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Mercedes EQS vs Porsche 911 Convertible comparison

Compare performance (585 HP vs 711 HP), boot space and price (80,900 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes EQS or Porsche 911 Convertible?

Mercedes EQS vs Porsche 911 Convertible: Key differences

Mercedes EQS

  • considerably cheaper
  • noticeably more trunk space
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Porsche 911 Convertible

  • somewhat more power
  • substantially 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

EQS

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes EQS is considerably cheaper – starting at 80,900 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 57,084 £.

911 Convertible

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 Porsche 911 Convertible offers somewhat more power – delivering 711 HP compared to 585 HP. That’s roughly 126 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is substantially quicker – completing the sprint in 2.6 s, while the Mercedes EQS takes 4.1 s. That’s about 1.5 s quicker.

Both models offer the same torque – 800 Nm.

EQS

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: Mercedes EQS offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is clearly lighter – 1,572 kg compared to 2,550 kg. The difference is around 978 kg.

Looking at boot space, the Mercedes EQS offers noticeably more boot space – 610 L compared to 373 L. That’s a difference of about 237 L.

When it comes to payload, the Mercedes EQS carries visibly more – 570 kg compared to 345 kg. That’s a difference of about 225 kg.

Who wins the race in the data check?

The Mercedes EQS is clearly superior 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 £80,900
EQS

Mercedes EQS

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 367 - 585 HP
  • Consumption kWh/100km : 15.5 - 16.3 kWh/100km
  • Electric Range : 810 - 920 km
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Porsche 911 Convertible

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes EQS

The Mercedes EQS is a silent, spaceship-like flagship that turns electric luxury into zen on wheels, wrapped in a swooping design that insists on being admired. Inside it’s all glassy screens and soft-touch surfaces that make long trips feel like first class, and the driving experience is composed and effortless — like a courteous butler with an electric heart.

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Reviews Mercedes EQS

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Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Reviews Porsche 911 Convertible

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Mercedes EQS
Porsche 911 Convertible

Costs and Consumption
Price
80,900 - 117,500 £
Price
138,000 - 244,500 £
Consumption L/100km
-
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
15.5 - 16.3 kWh/100km
Consumption kWh/100km
-
Electric Range
810 - 920 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Convertible
Seats
5
Seats
2 - 4
Doors
-
Doors
-
Curb weight
2,550 - 2,660 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
610 L
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,926 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
545 - 570 kg
Payload
195 - 345 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
367 - 585 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
4.1 - 6.2 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
-
Torque
505 - 800 Nm
Torque
450 - 800 Nm
Number of Cylinders
-
Number of Cylinders
6
Power kW
270 - 430 kW
Power kW
290 - 523 kW
Engine capacity
-
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2026
Model Year
2,024 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche
What drive types are available for the Mercedes EQS?

The Mercedes EQS is offered with 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.