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BMW 8 Series Convertible vs Audi Q5 comparison

Compare performance (625 HP vs 367 HP), boot space and price (99,400 £ vs 46,400 £ ) at a glance. Find out which car is the better choice for you – BMW 8 Series Convertible or Audi Q5?

BMW 8 Series Convertible vs Audi Q5: Key differences

BMW 8 Series Convertible

  • substantially more power
  • noticeably quicker 0–100 km/h

Audi Q5

4.4 (5 Reviews)
rate
  • substantially cheaper
  • significantly more efficient
  • marginally lighter
  • visibly more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

8 Series Convertible

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Audi Q5 is substantially cheaper – starting at 46,400 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 53,057 £.

Fuel consumption also shows a difference: the Audi Q5 uses 2.5 L/100km and is significantly more efficient than the BMW 8 Series Convertible with 6.9 L/100km. The difference is about 4.4 L/100km.

Q5

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 8 Series Convertible offers substantially more power – delivering 625 HP compared to 367 HP. That’s roughly 258 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 8 Series Convertible is noticeably quicker – completing the sprint in 3.3 s, while the Audi Q5 takes 4.5 s. That’s about 1.2 s quicker.

There’s also a difference in torque: the BMW 8 Series Convertible delivers visibly more torque with 750 Nm compared to 580 Nm. That’s about 170 Nm more.

8 Series Convertible

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Audi Q5 offers more seats – 5 vs 4.

In terms of curb weight, Audi Q5 is marginally lighter – 1,910 kg compared to 1,915 kg. The difference is around 5 kg.

Looking at boot space, the Audi Q5 offers visibly more boot space – 520 L compared to 350 L. That’s a difference of about 170 L.

When it comes to payload, the Audi Q5 carries visibly more – 565 kg compared to 425 kg. That’s a difference of about 140 kg.

Who wins the race in the data check?

The Audi Q5 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 £46,400
Q5

Audi Q5

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 204 - 367 HP
  • Consumption L/100km : 2.5 - 8.3 L/100km
  • Electric Range : 92 - 100 km
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BMW 8 Series Convertible
Audi Q5

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 Q5

The Audi Q5 feels like the sensible luxury choice — polished cabin materials, a calm ride and enough tech to keep commuters and weekend adventurers equally pleased. It won't shout for attention but will quietly check the boxes for buyers who want refinement, space and everyday usability with a dash of Audi charisma.

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Reviews Audi Q5

4.4 (5 Reviews)
rate
Aurelio
16 Mar 2026, 20:10:09

BYD — to Romania, in my area I have to recharge 5 times.
Audi Q5 — to the same place I refuel only 2 times.
At the end of the merry-go-round, if diesel doesn’t rise again, I can say I travel with peace of mind in the Audi — both on price and comfort 😆😆😆. If I switch on the air conditioning in the BYD, I’m totally screwed; for 1,350 km I’d need solar panels just to keep costs down.
But if I only drive around the city and do short runs, all praise to BYD.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Klaus
9 Dec 2025, 16:03:21

The Audi Q5 reliably gets me to my destination every day. It isn't cheap, but it's a real looker!!!

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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BMW 8 Series Convertible
Audi Q5

Costs and Consumption
Price
99,400 - 165,800 £
Price
46,400 - 79,600 £
Consumption L/100km
6.9 - 11.2 L/100km
Consumption L/100km
2.5 - 8.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
92 - 100 km
Battery Capacity
-
Battery Capacity
-
co2
180 - 255 g/km
co2
56 - 189 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
1,910 - 2,245 kg
Trunk capacity
350 L
Trunk capacity
433 - 520 L
Length
4,851 - 4,867 mm
Length
-
Width
1,902 - 1,907 mm
Width
1,900 mm
Height
1,345 - 1,353 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
340 - 425 kg
Payload
490 - 565 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
333 - 625 HP
Power HP
204 - 367 HP
Acceleration 0-100km/h
3.3 - 5.5 s
Acceleration 0-100km/h
4.5 - 8.6 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 750 Nm
Torque
340 - 580 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
245 - 460 kW
Power kW
150 - 270 kW
Engine capacity
2,993 - 4,395 cm3
Engine capacity
1,968 - 2,995 cm3

General
Model Year
2,024
Model Year
2,025
CO2 Efficiency Class
G
CO2 Efficiency Class
B, E, F, 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.