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Mercedes EQS vs BYD Sealion 7 comparison

Compare performance (585 HP vs 530 HP), boot space and price (80,900 £ 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
  • substantially more electric range
  • barely quicker 0–100 km/h
  • a bit more trunk space
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BYD Sealion 7

4.9 (3 Reviews)
rate
  • considerably cheaper
  • somewhat lighter
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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 80,900 £ . That’s a price difference of around 38,068 £.

In terms of energy consumption, the Mercedes EQS is clearly more efficient: consuming 15.5 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 4.4 kWh/100km.

As for electric range, the Mercedes EQS offers substantially more range – reaching up to 920 km, about 418 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 585 HP compared to 530 HP. That’s roughly 55 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes EQS is barely quicker – completing the sprint in 4.1 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Mercedes EQS delivers a bit more torque with 800 Nm compared to 690 Nm. That’s about 110 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 2,550 kg. The difference is around 325 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 – 570 kg compared to 410 kg. That’s a difference of about 160 kg.

Who wins the race in the data check?

The Mercedes EQS stands out in the key areas 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 £80,900
EQS

Mercedes EQS

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 367 - 585 HP
  • Consumption kWh/100km 15.5 - 16.3 kWh/100km
  • Electric Range 810 - 920 km
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Frequently compared as well

BYD Sealion 7
Mazda CX-6e
VS
In one corner is the tech‑packed BYD Sealion 7, a gadget-rich challenger promising range and features for the money; in the other is the Mazda CX‑6e, Mazda’s sleeker, driver-focused answer with a more premium feel. We’ll pit them on comfort, performance, tech and running costs so you know which one …
BYD Sealion 7
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The BYD Sealion 7 and MG MGS6 EV are two electric contenders aimed at buyers who want strong range, practicality and good value. This comparison focuses on their driving range, charging, performance, interior comfort and running costs to help you decide which suits your everyday needs.
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 BYD Sealion 7 is a sleek electric wagon that blends sporty styling with surprising practicality, making it a compelling choice for drivers who want something different from the usual hatchback or SUV. Its refined interior and composed road manners give it an upscale feel, while clever packaging keeps it versatile for daily use.

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Reviews BYD Sealion 7

4.9 (3 Reviews)
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Steinbach
2 Jun 2026, 11:36:25

Fantastic car in every respect. Looks, interior, power, range, comfort, finish, etc.

How do you mainly use this car? (optional): Company car / Business
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
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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Toyota bZ4X
BYD Sealion 7
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The Toyota bZ4X feels like a reliably mellow electric SUV — conservative styling, predictable handling and Toyota-level build confidence for buyers who want fuss-free ownership. The BYD Sealion 7, by contrast, punches above its price with slick tech, impressive range and a sportier edge, making it …
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BYD Sealion 7
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Mercedes EQS
BYD Sealion 7

Costs and Consumption
Price
80,900 - 117,500 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.5 - 16.3 kWh/100km
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
810 - 920 km
Electric Range
456 - 502 km
Battery Capacity
-
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
-
Doors
-
Curb weight
2,550 - 2,660 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
610 L
Trunk capacity
520 L
Length
-
Length
-
Width
1,926 mm
Width
1,925 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
545 - 570 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
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
367 - 585 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
4.1 - 6.2 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
-
Max Speed
-
Torque
505 - 800 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
270 - 430 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
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 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.