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Mercedes C Class Estate vs Porsche 911 Convertible comparison

Compare performance (288 HP vs 711 HP), boot space and price (42,600 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes C Class Estate or Porsche 911 Convertible?

Mercedes C Class Estate vs Porsche 911 Convertible: Key differences

Mercedes C Class Estate

3.6 (1 Reviews)
rate
  • considerably cheaper
  • substantially more efficient
  • markedly more trunk space
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Porsche 911 Convertible

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

C Class Estate

Costs and Efficiency:

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

Mercedes C Class Estate is considerably cheaper – starting at 42,600 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 95,400 £.

Fuel consumption also shows a difference: the Mercedes C Class Estate uses 4.7 L/100km and is substantially more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 5.8 L/100km.

911 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 Porsche 911 Convertible offers considerably more power – delivering 711 HP compared to 288 HP. That’s roughly 423 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 C Class Estate takes 5.8 s. That’s about 3.2 s quicker.

There’s also a difference in torque: the Porsche 911 Convertible delivers visibly more torque with 800 Nm compared to 550 Nm. That’s about 250 Nm more.

C Class Estate

Space and Everyday Use:

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

Seats: Mercedes C Class Estate offers more seats – 5 vs 4.

In terms of curb weight, Porsche 911 Convertible is slightly lighter – 1,572 kg compared to 1,755 kg. The difference is around 183 kg.

Looking at boot space, the Mercedes C Class Estate offers markedly more boot space – 490 L compared to 373 L. That’s a difference of about 117 L.

When it comes to payload, the Mercedes C Class Estate carries clearly more – 565 kg compared to 345 kg. That’s a difference of about 220 kg.

Who wins the race in the data check?

The Mercedes C Class Estate is decisively ahead 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 £42,600
C Class Estate

Mercedes C Class Estate

  • Engine Type Petrol MHEV, Diesel MHEV
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 186 - 288 HP
  • Consumption L/100km 4.7 - 6.9 L/100km
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Frequently compared as well

Mercedes C Class Estate
Volvo V60
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If you're choosing between the Mercedes C-Class wagon and the Volvo V60, you're weighing polished German refinement against Scandinavian practicality. The C-Class prioritizes luxury, ride composure and badge appeal, while the V60 focuses on clever packaging, safety features and real-world …
Mercedes C Class Estate
Mercedes CLA Shooting Brake
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Mercedes C Class Estate
Porsche 911 Convertible

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes C Class Estate

The Mercedes C-Class wagon dresses Mercedes refinement in a sensible, practical package, marrying a sleek estate silhouette with a plush, high-quality cabin that feels more premium than its badge implies. It quietly soaks up motorway miles and cartloads of family kit with composed handling and effortless comfort — a clever alternative to an SUV for buyers who still like to steer.

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21C0681_025
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Reviews Mercedes C Class Estate

3.6 (1 Reviews)
rate
Storcki
15 May 2026, 10:11:16

To me, the CLA's interior and front end are tasteless and an affront — the C estate is clearly much more attractive.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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.

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Mercedes C Class Estate
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Mercedes C Class Estate
Porsche 911 Convertible

Costs and Consumption
Price
42,600 - 67,200 £
Price
138,000 - 244,500 £
Consumption L/100km
4.7 - 6.9 L/100km
Consumption L/100km
10.5 - 13.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
123 - 157 g/km
co2
237 - 310 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Convertible
Seats
5
Seats
2 - 4
Doors
-
Doors
-
Curb weight
1,755 - 1,940 kg
Curb weight
1,572 - 1,900 kg
Trunk capacity
490 L
Trunk capacity
163 - 373 L
Length
-
Length
-
Width
1,820 mm
Width
1,852 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
460 - 565 kg
Payload
195 - 345 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic 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
186 - 288 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
5.8 - 8.8 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
-
Max Speed
-
Torque
250 - 550 Nm
Torque
450 - 800 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
137 - 212 kW
Power kW
290 - 523 kW
Engine capacity
1,496 - 1,999 cm3
Engine capacity
2,981 - 3,996 cm3

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

The Mercedes C Class Estate 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.