MG Cyberster vs BMW Z4
A detailed look at how two of Australia's most popular Convertibles 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 MG Cyberster starts from $99,900 before on-road costs, while the BMW Z4 opens at $99,200. That makes the BMW Z4 the more affordable entry point by $700.
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 $109,890 and $109,120 respectively.
The MG Cyberster qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The BMW Z4, as a petrol model, does not qualify.
Over 5 years, the running costs favour the MG Cyberster by roughly $7,180 in fuel alone.
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.
The MG Cyberster stands out with Apple CarPlay and head-up display that you will not find on the BMW Z4. The BMW Z4 counters with wireless Apple CarPlay/Android Auto. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The MG Cyberster uses a Electric Motor producing 250kW and 475Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 5.2 seconds.
The BMW Z4 responds with a Petrol making 145kW and 300Nm, paired to a auto driving the rear wheels. It gets to 100km/h in 5.4 seconds.
The MG Cyberster has the clear power advantage at 250kW vs 145kW. In the real-world sprint, the MG Cyberster is 0.2s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The MG Cyberster measures 4,535mm long on a 2,690mm wheelbase, 200mm longer than the BMW Z4 at 4,335mm (2,470mm wheelbase). The longer wheelbase on the MG Cyberster generally means more rear legroom.
Boot space is 249L in the MG Cyberster and 210L in the BMW Z4, giving the MG Cyberster a 39L advantage. The MG Cyberster seats 5 vs 2.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.6m diameter
Good
Based on 10.6m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $787/year for the MG Cyberster and $2,223/year for the BMW Z4. That is a $1,436 annual difference in favour of the MG Cyberster.
Estimated annual total: $787 (MG Cyberster) vs $2,223 (BMW Z4). The MG Cyberster saves you roughly $1,436 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 10 years / 999,999km (MG Cyberster) vs 5 years / 999,999km (BMW Z4). The MG Cyberster has longer coverage.
Who Should Buy Which?
Buy the MG Cyberster if: You prioritise performance, need more boot space, want lower running costs, value a longer warranty, or prefer MG's approach to design and ownership experience.
Buy the BMW Z4 if: You want the lower entry price, or prefer BMW's approach to design and ownership experience.
The Verdict
The MG Cyberster takes 4 of 6 key spec categories. The MG Cyberster will save you roughly $1,436 a year in fuel. If boot space matters, the MG Cyberster has a clear edge. The MG Cyberster 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.
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.
Published by CarSorted Editorial Team · 20 April 2026
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