VS

Mercedes SL Class vs Porsche Panamera comparison

Compare performance (816 HP vs 782 HP), boot space and price (112,700 £ vs 99,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Porsche Panamera?

Mercedes SL Class vs Porsche Panamera: Key differences

Mercedes SL Class

  • very slightly more power
  • barely lighter

Porsche Panamera

  • somewhat cheaper
  • substantially more efficient
  • considerably more electric range

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

SL Class

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.

Porsche Panamera is somewhat cheaper – starting at 99,800 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 12,933 £.

Fuel consumption also shows a difference: the Porsche Panamera uses 3 L/100km and is substantially more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 6 L/100km.

As for electric range, the Porsche Panamera offers considerably more range – reaching up to 97 km, about 85 km more than the Mercedes SL Class.

Panamera

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 Mercedes SL Class offers very slightly more power – delivering 816 HP compared to 782 HP. That’s roughly 34 HP more horsepower.

Both models accelerate almost equally fast – 2.9 s from 0 to 100 km/h.

There’s also a difference in torque: the Mercedes SL Class delivers markedly more torque with 1,420 Nm compared to 1,000 Nm. That’s about 420 Nm more.

SL Class

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Both vehicles offer seating for 4 people.

In terms of curb weight, Mercedes SL Class is barely lighter – 1,810 kg compared to 1,960 kg. The difference is around 150 kg.

When it comes to payload, the Porsche Panamera carries markedly more – 545 kg compared to 375 kg. That’s a difference of about 170 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
details

Frequently compared as well

Porsche Cayenne
Porsche Panamera
VS
The Porsche Cayenne and the Porsche Panamera represent two distinct approaches within the luxury performance car segment. The Cayenne, with its robust SUV build, offers ample space and off-road capabilities without compromising on Porsche's signature agility and power. Meanwhile, the Panamera …
BMW Z4
Mercedes SL Class
VS
The BMW Z4 and Mercedes SL Class compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes SL Class
Porsche Panamera

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes SL Class

The Mercedes SL blends timeless elegance with a cheeky sense of occasion, its retractable roof turning any commute into a small celebratory parade. Behind the wheel it behaves like a grown-up sports car that prefers comfort and presence over headline-grabbing bravado, making it a tempting choice for buyers who want to arrive in style.

details
15C1119_012
15C1119_029
15C1119_120
15C1119_004

Reviews Mercedes SL Class

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

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.

details
S20_5507_fine
S20_5506_fine
S20_5493_fine
S20_5480_fine

Reviews Porsche Panamera

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

Frequently compared as well

Mercedes AMG GT
Mercedes SL Class
VS
Unsure whether the Mercedes AMG GT or the Mercedes SL Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
BYD Han
Porsche Panamera
VS
BYD Han and Porsche Panamera go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Hyundai IONIQ 6
Porsche Panamera
VS
Hyundai IONIQ 6 and Porsche Panamera go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Mercedes CLE Convertible
Mercedes SL Class
VS
The Mercedes CLE Convertible and Mercedes SL Class compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
ZEEKR 001
Porsche Panamera
VS
ZEEKR 001 and Porsche Panamera go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Porsche Panamera
Porsche Taycan
VS
The Porsche Panamera and Porsche Taycan compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes SL Class
Mercedes E Class
VS
Unsure whether the Mercedes SL Class or the Mercedes E Class is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
Mercedes SL Class
Ferrari Roma Convertible
VS
Mercedes SL Class and Ferrari Roma Convertible go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
Mercedes SL Class
Porsche Panamera

Costs and Consumption
Price
112,700 - 219,300 £
Price
99,800 - 212,100 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
3 - 12 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
83 - 97 km
Battery Capacity
-
Battery Capacity
21.8 kWh
co2
206 - 309 g/km
co2
69 - 274 g/km
Fuel tank capacity
-
Fuel tank capacity
75 - 90 L

Dimensions and Body
Body Type
Roadster
Body Type
Hatchback
Seats
4
Seats
4
Doors
-
Doors
5
Curb weight
1,810 - 2,195 kg
Curb weight
1,960 - 2,535 kg
Trunk capacity
-
Trunk capacity
421 - 494 L
Length
-
Length
5,052 - 5,204 mm
Width
1,915 mm
Width
1,937 mm
Height
-
Height
1,415 - 1,428 mm
Max trunk capacity
-
Max trunk capacity
1,255 - 1,385 L
Payload
145 - 375 kg
Payload
340 - 545 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
381 - 816 HP
Power HP
353 - 782 HP
Acceleration 0-100km/h
2.9 - 4.9 s
Acceleration 0-100km/h
2.9 - 5.3 s
Max Speed
-
Max Speed
270 - 325 km/h
Torque
480 - 1,420 Nm
Torque
500 - 1,000 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6 - 8
Power kW
280 - 600 kW
Power kW
260 - 575 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
2,894 - 3,996 cm3

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

The Mercedes SL Class 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.