All-New 2026 Kia K4: Specs, Interior, Engine & Release Date

The 2026 Kia K4 arrives as a fresh compact sedan and hatchback, blending sharp styling with practical upgrades for everyday drivers. Replacing the Forte, it promises more space, smarter tech, and peppy performance without breaking the bank. Available now at dealerships, this model targets buyers seeking value in a crowded segment.

Striking Exterior Design

Kia designers drew from the bold Opposites United philosophy to craft the K4’s athletic silhouette. The sedan stretches 4440 mm long with a 2720 mm wheelbase, while the hatchback variant extends to 4710 mm for added versatility. Sleek LED headlights sweep into a wide grille, and available 18-inch alloys enhance its sporty stance on roads from city streets to highways.

Powertrain Options

Drivers choose between efficiency and thrill with two engines. The base 2.0-liter four-cylinder delivers 147 horsepower and 132 lb-ft of torque through a CVT, ideal for commuting with up to 36 mpg highway. Opt for the 1.6-liter turbo in GT-Line trims for 190 hp and 195 lb-ft, paired to an eight-speed automatic that hits 0-60 mph in under eight seconds.

Key Specifications Comparison

Trim/Engine	Horsepower	Torque (lb-ft)	Transmission	MPG (City/Hwy)	Base Price (est.)
LX 2.0L	147	132	CVT	26/36	$24,000
GT-Line 1.6T	190	195	8-speed Auto	26/36	$29,000
Hatchback Base	147	132	CVT	29/35	$25,000

Spacious, Tech-Rich Interior

Step inside the K4, and class-leading rear legroom surprises in a compact package—over 38 inches for adults. Dual 12.3-inch panoramic displays dominate the dash, running wireless Apple CarPlay, Android Auto, and over-the-air updates. Premium touches like heated/ventilated SynTex seats, a Harman Kardon audio system, and an ultra-wide sunroof elevate higher trims for long hauls or family trips.

Advanced Safety Suite

Kia equips every K4 with up to 29 driver aids, including forward collision avoidance that scans for cars, pedestrians, and cyclists. Lane-keeping assist and blind-spot monitoring work seamlessly, while Highway Driving Assist handles adaptive cruise on freeways. Rear cross-traffic alert simplifies parking, earning top safety nods in early tests.

Release and Availability

Dealers began receiving 2026 K4 sedans late last year, with hatchbacks rolling out through early 2026. Pricing starts around $24,000 for the LX sedan, climbing to $29,265 for loaded GT-Line models before options. Hybrid variants may join later in the year, expanding choices amid rising fuel costs.

Why Choose the K4

The K4 stands out by packing premium features into an affordable shell, outpacing rivals like the Civic or Corolla in rear space and turbo punch. Its hatchback option adds cargo flexibility—up to 59 cubic feet with seats folded—making it a smart pick for urban adventurers or growing families. Test drive one soon to feel the difference.

FAQs

When does the 2026 Kia K4 go on sale? Late 2025 for sedans, early 2026 for hatchbacks.

What engines power the K4? 2.0L (147 hp) or 1.6L turbo (190 hp).

Is the interior roomy? Yes, with class-leading rear legroom and dual 12.3-inch screens.