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Mercedes EQS vs BYD Sealion 7 comparison

Compare performance (544 HP vs 530 HP), boot space and price (93,900 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Mercedes EQS or BYD Sealion 7?

Mercedes EQS vs BYD Sealion 7: Key differences

Mercedes EQS

  • marginally more power
  • clearly more efficient
  • noticeably more electric range
  • barely quicker 0–100 km/h
  • a bit more trunk space
details

BYD Sealion 7

5 (2 Reviews)
rate
  • considerably cheaper
  • somewhat lighter
details

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

EQS

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BYD Sealion 7 is considerably cheaper – starting at 42,800 £ , while the Mercedes EQS costs 93,900 £ . That’s a price difference of around 51,052 £.

In terms of energy consumption, the Mercedes EQS is clearly more efficient: consuming 16.5 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 3.4 kWh/100km.

As for electric range, the Mercedes EQS offers noticeably more range – reaching up to 816 km, about 314 km more than the BYD Sealion 7.

Sealion 7

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 EQS offers marginally more power – delivering 544 HP compared to 530 HP. That’s roughly 14 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQS is barely quicker – completing the sprint in 4.4 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Mercedes EQS delivers a bit more torque with 858 Nm compared to 690 Nm. That’s about 168 Nm more.

EQS

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, BYD Sealion 7 is somewhat lighter – 2,225 kg compared to 2,545 kg. The difference is around 320 kg.

Looking at boot space, the Mercedes EQS offers a bit more boot space – 610 L compared to 520 L. That’s a difference of about 90 L.

When it comes to payload, the Mercedes EQS carries markedly more – 565 kg compared to 410 kg. That’s a difference of about 155 kg.

Who wins the race in the data check?

The BYD Sealion 7 holds a slight edge 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 £42,800
Sealion 7

BYD Sealion 7

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 313 - 530 HP
  • Consumption kWh/100km : 19.9 - 21.9 kWh/100km
  • Electric Range : 456 - 502 km
details

Frequently compared as well

BYD Sealion 7
Mazda CX-6e
VS
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BYD Sealion 7
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Mercedes EQS
BYD Sealion 7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mercedes EQS

The Mercedes EQS is a silent, spaceship-like flagship that turns electric luxury into zen on wheels, wrapped in a swooping design that insists on being admired. Inside it’s all glassy screens and soft-touch surfaces that make long trips feel like first class, and the driving experience is composed and effortless — like a courteous butler with an electric heart.

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Reviews Mercedes EQS

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

BYD Sealion 7

The Sealion 7 captivates with its striking design and impressive performance that appeals to both enthusiasts and casual drivers alike. With a focus on comfort and advanced technology, this model redefines the driving experience, making every journey enjoyable. Its sleek silhouette coupled with an innovative interior showcases the perfect blend of style and functionality.

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Reviews BYD Sealion 7

5 (2 Reviews)
rate
oriol
27 Feb 2026, 15:33:27

range that I can always charge to 100% — unlike other brands that told me it was recommended to stop at 80%, which consequently cut my real range from 600 to 480 by not being able to charge to 100%. I think that's something people should know.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mercedes EQS
BYD Sealion 7

Costs and Consumption
Price
93,900 - 123,500 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.5 - 17.2 kWh/100km
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
790 - 816 km
Electric Range
456 - 502 km
Battery Capacity
118 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,545 - 2,655 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
610 L
Trunk capacity
520 L
Length
5,223 mm
Length
-
Width
1,926 mm
Width
1,925 mm
Height
1,512 mm
Height
-
Max trunk capacity
1,770 L
Max trunk capacity
-
Payload
550 - 565 kg
Payload
410 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
360 - 544 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
4.4 - 6.2 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
210 km/h
Max Speed
-
Torque
568 - 858 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
265 - 400 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
BYD
What drive types are available for the Mercedes EQS?

The Mercedes EQS 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.