Kia is preparing to expand its small car line-up in Australia with the 2026 K4 hatchback, following the earlier release of the four-door sedan.

The K4 hatchback is approaching its Australian launch, with the five-door body style set to join the four-door sedan released earlier in 2025.

Due in Kia showrooms in November, the K4 hatchback will complete the small car line-up in Australia, at least until a hybrid version is introduced globally. The sedan will also receive updates for Model Year 2026 (MY26).

For MY26, the K4 S, Sport, and Sport+ variants will adopt a more efficient, though slightly less powerful, Atkinson Cycle version of the 2.0-litre engine shared with the Seltos, Hyundai i30 Sedan, and Hyundai Kona.

This engine is paired with a continuously variable transmission (CVT) instead of the current six-speed torque-converter automatic, with the objective of reducing fuel consumption and, under the New Vehicle Efficiency Standard (NVES), lowering emissions.

The updated 2.0-litre engine is rated at 110 kW and 180 Nm, down from 112 kW and 192 Nm, while combined fuel consumption is expected to fall from 7.4-litre /100 km to the low-to-mid sixes, representing a reduction of at least 10%.

A Kia Australia spokesperson indicated that the updated 2026 K4 sedan could launch shortly after the hatchback's arrival in November, although local customer deliveries are still expected before the end of the year.

Although the K4 hatch was unveiled alongside the sedan at the 2024 New York Motor Show, it is launching later, with U.S. deliveries anticipated in late 2025, coinciding with the Australian launch, despite the shorter distance from its Mexican production facility.

In GT-Line specification, the hatch measures 4,440 mm in length, 1,450 mm in height, and 1,850 mm in width, with a 2,720 mm wheelbase. It is 70 mm shorter, 10 mm taller, and 50 mm wider than the five-door Cerato GT, with a wheelbase 20 mm longer.

Compared with the K4 sedan, the hatch is 280 mm shorter and 10 mm taller, while all other dimensions remain the same.

The K4, which replaces the Cerato, is expected to receive a hybrid powertrain when it launches in Europe in 2026 as the successor to the Ceed, potentially enabling the hybrid model for Australia, as both vehicles are produced at the same Mexican plant.

In January 2025, Kia Australia product planning manager Roland Rivero stated that a K4 hybrid is expected to become available, noting that several markets, including Europe and Australia, have requested the hybrid version.

Australia will not receive the wagon version of the K4, scheduled to launch in Europe in 2026, as high local SUV demand makes the business case for a Kia-badged wagon unviable.

Pricing and specification details for the 2026 K4 hatch and the updated K4 sedan will be confirmed closer to the Australian launch in November.

Based on the outgoing Cerato line-up, the hatch and sedan are likely to be priced identically, with the K4 range positioned between AUD 30,590 and AUD 42,990 (US$ 20,400-28,700) before on-road costs.

ANCAP has applied a split safety rating to the K4 in Australia: the base S variant receives four stars due to the absence of advanced crash-avoidance features fitted as standard to higher grades, which were awarded five stars.