Kia K4 GT-Line · Michigan City Kia · Michigan City, IN

Kia K4 GT-Line in Michigan City, IN

The GT-Line is the sporty-looking K4 sedan that keeps the 2.0L engine. On top of the EX, Kia's 2027 lineup gives it GT-Line styling with gloss black trim, 18-inch alloy wheels, an independent multi-link rear suspension with sport tuning, a sport steering wheel with paddle shifters and a 10-way power driver's seat. Kia lists the 2027 K4 GT-Line from $25,590 MSRP. Shop it at Michigan City Kia.

Kia K4 GT-Line sedan in a light color with gloss black trim and 18-inch wheels, front three-quarter view on a white background
Kia K4 GT-Line. Image: Kia America
$25,5902027 starting MSRP
147 hp2.0L four, 132 lb-ft
33 mpgEPA combined (29 city / 39 hwy)
18-in.alloy wheels, 235/40R18 tires
10-waypower driver's seat

K4 GT-Line or EX?

Both use the 147-hp 2.0L four with an IVT and share heated front seats, SynTex seat trim, dual-zone automatic climate control, a wireless phone charger and the 12.3-inch touchscreen. For $1,000 more in starting MSRP ($25,590 vs. $24,590), the GT-Line adds GT-Line exterior and interior styling, 18-inch wheels in place of 17s, an independent multi-link rear suspension with sport tuning, a GT-Line sport steering wheel with paddle shifters, a 10-way power driver's seat with power lumbar and two-tone SynTex trim. EPA estimates are the same: 29 city / 39 highway / 33 combined mpg.

2027 K4 GT-Line price

Starting MSRP, 2027 K4$10,000$20,000$30,000LX$22,390LXS$23,590EX$24,590GT-Line$25,590GT-Line Turbo$28,490
Starting MSRP from kia.com, November 2, 2026.
2027 K4 trimStarting MSRPEPA mpg city/hwy/combined
EX$24,59029/39/33
GT-Line$25,59029/39/33
GT-Line Turbo$28,49026/33/28

Starting MSRPs and EPA estimates from kia.com, read November 2, 2026. Kia states that starting MSRP is for the lowest trim and excludes destination and handling charges, taxes, title, license fees, options and dealer charges, and that the actual price is set by the dealer. Our price on each vehicle is on its vehicle page. EPA estimates are for comparison; actual mileage will vary.

What the GT-Line adds over the EX

GT-Line styling

GT-Line exterior styling with a GT-Line design gloss black grille with chrome, gloss black window surrounds and gloss black mirror caps, plus a black cloth headliner inside.

18-inch wheels

18-inch alloy wheels with a black and machined finish on 235/40R18 tires; the EX has 17-inch wheels on 225/45R17 tires.

Multi-link rear suspension

An independent multi-link rear suspension with sport tuning, where the LX, LXS and EX use a coupled torsion beam axle. Rear disc brakes grow from 10.3 to 11.2 inches.

Sport steering wheel

A GT-Line SynTex sport steering wheel with paddle shifters for the IVT, and slightly quicker steering (2.41 turns lock to lock vs. 2.48).

Power driver's seat

A 10-way power-adjustable driver's seat with 2-way power lumbar; the EX has a 6-way manual seat.

Two-tone SynTex

Black and White SynTex seat trim, or Black and Red SynTex for an extra charge, instead of the EX's Black or Gray and Black SynTex.

From Kia's 2027 K4 compare trims and specs page, read November 2, 2026. Equipment can change during the model year; the window sticker on each vehicle lists its exact equipment.

Standard on the K4 GT-Line

Comfort

Heated front seats, SynTex seat trim, dual-zone automatic climate control with a 5-inch climate display, 60/40 split-folding rear seats and a rear center armrest with cup holders.

Tech

A 12.3-inch touchscreen with wireless Apple CarPlay and Android Auto, a wireless phone charger, Kia Connect, Smart Key with push-button start and a Smart Trunk.

Driver assistance

Smart Cruise Control with Stop and Go, Forward Collision-Avoidance Assist, Lane Keeping Assist, Lane Following Assist, Blind-Spot Collision Warning, Rear Cross-Traffic Collision-Avoidance Assist and Safe Exit Warning.

From Kia's 2027 K4 compare trims and specs page, read November 2, 2026.

Available upgrades on the GT-Line

Kia lists these as available, not standard, on the 2027 K4 GT-Line: a 12.3-inch touchscreen with navigation, a 12.3-inch instrument display, Harman Kardon premium audio with eight speakers, a wide sunroof, ventilated front seats, a heated steering wheel, a driver's memory seat, Highway Driving Assist, Navigation-Based Smart Cruise Control with curve control and 18-inch alloy wheels with a black finish.

Kia's K4 overview page refers to a GT-Line Premium Package. The window sticker on each GT-Line shows which of these it has.

From Kia's 2027 K4 compare trims and specs and overview pages, read November 2, 2026.

K4 GT-Line engine and mpg

2027 K4 GT-Line
Engine2.0L 4-cylinder, multi-point injection
Output147 hp at 6,200 rpm; 132 lb-ft at 4,500 rpm
TransmissionIntelligent Variable Transmission (IVT) with paddle shifters
DriveFront-wheel drive
EPA estimates29 city / 39 highway / 33 combined mpg
FuelRegular unleaded, 87 octane; 12.4-gallon tank
SuspensionMacPherson struts front; independent multi-link rear, sport tuned

From Kia's 2027 K4 compare trims and specs page, read November 2, 2026. EPA estimates are for comparison; actual mileage will vary.

