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Mercedes G Class vs Ferrari Roma Convertible comparison

Compare performance (605 HP vs 620 HP), boot space and price (106,600 £ vs 207,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes G Class or Ferrari Roma Convertible?

Mercedes G Class vs Ferrari Roma Convertible: Key differences

Mercedes G Class

  • significantly cheaper
  • somewhat more efficient
  • clearly more trunk space
details

Ferrari Roma Convertible

  • marginally more power
  • clearly quicker 0–100 km/h
  • clearly lighter
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By Achim Sedelmaier

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

G Class

Costs and Efficiency:

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

Mercedes G Class is significantly cheaper – starting at 106,600 £ , while the Ferrari Roma Convertible costs 207,700 £ . That’s a price difference of around 101,109 £.

Fuel consumption also shows a difference: the Mercedes G Class uses 8.7 L/100km and is somewhat more efficient than the Ferrari Roma Convertible with 10.3 L/100km. The difference is about 1.6 L/100km.

G Class

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 Ferrari Roma Convertible offers marginally more power – delivering 620 HP compared to 605 HP. That’s roughly 15 HP more horsepower.

When accelerating from 0 to 100 km/h, the Ferrari Roma Convertible is clearly quicker – completing the sprint in 3.4 s, while the Mercedes G Class takes 4.4 s. That’s about 1 s quicker.

There’s also a difference in torque: the Mercedes G Class delivers markedly more torque with 1,164 Nm compared to 760 Nm. That’s about 404 Nm more.

G Class

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, Ferrari Roma Convertible is clearly lighter – 1,654 kg compared to 2,485 kg. The difference is around 831 kg.

Looking at boot space, the Mercedes G Class offers clearly more boot space – 640 L compared to 272 L. That’s a difference of about 368 L.

Who wins the race in the data check?

The Mercedes G Class holds a decisive overall lead 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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View detailed analysis

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View detailed analysis

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View detailed analysis

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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18C0997_133
19C0473_066
18C0997_262

Reviews Mercedes G Class

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Ferrari Roma Convertible

The Ferrari Roma Spider dresses the marque’s drama in a restrained, almost polite suit, folding its roof away to reveal a cabin that feels as civilized as it does intoxicating. Behind the wheel it serves grand touring manners with a playful shove and soundtrack, perfect for drivers who want thrilling Ferrari emotion without the daily fuss.

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Reviews Ferrari Roma Convertible

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Mercedes G Class
Ferrari Roma Convertible

Costs and Consumption
Price
106,600 - 171,000 £
Price
207,700 £
Consumption L/100km
8.7 - 14.7 L/100km
Consumption L/100km
10.3 L/100km
Consumption kWh/100km
28 kWh/100km
Consumption kWh/100km
-
Electric Range
479 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 336 g/km
co2
234 g/km
Fuel tank capacity
-
Fuel tank capacity
80 L

Dimensions and Body
Body Type
Off-Roader
Body Type
Convertible
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
2,485 - 3,085 kg
Curb weight
1,654 kg
Trunk capacity
640 L
Trunk capacity
272 L
Length
-
Length
4,656 mm
Width
1,931 - 1,984 mm
Width
1,974 mm
Height
-
Height
1,306 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
115 - 715 kg
Payload
-

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
387 - 605 HP
Power HP
620 HP
Acceleration 0-100km/h
4.4 - 5.8 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
320 km/h
Torque
760 - 1,164 Nm
Torque
760 Nm
Number of Cylinders
6 - 8
Number of Cylinders
8
Power kW
285 - 445 kW
Power kW
456 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
3,855 cm3

General
Model Year
2,025 - 2,026
Model Year
2023
CO2 Efficiency Class
G, A
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Ferrari
What drivetrain options does the Mercedes G Class have?

The Mercedes G Class is available as 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.