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Tesla Model Y vs BYD Sealion 7 comparison

Compare performance (460 HP vs 530 HP), boot space and price (34,300 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Tesla Model Y or BYD Sealion 7?

Tesla Model Y vs BYD Sealion 7: Key differences

Tesla Model Y

4.5 (7 Reviews)
rate
  • markedly cheaper
  • substantially more efficient
  • slightly more electric range
  • markedly quicker 0–100 km/h
  • moderately lighter
  • markedly more trunk space
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BYD Sealion 7

4.9 (3 Reviews)
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  • slightly more power
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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

Model Y

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Tesla Model Y is markedly cheaper – starting at 34,300 £ , while the BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 8,571 £.

In terms of energy consumption, the Tesla Model Y is substantially more efficient: consuming 13.1 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 6.8 kWh/100km.

As for electric range, the Tesla Model Y offers slightly more range – reaching up to 622 km, about 120 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 BYD Sealion 7 offers slightly more power – delivering 530 HP compared to 460 HP. That’s roughly 70 HP more horsepower.

When accelerating from 0 to 100 km/h, the Tesla Model Y is markedly quicker – completing the sprint in 3.5 s, while the BYD Sealion 7 takes 4.5 s. That’s about 1 s quicker.

There’s also a difference in torque: the BYD Sealion 7 delivers marginally more torque with 690 Nm compared to 660 Nm. That’s about 30 Nm more.

Model Y

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Tesla Model Y offers more seats – 7 vs 5.

In terms of curb weight, Tesla Model Y is moderately lighter – 1,976 kg compared to 2,225 kg. The difference is around 249 kg.

Looking at boot space, the Tesla Model Y offers markedly more boot space – 836 L compared to 520 L. That’s a difference of about 316 L.

When it comes to payload, the Tesla Model Y carries a bit more – 472 kg compared to 410 kg. That’s a difference of about 62 kg.

Who wins the race in the data check?

The Tesla Model Y is far 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 £34,300
Model Y

Tesla Model Y

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 299 - 460 HP
  • Consumption kWh/100km 13.1 - 16.2 kWh/100km
  • Electric Range 534 - 622 km
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Tesla Model Y
BYD Sealion 7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Tesla Model Y

The Tesla Model Y is a compact electric SUV that pairs practical interior space with a minimalist, tech-forward cabin that feels modern and airy. Its confident electric performance and suite of driver-assist features make everyday driving effortless, and regular software updates help the car stay fresh over time.

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Reviews Tesla Model Y

4.5 (7 Reviews)
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Franz
15 Sept 2025, 11:46:15

The Model Y has the perfect range for me!!!

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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BYD Sealion 7

Costs and Consumption
Price
34,300 - 53,100 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.1 - 16.2 kWh/100km
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
534 - 622 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
SUV
Body Type
SUV
Seats
5 - 7
Seats
5
Doors
-
Doors
-
Curb weight
1,976 - 2,108 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
822 - 836 L
Trunk capacity
520 L
Length
-
Length
-
Width
1,920 mm
Width
1,925 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
435 - 472 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
299 - 460 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
3.5 - 7.2 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
-
Max Speed
-
Torque
420 - 660 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
220 - 338 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Tesla
Brand
BYD
Is the Tesla Model Y offered with different drivetrains?

The Tesla Model Y 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.