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BMW Z4 vs BMW 8 Series Convertible comparison
Compare performance (340 HP vs 625 HP), boot space and price (43,500 £ vs 99,400 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or BMW 8 Series Convertible?
Z4
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 substantially cheaper – starting at 43,500 £ , while the BMW 8 Series Convertible costs 99,400 £ . That’s a price difference of around 55,971 £.
Both cars consume an average of 6.9 L/100km – no difference here.
8 Series Convertible
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 340 HP. That’s roughly 285 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 BMW Z4 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 500 Nm. That’s about 250 Nm more.
Z4
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: BMW 8 Series Convertible offers more seats – 4 vs 2.
In terms of curb weight, BMW Z4 is clearly lighter – 1,510 kg compared to 1,915 kg. The difference is around 405 kg.
Looking at boot space, the BMW 8 Series Convertible offers slightly more boot space – 350 L compared to 281 L. That’s a difference of about 69 L.
When it comes to payload, the BMW 8 Series Convertible carries clearly more – 425 kg compared to 235 kg. That’s a difference of about 190 kg.
Who wins the race in the data check?
The BMW 8 Series Convertible 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 £99,400
BMW 8 Series Convertible
BMW Z4
BMW 8 Series Convertible
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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
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.
details
BMW Z4
BMW 8 Series Convertible
Costs and Consumption |
|
|---|---|
|
Price
43,500 - 65,300 £
|
Price
99,400 - 165,800 £
|
|
Consumption L/100km
6.9 - 8.5 L/100km
|
Consumption L/100km
6.9 - 11.2 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
-
|
Electric Range
-
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
157 - 191 g/km
|
co2
180 - 255 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
66 - 68 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Roadster
|
Body Type
Convertible
|
|
Seats
2
|
Seats
4
|
|
Doors
-
|
Doors
2
|
|
Curb weight
1,510 - 1,640 kg
|
Curb weight
1,915 - 2,125 kg
|
|
Trunk capacity
281 L
|
Trunk capacity
350 L
|
|
Length
-
|
Length
4,851 - 4,867 mm
|
|
Width
1,864 mm
|
Width
1,902 - 1,907 mm
|
|
Height
-
|
Height
1,345 - 1,353 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
215 - 235 kg
|
Payload
340 - 425 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol
|
Engine Type
Diesel MHEV, Petrol
|
|
Transmission
Manuel, Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Manual Gearbox, Automatic Gearbox
|
Transmission Detail
Automatic Gearbox
|
|
Drive Type
Rear-Wheel Drive
|
Drive Type
All-Wheel Drive, Rear-Wheel Drive
|
|
Power HP
197 - 340 HP
|
Power HP
333 - 625 HP
|
|
Acceleration 0-100km/h
4.5 - 6.8 s
|
Acceleration 0-100km/h
3.3 - 5.5 s
|
|
Max Speed
-
|
Max Speed
250 km/h
|
|
Torque
320 - 500 Nm
|
Torque
500 - 750 Nm
|
|
Number of Cylinders
4 - 6
|
Number of Cylinders
6 - 8
|
|
Power kW
145 - 250 kW
|
Power kW
245 - 460 kW
|
|
Engine capacity
1,998 - 2,998 cm3
|
Engine capacity
2,993 - 4,395 cm3
|
General |
|
|---|---|
|
Model Year
2,025 - 2,026
|
Model Year
2,024
|
|
CO2 Efficiency Class
F, G
|
CO2 Efficiency Class
G
|
|
Brand
BMW
|
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.