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BMW 4 Series Convertible vs Mercedes G-Class comparison

Compare performance (530 HP vs 605 HP), boot space and price (52,100 £ vs 106,600 £ ) at a glance. Find out which car is the better choice for you – BMW 4 Series Convertible or Mercedes G-Class?

BMW 4 Series Convertible vs Mercedes G-Class: Key differences

BMW 4 Series Convertible

  • significantly cheaper
  • significantly more efficient
  • moderately quicker 0–100 km/h
  • clearly lighter
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Mercedes G-Class

  • moderately more power
  • visibly more trunk space
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By Achim Sedelmaier

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

4 Series Convertible

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 4 Series Convertible is significantly cheaper – starting at 52,100 £ , while the Mercedes G-Class costs 106,600 £ . That’s a price difference of around 54,476 £.

Fuel consumption also shows a difference: the BMW 4 Series Convertible uses 5.2 L/100km and is significantly more efficient than the Mercedes G-Class with 8.7 L/100km. The difference is about 3.5 L/100km.

G-Class

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 Mercedes G-Class offers moderately more power – delivering 605 HP compared to 530 HP. That’s roughly 75 HP more horsepower.

When accelerating from 0 to 100 km/h, the BMW 4 Series Convertible is moderately quicker – completing the sprint in 3.7 s, while the Mercedes G-Class takes 4.4 s. That’s about 0.7 s quicker.

There’s also a difference in torque: the Mercedes G-Class delivers clearly more torque with 1,164 Nm compared to 700 Nm. That’s about 464 Nm more.

4 Series Convertible

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes G-Class offers more seats – 5 vs 4.

In terms of curb weight, BMW 4 Series Convertible is clearly lighter – 1,765 kg compared to 2,485 kg. The difference is around 720 kg.

Looking at boot space, the Mercedes G-Class offers visibly more boot space – 640 L compared to 385 L. That’s a difference of about 255 L.

When it comes to payload, the Mercedes G-Class carries considerably more – 715 kg compared to 420 kg. That’s a difference of about 295 kg.

Who wins the race in the data check?

The Mercedes G-Class 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 £106,600
G-Class

Mercedes G-Class

  • Engine Type : Petrol MHEV, Diesel MHEV, Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 387 - 605 HP
  • Consumption L/100km : 8.7 - 14.7 L/100km
  • Consumption kWh/100km : 28 kWh/100km
  • Electric Range : 479 km
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Frequently compared as well

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Mercedes G-Class

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

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Mercedes G-Class

The G-Class, often called the G‑Wagen, is a blocky icon that blends unapologetic off-road prowess with a plush, modern cabin, announcing your arrival before you even step out. It’s equally at home crawling over rocks or cruising city streets, and owning one feels like adopting a very expensive, very capable personality.

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Reviews Mercedes G-Class

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

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BMW 4 Series Convertible
Mercedes G-Class

Costs and Consumption
Price
52,100 - 96,600 £
Price
106,600 - 171,000 £
Consumption L/100km
5.2 - 10.2 L/100km
Consumption L/100km
8.7 - 14.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
28 kWh/100km
Electric Range
-
Electric Range
479 km
Battery Capacity
-
Battery Capacity
-
co2
136 - 231 g/km
co2
0 - 336 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Off-Roader
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,765 - 2,055 kg
Curb weight
2,485 - 3,085 kg
Trunk capacity
385 L
Trunk capacity
640 L
Length
-
Length
-
Width
1,852 - 1,887 mm
Width
1,931 - 1,984 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
345 - 420 kg
Payload
115 - 715 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol, Petrol MHEV
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
184 - 530 HP
Power HP
387 - 605 HP
Acceleration 0-100km/h
3.7 - 8.2 s
Acceleration 0-100km/h
4.4 - 5.8 s
Max Speed
-
Max Speed
-
Torque
300 - 700 Nm
Torque
760 - 1,164 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6 - 8
Power kW
135 - 390 kW
Power kW
285 - 445 kW
Engine capacity
1,995 - 2,998 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2,024 - 2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F, G
CO2 Efficiency Class
G, A
Brand
BMW
Brand
Mercedes-Benz
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.