BMW i7 vs Porsche Cayenne Electric
Two electric cars go head to head. Which EV is the better buy for Australian drivers in 2026?
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 i7 starts from $319,900 before on-road costs, while the Porsche Cayenne Electric opens at $167,800. That makes the Porsche Cayenne Electric the more affordable entry point by $152,100.
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 $351,890 and $184,580 respectively.
Both models qualify for Fringe Benefit Tax (FBT) exemption, which is a significant advantage for salary-sacrificed novated leases. Depending on your tax bracket, this can save $5,000-$15,000+ per year compared to an equivalent ICE vehicle.
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
101.7kWh usablePublic DC
50kW charger · 0–80%
Ultra-rapid DC
up to 195kW · 0–80%
Estimates from usable battery size and the car's max charge rates (11kW AC, 195kW DC). Real times vary with temperature, starting charge, charger output and the charging curve.
How long to charge
113kWh usablePublic DC
50kW charger · 0–80%
Ultra-rapid DC
up to 390kW · 0–80%
Estimates from usable battery size and the car's max charge rates (11kW AC, 390kW DC). Real times vary with temperature, starting charge, charger output and the charging curve.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The BMW i7 stands out with panoramic roof and Bowers & Wilkins audio that you will not find on the Porsche Cayenne Electric. The Porsche Cayenne Electric counters with BOSE audio. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the BMW i7 gets merino leather upholstery while the Porsche Cayenne Electric offers leather. Climate control is 4-zone in the BMW i7 and 2-zone in the Porsche Cayenne Electric.
Drivetrain
The BMW i7 uses a Electric producing 400kW and 745Nm of torque, sent through a auto to a AWD layout. It covers the 0-100km/h sprint in 4.7 seconds.
The Porsche Cayenne Electric responds with a Electric making 325kW and 835Nm, paired to a single-speed automatic driving all four wheels. It gets to 100km/h in 4.8 seconds.
The BMW i7 has the clear power advantage at 400kW vs 325kW. In the real-world sprint, the BMW i7 is 0.1s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Battery: 101.7kWh (BMW i7) vs 113kWh (Porsche Cayenne Electric). DC fast charging peaks at 195kW (BMW i7) vs 390kW (Porsche Cayenne Electric).
Space & Comfort
The BMW i7 measures 5,391mm long on a 3,215mm wheelbase, 406mm longer than the Porsche Cayenne Electric at 4,985mm (3,023mm wheelbase). The longer wheelbase on the BMW i7 generally means more rear legroom.
Boot space is 500L in the BMW i7 and 781L in the Porsche Cayenne Electric, giving the Porsche Cayenne Electric a 281L advantage.
For towing, the Porsche Cayenne Electric leads with a 3,500kg braked capacity vs 2,000kg. That 1,500kg difference matters if you regularly hitch up.
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
Interactive simulator — U-turns, parking & towing
Turning Circle
Kerb-to-kerb diameter. Smaller turns are easier in tight carparks and U-turns.
Large
Needs a 3-point turn (one reverse)
Needs about 10.8 m to swing round without stopping. Road is 9.0 m.
U-turn on a wide street
≥ 10 m — 3-point turn
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 — careful, tight swing
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 i7) vs 3 years / 999,999km (Porsche Cayenne Electric). The BMW i7 has longer coverage.
Who Should Buy Which?
Buy the BMW i7 if: You prioritise performance, value a longer warranty, or prefer BMW's approach to design and ownership experience.
Buy the Porsche Cayenne Electric if: You want the lower entry price, need more boot space, need stronger towing, or prefer Porsche's approach to design and ownership experience.
The Verdict
The Porsche Cayenne Electric takes 6 of 9 key spec categories and comes in at a lower price. If boot space matters, the Porsche Cayenne Electric 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, BMW i7 and Porsche Cayenne Electric?
The Porsche Cayenne Electric is the cheapest at $167,800 before on-road costs. That undercuts the BMW i7 by $152,100.
Which has the longest driving range?
The Porsche Cayenne Electric has the most range at 642km (WLTP).
Which charges fastest?
The Porsche Cayenne Electric accepts the highest DC charging at up to 390kW.
What are the ANCAP safety ratings?
None of BMW i7 and Porsche Cayenne Electric carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Porsche Cayenne Electric has the largest boot at 781L.
Which can tow the most?
The Porsche Cayenne Electric has the highest braked towing capacity at 3,500kg.
Which has the best warranty?
The BMW i7 has the longest warranty at 5 years / Unlimited.
Which is the most powerful?
The BMW i7 makes the most power at 400kW. The BMW i7 is quickest to 100km/h in 4.7s.
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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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