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BMW Z4 vs Porsche Boxster comparison
Compare performance (340 HP vs 500 HP), boot space and price (43,500 £ vs 136,000 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Porsche Boxster?
BMW Z4 vs Porsche Boxster: 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.
Z4
Costs and Efficiency:
When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.
BMW Z4 is clearly cheaper – starting at 43,500 £ , while the Porsche Boxster costs 136,000 £ . That’s a price difference of around 92,571 £.
Fuel consumption also shows a difference: the BMW Z4 uses 6.9 L/100km and is substantially more efficient than the Porsche Boxster with 12.7 L/100km. The difference is about 5.8 L/100km.
Boxster
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 Porsche Boxster offers noticeably more power – delivering 500 HP compared to 340 HP. That’s roughly 160 HP more horsepower.
When accelerating from 0 to 100 km/h, the Porsche Boxster is noticeably quicker – completing the sprint in 3.4 s, while the BMW Z4 takes 4.5 s. That’s about 1.1 s quicker.
There’s also a difference in torque: the BMW Z4 delivers marginally more torque with 500 Nm compared to 450 Nm. That’s about 50 Nm more.
Z4
Space and Everyday Use:
Whether family car or daily driver – which one offers more room, flexibility and comfort?
Both vehicles offer seating for 2 people.
In terms of curb weight, Porsche Boxster is very slightly lighter – 1,485 kg compared to 1,510 kg. The difference is around 25 kg.
Looking at boot space, the BMW Z4 offers substantially more boot space – 281 L compared to 122 L. That’s a difference of about 159 L.
When it comes to payload, the Porsche Boxster carries a bit more – 270 kg compared to 235 kg. That’s a difference of about 35 kg.
Who wins the race in the data check?
The BMW Z4 is decisively ahead 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 £43,500
BMW Z4
BMW Z4
Porsche Boxster
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
Porsche Boxster
The Porsche Boxster epitomizes the essence of a pure, open-top driving experience with its mid-engine roadster design. Known for its agile handling and dynamic performance, the Boxster seamlessly blends luxury with thrilling precision on the road. Its unmistakable styling and superior engineering continue to captivate automotive enthusiasts who crave a visceral connection to the art of driving.
details
BMW Z4
Porsche Boxster
Costs and Consumption |
|
|---|---|
|
Price
43,500 - 65,300 £
|
Price
136,000 £
|
|
Consumption L/100km
6.9 - 8.5 L/100km
|
Consumption L/100km
12.7 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
-
|
Electric Range
-
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
157 - 191 g/km
|
co2
288 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
54 L
|
Dimensions and Body |
|
|---|---|
|
Body Type
Roadster
|
Body Type
Roadster
|
|
Seats
2
|
Seats
2
|
|
Doors
-
|
Doors
2
|
|
Curb weight
1,510 - 1,640 kg
|
Curb weight
1,485 kg
|
|
Trunk capacity
281 L
|
Trunk capacity
122 L
|
|
Length
-
|
Length
4,418 mm
|
|
Width
1,864 mm
|
Width
1,822 mm
|
|
Height
-
|
Height
1,252 mm
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
215 - 235 kg
|
Payload
270 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol
|
Engine Type
Petrol
|
|
Transmission
Manuel, Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Manual Gearbox, Automatic Gearbox
|
Transmission Detail
Dual-Clutch Automatic
|
|
Drive Type
Rear-Wheel Drive
|
Drive Type
Rear-Wheel Drive
|
|
Power HP
197 - 340 HP
|
Power HP
500 HP
|
|
Acceleration 0-100km/h
4.5 - 6.8 s
|
Acceleration 0-100km/h
3.4 s
|
|
Max Speed
-
|
Max Speed
308 km/h
|
|
Torque
320 - 500 Nm
|
Torque
450 Nm
|
|
Number of Cylinders
4 - 6
|
Number of Cylinders
6
|
|
Power kW
145 - 250 kW
|
Power kW
368 kW
|
|
Engine capacity
1,998 - 2,998 cm3
|
Engine capacity
3,996 cm3
|
General |
|
|---|---|
|
Model Year
2,025 - 2,026
|
Model Year
2023
|
|
CO2 Efficiency Class
F, G
|
CO2 Efficiency Class
G
|
|
Brand
BMW
|
Brand
Porsche
|
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.