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Porsche 911 Convertible vs Mercedes C Class Estate comparison
Compare performance (711 HP vs 288 HP), boot space and price (138,000 £ vs 42,600 £ ) at a glance. Find out which car is the better choice for you – Porsche 911 Convertible or Mercedes C Class Estate?
Porsche 911 Convertible vs Mercedes C Class Estate: Key differences
All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.
911 Convertible
Costs and Efficiency:
Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.
Mercedes C Class Estate is substantially 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 clearly more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 5.8 L/100km.
C Class Estate
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 substantially 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 considerably 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.
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 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 clearly 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 visibly 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
Mercedes C Class Estate
Porsche 911 Convertible
Mercedes C Class Estate
Costs and Consumption
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Engine and Performance
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Dimensions and Body
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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.
details
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.
details
Porsche 911 Convertible
Mercedes C Class Estate
Costs and Consumption |
|
|---|---|
|
Price
138,000 - 244,500 £
|
Price
42,600 - 67,200 £
|
|
Consumption L/100km
10.5 - 13.7 L/100km
|
Consumption L/100km
4.7 - 6.9 L/100km
|
|
Consumption kWh/100km
-
|
Consumption kWh/100km
-
|
|
Electric Range
-
|
Electric Range
-
|
|
Battery Capacity
-
|
Battery Capacity
-
|
|
co2
237 - 310 g/km
|
co2
123 - 157 g/km
|
|
Fuel tank capacity
-
|
Fuel tank capacity
-
|
Dimensions and Body |
|
|---|---|
|
Body Type
Convertible
|
Body Type
Estate
|
|
Seats
2 - 4
|
Seats
5
|
|
Doors
-
|
Doors
-
|
|
Curb weight
1,572 - 1,900 kg
|
Curb weight
1,755 - 1,940 kg
|
|
Trunk capacity
163 - 373 L
|
Trunk capacity
490 L
|
|
Length
-
|
Length
-
|
|
Width
1,852 - 1,900 mm
|
Width
1,820 mm
|
|
Height
-
|
Height
-
|
|
Max trunk capacity
-
|
Max trunk capacity
-
|
|
Payload
195 - 345 kg
|
Payload
460 - 565 kg
|
Engine and Performance |
|
|---|---|
|
Engine Type
Petrol, Full Hybrid
|
Engine Type
Petrol MHEV, Diesel MHEV
|
|
Transmission
Manuel, Automatic
|
Transmission
Automatic
|
|
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
|
Transmission Detail
Automatic Gearbox
|
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
Drive Type
Rear-Wheel Drive, All-Wheel Drive
|
|
Power HP
394 - 711 HP
|
Power HP
186 - 288 HP
|
|
Acceleration 0-100km/h
2.6 - 4.7 s
|
Acceleration 0-100km/h
5.8 - 8.8 s
|
|
Max Speed
-
|
Max Speed
-
|
|
Torque
450 - 800 Nm
|
Torque
250 - 550 Nm
|
|
Number of Cylinders
6
|
Number of Cylinders
4
|
|
Power kW
290 - 523 kW
|
Power kW
137 - 212 kW
|
|
Engine capacity
2,981 - 3,996 cm3
|
Engine capacity
1,496 - 1,999 cm3
|
General |
|
|---|---|
|
Model Year
2,024 - 2,026
|
Model Year
2,024 - 2,025
|
|
CO2 Efficiency Class
G
|
CO2 Efficiency Class
E, F, D
|
|
Brand
Porsche
|
Brand
Mercedes-Benz
|
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.