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BMW 8 Series Convertible vs Audi Q3 comparison

Compare performance (625 HP vs 272 HP), boot space and price (99,400 £ vs 38,200 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Audi Q3?

BMW 8 Series Convertible vs Audi Q3: Key differences

BMW 8 Series Convertible

  • considerably more power
  • considerably quicker 0–100 km/h
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Audi Q3

4.3 (4 Reviews)
rate
  • significantly cheaper
  • significantly more efficient
  • moderately lighter
  • noticeably more trunk space
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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

8 Series Convertible

Costs and Efficiency:

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

Audi Q3 is significantly cheaper – starting at 38,200 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 61,200 £.

Fuel consumption also shows a difference: the Audi Q3 uses 1.7 L/100km and is significantly more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 5.2 L/100km.

Q3

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 considerably more power – delivering 625 HP compared to 272 HP. That’s roughly 353 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is considerably quicker – completing the sprint in 3.3 s, while the Audi Q3 takes 5.7 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers significantly more torque with 750 Nm compared to 400 Nm. That’s about 350 Nm more.

8 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 Q3 offers more seats – 5 vs 4.

In terms of curb weight, Audi Q3 is moderately lighter – 1,635 kg compared to 1,915 kg. The difference is around 280 kg.

Looking at boot space, the Audi Q3 offers noticeably more boot space – 488 L compared to 350 L. That’s a difference of about 138 L.

When it comes to payload, the Audi Q3 carries markedly more – 535 kg compared to 425 kg. That’s a difference of about 110 kg.

Who wins the race in the data check?

The Audi Q3 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 £38,200
Q3

Audi Q3

  • Engine Type Petrol MHEV, Petrol, Plugin Hybrid, Diesel
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 150 - 272 HP
  • Consumption L/100km 1.7 - 8.8 L/100km
  • Electric Range 109 - 119 km
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BMW 8 Series Convertible
Audi Q3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
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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Reviews BMW 8 Series Convertible

No reviews yet. Share your experience and help others decide.

Audi Q3

The Audi Q3 is a compact premium crossover that blends sharp styling with a well-crafted interior, making it an appealing choice for urban drivers who want a touch of luxury. It delivers a composed ride, intuitive tech features and a practical cabin, so it works well as a comfortable daily driver with an upscale feel.

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Reviews Audi Q3

4.3 (4 Reviews)
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Del
16 Jun 2026, 12:27:22

Very comfortable and very enjoyable to drive, interior very pleasant. Only missing the automatic controls.

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
dd
2 Nov 2025, 22:05:04

Very comfortable. Precise steering. E35 petrol engine, 150 hp — sufficient. Manual gearbox very good and well-geared. Looks very handsome. Very large boot. Premium interior.

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BMW 8 Series Convertible
Audi Q3

Costs and Consumption
Price
99,400 - 165,800 £
Price
38,200 - 54,200 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
1.7 - 8.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
109 - 119 km
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
39 - 199 g/km
Fuel tank capacity
66 - 68 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
2
Doors
-
Curb weight
1,915 - 2,125 kg
Curb weight
1,635 - 1,900 kg
Trunk capacity
350 L
Trunk capacity
375 - 488 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,859 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
505 - 535 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid, Diesel
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
333 - 625 HP
Power HP
150 - 272 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
5.7 - 9.2 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
250 - 400 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
245 - 460 kW
Power kW
110 - 200 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,498 - 1,984 cm3

General
Model Year
2024
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
E, G, B, F
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.