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BMW 8 Series Convertible vs Audi A7 comparison

Compare performance (625 HP vs 630 HP), boot space and price (99,400 £ vs 55,000 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Audi A7?

BMW 8 Series Convertible vs Audi A7: Key differences

BMW 8 Series Convertible

  • very slightly quicker 0–100 km/h
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Audi A7

  • significantly cheaper
  • only slightly more power
  • significantly more efficient
  • barely lighter
  • noticeably more trunk space
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By Achim Sedelmaier

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

8 Series Convertible

Costs and Efficiency:

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

Audi A7 is significantly cheaper – starting at 55,000 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 44,400 £.

Fuel consumption also shows a difference: the Audi A7 uses 1.2 L/100km and is significantly more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 5.7 L/100km.

A7

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 Audi A7 offers only slightly more power – delivering 630 HP compared to 625 HP. That’s roughly 5 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is very slightly quicker – completing the sprint in 3.3 s, while the Audi A7 takes 3.4 s. That’s about 0.1 s quicker.

Looking at top speed, the Audi A7 is a bit faster – reaching 280 km/h, while the BMW 8 Series Convertible tops out at 250 km/h. The difference is around 30 km/h.

There’s also a difference in torque: the Audi A7 delivers moderately more torque with 850 Nm compared to 750 Nm. That’s about 100 Nm more.

8 Series Convertible

Space and Everyday Use:

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

Both vehicles offer seating for 4 people.

In terms of curb weight, Audi A7 is barely lighter – 1,770 kg compared to 1,915 kg. The difference is around 145 kg.

Looking at boot space, the Audi A7 offers noticeably more boot space – 535 L compared to 350 L. That’s a difference of about 185 L.

When it comes to payload, the Audi A7 carries clearly more – 600 kg compared to 425 kg. That’s a difference of about 175 kg.

Who wins the race in the data check?

The Audi A7 holds a decisive overall lead 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 £55,000
A7

Audi A7

  • Engine Type : Diesel MHEV, Petrol MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 204 - 630 HP
  • Consumption L/100km : 1.2 - 12.2 L/100km
  • Electric Range : 67 - 68 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

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View detailed analysis

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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Audi A7

The Audi A7 wraps elegant fastback lines around a sumptuous, tech-packed cabin that turns everyday drives into something a bit more special. It strikes a polished balance between relaxed comfort and engaging poise, so you’ll enjoy long cruises and spirited backroad runs while arriving in unmistakable style.

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Audi A7

Costs and Consumption
Price
99,400 - 165,800 £
Price
55,000 - 117,900 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
1.2 - 12.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
67 - 68 km
Battery Capacity
-
Battery Capacity
14.4 kWh
co2
180 - 255 g/km
co2
28 - 276 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
52 - 73 L

Dimensions and Body
Body Type
Convertible
Body Type
Hatchback
Seats
4
Seats
4
Doors
2
Doors
5
Curb weight
1,915 - 2,125 kg
Curb weight
1,770 - 2,150 kg
Trunk capacity
350 L
Trunk capacity
380 - 535 L
Length
4,851 - 4,867 mm
Length
4,969 - 5,009 mm
Width
1,902 - 1,907 mm
Width
1,908 - 1,950 mm
Height
1,345 - 1,353 mm
Height
1,422 - 1,424 mm
Max trunk capacity
-
Max trunk capacity
1,235 - 1,390 L
Payload
340 - 425 kg
Payload
510 - 600 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Diesel MHEV, Petrol MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
333 - 625 HP
Power HP
204 - 630 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
3.4 - 8.1 s
Max Speed
250 km/h
Max Speed
245 - 280 km/h
Torque
500 - 750 Nm
Torque
370 - 850 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 8
Power kW
245 - 460 kW
Power kW
150 - 463 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,968 - 3,996 cm3

General
Model Year
2024
Model Year
2,023 - 2,024
CO2 Efficiency Class
G
CO2 Efficiency Class
E, F, B, G
Brand
BMW
Brand
Audi
What drivetrain options does the BMW 8 Series Convertible have?

Available configurations include All-Wheel Drive or Rear-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.