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Mercedes C Class Sedan vs Porsche 911 Coupe - Differences and prices compared

Compare performance (680 HP vs 711 HP), boot space and price (41300 £ vs 116800 £ ) at a glance. Find out which car is the better choice for you – Mercedes C Class Sedan or Porsche 911 Coupe?

Mercedes C Class Sedan

Porsche 911 Coupe

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

C Class Sedan

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 Sedan has a decisively advantage in terms of price – it starts at 41300 £ , while the Porsche 911 Coupe costs 116800 £ . That’s a price difference of around 75503 £.

Fuel consumption also shows a difference: Mercedes C Class Sedan manages with 1.60 L and is therefore clearly more efficient than the Porsche 911 Coupe with 10.10 L. The difference is about 8.50 L per 100 km.

911 Coupe

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 Coupe has a slight edge – offering 711 HP compared to 680 HP. That’s roughly 31 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche 911 Coupe is clearly perceptible quicker – completing the sprint in 2.50 s, while the Mercedes C Class Sedan takes 3.40 s. That’s about 0.90 s faster.

In terms of top speed, the Porsche 911 Coupe performs a bit better – reaching 322 km/h, while the Mercedes C Class Sedan tops out at 280 km/h. The difference is around 42 km/h.

There’s also a difference in torque: Mercedes C Class Sedan pulls evident stronger with 1020 Nm compared to 800 Nm. That’s about 220 Nm difference.

C Class Sedan

Space and Everyday Use:

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

Seats: Mercedes C Class Sedan offers convincingly more seating capacity – 5 vs 2.

In curb weight, Porsche 911 Coupe is a bit lighter – 1525 kg compared to 1695 kg. The difference is around 170 kg.

In terms of boot space, the Mercedes C Class Sedan offers somewhat more room – 455 L compared to 373 L. That’s a difference of about 82 L.

When it comes to payload, Mercedes C Class Sedan convincingly takes the win – 570 kg compared to 310 kg. That’s a difference of about 260 kg.

Who wins the race in the data check?

The Mercedes C Class Sedan 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.

Mercedes C Class Sedan
Porsche 911 Coupe

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis
from about £41,300
C Class Sedan

Mercedes C Class Sedan

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 1.6 - 9 L
  • Electric Range : 11 - 117 km

Mercedes C Class Sedan

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

details

Porsche 911 Coupe

The Porsche 911 Coupe remains the iconic sports car you buy when you want a thrilling weekend weapon that still behaves like a civilized companion during the weekdays. Its classic silhouette and razor‑sharp handling deliver a grin-inducing drive every time, while the polished interior and intuitive controls remind you this is a car built for drivers, not just headlines.

details
Mercedes C Class Sedan
Porsche 911 Coupe

Costs and Consumption

Price
41300 - 103100 £
Price
116800 - 301000 £
Consumption L/100km
1.6 - 9 L
Consumption L/100km
10.1 - 13.8 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
11 - 117 km
Electric Range
-
Battery Capacity
19.50 kWh
Battery Capacity
-
co2
41 - 205 g/km
co2
229 - 312 g/km
Fuel tank capacity
40 - 66 L
Fuel tank capacity
63 - 64 L

Dimensions and Body

Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
4
Doors
2
Curb weight
1695 - 2195 kg
Curb weight
1525 - 1815 kg
Trunk capacity
280 - 455 L
Trunk capacity
264 - 373 L
Length
4751 - 4842 mm
Length
4542 - 4572 mm
Width
1820 - 1900 mm
Width
1852 - 1900 mm
Height
1438 - 1458 mm
Height
1279 - 1322 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
480 - 570 kg
Payload
228 - 310 kg

Engine and Performance

Engine Type
Petrol MHEV, Plugin Hybrid, 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
183 - 680 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
3.4 - 8.6 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
230 - 280 km/h
Max Speed
294 - 322 km/h
Torque
250 - 1020 Nm
Torque
450 - 800 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
135 - 500 kW
Power kW
290 - 523 kW
Engine capacity
1496 - 1999 cm3
Engine capacity
2981 - 3996 cm3

General

Model Year
2024 - 2025
Model Year
2022 - 2026
CO2 Efficiency Class
E, B, D, G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche
Is the Mercedes C Class Sedan offered with different drivetrains?

The Mercedes C Class Sedan is offered with Rear-Wheel Drive or All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.