2026 Kia K4 · Trim vs trim
2026 Kia K4 EX vs GT-Line Turbo: what's the difference?
The GT-Line Turbo costs $3,900 more. 2026 sedan published ; 2027 announced separately. Excludes $1,245 . It starts at $28,390 with the 1.6L , and the EX at $24,490 with the 2.0L four-cylinder. The GT-Line Turbo adds a name-brand sound system and a glass roof. In all, 10 parts differ, listed below. It gets 28 , 5 less than the EX's 33. It makes 190 , 43 more than the EX's 147.
Our K4 data has all five US 2026 K4 sedan , standard 16–18-inch wheels, GT-Line Sunroof and GT-Line Premium Package, Turbo Technology and red interior , and power flow. It doesn't have the separate K4 Hatchback, Forte, announced 2027 model-year changes, paint choices, paint/interior pairing rules and port/dealer yet, so something missing from this page may still be offered.
What changes, as they come
| What | EX | GT-Line Turbo |
|---|---|---|
| Horsepower | EX147 hp | GT-Line Turbo190 hp |
| Combined mpg | EX33 mpg | GT-Line Turbo28 mpg |
| City mpg | EX29 mpg | GT-Line Turbo26 mpg |
| Highway mpg | EX39 mpg | GT-Line Turbo33 mpg |
| Tire diameter | EX25.0″ | GT-Line Turbo25.4″ |
| Wheel size | EX17″ | GT-Line Turbo18″ |
| What | EX | GT-Line Turbo |
|---|---|---|
| Engine | EX2.0L naturally aspirated four-cylinder | GT-Line Turbo1.6L turbocharged four-cylinder |
| Transmission | EXIntelligent Variable Transmission (IVT) | GT-Line Turbo8-speed automatic |
| Suspension | EXMacPherson front / torsion-beam rear | GT-Line TurboSport-tuned MacPherson front / independent multi-link rear |
| Wheels | EX17-inch silver wheels | GT-Line Turbo18-inch black wheels |
| Tires | EX225/45R17 all-season tires | GT-Line Turbo235/40R18 all-season tires |
| Seats | EXSynTex / six-way manual driver seat | GT-Line TurboSynTex / ten-way power driver seat |
| Roof glass | EXNone | GT-Line TurboWide power sunroof with power sunshade |
| Touchscreen | EX12.3-inch touchscreen | GT-Line Turbo12.3-inch touchscreen with navigation |
| Gauge cluster | EX4-inch instrument display | GT-Line Turbo12.3-inch instrument display |
| Audio | EX6-speaker audio | GT-Line TurboHarman Kardon eight-speaker premium audio |
| What | EX | GT-Line Turbo |
|---|---|---|
| Highway Driving Assist | EXNot included | GT-Line TurboYes |
The same on both: cargo behind the rear seats (14.6 cu ft).
More K4 answers
- LX vs LXS
- LXS vs EX
- EX vs GT-Line
- GT-Line vs GT-Line Turbo
- EX vs GT-Line Turbo
- All-wheel drive
- The 190-hp turbo engine
- Heated front seats
- A heated steering wheel
- Ventilated front seats
- A wide power sunroof
- Harman Kardon audio
- Surround View Monitor
- Wireless phone charging
- Smart Cruise Control with Stop & Go
- Blind-Spot Collision Warning
- Blind-Spot Collision-Avoidance Assist
Build your own
Switch to the EX in the trim list to see what goes away, or add packages to either and watch the drawing change.
The GT-Line Turbo, as it comes
↑ The answerGT-Line Turbo
$28,390
2026 sedan MSRP; 2027 announced separately. Excludes $1,245 destination.
GT-Line Turbo
$28,390
2026 sedan MSRP; 2027 announced separately. Excludes $1,245 destination.
- MPG
- mpg
- ·
- Power
- hp
- ·
- Wheels
- ″
- ·
- Screen
- ″
- ·
- Combined mpg
- mpg
- 26 city · 33 highway
- Horsepower
- hp
- 1.6L turbocharged four-cylinder
- Wheel size
- ″
- 235/40R18
- Touchscreen
- ″
- 12.3″ instruments
- Curb weight
- lb
- Published minimum; options add weight
- Has Heated seats
- No Heated wheel
- Has Smart Key
- Has Harman Kardon
Choose a trim
Packages & options
Comfort & tech
Wheels & roof
What your options change
This is a stock GT-Line Turbo. Pick a package and every part it swaps shows up here, and in orange on the car.
- Has Heated seats
- No Heated wheel
- Has Smart Key
- Has Harman Kardon
- Engine
- 1.6L turbocharged four-cylinder
- Transmission
- 8-speed automatic
- Drive
- Front-wheel drive only
- Torque
- 195 lb-ft
- Rear suspension
- Sport-tuned MacPherson front / independent multi-link rear
- Tires
- 235/40R18 all-season tires
- Seats
- SynTex / ten-way power driver seat
- Audio
- Harman Kardon eight-speaker premium audio
- Trunk
- 14.6 cu ft · sedan, SAE
- Rear legroom
- 38.0″
- Fuel
- Regular unleaded, 87 octane or higher
- Driver assistance
- Smart Cruise Control with Stop & Go standard; driver supervision required