Mazda Mazda3 vs MG MG4
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.
Price Breakdown
The Mazda Mazda3 starts from $26,490 before on-road costs, while the MG MG4 opens at $37,990. That makes the Mazda Mazda3 the more affordable entry point by $11,500.
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 $29,139 and $41,789 respectively.
The MG MG4 qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The Mazda Mazda3, as a petrol model, does not qualify.
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
The Mazda Mazda3 features a 8.8-inch touchscreen paired with a 7-inch digital dash, while the MG MG4 gets a 10.3-inch display and 7-inch instruments. Apple CarPlay and Android Auto are standard across both.
The MG MG4 counters with power tailgate that the Mazda Mazda3 does not offer. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Mazda Mazda3 uses a Petrol producing 114kW and 200Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 9.7 seconds.
The MG MG4 responds with a Electric making 125kW and 250Nm, paired to a auto driving the rear wheels. It gets to 100km/h in 7.9 seconds.
The MG MG4 has the clear power advantage at 125kW vs 114kW. In the real-world sprint, the MG MG4 is 1.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Mazda Mazda3 measures 4,460mm long on a 2,726mm wheelbase, 173mm longer than the MG MG4 at 4,287mm (2,705mm wheelbase). The longer wheelbase on the Mazda Mazda3 generally means more rear legroom.
Boot space is 295L in the Mazda Mazda3 and 363L in the MG MG4, giving the MG MG4 a 68L advantage.
For towing, the MG MG4 leads with a 1,500kg braked capacity vs 1,000kg. That 500kg 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 10.6m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 10.8m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Running cost data is not yet available for both models. We will update when figures are confirmed.
Warranty: 5 years / 999,999km (Mazda Mazda3) vs 10 years / 250,000km (MG MG4). The MG MG4 has longer coverage.
Who Should Buy Which?
Buy the Mazda Mazda3 if: You want the lower entry price, or prefer Mazda's approach to design and ownership experience.
Buy the MG MG4 if: You prioritise performance, need more boot space, value a longer warranty, need stronger towing, or prefer MG's approach to design and ownership experience.
The Verdict
The MG MG4 takes 5 of 6 key spec categories. If boot space matters, the MG MG4 has a clear edge. The MG MG4 adds peace of mind with a longer 10-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 Mazda3 and MG MG4?
The Mazda Mazda3 is the cheapest at $26,490 before on-road costs. That undercuts the MG MG4 by $11,500.
Which is the most fuel-efficient?
The Mazda Mazda3 uses the least fuel at 3.8L/100km on the combined cycle.
Which is safest?
They are evenly matched — MG MG4 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The MG MG4 has the largest boot at 363L.
Which can tow the most?
The MG MG4 has the highest braked towing capacity at 1,500kg.
Which has the best warranty?
The MG MG4 has the longest warranty at 10 years / 250k km.
Which is the most powerful?
The MG MG4 makes the most power at 125kW. The MG MG4 is quickest to 100km/h in 7.9s.
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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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