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Mercedes SL Class vs NIO ET5 comparison

Compare performance (816 HP vs 490 HP), boot space and price (112,700 £ vs 40,700 £ ) at a glance. Find out which car is the better choice for you – Mercedes SL Class or NIO ET5?

Mercedes SL Class vs NIO ET5: Key differences

Mercedes SL Class

  • markedly more power
  • clearly quicker 0–100 km/h
  • noticeably lighter
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NIO ET5

5 (1 Reviews)
rate
  • clearly cheaper
  • substantially more electric range
  • markedly more trunk space
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Here’s where it gets real: The technical differences in detail

SL Class

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.

NIO ET5 is clearly cheaper – starting at 40,700 £ , while the Mercedes SL Class costs 112,700 £ . That’s a price difference of around 71,990 £.

As for electric range, the NIO ET5 offers substantially more range – reaching up to 590 km, about 578 km more than the Mercedes SL Class.

ET5

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes SL Class offers markedly more power – delivering 816 HP compared to 490 HP. That’s roughly 326 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes SL Class is clearly quicker – completing the sprint in 2.9 s, while the NIO ET5 takes 4 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the Mercedes SL Class delivers considerably more torque with 1,420 Nm compared to 700 Nm. That’s about 720 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: NIO ET5 offers more seats – 5 vs 4.

In terms of curb weight, Mercedes SL Class is noticeably lighter – 1,810 kg compared to 2,215 kg. The difference is around 405 kg.

Looking at boot space, the NIO ET5 offers markedly more boot space – 386 L compared to 240 L. That’s a difference of about 146 L.

When it comes to payload, the NIO ET5 carries visibly more – 475 kg compared to 375 kg. That’s a difference of about 100 kg.

Who wins the race in the data check?

The NIO ET5 is clearly superior 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 £40,700
ET5

NIO ET5

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 490 HP
  • Consumption kWh/100km 18.6 - 18.9 kWh/100km
  • Electric Range 456 - 590 km
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Frequently compared as well

Mercedes SL Class
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Mercedes AMG GT
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Mercedes SL Class
NIO ET5

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
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Reviews Mercedes SL Class

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NIO ET5

NIO ET5 arrives with sleek, minimalist lines and a cabin that feels more like a calm lounge than a dashboard, delivering a composed drive that keeps motorway monotony at bay. Tech is smart rather than showy, and the brand’s novel ownership options make it an appealing choice for buyers who want electric convenience without the usual headaches — plus it brings enough personality to make charging stops less boring.

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Reviews NIO ET5

5 (1 Reviews)
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Mercedes SL Class
NIO ET5

Costs and Consumption
Price
112,700 - 219,300 £
Price
40,700 - 58,700 £
Consumption L/100km
9 - 13.6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
18.6 - 18.9 kWh/100km
Electric Range
12 km
Electric Range
456 - 590 km
Battery Capacity
-
Battery Capacity
73.5 - 90 kWh
co2
206 - 309 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Hatchback
Seats
4
Seats
5
Doors
-
Doors
5
Curb weight
1,810 - 2,195 kg
Curb weight
2,215 - 2,235 kg
Trunk capacity
110 - 240 L
Trunk capacity
386 L
Length
-
Length
4,790 mm
Width
1,915 mm
Width
1,960 mm
Height
-
Height
1,499 mm
Max trunk capacity
-
Max trunk capacity
1,135 L
Payload
145 - 375 kg
Payload
455 - 475 kg

Engine and Performance
Engine Type
Petrol MHEV, Petrol, Plug-in Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
435 - 816 HP
Power HP
490 HP
Acceleration 0-100km/h
2.9 - 4.7 s
Acceleration 0-100km/h
4 s
Max Speed
-
Max Speed
200 km/h
Torque
500 - 1,420 Nm
Torque
700 Nm
Number of Cylinders
4 - 8
Number of Cylinders
-
Power kW
320 - 600 kW
Power kW
360 kW
Engine capacity
1,991 - 3,982 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2023
CO2 Efficiency Class
G
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
NIO
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.