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BMW 4 Series Gran Coupe vs Ford Mustang Convertible comparison

Compare performance (392 HP vs 446 HP), boot space and price (46,200 £ vs 56,900 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Gran Coupe or Ford Mustang Convertible?

BMW 4 Series Gran Coupe vs Ford Mustang Convertible: Key differences

BMW 4 Series Gran Coupe

  • visibly cheaper
  • clearly more efficient
  • marginally quicker 0–100 km/h
  • somewhat lighter
details

Ford Mustang Convertible

  • somewhat more power
details

By Achim Sedelmaier

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

4 Series Gran Coupe

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 4 Series Gran Coupe is visibly cheaper – starting at 46,200 £ , while the Ford Mustang Convertible costs 56,900 £ . That’s a price difference of around 10,714 £.

Fuel consumption also shows a difference: the BMW 4 Series Gran Coupe uses 5 L/100km and is clearly more efficient than the Ford Mustang Convertible with 12.3 L/100km. The difference is about 7.3 L/100km.

Mustang Convertible

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 Ford Mustang Convertible offers somewhat more power – delivering 446 HP compared to 392 HP. That’s roughly 54 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Gran Coupe is marginally quicker – completing the sprint in 4.6 s, while the Ford Mustang Convertible takes 5 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the BMW 4 Series Gran Coupe delivers moderately more torque with 650 Nm compared to 540 Nm. That’s about 110 Nm more.

4 Series Gran Coupe

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: BMW 4 Series Gran Coupe offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Gran Coupe is somewhat lighter – 1,695 kg compared to 1,876 kg. The difference is around 181 kg.

When it comes to payload, the BMW 4 Series Gran Coupe carries noticeably more – 480 kg compared to 324 kg. That’s a difference of about 156 kg.

Who wins the race in the data check?

The BMW 4 Series Gran Coupe 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 £46,200
4 Series Gran Coupe

BMW 4 Series Gran Coupe

  • Engine Type Diesel MHEV, Petrol, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 184 - 392 HP
  • Consumption L/100km 5 - 7.8 L/100km
BMW 4 Series Gran Coupe
Ford Mustang Convertible

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BMW 4 Series Gran Coupe

The BMW 4 Series Gran Coupe marries coupe-like drama with hatchback practicality, offering a sloping roofline that still lets you load bags without a wrestling match. It steers with familiar BMW poise, so buyers after sporty looks and everyday usability get the best of both worlds—and a car that makes the commute feel a bit more glamorous.

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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.

details
BMW 4 Series Gran Coupe
Ford Mustang Convertible

Costs and Consumption

Price
46,200 - 68,800 £
Price
56,900 - 59,900 £
Consumption L/100km
5 - 7.8 L/100km
Consumption L/100km
12.3 - 12.4 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
131 - 179 g/km
co2
280 - 282 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Hatchback
Body Type
Convertible
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
1,695 - 1,935 kg
Curb weight
1,876 kg
Trunk capacity
470 L
Trunk capacity
-
Length
-
Length
-
Width
1,852 mm
Width
1,916 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
480 kg
Payload
319 - 324 kg

Engine and Performance

Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Petrol
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
184 - 392 HP
Power HP
446 HP
Acceleration 0-100km/h
4.6 - 7.9 s
Acceleration 0-100km/h
5 - 5.4 s
Max Speed
-
Max Speed
-
Torque
300 - 650 Nm
Torque
540 Nm
Number of Cylinders
4 - 6
Number of Cylinders
8
Power kW
135 - 288 kW
Power kW
328 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
5,038 cm3

General

Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
E, D, F, G
CO2 Efficiency Class
G
Brand
BMW
Brand
Ford
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.