BYD Atto 1 vs Kia K4
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 BYD Atto 1 starts from $23,990 before on-road costs, while the Kia K4 opens at $32,090. That makes the BYD Atto 1 the more affordable entry point by $8,100.
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 $26,389 and $35,299 respectively.
The BYD Atto 1 qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The Kia K4, as a petrol model, does not qualify.
Safety Rundown
The BYD Atto 1 holds a 5-star ANCAP rating vs 4 stars for the Kia K4. Adult occupant protection scored 82% for the BYD Atto 1 and 85% for the Kia K4.
Where the two diverge is in active safety technology. The Kia K4 packs more ADAS features with 5 out of 10 key systems fitted, compared to 3 in the BYD Atto 1.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 6 in the BYD Atto 1 and 6 in the Kia K4.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The BYD Atto 1 stands out with Apple CarPlay that you will not find on the Kia K4. The Kia K4 counters with wireless Apple CarPlay/Android Auto. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the BYD Atto 1 gets synthetic leather upholstery while the Kia K4 offers cloth.
Drivetrain
The BYD Atto 1 uses a Electric producing 65kW and 175Nm of torque, sent through a auto to a FWD layout. It covers the 0-100km/h sprint in 11.1 seconds.
The Kia K4 responds with a Petrol making 110kW and 180Nm, 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 65kW. In the real-world sprint, the Kia K4 is 1.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The BYD Atto 1 measures 3,990mm long on a 2,500mm wheelbase, 450mm shorter than the Kia K4 at 4,440mm (2,720mm wheelbase). The longer wheelbase on the Kia K4 generally means more rear legroom.
Boot space is 440L in the BYD Atto 1 and 428L in the Kia K4, giving the BYD Atto 1 a 12L advantage. The Kia K4 seats 5 vs 4.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.4m to 10.7m
Based on 10.4m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 10.7m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Running cost data is not yet available for both models. We will update when figures are confirmed.
Warranty: 6 years / 150,000km (BYD Atto 1) vs 7 years / 999,999km (Kia K4). The Kia K4 has longer coverage.
Who Should Buy Which?
Buy the BYD Atto 1 if: You want the lower entry price, need more boot space, or prefer BYD's approach to design and ownership experience.
Buy the Kia K4 if: You prioritise performance, value a longer warranty, or prefer Kia's approach to design and ownership experience.
The Verdict
The Kia K4 takes 4 of 7 key spec categories. 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.
Common questions
Which is cheapest, BYD Atto 1 and Kia K4?
The BYD Atto 1 is the cheapest at $23,990 before on-road costs. That undercuts the Kia K4 by $8,100.
Which is the most fuel-efficient?
The Kia K4 uses the least fuel at 6L/100km on the combined cycle.
Which is safest?
The BYD Atto 1 has the highest ANCAP rating at 5 stars.
Which has the most boot space?
The BYD Atto 1 has the largest boot at 440L.
Which can tow the most?
The Kia K4 has the highest braked towing capacity at 1,300kg.
Which has the best warranty?
The Kia K4 has the longest warranty at 7 years / 1000k km.
Which is the most powerful?
The Kia K4 makes the most power at 110kW. The Kia K4 is quickest to 100km/h in 9.8s.
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.
Auto-generated from CarSorted's specification data · 20 April 2026
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