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BMW Z4 vs Porsche Panamera comparison

Compare performance (340 HP vs 782 HP), boot space and price (43,500 £ vs 99,800 £ ) at a glance. Find out which car is the better choice for you – BMW Z4 or Porsche Panamera?

BMW Z4 vs Porsche Panamera: Key differences

BMW Z4

4.4 (1 Reviews)
rate
  • clearly cheaper
  • markedly lighter
details

Porsche Panamera

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

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 clearly cheaper – starting at 43,500 £ , while the Porsche Panamera costs 99,800 £ . That’s a price difference of around 56,314 £.

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

Panamera

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 Panamera offers clearly more power – delivering 782 HP compared to 340 HP. That’s roughly 442 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Panamera is significantly quicker – completing the sprint in 2.9 s, while the BMW Z4 takes 4.5 s. That’s about 1.6 s quicker.

There’s also a difference in torque: the Porsche Panamera delivers substantially more torque with 1,000 Nm compared to 500 Nm. That’s about 500 Nm more.

Z4

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: Porsche Panamera offers more seats – 4 vs 2.

In terms of curb weight, BMW Z4 is markedly lighter – 1,510 kg compared to 1,960 kg. The difference is around 450 kg.

Looking at boot space, the Porsche Panamera offers considerably more boot space – 494 L compared to 281 L. That’s a difference of about 213 L.

When it comes to payload, the Porsche Panamera carries significantly more – 545 kg compared to 235 kg. That’s a difference of about 310 kg.

Who wins the race in the data check?

The Porsche Panamera 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 £99,800
Panamera

Porsche Panamera

  • Engine Type Petrol, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 353 - 782 HP
  • Consumption L/100km 3 - 12 L/100km
  • Electric Range 83 - 97 km
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BMW Z4
Porsche Panamera

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

Porsche Panamera

The Porsche Panamera blends sports-car sharpness with luxury-sedan refinement, serving driving thrills up front while pampering passengers in the back. Poised, polished and mischievously quick, it’s the car for buyers who want exotic performance without losing everyday comfort.

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Reviews Porsche Panamera

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

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BMW Z4
Porsche Panamera

Costs and Consumption
Price
43,500 - 65,300 £
Price
99,800 - 212,100 £
Consumption L/100km
6.9 - 8.5 L/100km
Consumption L/100km
3 - 12 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
83 - 97 km
Battery Capacity
-
Battery Capacity
21.8 kWh
co2
157 - 191 g/km
co2
69 - 274 g/km
Fuel tank capacity
-
Fuel tank capacity
75 - 90 L

Dimensions and Body
Body Type
Roadster
Body Type
Hatchback
Seats
2
Seats
4
Doors
-
Doors
5
Curb weight
1,510 - 1,640 kg
Curb weight
1,960 - 2,535 kg
Trunk capacity
281 L
Trunk capacity
421 - 494 L
Length
-
Length
5,052 - 5,204 mm
Width
1,864 mm
Width
1,937 mm
Height
-
Height
1,415 - 1,428 mm
Max trunk capacity
-
Max trunk capacity
1,255 - 1,385 L
Payload
215 - 235 kg
Payload
340 - 545 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Plugin Hybrid
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, All-Wheel Drive
Power HP
197 - 340 HP
Power HP
353 - 782 HP
Acceleration 0-100km/h
4.5 - 6.8 s
Acceleration 0-100km/h
2.9 - 5.3 s
Max Speed
-
Max Speed
270 - 325 km/h
Torque
320 - 500 Nm
Torque
500 - 1,000 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
145 - 250 kW
Power kW
260 - 575 kW
Engine capacity
1,998 - 2,998 cm3
Engine capacity
2,894 - 3,996 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
F, G
CO2 Efficiency Class
G, B, C
Brand
BMW
Brand
Porsche
Is the BMW Z4 offered with different drivetrains?

The BMW Z4 is available as Rear-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.