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BMW Z4 vs Porsche 911 Coupe - Differences and prices compared

Compare performance (340 HP vs 711 HP), boot space and price (43500 £ vs 116800 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Porsche 911 Coupe?

BMW Z4

Porsche 911 Coupe

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

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 has a clearly advantage in terms of price – it starts at 43500 £ , while the Porsche 911 Coupe costs 116800 £ . That’s a price difference of around 73371 £.

Fuel consumption also shows a difference: BMW Z4 manages with 6.90 L and is therefore decisively more efficient than the Porsche 911 Coupe with 10.10 L. The difference is about 3.20 L per 100 km.

911 Coupe

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Porsche 911 Coupe has a clearly edge – offering 711 HP compared to 340 HP. That’s roughly 371 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche 911 Coupe is decisively quicker – completing the sprint in 2.50 s, while the BMW Z4 takes 4.50 s. That’s about 2 s faster.

There’s also a difference in torque: Porsche 911 Coupe pulls evident stronger with 800 Nm compared to 500 Nm. That’s about 300 Nm difference.

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.

Both vehicles offer seating for 2 people.

In curb weight, BMW Z4 is hardly perceptible lighter – 1510 kg compared to 1525 kg. The difference is around 15 kg.

In terms of boot space, the Porsche 911 Coupe offers clearly perceptible more room – 373 L compared to 281 L. That’s a difference of about 92 L.

When it comes to payload, Porsche 911 Coupe noticeable takes the win – 310 kg compared to 235 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The Porsche 911 Coupe has the upper hand 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.

BMW Z4
Porsche 911 Coupe

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £116,800
911 Coupe

Porsche 911 Coupe

  • Engine Type : Petrol, Full Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 394 - 711 HP
  • Consumption L/100km : 10.1 - 13.8 L
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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.

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Porsche 911 Coupe

The Porsche 911 Coupe remains the iconic sports car you buy when you want a thrilling weekend weapon that still behaves like a civilized companion during the weekdays. Its classic silhouette and razor‑sharp handling deliver a grin-inducing drive every time, while the polished interior and intuitive controls remind you this is a car built for drivers, not just headlines.

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Reviews BMW Z4

Reviews Porsche 911 Coupe

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BMW Z4
Porsche 911 Coupe

Costs and Consumption
Price
43500 - 65300 £
Price
116800 - 301000 £
Consumption L/100km
6.9 - 8.5 L
Consumption L/100km
10.1 - 13.8 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
157 - 191 g/km
co2
229 - 312 g/km
Fuel tank capacity
-
Fuel tank capacity
63 - 64 L

Dimensions and Body
Body Type
Roadster
Body Type
Coupe
Seats
2
Seats
2
Doors
-
Doors
2
Curb weight
1510 - 1640 kg
Curb weight
1525 - 1815 kg
Trunk capacity
281 L
Trunk capacity
264 - 373 L
Length
-
Length
4542 - 4572 mm
Width
1864 mm
Width
1852 - 1900 mm
Height
-
Height
1279 - 1322 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
215 - 235 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Full Hybrid
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
197 - 340 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
-
Max Speed
294 - 322 km/h
Torque
320 - 500 Nm
Torque
450 - 800 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6
Power kW
145 - 250 kW
Power kW
290 - 523 kW
Engine capacity
1998 - 2998 cm3
Engine capacity
2981 - 3996 cm3

General
Model Year
2025 - 2026
Model Year
2022 - 2026
CO2 Efficiency Class
F, G
CO2 Efficiency Class
G
Brand
BMW
Brand
Porsche

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What drive types are available for the BMW Z4?

The BMW Z4 is offered with Rear-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.