BMW Z4 vs MG Cyberster
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.
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Price Breakdown
The BMW Z4 starts from $99,200 before on-road costs, while the MG Cyberster opens at $99,900. 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 $109,120 and $109,890 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.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Charging Times
How long each takes to charge — from a household power point to ultra-rapid DC — estimated from battery size and max charge rates.
How long to charge
74kWh usablePublic DC
50kW charger · 0–80%
Ultra-rapid DC
up to 144kW · 0–80%
Estimates from usable battery size and the car's max charge rates (7kW AC, 144kW DC). Real times vary with temperature, starting charge, charger output and the charging curve.
Feature Showdown
The BMW Z4 features a 10.3-inch touchscreen paired with a 12.3-inch digital dash, while the MG Cyberster gets a 7-inch display and 10.3-inch instruments. Apple CarPlay and Android Auto are standard across both.
The BMW Z4 stands out with wireless Apple CarPlay/Android Auto that you will not find on the MG Cyberster. The MG Cyberster counters with Apple CarPlay, head-up display and Bose audio. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The BMW Z4 uses a Petrol producing 145kW and 320Nm of torque, sent through a auto to a RWD layout. It covers the 0-100km/h sprint in 6.6 seconds.
The MG Cyberster responds with a Electric Motor making 375kW and 725Nm, paired to a automatic driving all four wheels. It gets to 100km/h in 3.2 seconds.
The MG Cyberster has the clear power advantage at 375kW vs 145kW. In the real-world sprint, the MG Cyberster is 3.4s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The BMW Z4 measures 4,324mm long on a 2,470mm wheelbase, 211mm shorter than the MG Cyberster at 4,535mm (2,690mm wheelbase). The longer wheelbase on the MG Cyberster generally means more rear legroom.
Boot space is 281L in the BMW Z4 and 249L in the MG Cyberster, giving the BMW Z4 a 32L advantage.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.0m diameter
Good
Based on 11.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
Interactive simulator — U-turns, parking & towing
Turning Circle
Kerb-to-kerb diameter. Smaller turns are easier in tight carparks and U-turns.
Good
Needs a 3-point turn (one reverse)
Needs about 9.8 m to swing round without stopping. Road is 9.0 m.
U-turn on a wide street
≥ 10 m — clears in one
U-turn on a standard street
7 m — 3-point turn
Standard parking bay
1.9 m wide — fits with room
Tight carpark aisle
6 m — swings in
Narrow laneway
3.5 m — no room to turn
Turning circle ratings
Standard widths: AU local streets carry ~5.5–7 m of carriageway; main roads ~9–12 m. AS 2890.1 carpark aisles are ~5.8–6.6 m for 90° bays (2.6 m wide × 5.4 m deep).
Road, aisle, swing and off-tracking figures are indicative estimates from the published turning circle. Verify in person before relying on them.
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 (BMW Z4) vs 10 years / 250,000km (MG Cyberster). The MG Cyberster has longer coverage.
Who Should Buy Which?
Buy the BMW Z4 if: You want the lower entry price, need more boot space, or prefer BMW's approach to design and ownership experience.
Buy the MG Cyberster if: You prioritise performance, value a longer warranty, or prefer MG's approach to design and ownership experience.
The Verdict
The MG Cyberster takes 3 of 5 key spec categories. If boot space matters, the BMW Z4 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.
Common questions
Which is cheapest, BMW Z4 and MG Cyberster?
The BMW Z4 is the cheapest at $99,200 before on-road costs. That undercuts the MG Cyberster by $700.
Which is the most fuel-efficient?
The BMW Z4 uses the least fuel at 6.5L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of BMW Z4 and MG Cyberster carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The BMW Z4 has the largest boot at 281L.
Which has the best warranty?
The MG Cyberster has the longest warranty at 10 years / 250k km.
Which is the most powerful?
The MG Cyberster makes the most power at 375kW. The MG Cyberster is quickest to 100km/h in 3.2s.
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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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