Porsche 911 vs BMW i7
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 Porsche 911 starts from $248,400 before on-road costs, while the BMW i7 opens at $319,900. That makes the Porsche 911 the more affordable entry point by $71,500.
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 $273,240 and $351,890 respectively.
The BMW i7 qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The Porsche 911, as a petrol model, does not qualify.
Safety Rundown
Both the Porsche 911 and BMW i7 hold a 5-star ANCAP safety rating.
Where the two diverge is in active safety technology. The BMW i7 packs more ADAS features with 8 out of 10 key systems fitted, compared to 0 in the Porsche 911.
Both include the essentials: a reversing camera. The BMW i7 adds a 360-degree camera that the Porsche 911 misses.
Feature Showdown
Both come with modern infotainment systems.
The BMW i7 counters with wireless Apple CarPlay/Android Auto, head-up display, wireless charging, panoramic roof, heated front seats, ventilated seats, power tailgate, Bowers & Wilkins audio and ambient lighting that the Porsche 911 does not offer. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Porsche 911 uses a Petrol producing 290kW and 450Nm of torque, sent through a 8-speed pdk to a RWD layout. It covers the 0-100km/h sprint in 4.1 seconds.
The BMW i7 responds with a Electric making 400kW and 745Nm, paired to a auto driving all four wheels. It gets to 100km/h in 4.7 seconds.
The BMW i7 has the clear power advantage at 400kW vs 290kW. In the real-world sprint, the Porsche 911 is 0.6s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Porsche 911 measures 4,533mm long on a 2,450mm wheelbase, 858mm shorter than the BMW i7 at 5,391mm (3,215mm wheelbase). The longer wheelbase on the BMW i7 generally means more rear legroom.
Boot space is 132L in the Porsche 911 and 500L in the BMW i7, giving the BMW i7 a 368L advantage. The BMW i7 seats 5 vs 4.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
12.5m diameter
Large
Based on 12.5m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Running cost data is not yet available for both models. We will update when figures are confirmed.
Warranty: 3 years / 999,999km (Porsche 911) vs 5 years / 999,999km (BMW i7). The BMW i7 has longer coverage.
Who Should Buy Which?
Buy the Porsche 911 if: You want the lower entry price, or prefer Porsche's approach to design and ownership experience.
Buy the BMW i7 if: You prioritise performance, need more boot space, value a longer warranty, or prefer BMW's approach to design and ownership experience.
The Verdict
The BMW i7 takes 3 of 5 key spec categories. If boot space matters, the BMW i7 has a clear edge. The BMW i7 adds peace of mind with a longer 5-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Porsche 911 and BMW i7?
The Porsche 911 is the cheapest at $248,400 before on-road costs. That undercuts the BMW i7 by $71,500.
Which is the most fuel-efficient?
The Porsche 911 uses the least fuel at 11.1L/100km on the combined cycle.
Which is safest?
They are evenly matched — Porsche 911 and BMW i7 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The BMW i7 has the largest boot at 500L.
Which can tow the most?
The BMW i7 has the highest braked towing capacity at 2,000kg.
Which has the best warranty?
The BMW i7 has the longest warranty at 5 years / 1000k km.
Which is the most powerful?
The BMW i7 makes the most power at 400kW. The Porsche 911 is quickest to 100km/h in 4.1s.
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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