BMW Z4 vs Land Rover Defender 90
A detailed look at how two of Australia's most popular cars 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.

BMW Z4
From $99,200
Convertible
Petrol
Petrol
145kW
6.5 L/100km
ANCAP: no data
281L

Land Rover Defender 90
From $98,400
SUV
Diesel
3.0 i6 Diesel Mild Hybrid
183kW
7.9 L/100km
ANCAP: no data
397L
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Price Breakdown
The BMW Z4 starts from $99,200 before on-road costs, while the Land Rover Defender 90 opens at $98,400. That makes the Land Rover Defender 90 the more affordable entry point by $800.
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 $108,240 respectively.
Over 5 years, the running costs favour the BMW Z4 by roughly $1,995 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
The BMW Z4 features a 10.3-inch touchscreen paired with a 12.3-inch digital dash, while the Land Rover Defender 90 gets a 11.4-inch display and 12.3-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 Land Rover Defender 90. The Land Rover Defender 90 counters with Apple CarPlay, wireless charging and heated front seats. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the BMW Z4 gets vernasca leather upholstery while the Land Rover Defender 90 offers leather. Climate control is 2-zone in the BMW Z4 and 3-zone in the Land Rover Defender 90.
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 Land Rover Defender 90 responds with a 3.0 i6 Diesel Mild Hybrid making 183kW and 570Nm, paired to a 8-speed automatic driving all four wheels. It gets to 100km/h in 8 seconds.
The Land Rover Defender 90 has the clear power advantage at 183kW vs 145kW. In the real-world sprint, the BMW Z4 is 1.4s 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, 1mm longer than the Land Rover Defender 90 at 4,323mm (2,587mm wheelbase). The longer wheelbase on the Land Rover Defender 90 generally means more rear legroom.
Boot space is 281L in the BMW Z4 and 397L in the Land Rover Defender 90, giving the Land Rover Defender 90 a 116L advantage. The Land Rover Defender 90 seats 5 vs 2.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.0m to 11.3m
Based on 11.0m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.3m 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 $1,853/year for the BMW Z4 and $2,252/year for the Land Rover Defender 90. That is a $399 annual difference in favour of the BMW Z4.
Estimated annual total: $1,853 (BMW Z4) vs $2,252 (Land Rover Defender 90). The BMW Z4 saves you roughly $399 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (BMW Z4) vs 5 years / 999,999km (Land Rover Defender 90). Both match on warranty length.
Who Should Buy Which?
Buy the BMW Z4 if: You want lower running costs, or prefer BMW's approach to design and ownership experience.
Buy the Land Rover Defender 90 if: You want the lower entry price, prioritise performance, need more boot space, or prefer Land Rover's approach to design and ownership experience.
The Verdict
The Land Rover Defender 90 takes 4 of 6 key spec categories and comes in at a lower price. The BMW Z4 will save you roughly $399 a year in fuel. If boot space matters, the Land Rover Defender 90 has a clear edge. 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 Land Rover Defender 90?
The Land Rover Defender 90 is the cheapest at $98,400 before on-road costs. That undercuts the BMW Z4 by $800.
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 Land Rover Defender 90 carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Land Rover Defender 90 has the largest boot at 397L.
Which can tow the most?
The Land Rover Defender 90 has the highest braked towing capacity at 3,500kg.
Which is the most powerful?
The Land Rover Defender 90 makes the most power at 183kW. The BMW Z4 is quickest to 100km/h in 6.6s.
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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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