Hyundai i30 Sedan vs Mazda Mazda3
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.
Data checked: specs 12 Sep 2026, price 5 Oct 2026
Hyundai i30 Sedan: we're still completing kerb weight, seat count, 0-100km/h and warranty.
A blank cell below means we don't have that figure, not that the car scores badly on it. We leave them empty rather than estimate, so any row where one car is blank isn't a like-for-like comparison yet.
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Price Breakdown
The Hyundai i30 Sedan starts from $30,000 before on-road costs, while the Mazda Mazda3 opens at $26,490. That makes the Mazda Mazda3 the more affordable entry point by $3,510.
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 $33,000 and $29,139 respectively.
Over 5 years, the running costs are nearly identical since both have similar efficiency.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Recalls on our record
Hyundai i30 Sedan
- REC-006714 · published 1 Sep 2026Due to a software issue, the hybrid power control unit could overheat during vehicle operation.Year range on the notice: 2023 - 2026
- REC-006244 · published 17 Jan 2025Due to a manufacturing defect, the fuel control valve in the high-Pressure fuel pump could allow excess fuel to enter the pump.Year range on the notice: 2020 - 2023
- REC-005978 · published 6 Jun 2024The Exhaust Gas Recirculation (EGR) valve sensor may have been exposed to soldering flux contamination during manufacture.Year range on the notice: 2024
- 3 more on the model page.
Mazda Mazda3
- REC-005733 · published 1 Aug 2023Due to a manufacturing defect, the rear-view camera wiring harness may become damaged and could cause the rear-view image to become distorted or flicker.Year range on the notice: 2013 - 2020
- REC-005009 · published 2 Dec 2021The low pressure fuel pump impeller may become deformed and cause the fuel pump to stop working.Year range on the notice: 2017 - 2019
- REC-000896 · published 9 Jan 2020The Smart Brake Support (SBS) system may falsely detect an object in front of the vehicle, which may initiate the automatic brake function.Year range on the notice: 2019
- 8 more on the model page.
A recall covers the builds its notice lists, not every car of a model. Check your VIN at vehiclerecalls.gov.au.
Feature Showdown
The Hyundai i30 Sedan features a 8-inch touchscreen paired with a 4.2-inch digital dash, while the Mazda Mazda3 gets a 8.8-inch display and 7-inch instruments. Apple CarPlay and Android Auto are standard across both.
The Hyundai i30 Sedan stands out with wireless charging — features our data doesn't list for the Mazda Mazda3. The Mazda Mazda3 counters with head-up display. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Hyundai i30 Sedan lines up producing 110kW and 180Nm of torque, sent through a smartstream ivt (intelligent variable transmission) to a FWD layout.
The Mazda Mazda3 responds with a 2.0 litre in-line 4 cylinder 16 valve DOHC S-VT petrol with i-stop and cylinder deactivation making 114kW and 200Nm, paired to a 6-speed automatic (skyactiv-drive) driving the front wheels.
The Mazda Mazda3 has the clear power advantage at 114kW vs 110kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Hyundai i30 Sedan measures 4,710mm long on a 2,720mm wheelbase, 250mm longer than the Mazda Mazda3 at 4,460mm (2,725mm wheelbase). The longer wheelbase on the Mazda Mazda3 generally means more rear legroom.
Boot space is 474L in the Hyundai i30 Sedan and 295L in the Mazda Mazda3, giving the Hyundai i30 Sedan a 179L advantage.
For towing, the Mazda Mazda3 leads with a 1,200kg braked capacity vs 1,100kg. That 100kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.6m to 10.8m
Based on 10.8m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 10.6m 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
Based on 15,000km of annual driving, fuel costs roughly $1,739/year for the Hyundai i30 Sedan and $1,682/year for the Mazda Mazda3. That is a $57 annual difference in favour of the Mazda Mazda3.
Who Should Buy Which?
Buy the Hyundai i30 Sedan if: You need more boot space, or prefer Hyundai's approach to design and ownership experience.
Buy the Mazda Mazda3 if: You want the lower entry price, prioritise performance, want lower running costs, need stronger towing, or prefer Mazda's approach to design and ownership experience.
The Verdict
Mazda Mazda3: Top CarSorted Score, 66 vs 57
The Mazda Mazda3 comes out ahead on the CarSorted Score (66 vs 57), taking 4 of 5 key spec rows below and coming in at a lower price. The deciding gaps: technology (Mazda Mazda3 ahead by 17), reliability (Mazda Mazda3 ahead by 17), value (Mazda Mazda3 ahead by 15). The Mazda Mazda3 will save you roughly $57 a year in fuel. If boot space matters, the Hyundai i30 Sedan has a clear edge. The best pick depends on what you value most. Explore the full specs for each model below.
One enquiry, local dealers' best price on each. Free for you to use. If you buy, the dealer may pay us a commission.
Common questions
Which is cheapest, Hyundai i30 Sedan and Mazda Mazda3?
The Mazda Mazda3 is the cheapest at $26,490 before on-road costs. That undercuts the Hyundai i30 Sedan by $3,510.
Which is the most fuel-efficient?
The Mazda Mazda3 uses the least fuel at 5.9L/100km on the combined cycle.
What are the ANCAP safety ratings?
Hyundai i30 Sedan holds a 3-star ANCAP rating. We have no published ANCAP rating for Mazda Mazda3, so there is nothing to compare on crash performance. Compare the active-safety features above instead.
Which has the most boot space?
The Hyundai i30 Sedan has the largest boot at 474L with the seats up.
Which can tow the most?
The Mazda Mazda3 has the highest braked towing capacity at 1,200kg.
Which is the most powerful?
The Mazda Mazda3 makes the most power at 114kW.
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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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