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Audi Q7 vs BMW 8 Series Convertible comparison

Compare performance (507 HP vs 625 HP), boot space and price (70,600 £ vs 99,400 £ ) at a glance. Find out which car is the better choice for you – Audi Q7 or BMW 8 Series Convertible?

Audi Q7 vs BMW 8 Series Convertible: Key differences

Audi Q7

4.5 (2 Reviews)
rate
  • clearly cheaper
  • considerably more efficient
  • significantly more trunk space
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BMW 8 Series Convertible

  • a bit more power
  • clearly quicker 0–100 km/h
  • only slightly lighter
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

Q7

Costs and Efficiency:

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

Audi Q7 is clearly cheaper – starting at 70,600 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 28,800 £.

Fuel consumption also shows a difference: the Audi Q7 uses 3.8 L/100km and is considerably more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 3.1 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 a bit more power – delivering 625 HP compared to 507 HP. That’s roughly 118 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is clearly quicker – completing the sprint in 3.3 s, while the Audi Q7 takes 4.1 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the Audi Q7 delivers marginally more torque with 770 Nm compared to 750 Nm. That’s about 20 Nm more.

Q7

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 Q7 offers more seats – 7 vs 4.

In terms of curb weight, BMW 8 Series Convertible is only slightly lighter – 1,915 kg compared to 2,055 kg. The difference is around 140 kg.

Looking at boot space, the Audi Q7 offers significantly more boot space – 887 L compared to 350 L. That’s a difference of about 537 L.

When it comes to payload, the Audi Q7 carries substantially more – 885 kg compared to 425 kg. That’s a difference of about 460 kg.

Who wins the race in the data check?

The Audi Q7 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 £70,600
Q7

Audi Q7

  • Engine Type Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 231 - 507 HP
  • Consumption L/100km 3.8 - 11.9 L/100km
  • Electric Range 81 - 82 km
Audi Q7
BMW 8 Series Convertible

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Audi Q7

The Audi Q7 cuts an imposing figure on the road, balancing restrained luxury with a spacious, tech-rich cabin that makes long journeys feel effortless. It rides with confident composure and polished manners, so if you want a premium family SUV that feels grown-up and worth the badge, the Q7 is a persuasive choice — even the in-laws will be impressed.

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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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Audi Q7
BMW 8 Series Convertible

Costs and Consumption

Price
70,600 - 100,600 £
Price
99,400 - 165,800 £
Consumption L/100km
3.8 - 11.9 L/100km
Consumption L/100km
6.9 - 11.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
81 - 82 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
86 - 271 g/km
co2
180 - 255 g/km
Fuel tank capacity
-
Fuel tank capacity
66 - 68 L

Dimensions and Body

Body Type
SUV
Body Type
Convertible
Seats
5 - 7
Seats
4
Doors
-
Doors
2
Curb weight
2,055 - 2,460 kg
Curb weight
1,915 - 2,125 kg
Trunk capacity
563 - 887 L
Trunk capacity
350 L
Length
-
Length
4,851 - 4,867 mm
Width
1,970 mm
Width
1,902 - 1,907 mm
Height
-
Height
1,345 - 1,353 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
640 - 885 kg
Payload
340 - 425 kg

Engine and Performance

Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin 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
231 - 507 HP
Power HP
333 - 625 HP
Acceleration 0-100km/h
4.1 - 7.1 s
Acceleration 0-100km/h
3.3 - 5.5 s
Max Speed
-
Max Speed
250 km/h
Torque
500 - 770 Nm
Torque
500 - 750 Nm
Number of Cylinders
6 - 8
Number of Cylinders
6 - 8
Power kW
170 - 373 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, B
CO2 Efficiency Class
G
Brand
Audi
Brand
BMW
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.