Audi A7 vs BMW Z4
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.
Price Breakdown
The Audi A7 starts from $144,200 before on-road costs, while the BMW Z4 opens at $99,200. That makes the BMW Z4 the more affordable entry point by $45,000.
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 $158,620 and $109,120 respectively.
Over 5 years, the running costs favour the Audi A7 by roughly $1,140 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 Audi A7 features a 10.1-inch touchscreen, while the BMW Z4 gets a 10.3-inch display. Apple CarPlay and Android Auto are standard across both.
The Audi A7 stands out with head-up display, wireless charging, panoramic roof, heated front seats, ventilated seats, power tailgate, Bang & Olufsen audio and ambient lighting that you will not find on the BMW Z4. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Audi A7 uses a Petrol MHEV producing 250kW and 500Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 5.7 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 Audi A7 has the clear power advantage at 250kW vs 145kW. In the real-world sprint, the BMW Z4 is 0.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Audi A7 measures 4,969mm long on a 2,926mm wheelbase, 634mm longer than the BMW Z4 at 4,335mm (2,470mm wheelbase). The longer wheelbase on the Audi A7 generally means more rear legroom.
Boot space is 535L in the Audi A7 and 210L in the BMW Z4, giving the Audi A7 a 325L advantage. The Audi A7 seats 5 vs 2.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.6m to 11.7m
Based on 11.7m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
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 $1,995/year for the Audi A7 and $2,223/year for the BMW Z4. That is a $228 annual difference in favour of the Audi A7.
Estimated annual total: $1,995 (Audi A7) vs $2,223 (BMW Z4). The Audi A7 saves you roughly $228 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Audi A7) vs 5 years / 999,999km (BMW Z4). Both match on warranty length.
Who Should Buy Which?
Buy the Audi A7 if: You prioritise performance, need more boot space, want lower running costs, or prefer Audi'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 Audi A7 takes 4 of 6 key spec categories. The Audi A7 will save you roughly $228 a year in fuel. If boot space matters, the Audi A7 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, Audi A7 and BMW Z4?
The BMW Z4 is the cheapest at $99,200 before on-road costs. That undercuts the Audi A7 by $45,000.
Which is the most fuel-efficient?
The Audi A7 uses the least fuel at 7L/100km on the combined cycle.
Which is safest?
They are evenly matched — Audi A7 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Audi A7 has the largest boot at 535L.
Which can tow the most?
The Audi A7 has the highest braked towing capacity at 2,500kg.
Which is the most powerful?
The Audi A7 makes the most power at 250kW. The BMW Z4 is quickest to 100km/h in 5.4s.
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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