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Mercedes SL Class vs McLaren Supercar Series Roadster comparison

Compare performance (816 HP vs 700 HP), boot space and price (112,700 £ vs 234,000 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or McLaren Supercar Series Roadster?

Mercedes SL Class vs McLaren Supercar Series Roadster: Key differences

Mercedes SL Class

  • clearly cheaper
  • a bit more power
  • very slightly quicker 0–100 km/h
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McLaren Supercar Series Roadster

  • significantly more efficient
  • significantly more electric range
  • moderately lighter
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By Achim Sedelmaier

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 clearly cheaper – starting at 112,700 £ , while the McLaren Supercar Series Roadster costs 234,000 £ . That’s a price difference of around 121,296 £.

Fuel consumption also shows a difference: the McLaren Supercar Series Roadster uses 4.8 L/100km and is significantly more efficient than the Mercedes SL Class with 9 L/100km. The difference is about 4.2 L/100km.

As for electric range, the McLaren Supercar Series Roadster offers significantly more range – reaching up to 33 km, about 21 km more than the Mercedes SL Class.

Supercar Series Roadster

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mercedes SL Class offers a bit more power – delivering 816 HP compared to 700 HP. That’s roughly 116 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is very slightly quicker – completing the sprint in 2.9 s, while the McLaren Supercar Series Roadster takes 3 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers significantly more torque with 1,420 Nm compared to 720 Nm. That’s about 700 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, McLaren Supercar Series Roadster is moderately lighter – 1,560 kg compared to 1,810 kg. The difference is around 250 kg.

Who wins the race in the data check?

The Mercedes SL Class has the upper hand 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
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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.

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15C1119_029
15C1119_120
15C1119_004

Reviews Mercedes SL Class

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McLaren Supercar Series Roadster

The McLaren Supercar Series Roadster is an open-top masterpiece that turns every drive into a headline, pairing theatrical design with razor-sharp handling so you’ll arrive with a grin and more attention than you bargained for. It feels as much like a race-bred tool as a luxury toy — uncompromising, impeccably made, and utterly addictive for anyone who treats a road as more than just a route.

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Reviews McLaren Supercar Series Roadster

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Mercedes SL Class
McLaren Supercar Series Roadster

Costs and Consumption
Price
112,700 - 219,300 £
Price
234,000 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
4.8 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
12 km
Electric Range
33 km
Battery Capacity
-
Battery Capacity
-
co2
206 - 309 g/km
co2
108 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Roadster
Seats
4
Seats
2
Doors
-
Doors
-
Curb weight
1,810 - 2,195 kg
Curb weight
1,560 kg
Trunk capacity
110 - 240 L
Trunk capacity
-
Length
-
Length
-
Width
1,915 mm
Width
1,913 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
145 - 375 kg
Payload
-

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Engine Type
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
Power HP
435 - 816 HP
Power HP
700 HP
Acceleration 0-100km/h
2.9 - 4.7 s
Acceleration 0-100km/h
3 s
Max Speed
-
Max Speed
-
Torque
500 - 1,420 Nm
Torque
720 Nm
Number of Cylinders
4 - 8
Number of Cylinders
6
Power kW
320 - 600 kW
Power kW
515 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
2,993 cm3

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
G
CO2 Efficiency Class
C
Brand
Mercedes-Benz
Brand
McLaren
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.