Kia K4 vs Toyota Yaris
A detailed look at how two of Australia's most popular Hatchbacks compare on price, running costs, safety, and everyday livability.
Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.
Price Breakdown
The Kia K4 starts from $32,090 before on-road costs, while the Toyota Yaris opens at $22,990. That makes the Toyota Yaris the more affordable entry point by $9,100.
Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $35,299 and $25,289 respectively.
Over 5 years, the running costs favour the Toyota Yaris by roughly $3,135 in fuel alone.
Safety Rundown
The Toyota Yaris holds a 5-star ANCAP rating vs 4 stars for the Kia K4. Adult occupant protection scored 85% for the Kia K4 and 86% for the Toyota Yaris.
Where the two diverge is in active safety technology. Both models are evenly matched with 5 out of 10 key ADAS systems.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 6 in the Kia K4 and 7 in the Toyota Yaris.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
Drivetrain
The Kia K4 uses a Petrol producing 110kW and 180Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 9.8 seconds.
The Toyota Yaris responds with a Petrol making 85kW and 141Nm, paired to a automatic driving the front wheels. It gets to 100km/h in 9.8 seconds.
The Kia K4 has the clear power advantage at 110kW vs 85kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Kia K4 measures 4,440mm long on a 2,720mm wheelbase, 500mm longer than the Toyota Yaris at 3,940mm (2,550mm wheelbase). The longer wheelbase on the Kia K4 generally means more rear legroom.
Boot space is 428L in the Kia K4 and 270L in the Toyota Yaris, giving the Kia K4 a 158L advantage.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
9.8m diameter
Excellent
Based on 9.8m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $1,710/year for the Kia K4 and $1,083/year for the Toyota Yaris. That is a $627 annual difference in favour of the Toyota Yaris.
Estimated annual total: $1,710 (Kia K4) vs $1,083 (Toyota Yaris). The Toyota Yaris saves you roughly $627 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 7 years / 999,999km (Kia K4) vs 5 years / 999,999km (Toyota Yaris). The Kia K4 has longer coverage.
Who Should Buy Which?
Buy the Kia K4 if: You prioritise performance, need more boot space, value a longer warranty, or prefer Kia's approach to design and ownership experience.
Buy the Toyota Yaris if: You want the lower entry price, want lower running costs, or prefer Toyota's approach to design and ownership experience.
The Verdict
The Kia K4 takes 4 of 7 key spec categories. The Toyota Yaris will save you roughly $627 a year in fuel. If boot space matters, the Kia K4 has a clear edge. The Kia K4 adds peace of mind with a longer 7-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.
Published by CarSorted Editorial Team · 20 April 2026
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