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Porsche Panamera vs Mercedes C-Class Saloon comparison

Compare performance (782 HP vs 680 HP), boot space and price (99,800 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Porsche Panamera or Mercedes C-Class Saloon?

Porsche Panamera vs Mercedes C-Class Saloon: Key differences

Porsche Panamera

  • slightly more power
  • considerably more efficient
  • significantly more electric range
  • somewhat quicker 0–100 km/h
  • very slightly more trunk space
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Mercedes C-Class Saloon

  • significantly cheaper
  • somewhat lighter
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By Achim Sedelmaier

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

Panamera

Costs and Efficiency:

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

Mercedes C-Class Saloon is significantly cheaper – starting at 41,300 £ , while the Porsche Panamera costs 99,800 £ . That’s a price difference of around 58,446 £.

Fuel consumption also shows a difference: the Porsche Panamera uses 3 L/100km and is considerably more efficient than the Mercedes C-Class Saloon with 4.5 L/100km. The difference is about 1.5 L/100km.

As for electric range, the Porsche Panamera offers significantly more range – reaching up to 97 km, about 86 km more than the Mercedes C-Class Saloon.

C-Class Saloon

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 Panamera offers slightly more power – delivering 782 HP compared to 680 HP. That’s roughly 102 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche Panamera is somewhat quicker – completing the sprint in 2.9 s, while the Mercedes C-Class Saloon takes 3.4 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Mercedes C-Class Saloon delivers barely more torque with 1,020 Nm compared to 1,000 Nm. That’s about 20 Nm more.

Panamera

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 C-Class Saloon offers more seats – 5 vs 4.

In terms of curb weight, Mercedes C-Class Saloon is somewhat lighter – 1,695 kg compared to 1,960 kg. The difference is around 265 kg.

Looking at boot space, the Porsche Panamera offers very slightly more boot space – 494 L compared to 455 L. That’s a difference of about 39 L.

When it comes to payload, the Mercedes C-Class Saloon carries only slightly more – 570 kg compared to 545 kg. That’s a difference of about 25 kg.

Who wins the race in the data check?

The Porsche Panamera is far ahead 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 £99,800
Panamera

Porsche Panamera

  • Engine Type Petrol, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 353 - 782 HP
  • Consumption L/100km 3 - 12 L/100km
  • Electric Range 83 - 97 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Porsche Panamera

The Porsche Panamera blends sports-car sharpness with luxury-sedan refinement, serving driving thrills up front while pampering passengers in the back. Poised, polished and mischievously quick, it’s the car for buyers who want exotic performance without losing everyday comfort.

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Mercedes C-Class Saloon

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.

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Costs and Consumption
Price
99,800 - 212,100 £
Price
41,300 - 103,400 £
Consumption L/100km
3 - 12 L/100km
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
83 - 97 km
Electric Range
11 km
Battery Capacity
21.8 kWh
Battery Capacity
-
co2
69 - 274 g/km
co2
119 - 205 g/km
Fuel tank capacity
75 - 90 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
4
Seats
5
Doors
5
Doors
-
Curb weight
1,960 - 2,535 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
421 - 494 L
Trunk capacity
280 - 455 L
Length
5,052 - 5,204 mm
Length
-
Width
1,937 mm
Width
1,820 - 1,900 mm
Height
1,415 - 1,428 mm
Height
-
Max trunk capacity
1,255 - 1,385 L
Max trunk capacity
-
Payload
340 - 545 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Petrol, Plugin Hybrid
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
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
353 - 782 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
2.9 - 5.3 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
270 - 325 km/h
Max Speed
-
Torque
500 - 1,000 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
6 - 8
Number of Cylinders
4
Power kW
260 - 575 kW
Power kW
135 - 500 kW
Engine capacity
2,894 - 3,996 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2025
Model Year
2,024 - 2,025
CO2 Efficiency Class
G, B, C
CO2 Efficiency Class
E, D, G
Brand
Porsche
Brand
Mercedes-Benz
What drive types are available for the Porsche Panamera?

The Porsche Panamera 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.