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Maserati Gran Convertible vs Mercedes S-Class comparison

Compare performance (550 HP vs 635 HP), boot space and price (143,100 £ vs 104,000 £ ) at a glance. Find out which car is the better choice for you – Maserati Gran Convertible or Mercedes S-Class?

Maserati Gran Convertible vs Mercedes S-Class: Key differences

Maserati Gran Convertible

  • moderately quicker 0–100 km/h
  • markedly lighter
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Mercedes S-Class

  • clearly cheaper
  • somewhat more power
  • clearly more efficient
  • considerably more trunk space
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By Achim Sedelmaier

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

Gran Convertible

Costs and Efficiency:

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

Mercedes S-Class is clearly cheaper – starting at 104,000 £ , while the Maserati Gran Convertible costs 143,100 £ . That’s a price difference of around 39,050 £.

Fuel consumption also shows a difference: the Mercedes S-Class uses 2.2 L/100km and is clearly more efficient than the Maserati Gran Convertible with 10.2 L/100km. The difference is about 8 L/100km.

S-Class

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Mercedes S-Class offers somewhat more power – delivering 635 HP compared to 550 HP. That’s roughly 85 HP more horsepower.

When accelerating from 0 to 100 km/h, the Maserati Gran Convertible is moderately quicker – completing the sprint in 3.6 s, while the Mercedes S-Class takes 4 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes S-Class delivers noticeably more torque with 850 Nm compared to 650 Nm. That’s about 200 Nm more.

Gran Convertible

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

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

In terms of curb weight, Maserati Gran Convertible is markedly lighter – 1,795 kg compared to 2,165 kg. The difference is around 370 kg.

Looking at boot space, the Mercedes S-Class offers considerably more boot space – 530 L compared to 172 L. That’s a difference of about 358 L.

When it comes to payload, the Mercedes S-Class carries noticeably more – 660 kg compared to 500 kg. That’s a difference of about 160 kg.

Who wins the race in the data check?

The Mercedes S-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 £104,000
S-Class

Mercedes S-Class

  • Engine Type Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 336 - 635 HP
  • Consumption L/100km 2.2 - 11 L/100km
  • Electric Range 98 - 118 km
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Maserati Gran Convertible
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Maserati Gran Convertible

The Maserati GranCabrio is a striking, sun-loving grand tourer that blends Italian flair with a soundtrack that turns every weekend run into an event. It promises effortless cruising and a cabin wrapped in luxury materials, making it as comfortable on a coastal boulevard as it is show-stopping at a valet line.

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Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Maserati Gran Convertible
Mercedes S-Class

Costs and Consumption
Price
143,100 - 177,800 £
Price
104,000 - 201,400 £
Consumption L/100km
10.2 - 10.4 L/100km
Consumption L/100km
2.2 - 11 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
98 - 118 km
Battery Capacity
-
Battery Capacity
-
co2
230 - 235 g/km
co2
50 - 252 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
Sedan
Seats
4
Seats
5
Doors
-
Doors
-
Curb weight
1,795 kg
Curb weight
2,165 - 2,650 kg
Trunk capacity
172 L
Trunk capacity
345 - 530 L
Length
-
Length
-
Width
1,957 mm
Width
1,921 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
500 kg
Payload
420 - 660 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
490 - 550 HP
Power HP
336 - 635 HP
Acceleration 0-100km/h
3.6 - 3.9 s
Acceleration 0-100km/h
4 - 5.7 s
Max Speed
-
Max Speed
-
Torque
600 - 650 Nm
Torque
560 - 850 Nm
Number of Cylinders
6
Number of Cylinders
6 - 8
Power kW
361 - 404 kW
Power kW
247 - 467 kW
Engine capacity
2,992 cm3
Engine capacity
2,989 - 3,982 cm3

General
Model Year
2026
Model Year
2026
CO2 Efficiency Class
G
CO2 Efficiency Class
G, B, F
Brand
Maserati
Brand
Mercedes-Benz
What drive types are available for the Maserati Gran Convertible?

Available configurations include 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.