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Ford Mustang Convertible vs BMW Z4 comparison

Compare performance (446 HP vs 340 HP), boot space and price (56,900 £ vs 43,500 £ ) at a glance. Find out which car is the better choice for you – Ford Mustang Convertible or BMW Z4?

Ford Mustang Convertible vs BMW Z4: Key differences

Ford Mustang Convertible

  • noticeably more power
details

BMW Z4

4.4 (1 Reviews)
rate
  • clearly cheaper
  • considerably more efficient
  • somewhat quicker 0–100 km/h
  • markedly lighter
details

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

Mustang Convertible

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 Ford Mustang Convertible costs 56,900 £ . That’s a price difference of around 13,457 £.

Fuel consumption also shows a difference: the BMW Z4 uses 6.9 L/100km and is considerably more efficient than the Ford Mustang Convertible with 12.3 L/100km. The difference is about 5.4 L/100km.

Z4

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 Ford Mustang Convertible offers noticeably more power – delivering 446 HP compared to 340 HP. That’s roughly 106 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW Z4 is somewhat quicker – completing the sprint in 4.5 s, while the Ford Mustang Convertible takes 5 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Ford Mustang Convertible delivers marginally more torque with 540 Nm compared to 500 Nm. That’s about 40 Nm more.

Mustang Convertible

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: Ford Mustang Convertible offers more seats – 4 vs 2.

In terms of curb weight, BMW Z4 is markedly lighter – 1,510 kg compared to 1,876 kg. The difference is around 366 kg.

When it comes to payload, the Ford Mustang Convertible carries noticeably more – 324 kg compared to 235 kg. That’s a difference of about 89 kg.

Who wins the race in the data check?

The BMW Z4 shows a few small advantages 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
Z4

BMW Z4

  • Engine Type Petrol
  • Transmission Manuel, Automatic
  • Drive Type Rear-Wheel Drive
  • Power HP 197 - 340 HP
  • Consumption L/100km 6.9 - 8.5 L/100km
details

Frequently compared as well

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BMW Z4
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Ford Mustang Convertible
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Ford Mustang Convertible

The Ford Mustang Convertible makes every drive feel like a small celebration, its exhaust note and open-air drama turning mundane routes into showstoppers. It’s a car that doubles as a weekend mood lifter and a credible everyday companion, blending swagger with surprising practicality.

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NEW_FORD_MUSTANG_28-LOW
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Reviews Ford Mustang Convertible

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

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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P90479454_highRes_bmw-z4-m40i-09-2022
P90479457_highRes_bmw-z4-m40i-09-2022
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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

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Ford Mustang Convertible
BMW Z4

Costs and Consumption
Price
56,900 - 59,900 £
Price
43,500 - 65,300 £
Consumption L/100km
12.3 - 12.4 L/100km
Consumption L/100km
6.9 - 8.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
280 - 282 g/km
co2
157 - 191 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Roadster
Seats
4
Seats
2
Doors
-
Doors
-
Curb weight
1,876 kg
Curb weight
1,510 - 1,640 kg
Trunk capacity
-
Trunk capacity
281 L
Length
-
Length
-
Width
1,916 mm
Width
1,864 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
319 - 324 kg
Payload
215 - 235 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
446 HP
Power HP
197 - 340 HP
Acceleration 0-100km/h
5 - 5.4 s
Acceleration 0-100km/h
4.5 - 6.8 s
Max Speed
-
Max Speed
-
Torque
540 Nm
Torque
320 - 500 Nm
Number of Cylinders
8
Number of Cylinders
4 - 6
Power kW
328 kW
Power kW
145 - 250 kW
Engine capacity
5,038 cm3
Engine capacity
1,998 - 2,998 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
F, G
Brand
Ford
Brand
BMW
Is the Ford Mustang Convertible offered with different drivetrains?

The Ford Mustang Convertible 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.