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BYD Seal U vs MG MGS9 comparison

Compare performance (324 HP vs 299 HP), boot space and price (34,300 £ vs 38,600 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or MG MGS9?

BYD Seal U vs MG MGS9: Key differences

BYD Seal U

4.1 (7 Reviews)
rate
  • a bit cheaper
  • very slightly more power
  • substantially more electric range
  • considerably quicker 0–100 km/h
  • a bit lighter
  • visibly more trunk space
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MG MGS9

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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

Seal U

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 Seal U is a bit cheaper – starting at 34,300 £ , while the MG MGS9 costs 38,600 £ . That’s a price difference of around 4,285 £.

As for electric range, the BYD Seal U offers substantially more range – reaching up to 500 km, about 400 km more than the MG MGS9.

Seal U

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BYD Seal U offers very slightly more power – delivering 324 HP compared to 299 HP. That’s roughly 25 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Seal U is considerably quicker – completing the sprint in 5.9 s, while the MG MGS9 takes 9.6 s. That’s about 3.7 s quicker.

There’s also a difference in torque: the BYD Seal U delivers noticeably more torque with 550 Nm compared to 390 Nm. That’s about 160 Nm more.

Seal U

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: MG MGS9 offers more seats – 7 vs 5.

In terms of curb weight, BYD Seal U is a bit lighter – 1,940 kg compared to 2,160 kg. The difference is around 220 kg.

Looking at boot space, the BYD Seal U offers visibly more boot space – 552 L compared to 332 L. That’s a difference of about 220 L.

When it comes to payload, the MG MGS9 carries visibly more – 557 kg compared to 410 kg. That’s a difference of about 147 kg.

Who wins the race in the data check?

The BYD Seal U 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 £34,300
Seal U

BYD Seal U

  • Engine Type : Electric, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 218 - 324 HP
  • Consumption kWh/100km : 12.1 - 20.5 kWh/100km
  • Electric Range : 70 - 500 km
BYD Seal U
MG MGS9

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

BYD Seal U

The BYD Seal U pairs a sleek fastback silhouette with a surprisingly roomy, tech-rich cabin, giving electric chic without the showroom pretension. It's a smart pick for buyers after confident handling, sensible practicality and standout value — all wrapped up with a cheeky grin when you put your foot down.

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MG MGS9

The MG MGS9 presents itself as a stylish, value-focused flagship SUV with a roomy, well-equipped cabin and contemporary infotainment. It balances a comfortable ride with engaging handling, making it a compelling choice for buyers seeking a feature-rich alternative to established rivals.

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BYD Seal U
MG MGS9

Costs and Consumption

Price
34,300 - 39,800 £
Price
38,600 - 41,800 £
Consumption L/100km
-
Consumption L/100km
2.4 L/100km
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Consumption kWh/100km
-
Electric Range
70 - 500 km
Electric Range
100 km
Battery Capacity
-
Battery Capacity
-
co2
0 - 71 g/km
co2
54 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
5
Seats
7
Doors
-
Doors
-
Curb weight
1,940 - 2,147 kg
Curb weight
2,160 kg
Trunk capacity
425 - 552 L
Trunk capacity
332 L
Length
-
Length
-
Width
1,890 mm
Width
1,967 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
557 kg

Engine and Performance

Engine Type
Electric, Plugin Hybrid
Engine Type
Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
218 - 324 HP
Power HP
299 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
9.6 s
Max Speed
-
Max Speed
-
Torque
300 - 550 Nm
Torque
390 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
160 - 238 kW
Power kW
220 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
1,496 cm3

General

Model Year
2,024 - 2,026
Model Year
2026
CO2 Efficiency Class
A, B
CO2 Efficiency Class
B
Brand
BYD
Brand
MG
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.