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Audi Q8 vs BMW Z4 comparison

Compare performance (640 HP vs 340 HP), boot space and price (77,300 £ vs 43,500 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or BMW Z4?

Audi Q8 vs BMW Z4: Key differences

Audi Q8

  • considerably more power
  • clearly more efficient
  • clearly quicker 0–100 km/h
  • clearly more trunk space
details

BMW Z4

4.4 (1 Reviews)
rate
  • considerably cheaper
  • considerably 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

Q8

Costs and Efficiency:

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

BMW Z4 is considerably cheaper – starting at 43,500 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 33,857 £.

Fuel consumption also shows a difference: the Audi Q8 uses 3.9 L/100km and is clearly more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 3 L/100km.

Z4

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 Q8 offers considerably more power – delivering 640 HP compared to 340 HP. That’s roughly 300 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 is clearly quicker – completing the sprint in 3.6 s, while the BMW Z4 takes 4.5 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Audi Q8 delivers considerably more torque with 850 Nm compared to 500 Nm. That’s about 350 Nm more.

Q8

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 Q8 offers more seats – 5 vs 2.

In terms of curb weight, BMW Z4 is considerably lighter – 1,510 kg compared to 2,175 kg. The difference is around 665 kg.

Looking at boot space, the Audi Q8 offers clearly more boot space – 605 L compared to 281 L. That’s a difference of about 324 L.

When it comes to payload, the Audi Q8 carries clearly more – 665 kg compared to 235 kg. That’s a difference of about 430 kg.

Who wins the race in the data check?

The Audi Q8 stands well ahead of its rival 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 £77,300
Q8

Audi Q8

  • Engine Type : Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 231 - 640 HP
  • Consumption L/100km : 3.9 - 13.1 L/100km
  • Electric Range : 80 km
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Audi Q8
BMW Z4

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi Q8

The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.

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Reviews Audi Q8

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

BMW Z4

The BMW Z4 is a taut, road-hugging roadster that pairs elegant, low-slung styling with a roof you can drop on a sunny whim, delivering that pure, wind-in-your-hair driving thrill few cars manage to match. It’s an ideal weekend companion for drivers who prefer engagement over practicality — bring good shoes rather than a lot of luggage, and you’ll get a grin every time you turn the wheel.

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Reviews BMW Z4

4.4 (1 Reviews)
rate
Maingard
26 Apr 2026, 13:19:10

Responsive car, very high-performing, very agile in corners.

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

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BMW Z4

Costs and Consumption
Price
77,300 - 137,100 £
Price
43,500 - 65,300 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
6.9 - 8.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
80 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
157 - 191 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Roadster
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
2,175 - 2,490 kg
Curb weight
1,510 - 1,640 kg
Trunk capacity
439 - 605 L
Trunk capacity
281 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,864 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
215 - 235 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
231 - 640 HP
Power HP
197 - 340 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
4.5 - 6.8 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
320 - 500 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4 - 6
Power kW
170 - 471 kW
Power kW
145 - 250 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
1,998 - 2,998 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G, B
CO2 Efficiency Class
F, G
Brand
Audi
Brand
BMW
What drivetrain options does the Audi Q8 have?

Available configurations include 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.