Hyundai Sonata vs Mazda 6
A detailed look at how two of Australia's most popular Sedans 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.
Hyundai Sonata
From $55,500
Sedan
Petrol
Petrol
213kW
8.1 L/100km
ANCAP: no data
480L
Mazda 6
From $29,740
Sedan
Petrol
2.5 litre in-line 4 cylinder 16 valve DOHC S-VT
125kW
8.4 L/100km
5★ ANCAP
519L
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Price Breakdown
The Hyundai Sonata starts from $55,500 before on-road costs, while the Mazda 6 opens at $29,740. That makes the Mazda 6 the more affordable entry point by $25,760.
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 $61,050 and $32,714 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.
Feature Showdown
Both come with modern infotainment systems.
The Hyundai Sonata stands out with Apple CarPlay, head-up display, wireless charging, panoramic roof, heated front seats, ventilated seats, power tailgate, Bose audio and ambient lighting that you will not find on the Mazda 6. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Hyundai Sonata gets suede & nappa leather upholstery while the Mazda 6 offers cloth. Climate control is 2-zone in the Hyundai Sonata and 1-zone in the Mazda 6.
Drivetrain
The Hyundai Sonata uses a Petrol producing 213kW and 422Nm of torque, sent through a 8-speed wet dual-clutch (dct) to a FWD layout.
The Mazda 6 responds with a 2.5 litre in-line 4 cylinder 16 valve DOHC S-VT making 125kW and 226Nm, paired to a 6-speed manual / 5-speed automatic driving the front wheels.
The Hyundai Sonata has the clear power advantage at 213kW vs 125kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Hyundai Sonata measures 4,910mm long on a 2,840mm wheelbase, 175mm longer than the Mazda 6 at 4,735mm (2,725mm wheelbase). The longer wheelbase on the Hyundai Sonata generally means more rear legroom.
Boot space is 480L in the Hyundai Sonata and 519L in the Mazda 6, giving the Mazda 6 a 39L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.0m to 11.0m
Based on 11.0m 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
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 $2,309/year for the Hyundai Sonata and $2,394/year for the Mazda 6. That is a $85 annual difference in favour of the Hyundai Sonata.
Estimated annual total: $2,309 (Hyundai Sonata) vs $2,394 (Mazda 6). The Hyundai Sonata saves you roughly $85 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 7 years / 999,999km (Hyundai Sonata) vs 3 years (Mazda 6). The Hyundai Sonata has longer coverage.
Who Should Buy Which?
Buy the Hyundai Sonata if: You prioritise performance, want lower running costs, value a longer warranty, or prefer Hyundai's approach to design and ownership experience.
Buy the Mazda 6 if: You want the lower entry price, need more boot space, or prefer Mazda's approach to design and ownership experience.
The Verdict
The Hyundai Sonata takes 3 of 5 key spec categories. The Hyundai Sonata will save you roughly $85 a year in fuel. If boot space matters, the Mazda 6 has a clear edge. The Hyundai Sonata 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, Hyundai Sonata and Mazda 6?
The Mazda 6 is the cheapest at $29,740 before on-road costs. That undercuts the Hyundai Sonata by $25,760.
Which is the most fuel-efficient?
The Hyundai Sonata uses the least fuel at 8.1L/100km on the combined cycle.
Which is safest?
They are evenly matched — Mazda 6 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Mazda 6 has the largest boot at 519L.
Which can tow the most?
The Mazda 6 has the highest braked towing capacity at 1,500kg.
Which has the best warranty?
The Hyundai Sonata has the longest warranty at 7 years / Unlimited.
Which is the most powerful?
The Hyundai Sonata makes the most power at 213kW.
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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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