

Five years

$10,850

5 × the yearly cost, prices held at today's level

vs the large car median

$910more a year

Class median $1,260 a year, MY2027

Based on 15,000 miles a year and regular gasoline $4.36/gal (U.S. average, Sep 2026).

2027 Kia K5 MPG

Model year 2027 is still being filled in by EPA (4 configurations listed so far), so rows may be added.

Versus 2026: The most efficient configuration stays at 30 MPG. Its annual cost goes from $2,190 to $2,170, $20 less.

Gas · 2.5L
Combined
27–30 MPG
Per year
$2,170–$2,440

Gas configurations (4)

2027 Kia K5 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
w/Stop-Start (Most efficient) 2.5L 4-cyl FWD 26 37 30 $2,170
K5 2.5L 4-cyl FWD 2.5L 4-cyl FWD 25 36 29 $2,250
K5 2.5L 4-cyl turbo 2.5L 4-cyl turbo FWD 23 33 27 $2,440
K5 2.5L 4-cyl AWD 2.5L 4-cyl AWD 23 33 27 $2,440

2026 Kia K5 MPG

27–30 MPG · $2,190–$2,440/yr

Versus 2025: The most efficient configuration stays at 30 MPG. Its annual cost stays at $2,190.

Gas · 2.5L
Combined
27–30 MPG
Per year
$2,190–$2,440

Gas configurations (4)

2026 Kia K5 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
w/Stop-Start (Most efficient) 2.5L 4-cyl FWD 26 37 30 $2,190
K5 2.5L 4-cyl FWD 2.5L 4-cyl FWD 25 36 29 $2,270
K5 2.5L 4-cyl AWD 2.5L 4-cyl AWD 24 33 27 $2,410
K5 2.5L 4-cyl turbo 2.5L 4-cyl turbo FWD 23 33 27 $2,440

2025 Kia K5 MPG

27–30 MPG · $2,190–$2,440/yr

Versus 2024: The most efficient configuration moves from 31 to 30 MPG, down 1. Its annual cost goes from $2,140 to $2,190, $50 more.

Gas · 2.5L
Combined
27–30 MPG
Per year
$2,190–$2,440

Gas configurations (4)

2025 Kia K5 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
K5 2.5L 4-cyl FWD Automatic (S8) (Most efficient) 2.5L 4-cyl FWD 26 37 30 $2,190
K5 2.5L 4-cyl FWD Automatic (S8) 2.5L 4-cyl FWD 25 36 29 $2,270
K5 2.5L 4-cyl AWD 2.5L 4-cyl AWD 24 33 27 $2,410
K5 2.5L 4-cyl turbo 2.5L 4-cyl turbo FWD 23 33 27 $2,440

2024 Kia K5 MPG

Same EPA ratings as 2023

EPA lists the same ratings for the 2024 Kia K5 as for the 2023 model, so the configurations and costs are the ones in the 2023 section above.See 2023

2023 Kia K5 MPG

27–31 MPG · $2,140–$2,430/yr

Versus 2022: The most efficient configuration moves from 32 to 31 MPG, down 1. Its annual cost goes from $2,040 to $2,140, $100 more.

Gas · 1.6L, 2.5L
Combined
27–31 MPG
Per year
$2,140–$2,430

Gas configurations (3)

2023 Kia K5 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
K5 1.6L 4-cyl turbo FWD (Most efficient) 1.6L 4-cyl turbo FWD 27 37 31 $2,140
K5 1.6L 4-cyl turbo AWD 1.6L 4-cyl turbo AWD 25 33 28 $2,310
K5 2.5L 4-cyl turbo 2.5L 4-cyl turbo FWD 24 32 27 $2,430

2022 Kia K5 MPG

27–32 MPG · $2,040–$2,430/yr

Versus 2021: The most efficient configuration stays at 32 MPG. Its annual cost stays at $2,040.

