Audi Q8 e-tron vs Porsche Cayenne Electric
Two electric SUVs 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.
Track the Audi Q8 e-tron & Porsche Cayenne Electric
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Price Breakdown
The Audi Q8 e-tron starts from $140,600 before on-road costs, while the Porsche Cayenne Electric opens at $167,800. That makes the Audi Q8 e-tron the more affordable entry point by $27,200.
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 $154,660 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
106kWh usablePublic DC
50kW charger · 0–80%
Ultra-rapid DC
up to 170kW · 0–80%
Estimates from usable battery size and the car's max charge rates (22kW AC, 170kW 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 Audi Q8 e-tron stands out with panoramic roof and Bang & Olufsen 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.
Drivetrain
The Audi Q8 e-tron uses a Electric producing 250kW and 664Nm of torque, sent through a single speed to a AWD layout. It covers the 0-100km/h sprint in 6 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 Porsche Cayenne Electric has the clear power advantage at 325kW vs 250kW. In the real-world sprint, the Porsche Cayenne Electric is 1.2s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Battery: 95kWh (Audi Q8 e-tron) vs 113kWh (Porsche Cayenne Electric). DC fast charging peaks at 170kW (Audi Q8 e-tron) vs 390kW (Porsche Cayenne Electric).
Space & Comfort
The Audi Q8 e-tron measures 4,915mm long on a 2,928mm wheelbase, 70mm shorter than the Porsche Cayenne Electric at 4,985mm (3,023mm wheelbase). The longer wheelbase on the Porsche Cayenne Electric generally means more rear legroom.
Boot space is 569L in the Audi Q8 e-tron and 781L in the Porsche Cayenne Electric, giving the Porsche Cayenne Electric a 212L advantage.
For towing, the Porsche Cayenne Electric leads with a 3,500kg braked capacity vs 1,800kg. That 1,700kg 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 11.1 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 (Audi Q8 e-tron) vs 3 years / 999,999km (Porsche Cayenne Electric). The Audi Q8 e-tron has longer coverage.
Who Should Buy Which?
Buy the Audi Q8 e-tron if: You want the lower entry price, value a longer warranty, or prefer Audi's approach to design and ownership experience.
Buy the Porsche Cayenne Electric if: You prioritise performance, need more boot space, need stronger towing, or prefer Porsche's approach to design and ownership experience.
The Verdict
The Porsche Cayenne Electric takes 7 of 9 key spec categories. If boot space matters, the Porsche Cayenne Electric has a clear edge. The Audi Q8 e-tron 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, Audi Q8 e-tron and Porsche Cayenne Electric?
The Audi Q8 e-tron is the cheapest at $140,600 before on-road costs. That undercuts the Porsche Cayenne Electric by $27,200.
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.
Which is safest?
They are evenly matched — Audi Q8 e-tron all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
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 Audi Q8 e-tron has the longest warranty at 5 years / Unlimited.
Which is the most powerful?
The Porsche Cayenne Electric makes the most power at 325kW. The Porsche Cayenne Electric is quickest to 100km/h in 4.8s.
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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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