What trims and engines the 2025 Kia K4 offers

The 2025 Kia K4 is a compact sedan sold in the United States with three main trim levels: LX, EX, and GT. Each trim comes with a single engine option — a 2.0-liter four-cylinder that produces 147 horsepower and 132 pound-feet of torque. All models pair this engine with a continuously variable transmission (CVT) and front-wheel drive. The trims differ in standard features, interior materials, technology, and safety equipment rather than performance or powertrain.

Kia positions the K4 as an entry-level sedan, competing directly with the Honda Civic, Toyota Corolla, and Hyundai Elantra. The three-tier structure lets buyers choose how much equipment and comfort they want without paying for a larger or more powerful vehicle. Base LX models start lower in price; EX adds convenience and comfort features; GT includes more premium touches and technology.

Key Takeaways

  • All 2025 K4 models use the same 2.0-liter engine, CVT transmission, and front-wheel-drive setup — trim level does not change the powertrain.
  • The LX trim is the base model with manual windows, a smaller touchscreen, and cloth seats; the EX adds power windows, a larger screen, and upgraded materials.
  • The GT trim includes leather upholstery, heated front seats, a panoramic sunroof, and more advanced driver information features than lower trims.
  • Fuel economy is consistent across all trims at approximately 33 mpg city and 43 mpg highway, since the engine and transmission do not change.
  • Optional packages and add-ons vary by trim, with higher trims offering more customization choices for technology and convenience features.

LX trim: what comes standard

The LX is the entry-level K4 and includes the essentials for a compact sedan. Standard equipment includes a 5-inch touchscreen infotainment system, six speakers, manual windows and locks, air conditioning, and a rearview camera. The interior uses cloth upholstery, and seating is manual (non-power adjustable). Safety features include six airbags, electronic stability control, and a backup camera that displays on the touchscreen.

The LX does not include power windows, power door locks, or cruise control as standard. Kia offers these as part of an optional package on the LX, which also adds items like a steering wheel audio control and a USB charging port. The LX appeals to buyers who want basic transportation and are willing to skip convenience features to keep the price down.

EX trim: added comfort and convenience

The EX trim steps up with power windows, power door locks, and cruise control as standard. The infotainment system grows to a 8-inch touchscreen with Apple CarPlay and Android Auto compatibility. The interior moves to cloth seats with a more refined appearance, and the steering wheel becomes leather-wrapped. Air conditioning becomes dual-zone automatic climate control.

The EX also adds heated front seats, a rear parking sensor (in addition to the backup camera), and a proximity key with push-button start. Kia includes more driver information features on the EX, such as lane-keeping information and automatic emergency braking. Optional packages on the EX can add a sunroof, a power driver's seat, and upgraded audio systems.

GT trim: premium features and technology

The GT is the highest trim and includes leather upholstery on the seats and steering wheel as standard. It adds a panoramic sunroof, a power-adjustable driver's seat with lumbar support, and heated rear seats. The infotainment system remains an 8-inch touchscreen but includes additional features like wireless smartphone integration on higher-end versions.

The GT trim includes all the safety and driver information features from the EX, plus additional items such as blind-spot monitoring and rear cross-traffic alert. Exterior styling on the GT includes a more aggressive front grille, unique alloy wheels, and LED daytime running lights. The GT can be further customized with packages that add navigation, a premium audio system, and additional convenience features.

Engine and transmission details across all trims

Every 2025 K4 uses a 2.0-liter four-cylinder engine rated at 147 horsepower and 132 pound-feet of torque. This engine is paired with a continuously variable transmission (CVT) that automatically adjusts gear ratios for smooth acceleration and fuel efficiency. Front-wheel drive is standard on all models; all-wheel drive is not offered on the K4.

Fuel economy is the same regardless of trim: the EPA rates the K4 at approximately 33 miles per gallon in city driving and 43 miles per gallon on the highway, with a combined rating around 37 mpg. Real-world mileage varies based on driving habits, road conditions, and maintenance. The K4 uses regular unleaded gasoline and has a fuel tank capacity of 14.8 gallons.

Optional packages and add-ons by trim

Kia offers different optional packages depending on which trim you choose. On the LX, packages typically bundle convenience items like power windows and locks with audio upgrades. The EX offers packages that add a sunroof, navigation, and premium audio systems. The GT can be equipped with navigation packages and additional technology features that are not available on lower trims.

Paint color choices are consistent across all trims, though some colors may carry an upcharge. Wheel options vary by trim, with the LX and EX using smaller standard wheels and the GT featuring larger, more distinctive alloy wheels. Buyers can also choose between different interior color schemes on higher trims, though options are more limited on the LX.

How trim levels compare in price and value

The LX trim starts at the lowest price point and is aimed at buyers prioritizing affordability. The EX costs more but includes features that many buyers consider essential, such as power windows, automatic climate control, and a larger touchscreen. The GT commands a higher price but adds luxury touches like leather upholstery, a sunroof, and more advanced technology.

The value proposition depends on your priorities. If you spend most of your time in the car and want comfort features, the EX or GT may justify the additional cost. If you drive short distances and rarely use convenience features, the LX provides the core sedan experience at a lower price. Resale value tends to be similar across trims, though higher trims may appeal to a broader used-car market.

Frequently Asked Questions

Can I get a 2025 K4 with all-wheel drive?

No. The 2025 K4 is only offered with front-wheel drive. If all-wheel drive is important to you, Kia's Sportage compact SUV is available with that option, though it is a larger and more expensive vehicle.

Does the GT trim have a different engine than the LX?

No. All 2025 K4 trims use the same 2.0-liter four-cylinder engine with 147 horsepower. The trim level changes the features and materials inside the car, not the powertrain underneath.

What is the main difference between the EX and GT trims?

The GT adds leather seats, a panoramic sunroof, heated rear seats, and a power-adjustable driver's seat with lumbar support. The GT also includes more advanced driver information features like blind-spot monitoring. The EX has cloth seats, no sunroof, and fewer active safety features, but still includes the core conveniences like power windows and an 8-inch touchscreen.

Is the fuel economy the same on all trims?

Yes. Because all K4 models use the same engine and transmission, fuel economy is consistent at roughly 33 mpg city and 43 mpg highway across the LX, EX, and GT. Real-world results vary based on driving conditions and habits.

Can I add a sunroof to the LX trim?

Sunroof availability depends on the specific year and dealer inventory. The GT comes with a panoramic sunroof as standard. On the LX and EX, a sunroof may be offered as part of an optional package, but this varies by model year and region. Check with a Kia dealer to see what options are available for the specific trim you are interested in.