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Audi Q4 e-tron vs Porsche 911 Convertible comparison

Compare performance (340 HP vs 711 HP), boot space and price (39,600 £ vs 122,400 £ ) at a glance. Find out which car is the better choice for you – Audi Q4 e-tron or Porsche 911 Convertible?

Audi Q4 e-tron vs Porsche 911 Convertible: Key differences

Audi Q4 e-tron

4.9 (2 Reviews)
rate
  • clearly cheaper
  • substantially more trunk space
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Porsche 911 Convertible

  • clearly more power
  • substantially quicker 0–100 km/h
  • markedly lighter
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By Achim Sedelmaier

Here’s where it gets real: The technical differences in detail

Q4 e-tron

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi Q4 e-tron is clearly cheaper – starting at 39,600 £ , while the Porsche 911 Convertible costs 122,400 £ . That’s a price difference of around 82,843 £.

911 Convertible

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Porsche 911 Convertible offers clearly more power – delivering 711 HP compared to 340 HP. That’s roughly 371 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is substantially quicker – completing the sprint in 2.6 s, while the Audi Q4 e-tron takes 5.4 s. That’s about 2.8 s quicker.

Looking at top speed, the Porsche 911 Convertible is considerably faster – reaching 312 km/h, while the Audi Q4 e-tron tops out at 180 km/h. The difference is around 132 km/h.

There’s also a difference in torque: the Porsche 911 Convertible delivers slightly more torque with 800 Nm compared to 679 Nm. That’s about 121 Nm more.

Q4 e-tron

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Audi Q4 e-tron offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is markedly lighter – 1,655 kg compared to 2,035 kg. The difference is around 380 kg.

Looking at boot space, the Audi Q4 e-tron offers substantially more boot space – 535 L compared to 163 L. That’s a difference of about 372 L.

When it comes to payload, the Audi Q4 e-tron carries noticeably more – 515 kg compared to 345 kg. That’s a difference of about 170 kg.

Who wins the race in the data check?

The Audi Q4 e-tron stands well ahead of its rival in the objective data comparison.
This result only shows which model scores more points on paper – not which of the two cars feels right for you.

from £39,600
Q4 e-tron

Audi Q4 e-tron

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 204 - 340 HP
  • Consumption kWh/100km : 15.9 - 17.4 kWh/100km
  • Electric Range : 406 - 554 km
Audi Q4 e-tron
Porsche 911 Convertible

Costs and Consumption

View detailed analysis

Engine and Performance

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Dimensions and Body

View detailed analysis

Audi Q4 e-tron

The Audi Q4 e-tron brings Audi polish into the electric crossover scene, pairing a sleek exterior with a refined, airy interior that makes everyday driving feel distinctly premium. It’s an easy-to-live-with EV that balances comfort and real-world usability with intuitive tech, making it a smart choice for buyers who want electric mobility without giving up Audi character — and yes, it still looks good in the driveway.

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Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Audi Q4 e-tron
Porsche 911 Convertible

Costs and Consumption

Price
39,600 - 58,800 £
Price
122,400 - 244,500 £
Consumption L/100km
-
Consumption L/100km
10.3 - 11.7 L/100km
Consumption kWh/100km
15.9 - 17.4 kWh/100km
Consumption kWh/100km
-
Electric Range
406 - 554 km
Electric Range
-
Battery Capacity
77 kWh
Battery Capacity
-
co2
0 g/km
co2
234 - 265 g/km
Fuel tank capacity
-
Fuel tank capacity
63 L

Dimensions and Body

Body Type
SUV
Body Type
Convertible
Seats
5
Seats
4
Doors
5
Doors
2
Curb weight
2,035 - 2,235 kg
Curb weight
1,655 - 1,900 kg
Trunk capacity
520 - 535 L
Trunk capacity
163 L
Length
4,588 mm
Length
4,542 - 4,553 mm
Width
1,865 mm
Width
1,852 - 1,900 mm
Height
1,614 - 1,632 mm
Height
1,292 - 1,298 mm
Max trunk capacity
1,460 - 1,490 L
Max trunk capacity
-
Payload
505 - 515 kg
Payload
275 - 345 kg

Engine and Performance

Engine Type
Electric
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 340 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
5.4 - 8.1 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
180 km/h
Max Speed
291 - 312 km/h
Torque
310 - 679 Nm
Torque
450 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
150 - 250 kW
Power kW
290 - 523 kW
Engine capacity
-
Engine capacity
2,981 - 3,591 cm3

General

Model Year
2,023 - 2,025
Model Year
2,024 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Audi
Brand
Porsche
DriveDuel uses data analysis and artificial intelligence to evaluate vehicle data and create content. Content is regularly reviewed and improved. The displayed prices are estimates based on German list prices, adjusted to the respective country’s VAT. Country-specific registration taxes are not included. This information is not legally binding.