VS

Mercedes SL Class vs Porsche 911 Coupe comparison

Compare performance (816 HP vs 711 HP), boot space and price (112,700 £ vs 116,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or Porsche 911 Coupe?

Mercedes SL Class vs Porsche 911 Coupe: Key differences

Mercedes SL Class

  • barely cheaper
  • a bit more power
  • somewhat more efficient

Porsche 911 Coupe

  • a bit quicker 0–100 km/h
  • somewhat lighter

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.

Mercedes SL Class is barely cheaper – starting at 112,700 £ , while the Porsche 911 Coupe costs 116,800 £ . That’s a price difference of around 4,124 £.

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 10.1 L/100km. The difference is about 1.1 L/100km.

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 Mercedes SL Class offers a bit 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.

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.

Seats: Mercedes SL Class offers more seats – 4 vs 2.

In terms of curb weight, Porsche 911 Coupe is somewhat lighter – 1,525 kg compared to 1,810 kg. The difference is around 285 kg.

When it comes to payload, the Mercedes SL Class carries moderately 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 : 381 - 816 HP
  • Consumption L/100km : 9 - 13.6 L/100km
  • Electric Range : 12 km
details

Frequently compared as well

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 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.
Mercedes SL Class
Porsche 911 Coupe

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 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.

Frequently compared as well

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.
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.
Lotus Emira
Porsche 911 Coupe
VS
The Lotus Emira and Porsche 911 Coupe 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.
Porsche 911 Coupe
Ferrari Amalfi
VS
Porsche 911 Coupe and Ferrari Amalfi 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
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
VS
Mercedes SL Class 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 SL Class
Porsche Boxster
VS
Unsure whether the Mercedes SL Class or the Porsche Boxster 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
Porsche 911 Coupe

Costs and Consumption
Price
112,700 - 219,300 £
Price
116,800 - 301,000 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
10.1 - 13.8 L/100km
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
-
Fuel tank capacity
63 - 64 L

Dimensions and Body
Body Type
Roadster
Body Type
Coupe
Seats
4
Seats
2
Doors
-
Doors
2
Curb weight
1,810 - 2,195 kg
Curb weight
1,525 - 1,815 kg
Trunk capacity
-
Trunk capacity
264 - 373 L
Length
-
Length
4,542 - 4,572 mm
Width
1,915 mm
Width
1,852 - 1,900 mm
Height
-
Height
1,279 - 1,322 mm
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
228 - 310 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
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
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
-
Max Speed
294 - 313 km/h
Torque
480 - 1,420 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
1,991 - 3,982 cm3
Engine capacity
2,981 - 3,996 cm3

General
Model Year
2,025
Model Year
2,022 - 2,026
CO2 Efficiency Class
G
CO2 Efficiency Class
G
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.