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Audi A8 vs BMW 8 Series Convertible comparison

Compare performance (571 HP vs 625 HP), boot space and price (91,400 £ vs 99,400 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or BMW 8 Series Convertible?

Audi A8 vs BMW 8 Series Convertible: Key differences

Audi A8

5 (1 Reviews)
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  • barely cheaper
  • substantially more efficient
  • moderately more trunk space
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BMW 8 Series Convertible

  • barely more power
  • a bit quicker 0–100 km/h
  • marginally lighter
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Here’s where it gets real: The technical differences in detail

A8

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Audi A8 is barely cheaper – starting at 91,400 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 8,057 £.

Fuel consumption also shows a difference: the Audi A8 uses 4.6 L/100km and is substantially more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 2.3 L/100km.

8 Series 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 BMW 8 Series Convertible offers barely more power – delivering 625 HP compared to 571 HP. That’s roughly 54 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is a bit quicker – completing the sprint in 3.3 s, while the Audi A8 takes 3.8 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Audi A8 delivers very slightly more torque with 800 Nm compared to 750 Nm. That’s about 50 Nm more.

A8

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Audi A8 offers more seats – 5 vs 4.

In terms of curb weight, BMW 8 Series Convertible is marginally lighter – 1,915 kg compared to 2,035 kg. The difference is around 120 kg.

Looking at boot space, the Audi A8 offers moderately more boot space – 390 L compared to 350 L. That’s a difference of about 40 L.

When it comes to payload, the Audi A8 carries noticeably more – 700 kg compared to 425 kg. That’s a difference of about 275 kg.

Who wins the race in the data check?

The Audi A8 is clearly superior 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 £91,400
A8

Audi A8

  • Engine Type Petrol MHEV, Diesel MHEV, Plug-in Hybrid
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 286 - 571 HP
  • Consumption L/100km 4.6 - 11.5 L/100km
  • Electric Range 58 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A8

The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.

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Reviews Audi A8

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BMW 8 Series Convertible

The BMW 8 Series Convertible is a head-turning grand tourer that drops its roof with the kind of theatrical flourish you expect from a modern Bavarian showboat. It wraps occupants in sumptuous materials and driver-focused polish, offering effortless long-distance comfort and just enough drama to make every arrival feel like an occasion.

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Reviews BMW 8 Series Convertible

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BMW 8 Series Convertible

Costs and Consumption
Price
91,400 - 134,900 £
Price
99,400 - 165,800 £
Consumption L/100km
4.6 - 11.5 L/100km
Consumption L/100km
6.9 - 11.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
58 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
105 - 260 g/km
co2
180 - 255 g/km
Fuel tank capacity
-
Fuel tank capacity
66 - 68 L

Dimensions and Body
Body Type
Sedan
Body Type
Convertible
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
2,035 - 2,415 kg
Curb weight
1,915 - 2,125 kg
Trunk capacity
390 L
Trunk capacity
350 L
Length
-
Length
4,851 - 4,867 mm
Width
1,945 mm
Width
1,902 - 1,907 mm
Height
-
Height
1,345 - 1,353 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
525 - 700 kg
Payload
340 - 425 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Plug-in Hybrid
Engine Type
Diesel MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
286 - 571 HP
Power HP
333 - 625 HP
Acceleration 0-100km/h
3.8 - 5.9 s
Acceleration 0-100km/h
3.3 - 5.5 s
Max Speed
-
Max Speed
250 km/h
Torque
500 - 800 Nm
Torque
500 - 750 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
210 - 420 kW
Power kW
245 - 460 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
2,993 - 4,395 cm3

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
G, C
CO2 Efficiency Class
G
Brand
Audi
Brand
BMW
What drive types are available for the Audi A8?

The Audi A8 is available as All-Wheel Drive.

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.