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Mercedes E Class vs Porsche 911 Convertible comparison

Compare performance (585 HP vs 711 HP), boot space and price (50,500 £ vs 122,400 £ ) at a glance. Find out which car is the better choice for you – Mercedes E Class or Porsche 911 Convertible?

Mercedes E Class vs Porsche 911 Convertible: Key differences

Mercedes E Class

4.4 (1 Reviews)
rate
  • considerably cheaper
  • substantially more efficient
  • considerably more trunk space

Porsche 911 Convertible

  • moderately more power
  • significantly quicker 0–100 km/h
  • very slightly lighter

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

E Class

Costs and Efficiency:

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

Mercedes E Class is considerably cheaper – starting at 50,500 £ , while the Porsche 911 Convertible costs 122,400 £ . That’s a price difference of around 71,910 £.

Fuel consumption also shows a difference: the Mercedes E Class uses 1.5 L/100km and is substantially more efficient than the Porsche 911 Convertible with 10.3 L/100km. The difference is about 8.8 L/100km.

911 Convertible

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 Porsche 911 Convertible offers moderately 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 significantly quicker – completing the sprint in 2.6 s, while the Mercedes E Class takes 4 s. That’s about 1.4 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers marginally more torque with 800 Nm compared to 750 Nm. That’s about 50 Nm more.

E Class

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 E Class offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is very slightly lighter – 1,655 kg compared to 1,810 kg. The difference is around 155 kg.

Looking at boot space, the Mercedes E Class offers considerably more boot space – 540 L compared to 163 L. That’s a difference of about 377 L.

When it comes to payload, the Mercedes E Class carries clearly more – 640 kg compared to 345 kg. That’s a difference of about 295 kg.

Who wins the race in the data check?

The Mercedes E Class 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 £50,500
E Class

Mercedes E Class

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 186 - 585 HP
  • Consumption L/100km : 1.5 - 7.5 L/100km
  • Electric Range : 101 - 116 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes E Class

The Mercedes E‑Class is the executive saloon that balances calm refinement with a hint of sporting intent, wrapping luxury in tasteful understatement. It pampers occupants with a composed ride and intuitive tech while quietly reminding you that it’s still very much a Mercedes — authoritative, polished, and unwilling to shout for attention.

details
19C0741_014
19C0741_016
18C0338_006

Reviews Mercedes E Class

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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 E Class
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Costs and Consumption
Price
50,500 - 119,700 £
Price
122,400 - 244,500 £
Consumption L/100km
1.5 - 7.5 L/100km
Consumption L/100km
10.3 - 11.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
101 - 116 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
39 - 172 g/km
co2
234 - 265 g/km
Fuel tank capacity
-
Fuel tank capacity
63 L

Dimensions and Body
Body Type
Sedan
Body Type
Convertible
Seats
5
Seats
4
Doors
-
Doors
2
Curb weight
1,810 - 2,390 kg
Curb weight
1,655 - 1,900 kg
Trunk capacity
370 - 540 L
Trunk capacity
163 L
Length
-
Length
4,542 - 4,553 mm
Width
1,880 mm
Width
1,852 - 1,900 mm
Height
-
Height
1,292 - 1,298 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
530 - 640 kg
Payload
275 - 345 kg

Engine and Performance
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel MHEV
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
186 - 585 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
4 - 8.5 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
291 - 312 km/h
Torque
320 - 750 Nm
Torque
450 - 800 Nm
Number of Cylinders
4 - 6
Number of Cylinders
6
Power kW
137 - 430 kW
Power kW
290 - 523 kW
Engine capacity
1,993 - 2,999 cm3
Engine capacity
2,981 - 3,591 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,026
CO2 Efficiency Class
E, F, B, D
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche
What drivetrain options does the Mercedes E Class have?

The Mercedes E Class 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.