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Mercedes GLS vs Ferrari Roma Convertible comparison

Compare performance (404 HP vs 620 HP), boot space and price (92,700 £ vs 207,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes GLS or Ferrari Roma Convertible?

Mercedes GLS vs Ferrari Roma Convertible: Key differences

Mercedes GLS

  • substantially cheaper
  • visibly more efficient
  • markedly more trunk space
details

Ferrari Roma Convertible

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

By Achim Sedelmaier

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

GLS

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mercedes GLS is substantially cheaper – starting at 92,700 £ , while the Ferrari Roma Convertible costs 207,700 £ . That’s a price difference of around 115,037 £.

Fuel consumption also shows a difference: the Mercedes GLS uses 7.9 L/100km and is visibly more efficient than the Ferrari Roma Convertible with 10.3 L/100km. The difference is about 2.4 L/100km.

Roma Convertible

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 Ferrari Roma Convertible offers clearly more power – delivering 620 HP compared to 404 HP. That’s roughly 216 HP more horsepower.

When accelerating from 0 to 100 km/h, the Ferrari Roma Convertible is considerably quicker – completing the sprint in 3.4 s, while the Mercedes GLS takes 5.6 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the Ferrari Roma Convertible delivers barely more torque with 760 Nm compared to 750 Nm. That’s about 10 Nm more.

GLS

Space and Everyday Use:

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

Seats: Mercedes GLS offers more seats – 7 vs 4.

In terms of curb weight, Ferrari Roma Convertible is substantially lighter – 1,654 kg compared to 2,580 kg. The difference is around 926 kg.

Looking at boot space, the Mercedes GLS offers markedly more boot space – 355 L compared to 272 L. That’s a difference of about 83 L.

Who wins the race in the data check?

The Ferrari Roma Convertible holds a slight edge 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.

£207,699
Roma Convertible

Ferrari Roma Convertible

  • Engine Type Petrol
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive
  • Power HP 620 HP
  • Consumption L/100km 10.3 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

Mercedes GLS

The GLS — usually just called the GLS — is Mercedes' flagship SUV, wrapping limousine-like comfort and commanding road presence into a smart, family-ready package. It pampers occupants with a hushed cabin, premium materials and intuitive tech, while still managing to feel confident and a little indulgent on the daily commute.

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Reviews Mercedes GLS

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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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Ferrari Roma Convertible

Costs and Consumption
Price
92,700 - 104,600 £
Price
207,700 £
Consumption L/100km
7.9 - 9.9 L/100km
Consumption L/100km
10.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 226 g/km
co2
234 g/km
Fuel tank capacity
-
Fuel tank capacity
80 L

Dimensions and Body
Body Type
SUV
Body Type
Convertible
Seats
7
Seats
4
Doors
-
Doors
2
Curb weight
2,580 - 2,670 kg
Curb weight
1,654 kg
Trunk capacity
355 L
Trunk capacity
272 L
Length
-
Length
4,656 mm
Width
1,956 mm
Width
1,974 mm
Height
-
Height
1,306 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
810 - 820 kg
Payload
-

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
336 - 404 HP
Power HP
620 HP
Acceleration 0-100km/h
5.6 - 6.2 s
Acceleration 0-100km/h
3.4 s
Max Speed
-
Max Speed
320 km/h
Torque
560 - 750 Nm
Torque
760 Nm
Number of Cylinders
6
Number of Cylinders
8
Power kW
247 - 297 kW
Power kW
456 kW
Engine capacity
2,989 - 2,999 cm3
Engine capacity
3,855 cm3

General
Model Year
2026
Model Year
2023
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Ferrari
Is the Mercedes GLS offered with different drivetrains?

The Mercedes GLS 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.