VS

Porsche 911 Coupe vs Mercedes SL Class comparison

Compare performance (711 HP vs 816 HP), boot space and price (125,800 £ vs 112,700 £ ) at a glance. Find out which car is the better choice for you – Porsche 911 Coupe or Mercedes SL Class?

Porsche 911 Coupe vs Mercedes SL Class: Key differences

Porsche 911 Coupe

  • a bit quicker 0–100 km/h
  • moderately lighter
  • markedly more trunk space
details

Mercedes SL Class

  • moderately cheaper
  • moderately more power
  • somewhat more efficient
details

By Achim Sedelmaier

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

911 Coupe

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Mercedes SL Class is moderately cheaper – starting at 112,700 £ , while the Porsche 911 Coupe costs 125,800 £ . That’s a price difference of around 13,124 £.

Fuel consumption also shows a difference: the Mercedes SL Class uses 9 L/100km and is somewhat more efficient than the Porsche 911 Coupe with 10.3 L/100km. The difference is about 1.3 L/100km.

SL Class

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 moderately more power – delivering 816 HP compared to 711 HP. That’s roughly 105 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Coupe is a bit quicker – completing the sprint in 2.5 s, while the Mercedes SL Class takes 2.9 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers considerably more torque with 1,420 Nm compared to 800 Nm. That’s about 620 Nm more.

911 Coupe

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 SL Class offers more seats – 4 vs 2.

In terms of curb weight, Porsche 911 Coupe is moderately lighter – 1,536 kg compared to 1,810 kg. The difference is around 274 kg.

Looking at boot space, the Porsche 911 Coupe offers markedly more boot space – 373 L compared to 240 L. That’s a difference of about 133 L.

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

Who wins the race in the data check?

The Mercedes SL Class holds a decisive overall lead 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 £112,700
SL Class

Mercedes SL Class

  • Engine Type Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 435 - 816 HP
  • Consumption L/100km 9 - 13.6 L/100km
  • Electric Range 12 km
details

Frequently compared as well

Mercedes AMG GT
Mercedes SL Class
VS
Mercedes AMG GT and Mercedes SL Class 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. || Unsure whether the Mercedes AMG GT …
Mercedes SL Class
Porsche Boxster
VS
Mercedes SL Class and Porsche Boxster 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. || Unsure whether the Mercedes SL …
Porsche 911 Coupe
Mercedes SL Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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
S19_0076_fine
S19_0109_fine
S19_0099_fine
S22_3888_fine

Reviews Porsche 911 Coupe

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

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.

Frequently compared as well

Maserati GranTurismo
Porsche 911 Coupe
VS
Maserati GranTurismo and Porsche 911 Coupe 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. || Unsure whether the Maserati …
Aston Martin DB12
Porsche 911 Coupe
VS
Aston Martin DB12 and Porsche 911 Coupe 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. || Unsure whether the Aston Martin …
BMW Z4
Mercedes SL Class
VS
BMW Z4 and Mercedes SL Class 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. || Unsure whether the BMW Z4 or the Mercedes SL …
Mazda CX-30
Porsche 911 Coupe
VS
Mazda CX-30 and Porsche 911 Coupe 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. || Unsure whether the Mazda CX-30 or the …
Mercedes CLE Convertible
Mercedes SL Class
VS
Mercedes CLE Convertible and Mercedes SL Class 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. || Unsure whether the …
Mercedes AMG GT
Porsche 911 Coupe
VS
Mercedes AMG GT and Porsche 911 Coupe 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. || Unsure whether the Mercedes AMG GT …
Mercedes SL Class
Morgan Plus Four
VS
Mercedes SL Class and Morgan Plus Four 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. || Unsure whether the Mercedes SL …
McLaren GT Series
Porsche 911 Coupe
VS
McLaren GT Series and Porsche 911 Coupe 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. || Unsure whether the McLaren GT …
Porsche 911 Coupe
Mercedes SL Class

Costs and Consumption
Price
125,800 - 301,000 £
Price
112,700 - 219,300 £
Consumption L/100km
10.3 - 13.8 L/100km
Consumption L/100km
9 - 13.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
12 km
Battery Capacity
-
Battery Capacity
-
co2
233 - 312 g/km
co2
206 - 309 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Roadster
Seats
2
Seats
4
Doors
-
Doors
-
Curb weight
1,536 - 1,815 kg
Curb weight
1,810 - 2,195 kg
Trunk capacity
373 L
Trunk capacity
110 - 240 L
Length
-
Length
-
Width
1,852 - 1,900 mm
Width
1,915 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
228 - 310 kg
Payload
145 - 375 kg

Engine and Performance
Engine Type
Petrol, Full Hybrid
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
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
435 - 816 HP
Acceleration 0-100km/h
2.5 - 4.5 s
Acceleration 0-100km/h
2.9 - 4.7 s
Max Speed
-
Max Speed
-
Torque
450 - 800 Nm
Torque
500 - 1,420 Nm
Number of Cylinders
6
Number of Cylinders
4 - 8
Power kW
290 - 523 kW
Power kW
320 - 600 kW
Engine capacity
2,981 - 3,996 cm3
Engine capacity
1,991 - 3,982 cm3

General
Model Year
2,024 - 2,026
Model Year
2025
CO2 Efficiency Class
G
CO2 Efficiency Class
G
Brand
Porsche
Brand
Mercedes-Benz
What drivetrain options does the Porsche 911 Coupe have?

The Porsche 911 Coupe 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.