Owner guide · Michigan City Kia · Michigan City, IN

Kia K5 MPG Guide

How far will a K5 go on a gallon? This guide uses the 2027 K5 specifications on kia.com, read November 4, 2026, for EPA MPG estimates by trim and drivetrain, plus engines, transmissions and fuel. Other model years can differ.

Red Kia K5 sedan, front three-quarter view
Kia K5. Image: Kia America
30 mpgcombined, K5 LXS
29 mpgcombined, GT-Line FWD
27 mpgcombined, GT and GT-Line AWD
15.8 gal.fuel tank, every trim

What MPG does a Kia K5 get?

Kia lists EPA estimates for the 2027 K5 of 26 city/37 highway/30 combined mpg on the LXS, 25/36/29 on the GT-Line with FWD, 23/33/27 on the GT-Line with AWD and 23/33/27 on the 290-hp GT.

2027 K5 MPG by trim

2027 trimEngineFWD MPG (city/hwy/combined)AWD MPG (city/hwy/combined)
LXS2.5L 4-cylinder, 186 hp26/37/30Not available
GT-Line2.5L 4-cylinder, 186 hp25/36/2923/33/27
GTTurbocharged 2.5L 4-cylinder, 290 hp23/33/27Not available

From the EPA MPG Estimates (FWD and AWD), Engine Type and Horsepower rows of the 2027 K5 specifications on kia.com, read November 4, 2026, with all three trims shown. Kia marks these as EPA estimates; see the MPG disclaimer on kia.com.

The LXS posts the best figures at 30 mpg combined. All-wheel drive is available only on the GT-Line, and Kia lists it at 27 mpg combined. You can also see the K5 at Michigan City Kia.

K5 engines and transmissions

2027 trimHorsepowerTorqueTransmission
LXS186 hp @ 6,100 rpm178 lb.-ft. @ 4,000 rpm8-speed automatic
GT-Line186 hp @ 6,100 rpm178 lb.-ft. @ 4,000 rpm8-speed automatic
GT290 hp @ 5,800 rpm311 lb.-ft. @ 1,650-4,000 rpm8-speed dual clutch (wet type)

From the Horsepower, Torque, 8-Speed Automatic Transmission and 8-Speed Dual Clutch Transmission rows of the 2027 K5 specifications on kia.com, read November 4, 2026.

K5 fuel tank and fuel

ItemEvery 2027 K5 trim
Fuel tank capacity15.8 gal.
Fuel requirementRegular unleaded, 87 octane or higher

From the Fuel Tank Capacity and Fuel Requirement rows of the 2027 K5 specifications on kia.com, read November 4, 2026.

What affects your K5's MPG

EPA figures are for comparison. Your mileage will vary with how and where you drive, the weather, tire pressure and how the car is maintained. Keeping tires at the pressure on the door placard and following the maintenance schedule in your owner's manual helps your K5 run as designed.

Michigan City Kia service hours

DaysHours
Monday to Friday7:30 a.m.-5 p.m.
Saturday7:30 a.m.-3 p.m.

From the service department hours in Michigan City Kia's website structured data, November 4, 2026. No Sunday service hours are listed. Holiday hours can differ.

Kia K5 MPG questions

What MPG does a Kia K5 get?

Kia lists the 2027 K5 at 30 mpg combined (26 city/37 highway) on the LXS, 29 mpg combined (25/36) on the GT-Line FWD, 27 mpg combined (23/33) on the GT-Line AWD and 27 mpg combined (23/33) on the GT. These are EPA estimates.

Which K5 gets the best gas mileage?

The 2027 K5 LXS, which Kia lists at 26 city, 37 highway and 30 combined mpg.

Is the K5 available with AWD?

Yes, on the GT-Line. Kia lists AWD as available on the 2027 K5 GT-Line and not available on the LXS or GT.

How big is the K5 gas tank?

Kia lists a 15.8-gallon fuel tank on every 2027 K5 trim.

Does the K5 GT need premium fuel?

No. Kia lists regular unleaded, 87 octane or higher, for every 2027 K5 trim, including the GT.

Sources

All figures are from the 2027 K5 specifications on kia.com, read November 4, 2026. EPA estimates are for comparison; your mileage will vary. Other model years can differ. Address and hours are from Michigan City Kia's own website. Image: Kia America.

  1. 2027 K5 specifications (LXS, GT-Line, GT): EPA MPG estimates FWD/AWD, engine type, horsepower, torque, transmissions, AWD availability, fuel requirement, fuel tank capacity; trim image, Kia America, read November 4, 2026
  2. Address, map coordinates, logo and service department hours (structured data), Michigan City Kia, November 4, 2026
  3. Schedule service page, Michigan City Kia, November 4, 2026
  4. Kia service center at Michigan City Kia, Michigan City Kia, November 4, 2026