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Mercedes S-Class vs NIO EL7 comparison

Compare performance (635 HP vs 653 HP), boot space and price (104,000 £ vs 63,300 £ ) at a glance. Find out which car is the better choice for you – Mercedes S-Class or NIO EL7?

Mercedes S-Class vs NIO EL7: Key differences

Mercedes S-Class

  • slightly lighter
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NIO EL7

  • significantly cheaper
  • very slightly more power
  • clearly more electric range
  • only slightly quicker 0–100 km/h
  • only slightly more trunk space
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Here’s where it gets real: The technical differences in detail

S-Class

Costs and Efficiency:

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

NIO EL7 is significantly cheaper – starting at 63,300 £ , while the Mercedes S-Class costs 104,000 £ . That’s a price difference of around 40,677 £.

As for electric range, the NIO EL7 offers clearly more range – reaching up to 501 km, about 383 km more than the Mercedes S-Class.

EL7

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 NIO EL7 offers very slightly more power – delivering 653 HP compared to 635 HP. That’s roughly 18 HP more horsepower.

When accelerating from 0 to 100 km/h, the NIO EL7 is only slightly quicker – completing the sprint in 3.9 s, while the Mercedes S-Class takes 4 s. That’s about 0.1 s quicker.

Both models offer the same torque – 850 Nm.

S-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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes S-Class is slightly lighter – 2,165 kg compared to 2,421 kg. The difference is around 256 kg.

Looking at boot space, the NIO EL7 offers only slightly more boot space – 570 L compared to 530 L. That’s a difference of about 40 L.

When it comes to payload, the Mercedes S-Class carries markedly more – 660 kg compared to 469 kg. That’s a difference of about 191 kg.

Who wins the race in the data check?

The NIO EL7 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 £63,300
EL7

NIO EL7

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive
  • Power HP 653 HP
  • Consumption kWh/100km 22.1 - 22.4 kWh/100km
  • Electric Range 384 - 501 km
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Mercedes S-Class
NIO EL7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes S-Class

The Mercedes S-Class wraps peerless comfort, whisper-quiet luxury and subtle tech wizardry into a chauffeur-ready package that still knows how to engage the driver. It’s the car for buyers who want to arrive relaxed, be taken seriously and occasionally enjoy a grin when the road reminds them this limousine can dance.

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Reviews Mercedes S-Class

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NIO EL7

The NIO EL7 arrives as a roomy electric SUV that pairs restrained elegance with bold design cues, and its interior feels like a calm, tech-forward lounge rather than a gadget parade. For buyers who crave effortless cruising, spirited performance and a tastefully premium experience — with just the right amount of showmanship for the driveway — the EL7 is an enticing, slightly theatrical choice.

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Reviews NIO EL7

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Mercedes S-Class
NIO EL7

Costs and Consumption
Price
104,000 - 201,400 £
Price
63,300 - 81,300 £
Consumption L/100km
2.2 - 11 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
22.1 - 22.4 kWh/100km
Electric Range
98 - 118 km
Electric Range
384 - 501 km
Battery Capacity
-
Battery Capacity
73.5 - 90 kWh
co2
50 - 252 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
5
Curb weight
2,165 - 2,650 kg
Curb weight
2,421 - 2,441 kg
Trunk capacity
345 - 530 L
Trunk capacity
570 L
Length
-
Length
4,912 mm
Width
1,921 mm
Width
1,987 mm
Height
-
Height
1,720 mm
Max trunk capacity
-
Max trunk capacity
1,545 L
Payload
420 - 660 kg
Payload
449 - 469 kg

Engine and Performance
Engine Type
Petrol MHEV, Plug-in Hybrid, Diesel MHEV
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
336 - 635 HP
Power HP
653 HP
Acceleration 0-100km/h
4 - 5.7 s
Acceleration 0-100km/h
3.9 s
Max Speed
-
Max Speed
200 km/h
Torque
560 - 850 Nm
Torque
850 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
247 - 467 kW
Power kW
480 kW
Engine capacity
2,989 - 3,982 cm3
Engine capacity
-

General
Model Year
2026
Model Year
2023
CO2 Efficiency Class
G, B, F
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
NIO
Is the Mercedes S-Class offered with different drivetrains?

The Mercedes S-Class is offered with All-Wheel Drive or Rear-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.