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NIO ET5 vs BYD Sealion 7 comparison

Compare performance (490 HP vs 530 HP), boot space and price (40,700 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – NIO ET5 or BYD Sealion 7?

NIO ET5 vs BYD Sealion 7: Key differences

NIO ET5

5 (1 Reviews)
rate
  • only slightly cheaper
  • marginally more efficient
  • slightly more electric range
  • moderately quicker 0–100 km/h
  • only slightly lighter

BYD Sealion 7

5 (2 Reviews)
rate
  • marginally more power
  • visibly more trunk space

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

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

ET5

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.

NIO ET5 is only slightly cheaper – starting at 40,700 £ , while the BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 2,134 £.

In terms of energy consumption, the NIO ET5 is marginally more efficient: consuming 18.6 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 1.3 kWh/100km.

As for electric range, the NIO ET5 offers slightly more range – reaching up to 590 km, about 88 km more than the BYD Sealion 7.

Sealion 7

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BYD Sealion 7 offers marginally more power – delivering 530 HP compared to 490 HP. That’s roughly 40 HP more horsepower.

When accelerating from 0 to 100 km/h, the NIO ET5 is moderately quicker – completing the sprint in 4 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the NIO ET5 delivers very slightly more torque with 700 Nm compared to 690 Nm. That’s about 10 Nm more.

ET5

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 terms of curb weight, NIO ET5 is only slightly lighter – 2,215 kg compared to 2,225 kg. The difference is around 10 kg.

Looking at boot space, the BYD Sealion 7 offers visibly more boot space – 520 L compared to 386 L. That’s a difference of about 134 L.

When it comes to payload, the NIO ET5 carries slightly more – 475 kg compared to 410 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The NIO ET5 sits just ahead overall 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 £40,700
ET5

NIO ET5

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 490 HP
  • Consumption kWh/100km : 18.6 - 18.9 kWh/100km
  • Electric Range : 456 - 590 km
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

NIO ET5

NIO ET5 arrives with sleek, minimalist lines and a cabin that feels more like a calm lounge than a dashboard, delivering a composed drive that keeps motorway monotony at bay. Tech is smart rather than showy, and the brand’s novel ownership options make it an appealing choice for buyers who want electric convenience without the usual headaches — plus it brings enough personality to make charging stops less boring.

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Reviews NIO ET5

5 (1 Reviews)
rate

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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NIO ET5
BYD Sealion 7

Costs and Consumption
Price
40,700 - 58,700 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
18.6 - 18.9 kWh/100km
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
456 - 590 km
Electric Range
456 - 502 km
Battery Capacity
73.5 - 90 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
2,215 - 2,235 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
386 L
Trunk capacity
520 L
Length
4,790 mm
Length
-
Width
1,960 mm
Width
1,925 mm
Height
1,499 mm
Height
-
Max trunk capacity
1,135 L
Max trunk capacity
-
Payload
455 - 475 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
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
490 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
4 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
200 km/h
Max Speed
-
Torque
700 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
360 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,023
Model Year
2,024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
NIO
Brand
BYD
Is the NIO ET5 offered with different drivetrains?

The NIO ET5 is offered with 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.