Alfa Romeo Giulietta vs Mazda Mazda3
A detailed look at how two of Australia's most popular Hatchbacks 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.
Alfa Romeo Giulietta
Price TBC
Hatchback
Petrol
1.4L TB MultiAir turbo petrol
125kW
5.8 L/100km
5★ ANCAP
350L
Mazda Mazda3
From $26,490
Hatchback
Petrol
2.0 litre in-line 4 cylinder 16 valve DOHC S-VT petrol with i-stop and cylinder deactivation
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.
The Mazda Mazda3 counters with Apple CarPlay and head-up display that the Alfa Romeo Giulietta does not offer. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Alfa Romeo Giulietta uses a 1.4L TB MultiAir turbo petrol producing 125kW and 250Nm of torque, sent through a 6-speed manual to a FWD layout. It covers the 0-100km/h sprint in 7.8 seconds.
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. It gets to 100km/h in 9.7 seconds.
The Alfa Romeo Giulietta has the clear power advantage at 125kW vs 114kW. In the real-world sprint, the Alfa Romeo Giulietta is 1.9s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Alfa Romeo Giulietta measures 4,351mm long on a 2,634mm wheelbase, 109mm shorter 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 350L in the Alfa Romeo Giulietta and 295L in the Mazda Mazda3, giving the Alfa Romeo Giulietta a 55L advantage.
For towing, the Alfa Romeo Giulietta leads with a 1,300kg braked capacity vs 1,200kg. 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 10.9m
Based on 10.9m 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 $1,653/year for the Alfa Romeo Giulietta and $1,682/year for the Mazda Mazda3. That is a $29 annual difference in favour of the Alfa Romeo Giulietta.
Estimated annual total: $1,653 (Alfa Romeo Giulietta) vs $1,682 (Mazda Mazda3). The Alfa Romeo Giulietta saves you roughly $29 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 3 years / 150,000km (Alfa Romeo Giulietta) vs 5 years / 999,999km (Mazda Mazda3). The Mazda Mazda3 has longer coverage.
Who Should Buy Which?
Buy the Alfa Romeo Giulietta if: You prioritise performance, need more boot space, want lower running costs, need stronger towing, or prefer Alfa Romeo's approach to design and ownership experience.
Buy the Mazda Mazda3 if: You value a longer warranty, or prefer Mazda's approach to design and ownership experience.
The Verdict
The Alfa Romeo Giulietta takes 5 of 6 key spec categories. The Alfa Romeo Giulietta will save you roughly $29 a year in fuel. If boot space matters, the Alfa Romeo Giulietta has a clear edge. The Mazda Mazda3 adds peace of mind with a longer 5-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Alfa Romeo Giulietta and Mazda Mazda3?
The Mazda Mazda3 is the cheapest at $26,490 before on-road costs.
Which is the most fuel-efficient?
The Alfa Romeo Giulietta uses the least fuel at 5.8L/100km on the combined cycle.
Which is safest?
They are evenly matched — Alfa Romeo Giulietta all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Alfa Romeo Giulietta has the largest boot at 350L.
Which can tow the most?
The Alfa Romeo Giulietta has the highest braked towing capacity at 1,300kg.
Which has the best warranty?
The Mazda Mazda3 has the longest warranty at 5 years / Unlimited.
Which is the most powerful?
The Alfa Romeo Giulietta makes the most power at 125kW. The Alfa Romeo Giulietta is quickest to 100km/h in 7.8s.
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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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