Mazda Mazda2 vs BYD Seal 6
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.
Price Breakdown
The Mazda Mazda2 starts from $22,990 before on-road costs, while the BYD Seal 6 opens at $34,990. That makes the Mazda Mazda2 the more affordable entry point by $12,000.
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 $25,289 and $38,489 respectively.
The BYD Seal 6 qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The Mazda Mazda2, as a petrol model, does not qualify.
Over 5 years, the running costs favour the BYD Seal 6 by roughly $5,055 in fuel alone.
Safety Rundown
The BYD Seal 6 holds a 5-star ANCAP rating vs 4 stars for the Mazda Mazda2. Adult occupant protection scored 98% for the Mazda Mazda2 and 89% for the BYD Seal 6.
Where the two diverge is in active safety technology. The BYD Seal 6 packs more ADAS features with 6 out of 10 key systems fitted, compared to 1 in the Mazda Mazda2.
Both include the essentials: autonomous emergency braking, a reversing camera.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
Drivetrain
The Mazda Mazda2 uses a Petrol producing 81kW and 142Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 10.5 seconds.
The BYD Seal 6 responds with a Petrol Turbo PHEV making 130kW and 210Nm, paired to a 1-speed auto driving the front wheels. It gets to 100km/h in 8.9 seconds.
The BYD Seal 6 has the clear power advantage at 130kW vs 81kW. In the real-world sprint, the BYD Seal 6 is 1.6s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Mazda Mazda2 measures 4,085mm long on a 2,570mm wheelbase, 755mm shorter than the BYD Seal 6 at 4,840mm (2,790mm wheelbase). The longer wheelbase on the BYD Seal 6 generally means more rear legroom.
Boot space is 270L in the Mazda Mazda2 and 491L in the BYD Seal 6, giving the BYD Seal 6 a 221L advantage.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.4m to 11.0m
Based on 10.4m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.0m 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 $1,083/year for the Mazda Mazda2 and $72/year for the BYD Seal 6. That is a $1,011 annual difference in favour of the BYD Seal 6.
Estimated annual total: $1,083 (Mazda Mazda2) vs $72 (BYD Seal 6). The BYD Seal 6 saves you roughly $1,011 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Mazda Mazda2) vs 6 years / 150,000km (BYD Seal 6). The BYD Seal 6 has longer coverage.
Who Should Buy Which?
Buy the Mazda Mazda2 if: You want the lower entry price, or prefer Mazda's approach to design and ownership experience.
Buy the BYD Seal 6 if: You prioritise performance, need more boot space, want lower running costs, value a longer warranty, or prefer BYD's approach to design and ownership experience.
The Verdict
The BYD Seal 6 takes 6 of 7 key spec categories. The BYD Seal 6 will save you roughly $1,011 a year in fuel. If boot space matters, the BYD Seal 6 has a clear edge. The BYD Seal 6 adds peace of mind with a longer 6-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Mazda Mazda2 and BYD Seal 6?
The Mazda Mazda2 is the cheapest at $22,990 before on-road costs. That undercuts the BYD Seal 6 by $12,000.
Which is the most fuel-efficient?
The BYD Seal 6 uses the least fuel at 1.5L/100km on the combined cycle.
Which is safest?
The BYD Seal 6 has the highest ANCAP rating at 5 stars.
Which has the most boot space?
The BYD Seal 6 has the largest boot at 491L.
Which has the best warranty?
The BYD Seal 6 has the longest warranty at 6 years / 150k km.
Which is the most powerful?
The BYD Seal 6 makes the most power at 130kW. The BYD Seal 6 is quickest to 100km/h in 8.9s.
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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