The replacement for Kia’s long-running Cerato small car has finally arrived and it’s a pricier offering than before.
But the new K4 small sedan adds a number of features over the outgoing Cerato that arrived in mid-2018, including updated powertrains, more safety and multimedia tech, comfort features, a new platform and design.
The newly named K4 will face off with the segment-leading Toyota Corolla, as well as the Mazda3 and the related Hyundai i30 Sedan, and the budget focussed MG5.
Only the sedan is available from launch, with the hatchback expected late in 2025. Spec and pricing for the hatch will be revealed closer to launch, according to Kia.
The model grades are much the same as before, with the exception of the GT that has been renamed GT-Line, in line with other Kia models, and likely reflective of the detuned version of the warmed-up GT’s turbo engine.
So, how much is the 2025 Kia K4 sedan?

It kicks off in base S guise from $30,590 before on-road costs, which represents a $3530 increase over the previous base grade.
The Sport and Sport+ are are also up in price, as is the GT-Line which at $42,990 cops the biggest hike, up $6130 over the old GT.

Pricing for the Mazda3 sedan runs from $30,470 to $42,470, the Corolla is $32,320 to $40,260 and the i30 Sedan is $29,000 to $41,500 - all before on-road costs.
All grades except the GT–Line come with Kia’s existing 2.0-litre four-cylinder naturally aspirated petrol engine, delivering 112kW and 192Nm, and driving the front wheels via a six-speed torque converter auto.
The GT-Line uses the group’s 1.6-litre four-cylinder turbocharged petrol unit, matched with an eight-speed torque converter auto. With power and torque outputs of 142kW and 264Nm, it is down slightly compared with the outgoing GT’s 150kW/265Nm figures.

As a result, fuel consumption on the combined cycle is down by 0.2L to 6.7 litres per 100 kilometres. The 2.0L unit maintains the Cerato’s fuel use figure of 7.4L/100km.
As well as a sleek new exterior design with a fastback silhouette, the K4 adopts a new platform, and the GT-Line gains multi-link rear suspension where the 2.0L grades use a MacPherson strut front and torsion beam rear setup.

The K4 also benefits from an “extensive” ride and handling development program to ensure it is better suited to Australian roads.
In terms of standard gear, the K4 comes with a lengthy safety features list across all grades, including auto emergency braking (AEB), adaptive cruise control with stop & go functionality, lane keep assist, lane follow assist, multi-collision braking, ‘Blind-Spot Collision-Avoidance Assist’, driver attention warning, ‘Intelligent Speed Limit Assist’, a front centre airbag and more.

A Safety Pack can be added to the S for $2100 and that adds a 12.3-inch instrument display, a 5.0-inch air-con display, dual-zone climate control and an expanded AEB system with junction turning and crossing and direct/oncoming lane change detection.
While the S comes with a 4.0-inch LCD driver’s instrument cluster, it does get a 12.3-inch multimedia screen (along with all other grades), over-the-air updates, wireless Apple CarPlay and Android Auto connectivity, rear-seat air vents and USB-C ports, digital radio, and customisable driver profiles and manual air conditioning.

Each subsequent grade adds more kit, and the flagship GT-Line gains the most, including a premium Harman/Kardon eight-speaker audio system, a three-spoke premium steering wheel, artificial leather seats, eight-way power driver’s seat, paddle shifters, ambient lighting, heated steering wheel and a wireless charging pad.
The boot can take 508 litres of cargo, more than the model it replaces, and its dimensions are longer, wider and lower than the Cerato sedan.
The 2025 Kia K4 sedan is on sale from late January. Keep an eye on CarsGuide.com.au in late January for our first impressions of the new Kia K4.
2025 Kia K4 pricing
Prices listed are before on-road costs
Variant | Price |
K4 S | $30,590 (+$3530) |
K4 Sport | $35,190 (+$6030) |
K4 Sport+ | $37.590 (+$5380) |
K4 GT-Line | $42,990 (+$6130) |