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BMW 4 Series Convertible vs Audi Q8 e-tron comparison

Compare performance (530 HP vs 503 HP), boot space and price (52,600 £ vs 65,100 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Audi Q8 e-tron?

BMW 4 Series Convertible vs Audi Q8 e-tron: Key differences

BMW 4 Series Convertible

  • visibly cheaper
  • only slightly more power
  • visibly quicker 0–100 km/h
  • clearly lighter
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Audi Q8 e-tron

  • noticeably more trunk space
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By Achim Sedelmaier

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

4 Series Convertible

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

BMW 4 Series Convertible is visibly cheaper – starting at 52,600 £ , while the Audi Q8 e-tron costs 65,100 £ . That’s a price difference of around 12,429 £.

Q8 e-tron

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the BMW 4 Series Convertible offers only slightly more power – delivering 530 HP compared to 503 HP. That’s roughly 27 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is visibly quicker – completing the sprint in 3.7 s, while the Audi Q8 e-tron takes 4.5 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the Audi Q8 e-tron delivers visibly more torque with 973 Nm compared to 700 Nm. That’s about 273 Nm more.

4 Series Convertible

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: Audi Q8 e-tron offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is clearly lighter – 1,765 kg compared to 2,585 kg. The difference is around 820 kg.

Looking at boot space, the Audi Q8 e-tron offers noticeably more boot space – 569 L compared to 385 L. That’s a difference of about 184 L.

When it comes to payload, the Audi Q8 e-tron carries markedly more – 595 kg compared to 420 kg. That’s a difference of about 175 kg.

Who wins the race in the data check?

The Audi Q8 e-tron is far ahead overall 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 £65,100
Q8 e-tron

Audi Q8 e-tron

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 340 - 503 HP
  • Consumption kWh/100km 19.7 - 26.3 kWh/100km
  • Electric Range 456 - 595 km
BMW 4 Series Convertible
Audi Q8 e-tron

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW 4 Series Convertible

The BMW 4 Series Convertible blends coupe-like elegance with open-top drama, its sleek profile and distinctive grille demanding attention whether the roof’s up or down. Behind the wheel it serves up taut handling and a refined ride, making it a rewarding choice for drivers who want sporty character without sacrificing everyday comfort — and yes, it looks spectacular when you drop the top.

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Audi Q8 e-tron

The Audi Q8 e-tron wraps Audi’s usual premium polish into a quiet, composed electric SUV that feels refined and surprisingly effortless to drive. With a spacious, tech-forward cabin and understated road presence, it’s a practical yet stylish choice for buyers who want electric motoring without losing the dignity of a proper luxury SUV.

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BMW 4 Series Convertible
Audi Q8 e-tron

Costs and Consumption

Price
52,600 - 97,800 £
Price
65,100 - 102,800 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.7 - 26.3 kWh/100km
Electric Range
-
Electric Range
456 - 595 km
Battery Capacity
-
Battery Capacity
89 - 106 kWh
co2
136 - 231 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
5
Curb weight
1,765 - 2,055 kg
Curb weight
2,585 - 2,725 kg
Trunk capacity
385 L
Trunk capacity
528 - 569 L
Length
-
Length
4,915 mm
Width
1,852 - 1,887 mm
Width
1,937 - 1,994 mm
Height
-
Height
1,617 - 1,683 mm
Max trunk capacity
-
Max trunk capacity
1,567 - 1,637 L
Payload
345 - 420 kg
Payload
515 - 595 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
184 - 530 HP
Power HP
340 - 503 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
4.5 - 6 s
Max Speed
-
Max Speed
200 - 210 km/h
Torque
300 - 700 Nm
Torque
664 - 973 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
135 - 390 kW
Power kW
250 - 370 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
-

General

Model Year
2,024 - 2,025
Model Year
2,023 - 2,024
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
A
Brand
BMW
Brand
Audi
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.