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Mercedes S Class vs BYD Sealion 7 - Differences and prices compared

Compare performance (802 HP vs 530 HP), boot space and price (97200 £ vs 42800 £ ) at a glance. Find out which car is the better choice for you – Mercedes S Class or BYD Sealion 7?

Mercedes S Class

BYD Sealion 7

5 (1 Reviews)
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Here’s where it gets real: The technical differences in detail

S 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.

BYD Sealion 7 has a clearly advantage in terms of price – it starts at 42800 £ , while the Mercedes S Class costs 97200 £ . That’s a price difference of around 54322 £.

As for electric range, the BYD Sealion 7 performs clearly better – achieving up to 502 km, about 385 km more than the Mercedes S Class.

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 S Class has a distinct edge – offering 802 HP compared to 530 HP. That’s roughly 272 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes S Class is noticeable quicker – completing the sprint in 3.30 s, while the BYD Sealion 7 takes 4.50 s. That’s about 1.20 s faster.

There’s also a difference in torque: Mercedes S Class pulls significantly stronger with 1430 Nm compared to 690 Nm. That’s about 740 Nm difference.

S Class

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In curb weight, Mercedes S Class is hardly perceptible lighter – 2070 kg compared to 2225 kg. The difference is around 155 kg.

In terms of boot space, the Mercedes S Class offers minimal more room – 550 L compared to 520 L. That’s a difference of about 30 L.

When it comes to payload, Mercedes S Class convincingly takes the win – 730 kg compared to 410 kg. That’s a difference of about 320 kg.

Who wins the race?

The BYD Sealion 7 proves to be dominates this comparison and therefore becomes our DriveDuel Champion!
BYD Sealion 7 is the better all-rounder in this comparison.

from about £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
  • Electric Range : 456 - 502 km
Mercedes S Class
BYD Sealion 7

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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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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BYD Sealion 7

5 (1 Reviews)
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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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Mercedes S Class
BYD Sealion 7

Costs and Consumption

Price
97200 - 204400 £
Price
42800 - 52300 £
Consumption L/100km
2.3 - 13.2 L
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh
Electric Range
31 - 117 km
Electric Range
456 - 502 km
Battery Capacity
10.40 kWh
Battery Capacity
-
co2
52 - 301 g/km
co2
0 g/km
Fuel tank capacity
65 - 76 L
Fuel tank capacity
-

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
4
Doors
-
Curb weight
2070 - 2650 kg
Curb weight
2225 - 2435 kg
Trunk capacity
325 - 550 L
Trunk capacity
520 L
Length
5179 - 5469 mm
Length
-
Width
1921 - 1954 mm
Width
1925 mm
Height
1503 - 1515 mm
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
420 - 730 kg
Payload
410 kg

Engine and Performance

Engine Type
Petrol MHEV, Petrol, Plugin 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
Rear-Wheel Drive, All-Wheel Drive
Power HP
336 - 802 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
3.3 - 5.9 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
250 km/h
Max Speed
-
Torque
500 - 1430 Nm
Torque
380 - 690 Nm
Number of Cylinders
6 - 12
Number of Cylinders
-
Power kW
247 - 590 kW
Power kW
230 - 390 kW
Engine capacity
2989 - 5980 cm3
Engine capacity
-

General

Model Year
2024 - 2025
Model Year
2024
CO2 Efficiency Class
G, E, F, B
CO2 Efficiency Class
A
Brand
Mercedes-Benz
Brand
BYD
What drive types are available for the Mercedes S Class?

The Mercedes S Class is available as All-Wheel Drive or Rear-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.