Audi A4 vs Mazda Mazda3
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.
Audi A4
Price TBC
Sedan
Petrol
2.0L TFSI turbo petrol with Audi valvelift
140kW
5.5 L/100km
5★ ANCAP
480L
Mazda Mazda3
From $26,490
Sedan
Petrol
Petrol
114kW
5.9 L/100km
ANCAP: no data
295L
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Price Breakdown
Pricing for one or both models is yet to be confirmed for the Australian market. We will update this comparison when official RRPs are announced.
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. Apple CarPlay and Android Auto are standard across both.
Drivetrain
The Audi A4 uses a 2.0L TFSI turbo petrol with Audi valvelift producing 140kW and 320Nm of torque, sent through a 7-speed s tronic dual-clutch to a FWD layout. It covers the 0-100km/h sprint in 7.3 seconds.
The Mazda Mazda3 responds with a Petrol making 114kW and 200Nm, paired to a automatic driving the front wheels. It gets to 100km/h in 9.7 seconds.
The Audi A4 has the clear power advantage at 140kW vs 114kW. In the real-world sprint, the Audi A4 is 2.4s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Audi A4 measures 4,726mm long on a 2,820mm wheelbase, 266mm longer than the Mazda Mazda3 at 4,460mm (2,725mm wheelbase). The longer wheelbase on the Audi A4 generally means more rear legroom.
Boot space is 480L in the Audi A4 and 295L in the Mazda Mazda3, giving the Audi A4 a 185L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.6m to 11.6m
Based on 11.6m 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 $1,568/year for the Audi A4 and $1,682/year for the Mazda Mazda3. That is a $114 annual difference in favour of the Audi A4.
Estimated annual total: $1,568 (Audi A4) vs $1,682 (Mazda Mazda3). The Audi A4 saves you roughly $114 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Audi A4) vs 5 years / 999,999km (Mazda Mazda3). Both match on warranty length.
Who Should Buy Which?
Buy the Audi A4 if: You prioritise performance, need more boot space, want lower running costs, or prefer Audi's approach to design and ownership experience.
Buy the Mazda Mazda3 if: You or prefer Mazda's approach to design and ownership experience.
The Verdict
The Audi A4 takes 4 of 4 key spec categories. The Audi A4 will save you roughly $114 a year in fuel. If boot space matters, the Audi A4 has a clear edge. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Audi A4 and Mazda Mazda3?
The Mazda Mazda3 is the cheapest at $26,490 before on-road costs.
Which is the most fuel-efficient?
The Audi A4 uses the least fuel at 5.5L/100km on the combined cycle.
Which is safest?
They are evenly matched — Audi A4 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Audi A4 has the largest boot at 480L.
Which can tow the most?
The Mazda Mazda3 has the highest braked towing capacity at 1,200kg.
Which is the most powerful?
The Audi A4 makes the most power at 140kW. The Audi A4 is quickest to 100km/h in 7.3s.
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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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