MG MG3 vs Renault Megane R.S.
A detailed look at how two of Australia's most popular Hatchs 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.
MG MG3
From $20,990
Hatch
Petrol
Petrol
81kW
6 L/100km
4★ ANCAP
293L
Renault Megane R.S.
Price TBC
Hatch
Petrol
F4R M 874 2.0L turbo petrol
201kW
7.5 L/100km
5★ ANCAP
344L
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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
The Renault Megane R.S. holds a 5-star ANCAP rating vs 4 stars for the MG MG3.
Where the two diverge is in active safety technology. The MG MG3 packs more ADAS features with 5 out of 10 key systems fitted, compared to 0 in the Renault Megane R.S..
Both include the essentials: core safety systems.
Feature Showdown
Both come with modern infotainment systems.
The MG MG3 stands out with Apple CarPlay and power tailgate that you will not find on the Renault Megane R.S.. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The MG MG3 uses a Petrol producing 81kW and 142Nm of torque, sent through a cvt to a FWD layout. It covers the 0-100km/h sprint in 10.8 seconds.
The Renault Megane R.S. responds with a F4R M 874 2.0L turbo petrol making 201kW and 360Nm, paired to a 6-speed manual driving the front wheels. It gets to 100km/h in 6 seconds.
The Renault Megane R.S. has the clear power advantage at 201kW vs 81kW. In the real-world sprint, the Renault Megane R.S. is 4.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The MG MG3 measures 4,113mm long on a 2,570mm wheelbase, 186mm shorter than the Renault Megane R.S. at 4,299mm (2,636mm wheelbase). The longer wheelbase on the Renault Megane R.S. generally means more rear legroom.
Boot space is 293L in the MG MG3 and 344L in the Renault Megane R.S., giving the Renault Megane R.S. a 51L advantage.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.2m to 11.1m
Based on 10.2m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.1m 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 $1,710/year for the MG MG3 and $2,138/year for the Renault Megane R.S.. That is a $428 annual difference in favour of the MG MG3.
Estimated annual total: $1,710 (MG MG3) vs $2,138 (Renault Megane R.S.). The MG MG3 saves you roughly $428 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 10 years / 250,000km (MG MG3) vs 5 years / 999,999km (Renault Megane R.S.). The MG MG3 has longer coverage.
Who Should Buy Which?
Buy the MG MG3 if: You want lower running costs, value a longer warranty, or prefer MG's approach to design and ownership experience.
Buy the Renault Megane R.S. if: You prioritise performance, need more boot space, or prefer Renault's approach to design and ownership experience.
The Verdict
The Renault Megane R.S. takes 4 of 6 key spec categories. The MG MG3 will save you roughly $428 a year in fuel. If boot space matters, the Renault Megane R.S. has a clear edge. The MG MG3 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, MG MG3 and Renault Megane R.S.?
The MG MG3 is the cheapest at $20,990 before on-road costs.
Which is the most fuel-efficient?
The MG MG3 uses the least fuel at 6L/100km on the combined cycle.
Which is safest?
The Renault Megane R.S. has the highest ANCAP rating at 5 stars.
Which has the most boot space?
The Renault Megane R.S. has the largest boot at 344L.
Which has the best warranty?
The MG MG3 has the longest warranty at 10 years / 250k km.
Which is the most powerful?
The Renault Megane R.S. makes the most power at 201kW. The Renault Megane R.S. is quickest to 100km/h in 6s.
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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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