@ Mercedes-Benz Group Media
@ Dr. Ing. h.c. F. Porsche AG
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Mercedes SL Class vs Porsche 911 Coupe – Performance, range & efficiency compared

Everyday use, family trips or long-distance drives – here’s where the differences show.
Discover whether Mercedes SL Class or Porsche 911 Coupe fits your lifestyle better.

Mercedes SL Class

Porsche 911 Coupe

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

SL Class @ Mercedes-Benz Group Media

Costs and Efficiency:

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

Mercedes SL Class has a barely noticeable advantage in terms of price – it starts at 112700 £, while the Porsche 911 Coupe costs 116800 £. That’s a price difference of around 4124 £.

Fuel consumption also shows a difference: Mercedes SL Class manages with 9 L and is therefore somewhat more efficient than the Porsche 911 Coupe with 10.10 L. The difference is about 1.10 L per 100 km.

911 Coupe @ Dr. Ing. h.c. F. Porsche AG

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 has a somewhat edge – offering 816 HP compared to 711 HP. That’s roughly 105 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche 911 Coupe is somewhat quicker – completing the sprint in 2.50 s, while the Mercedes SL Class takes 2.90 s. That’s about 0.40 s faster.

In terms of top speed, the Porsche 911 Coupe performs slight better – reaching 330 km/h, while the Mercedes SL Class tops out at 317 km/h. The difference is around 13 km/h.

There’s also a difference in torque: Mercedes SL Class pulls decisively stronger with 1420 Nm compared to 800 Nm. That’s about 620 Nm difference.

SL Class @ Mercedes-Benz Group Media

Space and Everyday Use:

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

Both vehicles offer seating for 4 people.

In curb weight, Porsche 911 Coupe is to a small extent lighter – 1525 kg compared to 1810 kg. The difference is around 285 kg.

In terms of boot space, the Porsche 911 Coupe offers clearly perceptible more room – 373 L compared to 240 L. That’s a difference of about 133 L.

When it comes to payload, Mercedes SL Class somewhat takes the win – 375 kg compared to 310 kg. That’s a difference of about 65 kg.

Who wins the race?

The Mercedes SL Class proves to be dominates this comparison and therefore becomes our DriveDuel Champion!
Mercedes SL Class is the better all-rounder in this comparison.

Mercedes SL Class
Porsche 911 Coupe

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £112,700
SL Class @ Mercedes-Benz Group Media

Mercedes SL Class

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 381 - 816 HP
  • Consumption L/100km : 9 - 13.6 L
  • Electric Range : 12 km
details

Mercedes SL Class

The Mercedes-Benz SL-Class embodies a perfect fusion of performance and luxury, offering a driving experience that is both exhilarating and refined. Its sleek and aerodynamic design ensures a commanding presence on the road, while the sumptuous interior provides unparalleled comfort and cutting-edge technology. With a heritage of engineering excellence, this model stands as a testament to Mercedes-Benz's commitment to innovation and craftsmanship.

details
15C1119_012 @ Mercedes-Benz Group Media
15C1119_029 @ Mercedes-Benz Group Media
15C1119_120 @ Mercedes-Benz Group Media
15C1119_004 @ Mercedes-Benz Group Media

Porsche 911 Coupe

The Porsche 911 Coupe continues to embody the perfect blend of tradition and innovation, offering an exhilarating driving experience that captures the essence of classic sports car performance. Its iconic design, characterised by sleek aerodynamic lines and a distinctive silhouette, pays homage to its storied heritage while integrating modern enhancements. Inside, the cabin effortlessly combines luxury with driver-focused technology, ensuring that every journey is as comfortable as it is thrilling, making it a timeless choice for enthusiasts.

details
S19_0076_fine @ Dr. Ing. h.c. F. Porsche AG
S19_0109_fine @ Dr. Ing. h.c. F. Porsche AG
S19_0099_fine @ Dr. Ing. h.c. F. Porsche AG
S22_3888_fine @ Dr. Ing. h.c. F. Porsche AG

Reviews Mercedes SL Class

Reviews Porsche 911 Coupe

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Mercedes SL Class
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SL Class @ Mercedes-Benz Group Media
911 Coupe @ Dr. Ing. h.c. F. Porsche AG

Costs and Consumption
Price
112700 - 219300 £
Price
116800 - 234900 £
Consumption L/100km
9 - 13.6 L
Consumption L/100km
10.1 - 13.8 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
229 - 312 g/km
Fuel tank capacity
70 L
Fuel tank capacity
63 - 64 L

Dimensions and Body
Body Type
Roadster
Body Type
Coupe
Seats
4
Seats
2 - 4
Doors
2
Doors
2
Curb weight
1810 - 2195 kg
Curb weight
1525 - 1815 kg
Trunk capacity
110 - 240 L
Trunk capacity
264 - 373 L
Length
4697 - 4705 mm
Length
4535 - 4572 mm
Width
1915 mm
Width
1852 - 1900 mm
Height
1354 - 1359 mm
Height
1279 - 1322 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
205 - 310 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Automatic, Manuel
Transmission Detail
Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Manual Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
381 - 816 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
2.9 - 4.9 s
Acceleration 0-100km/h
2.5 - 4.5 s
Max Speed
260 - 317 km/h
Max Speed
294 - 330 km/h
Torque
480 - 1420 Nm
Torque
450 - 800 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6
Power kW
280 - 600 kW
Power kW
290 - 523 kW
Engine capacity
1991 - 3982 cm3
Engine capacity
2981 - 3996 cm3

General
Model Year
2025
Model Year
2022 - 2026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Mercedes-Benz
Brand
Porsche

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What drive types are available for the Mercedes SL Class?

The Mercedes SL Class is available as Rear-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.