BYD Atto 1 vs Kia K4
A detailed look at how two of Australia's most popular cars 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.
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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 currently qualifies for the electric-vehicle FBT exemption, which can dramatically reduce the effective cost for novated lease buyers. The Kia K4 does not: only battery-electric vehicles qualify.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Charging Times
How long each takes to charge, from a household power point to ultra-rapid DC, estimated from battery size and max charge rates.
How long to charge
30kWh usablePublic DC
50kW charger · 0–80%
Ultra-rapid DC
up to 65kW · 0–80%
Estimates from usable battery size and the car's max charge rates (7kW AC, 65kW DC). Real times vary with temperature, starting charge, charger output and the charging curve.
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 — features our data doesn't list for 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, 720mm shorter than the Kia K4 at 4,710mm (2,720mm wheelbase). The longer wheelbase on the Kia K4 generally means more rear legroom.
Boot space is 308L in the BYD Atto 1 and 508L in the Kia K4, giving the Kia K4 a 200L 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
Compare U-turns side by side
Turning Circle · U-turn compare
kerb-to-kerb, 2 cars0 of 2 clear a 7.0 m street in one sweep
Green cars complete the U-turn; amber need a 3-point turn. Drag the slider to test tighter streets.
Standard widths: AU local streets ~5.5–7 m; main roads ~9–12 m.
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, or prefer BYD's approach to design and ownership experience.
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.
The Verdict
The Kia K4 takes 5 of 6 key spec categories. 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.
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?
They are evenly matched — BYD Atto 1 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Kia K4 has the largest boot at 508L.
Which can tow the most?
The Kia K4 has the highest braked towing capacity at 1,100kg.
Which has the best warranty?
The Kia K4 has the longest warranty at 7 years / Unlimited.
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.
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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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