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Audi A8 vs BMW Z4 comparison
Compare performance (571 HP vs 340 HP), boot space and price (91,400 £ vs 43,500 £ ) at a glance. Find out which car is the better choice for you – Audi A8 or BMW Z4?
Audi A8 vs BMW Z4: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
A8
Costs and Efficiency:
Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.
BMW Z4 is clearly cheaper – starting at 43,500 £ , while the Audi A8 costs 91,400 £ . That’s a price difference of around 47,914 £.
Fuel consumption also shows a difference: the Audi A8 uses 4.6 L/100km and is substantially more efficient than the BMW Z4 with 6.9 L/100km. The difference is about 2.3 L/100km.
Z4
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 Audi A8 offers significantly more power – delivering 571 HP compared to 340 HP. That’s roughly 231 HP more horsepower.
When accelerating from 0 to 100 km/h, the Audi A8 is slightly quicker – completing the sprint in 3.8 s, while the BMW Z4 takes 4.5 s. That’s about 0.7 s quicker.
There’s also a difference in torque: the Audi A8 delivers noticeably more torque with 800 Nm compared to 500 Nm. That’s about 300 Nm more.
A8
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 A8 offers more seats – 5 vs 2.
In terms of curb weight, BMW Z4 is visibly lighter – 1,510 kg compared to 2,035 kg. The difference is around 525 kg.
Looking at boot space, the Audi A8 offers markedly more boot space – 390 L compared to 281 L. That’s a difference of about 109 L.
When it comes to payload, the Audi A8 carries clearly more – 700 kg compared to 235 kg. That’s a difference of about 465 kg.
Who wins the race in the data check?
The Audi A8 is clearly superior 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 £91,400
Audi A8
Audi A8
BMW Z4
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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Audi A8
The Audi A8 arrives with the kind of quiet authority that makes other limousines feel like they’re trying too hard, offering a cabin wrapped in subtle luxury and tech that never demands attention. For buyers who want composed comfort and discreet status, it’s the sensible splurge that turns daily commutes into a private parade.
details
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.
details
Audi A8
BMW Z4
Costs and Consumption |
|
|---|---|
|
Price
91,400 - 134,900 £
|
Price
43,500 - 65,300 £
|
|
Consumption L/100km
4.6 - 11.5 L/100km
|
Consumption L/100km
6.9 - 8.5 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
58 km
|
Electric Range
-
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
105 - 260 g/km
|
co2
157 - 191 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
Sedan
|
Body Type
Roadster
|
|
Seats
5
|
Seats
2
|
|
Doors
-
|
Doors
-
|
|
Curb weight
2,035 - 2,415 kg
|
Curb weight
1,510 - 1,640 kg
|
|
Trunk capacity
390 L
|
Trunk capacity
281 L
|
|
Length
-
|
Length
-
|
|
Width
1,945 mm
|
Width
1,864 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
525 - 700 kg
|
Payload
215 - 235 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol MHEV, Diesel MHEV, 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
286 - 571 HP
|
Power HP
197 - 340 HP
|
|
Acceleration 0-100km/h
3.8 - 5.9 s
|
Acceleration 0-100km/h
4.5 - 6.8 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
500 - 800 Nm
|
Torque
320 - 500 Nm
|
|
Number of Cylinders
6 - 8
|
Number of Cylinders
4 - 6
|
|
Power kW
210 - 420 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, C
|
CO2 Efficiency Class
F, 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.