For the whole lineup, see the K4 model page.

K4 GT-Line vs. GT-Line Turbo

GT-LineGT-Line Turbo
2027 starting MSRP$25,590$28,490
Engine2.0L 4-cylinder, 147 hp, 132 lb-ft1.6L turbo 4-cylinder, 190 hp, 195 lb-ft
TransmissionIVT8-speed automatic
EPA combined mpg3328
Wheels18-inch, black and machined (black finish available)18-inch, black finish
Screens12.3-in. touchscreen, 4-in. instrument display (navigation and 12.3-in. cluster available)12.3-in. touchscreen with navigation, 12.3-in. instrument display
Audio and roofSix speakers (Harman Kardon and wide sunroof available)Harman Kardon, eight speakers; wide sunroof
LightingMulti-reflector LED headlightsLED projector headlights, LED fog lights, full LED taillights

From Kia's 2027 K4 compare trims and specs page, read November 2, 2026. The GT-Line Turbo also adds alloy sport pedals, rear climate vents and larger front brake discs.

K4 GT-Line size and trunk space

Measurement2027 K4 GT-Line
Length / wheelbase185.4 in. / 107.1 in.
Width / height72.8 in. / 55.9 in.
Ground clearance5.3 in.
Legroom, front / rear42.3 / 38.0 in.
Headroom, front / rear39.0 / 37.3 in. without sunroof; 37.1 / 37.0 in. with sunroof
Trunk volume (SAE)14.6 cu. ft.
Curb weight3,080 to 3,161 lb.

From Kia's 2027 K4 compare trims and specs page, read November 2, 2026.

K4 GT-Line colors

Kia's 2027 specs list seven exterior colors for the K4 GT-Line: Interstellar Gray, Steel Gray, Snow White Pearl, Aurora Black Pearl, Currant Red, Wave Blue and Morning Haze. Interiors are Black and White SynTex or Black and Red SynTex.

Snow White Pearl, Currant Red and the Black and Red interior cost extra. Ask us about ordering a color you do not see in our inventory.

Color list from kia.com, read November 2, 2026. Availability varies.

Find a K4 GT-Line

Our November 2026 new inventory included a 2026 K4 GT-Line. Search current inventory, or contact us to order one. The specifications on this page are for the 2027 model year; check the window sticker on any 2026 model.

Buying a K4 GT-Line at Michigan City Kia

Test drive

Choose a K4 GT-Line from our new inventory and use its vehicle page to check availability, or contact the sales team. Tell us which one and when you plan to come in.

Value your trade

Get a trade-in value online before you visit with the trade-in form, then have it confirmed in person on the day.

Financing and leasing

Apply for financing online and compare the lease and finance programs on the current offers page. The finance FAQs cover lease vs. buy and credit questions.

Service after the sale

Our service department handles maintenance, recalls and warranty work on every K4 GT-Line. Schedule service online.

Michigan City Kia is at 710 E. US Hwy 20 in Michigan City, IN 46360, on U.S. 20. Get directions or contact us to confirm a specific K4 GT-Line is on the lot before you come in.

K4 GT-Line FAQ

How much is a 2027 Kia K4 GT-Line?

Kia lists the 2027 K4 GT-Line from $25,590 MSRP (kia.com, November 2, 2026). MSRP excludes destination and handling charges, taxes, title, license fees, options and dealer charges.

What does the K4 GT-Line add over the EX?

GT-Line exterior and interior styling, 18-inch alloy wheels, an independent multi-link rear suspension with sport tuning, a GT-Line sport steering wheel with paddle shifters, a 10-way power driver's seat with power lumbar and two-tone SynTex seat trim, according to Kia's 2027 specs.

Is the K4 GT-Line turbocharged?

No. The K4 GT-Line uses a 2.0L four-cylinder rated at 147 hp and 132 lb-ft with an IVT. The separate GT-Line Turbo trim has a 1.6L turbo rated at 190 hp and 195 lb-ft with an 8-speed automatic.

What gas mileage does the K4 GT-Line get?

EPA estimates for the 2027 K4 GT-Line are 29 city / 39 highway / 33 combined mpg, the same as the LX, LXS and EX. The GT-Line Turbo is rated 26 / 33 / 28.

Does the K4 GT-Line have a sunroof?

A wide sunroof is available on the K4 GT-Line and standard on the GT-Line Turbo, according to Kia's 2027 specs.

Is the K4 GT-Line all-wheel drive?

No. Kia lists every 2027 K4 trim as front-wheel drive.

How big is the K4 GT-Line trunk?

Kia lists 14.6 cubic feet of trunk volume (SAE) for the 2027 K4 sedan.

Sources

Prices, fuel economy, specifications, equipment and colors are from Kia's 2027 K4 pages on kia.com, read on November 2, 2026. Kia notes that MSRP excludes destination and handling charges, taxes, title, license fees, options and dealer charges, and that it can change vehicle availability, colors, specifications and features at any time. Inventory details are from our new-inventory search on November 2, 2026.

  1. 2027 K4 compare trims and specs (LX, LXS, EX, GT-Line, GT-Line Turbo): starting MSRPs, EPA estimates, equipment by trim, colors by trim, dimensions, engines and suspension, Kia America, read November 2, 2026
  2. 2027 K4 overview: trim cards with starting MSRPs and EPA estimates, GT-Line standard features, MSRP disclaimer, GT-Line trim image, Kia America, read November 2, 2026
  3. New K4 GT-Line inventory search (1 match, model year 2026), Michigan City Kia, captured November 2, 2026
  4. Dealership address, Michigan City Kia, read November 2, 2026