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BMW 4 Series Convertible vs Subaru Forester comparison

Compare performance (530 HP vs 136 HP), boot space and price (52,600 £ vs 35,100 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Subaru Forester?

BMW 4 Series Convertible vs Subaru Forester: Key differences

BMW 4 Series Convertible

  • clearly more power
  • clearly more efficient
  • considerably quicker 0–100 km/h
details

Subaru Forester

3.8 (4 Reviews)
rate
  • considerably cheaper
  • marginally lighter
  • clearly more trunk space
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

4 Series Convertible

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Subaru Forester is considerably cheaper – starting at 35,100 £ , while the BMW 4 Series Convertible costs 52,600 £ . That’s a price difference of around 17,494 £.

Fuel consumption also shows a difference: the BMW 4 Series Convertible uses 5.2 L/100km and is clearly more efficient than the Subaru Forester with 8.1 L/100km. The difference is about 2.9 L/100km.

Forester

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 BMW 4 Series Convertible offers clearly more power – delivering 530 HP compared to 136 HP. That’s roughly 394 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is considerably quicker – completing the sprint in 3.7 s, while the Subaru Forester takes 12.2 s. That’s about 8.5 s quicker.

There’s also a difference in torque: the BMW 4 Series Convertible delivers clearly more torque with 700 Nm compared to 182 Nm. That’s about 518 Nm more.

4 Series Convertible

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: Subaru Forester offers more seats – 5 vs 4.

In terms of curb weight, Subaru Forester is marginally lighter – 1,693 kg compared to 1,765 kg. The difference is around 72 kg.

Looking at boot space, the Subaru Forester offers clearly more boot space – 508 L compared to 385 L. That’s a difference of about 123 L.

When it comes to payload, the Subaru Forester carries slightly more – 492 kg compared to 420 kg. That’s a difference of about 72 kg.

Who wins the race in the data check?

The BMW 4 Series Convertible is far ahead overall 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 £52,600
4 Series Convertible

BMW 4 Series Convertible

  • Engine Type Diesel MHEV, Petrol, Petrol MHEV
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 184 - 530 HP
  • Consumption L/100km 5.2 - 10.2 L/100km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BMW 4 Series Convertible

The BMW 4 Series Convertible blends coupe-like elegance with open-top drama, its sleek profile and distinctive grille demanding attention whether the roof’s up or down. Behind the wheel it serves up taut handling and a refined ride, making it a rewarding choice for drivers who want sporty character without sacrificing everyday comfort — and yes, it looks spectacular when you drop the top.

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Reviews BMW 4 Series Convertible

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

Subaru Forester

The Subaru Forester is a practical all-rounder that quietly does everything right, with roomy comfort, excellent visibility and a real fondness for weekend adventures off the beaten path. It won't set your pulse racing like a sports car, but for buyers who prize reliability, safety and sensible charm, it's a brilliantly steady companion with a cheeky streak.

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Reviews Subaru Forester

3.8 (4 Reviews)
rate
Marie-Sophie
6 Jul 2026, 15:22:11

Unfortunately Citroën isn't sold here in the Americas, otherwise I would have chosen the C5.X!

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Dirk
8 Dec 2025, 17:00:06

It's indeed much more expensive, but it drives brilliantly. I have the automatic — fantastic. It's a bit noisy for such an expensive car, and servicing at a Subaru dealer isn't cheap. It's certainly not economical.

On the other hand, very little breaks and it will never leave you stranded. And that space... 500 litres more is really about a 40% increase.

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BMW 4 Series Convertible
Subaru Forester

Costs and Consumption
Price
52,600 - 97,800 £
Price
35,100 - 42,800 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
8.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
183 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,765 - 2,055 kg
Curb weight
1,693 - 1,739 kg
Trunk capacity
385 L
Trunk capacity
508 L
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,830 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
446 - 492 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
CVT
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
184 - 530 HP
Power HP
136 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
12.2 s
Max Speed
-
Max Speed
-
Torque
300 - 700 Nm
Torque
182 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
135 - 390 kW
Power kW
100 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
1,995 cm3

General
Model Year
2,024 - 2,025
Model Year
2025
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
G
Brand
BMW
Brand
Subaru
What drive types are available for the BMW 4 Series Convertible?

The BMW 4 Series Convertible is available as Rear-Wheel Drive or All-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.