Gas · 1.6L, 2.5L
Combined
27–32 MPG
Per year
$2,040–$2,430

Gas configurations (4)

2022 Kia K5 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
K5 1.6L 4-cyl turbo FWD Automatic (S8) (Most efficient) 1.6L 4-cyl turbo FWD 29 38 32 $2,040
K5 1.6L 4-cyl turbo FWD Automatic (S8) 1.6L 4-cyl turbo FWD 27 37 31 $2,130
K5 1.6L 4-cyl turbo AWD 1.6L 4-cyl turbo AWD 25 33 28 $2,310
K5 2.5L 4-cyl turbo 2.5L 4-cyl turbo FWD 24 32 27 $2,430

2021 Kia K5 MPG

27–32 MPG · $2,040–$2,430/yr
Gas · 1.6L, 2.5L
Combined
27–32 MPG
Per year
$2,040–$2,430

Gas configurations (4)

2021 Kia K5 gas configurations: EPA ratings and annual cost
TrimEngineDriveCityHwyComb.$/yr
K5 1.6L 4-cyl turbo FWD Automatic (S8) (Most efficient) 1.6L 4-cyl turbo FWD 29 38 32 $2,040
K5 1.6L 4-cyl turbo FWD Automatic (S8) 1.6L 4-cyl turbo FWD 27 37 31 $2,130
K5 1.6L 4-cyl turbo AWD 1.6L 4-cyl turbo AWD 26 34 29 $2,270
K5 2.5L 4-cyl turbo 2.5L 4-cyl turbo FWD 24 32 27 $2,430

Fuel cost by state

Yearly cost of the w/Stop-Start 2.5L 4-cyl FWD: $2,960 in California and $1,900 in Texas, a $1,060 difference.

Gasoline prices: California: California state average; Washington: Washington state average; New York: New York state average; Florida: Florida state average; Texas: Texas state average (Sep 2026).
Fuel cost in every state

Similar cars

Closest combined MPG among MY2027 large car models.

EPA ratings: fueleconomy.gov file of Sep 29, 2026 · Prices: EIA regular gasoline, U.S. average, Sep 2026 ($4.36/gal) · 15,000 mi/yr, 55% city / 45% highway · How we calculate

Generations

  • 2021-2027* (DL3)

Frequently asked questions

What gas mileage does the 2021-2027 Kia K5 get?

EPA rates the 2021-2027 Kia K5 at 27–32 MPG combined across 26 configurations and 7 model years. The most efficient version, the 2022 K5 1.6L 4-cyl turbo FWD, is rated 32 MPG (29 city, 38 highway).

Which years had the best MPG in the 2021-2027 Kia K5?

The K5 1.6L 4-cyl turbo FWD reached the generation's best combined rating, 32 MPG, in 2021 and 2022. The lowest top rating, 30 MPG, was in 2025, 2026 and 2027.

Did EPA ratings change during the 2021-2027 Kia K5?

Yes. Ratings changed in 2022, 2023, 2025, 2026 and 2027. In 2024 the values repeat the year before.

How much does it cost to fuel a 2027 Kia K5 per year?

Driving 15,000 miles a year at regular gasoline $4.36/gal (U.S. average, Sep 2026), the w/Stop-Start 2.5L 4-cyl FWD costs about $2,170 a year. Across all 4 configurations the cost runs $2,170–$2,440 a year. That is a $270 difference between the cheapest and the costliest configuration.

How much does it cost to drive a 2027 Kia K5 100 miles?

About $14.47 per 100 miles for the w/Stop-Start 2.5L 4-cyl FWD at regular gasoline $4.36/gal (U.S. average, Sep 2026), and between $14.47 and $16.27 across all configurations. That is the annual cost over 15,000 miles divided by 150.

Is the 2027 Kia K5 more efficient in the city or on the highway?

The w/Stop-Start 2.5L 4-cyl FWD is rated 26 city and 37 highway MPG, so it is more efficient on the highway, by 11 MPG.

How does the 2027 Kia K5 compare with other large car configurations?

The w/Stop-Start 2.5L 4-cyl FWD costs about $2,170 a year to fuel, $910 more than the class median of $1,260, and less than 4 of 10 large car configurations. The comparison covers all 50 rated large car configurations for MY2027, not weighted by sales.

Is the 2027 Kia K5 different from the 2026 model?

The most efficient configuration stays at 30 MPG. Its annual cost goes from $2,190 to $2,170, $20 less. EPA lists 4 configurations for 2027 against 4 configurations for 2026. See the 2026 Kia K5 for that year.