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BYD Sealion 7 vs Denza D9 comparison

Compare performance (530 HP vs 353 HP), boot space and price (42,800 £ vs 72,900 £ ) at a glance. Find out which car is the better choice for you – BYD Sealion 7 or Denza D9?

BYD Sealion 7 vs Denza D9: Key differences

BYD Sealion 7

4.8 (4 Reviews)
rate
  • considerably cheaper
  • visibly more power
  • clearly more electric range
  • clearly quicker 0–100 km/h
  • slightly more trunk space
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Denza D9

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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

Sealion 7

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 Denza D9 costs 72,900 £ . That’s a price difference of around 30,009 £.

As for electric range, the BYD Sealion 7 offers clearly more range – reaching up to 502 km, about 292 km more than the Denza D9.

D9

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 visibly more power – delivering 530 HP compared to 353 HP. That’s roughly 177 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Sealion 7 is clearly quicker – completing the sprint in 4.5 s, while the Denza D9 takes 8.6 s. That’s about 4.1 s quicker.

Sealion 7

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: Denza D9 offers more seats – 7 vs 5.

Looking at boot space, the BYD Sealion 7 offers slightly more boot space – 520 L compared to 430 L. That’s a difference of about 90 L.

Who wins the race in the data check?

The BYD Sealion 7 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 £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/100km
  • Electric Range 456 - 502 km
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BYD Sealion 7
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

4.8 (4 Reviews)
rate
Rafael Serres Ferran
19 Jul 2026, 17:30:51

A much better vehicle than the 6. It beats it in practically every area. Faster, more room inside, better trunk, more comfortable

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
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

Denza D9

The Denza D9 is a roomy, premium MPV that pairs a quiet, refined ride with family-oriented practicality. Its modern styling and tech-forward interior create a calm, luxurious cabin that appeals to buyers who prioritize comfort and thoughtful features.

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Reviews Denza D9

No reviews yet. Share your experience and help others decide.

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Denza D9

Costs and Consumption
Price
42,800 - 52,300 £
Price
72,900 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Consumption kWh/100km
-
Electric Range
456 - 502 km
Electric Range
210 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
-
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
MPV
Seats
5
Seats
7
Doors
-
Doors
-
Curb weight
2,225 - 2,435 kg
Curb weight
-
Trunk capacity
520 L
Trunk capacity
430 L
Length
-
Length
-
Width
1,925 mm
Width
1,960 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
-

Engine and Performance
Engine Type
Electric
Engine Type
Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
313 - 530 HP
Power HP
353 HP
Acceleration 0-100km/h
4.5 - 6.7 s
Acceleration 0-100km/h
8.6 s
Max Speed
-
Max Speed
-
Torque
380 - 690 Nm
Torque
-
Number of Cylinders
-
Number of Cylinders
4
Power kW
230 - 390 kW
Power kW
260 kW
Engine capacity
-
Engine capacity
1,500 cm3

General
Model Year
2024
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
-
Brand
BYD
Brand
Denza
What drivetrain options does the BYD Sealion 7 have?

The BYD Sealion 7 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.