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Porsche 911 Convertible vs Mercedes EQB comparison

Compare performance (711 HP vs 292 HP), boot space and price (138,000 £ vs 45,900 £ ) at a glance. Find out which car is the better choice for you – Porsche 911 Convertible or Mercedes EQB?

Porsche 911 Convertible vs Mercedes EQB: Key differences

Porsche 911 Convertible

  • considerably more power
  • significantly quicker 0–100 km/h
  • noticeably lighter
details

Mercedes EQB

4.3 (4 Reviews)
rate
  • substantially cheaper
  • noticeably more trunk space
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All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

911 Convertible

Costs and Efficiency:

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

Mercedes EQB is substantially cheaper – starting at 45,900 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 92,131 £.

EQB

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 Porsche 911 Convertible offers considerably more power – delivering 711 HP compared to 292 HP. That’s roughly 419 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 EQB takes 6.2 s. That’s about 3.6 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers clearly more torque with 800 Nm compared to 520 Nm. That’s about 280 Nm more.

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 EQB offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is noticeably lighter – 1,572 kg compared to 2,105 kg. The difference is around 533 kg.

Looking at boot space, the Mercedes EQB offers noticeably more boot space – 495 L compared to 373 L. That’s a difference of about 122 L.

When it comes to payload, the Mercedes EQB carries visibly more – 435 kg compared to 345 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The Mercedes EQB holds a solid 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 £45,900
EQB

Mercedes EQB

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 190 - 292 HP
  • Consumption kWh/100km 15.2 - 17.2 kWh/100km
  • Electric Range 468 - 535 km
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Frequently compared as well

Mercedes EQB
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Porsche 911 Convertible
Mercedes EQB

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

No reviews yet. Share your experience and help others decide.

Mercedes EQB

The Mercedes EQB is an electric compact SUV that dresses Mercedes' premium feel in practical clothing, with flexible seating and a serene, composed ride that turns everyday errands into a small luxury. It won't thrill the enthusiast, but for buyers who want a smart, spacious and well-made EV with tasteful tech and real-world usability, the EQB is a sensible, slightly buttoned-up choice that impresses without shouting.

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Reviews Mercedes EQB

4.3 (4 Reviews)
rate
Stefan
4 Dec 2025, 21:05:57

A bit boring and no longer up-to-date with its slow charging speed...

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Porsche 911 Convertible
Mercedes EQB

Costs and Consumption
Price
138,000 - 244,500 £
Price
45,900 - 58,900 £
Consumption L/100km
10.5 - 13.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
15.2 - 17.2 kWh/100km
Electric Range
-
Electric Range
468 - 535 km
Battery Capacity
-
Battery Capacity
70.5 kWh
co2
237 - 310 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Convertible
Body Type
SUV
Seats
2 - 4
Seats
5
Doors
-
Doors
5
Curb weight
1,572 - 1,900 kg
Curb weight
2,105 - 2,170 kg
Trunk capacity
163 - 373 L
Trunk capacity
495 L
Length
-
Length
4,684 mm
Width
1,852 - 1,900 mm
Width
1,834 mm
Height
-
Height
1,654 - 1,689 mm
Max trunk capacity
-
Max trunk capacity
1,710 L
Payload
195 - 345 kg
Payload
435 kg

Engine and Performance
Engine Type
Petrol, Full Hybrid
Engine Type
Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
394 - 711 HP
Power HP
190 - 292 HP
Acceleration 0-100km/h
2.6 - 4.7 s
Acceleration 0-100km/h
6.2 - 8.9 s
Max Speed
-
Max Speed
160 km/h
Torque
450 - 800 Nm
Torque
385 - 520 Nm
Number of Cylinders
6
Number of Cylinders
-
Power kW
290 - 523 kW
Power kW
140 - 215 kW
Engine capacity
2,981 - 3,996 cm3
Engine capacity
-

General
Model Year
2,024 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Porsche
Brand
Mercedes-Benz
What drivetrain options does the Porsche 911 Convertible have?

The Porsche 911 Convertible 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.