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Audi Q8 vs BYD Sealion 7 comparison

Compare performance (640 HP vs 530 HP), boot space and price (77,300 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Audi Q8 or BYD Sealion 7?

Audi Q8 vs BYD Sealion 7: Key differences

Audi Q8

4.9 (1 Reviews)
rate
  • a bit more power
  • markedly quicker 0–100 km/h
  • marginally lighter
  • a bit more trunk space
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BYD Sealion 7

4.9 (3 Reviews)
rate
  • clearly cheaper
  • considerably more electric range
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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

Q8

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BYD Sealion 7 is clearly cheaper – starting at 42,800 £ , while the Audi Q8 costs 77,300 £ . That’s a price difference of around 34,466 £.

As for electric range, the BYD Sealion 7 offers considerably more range – reaching up to 502 km, about 422 km more than the Audi Q8.

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 Audi Q8 offers a bit more power – delivering 640 HP compared to 530 HP. That’s roughly 110 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi Q8 is markedly quicker – completing the sprint in 3.6 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.9 s quicker.

There’s also a difference in torque: the Audi Q8 delivers somewhat more torque with 850 Nm compared to 690 Nm. That’s about 160 Nm more.

Q8

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Audi Q8 is marginally lighter – 2,175 kg compared to 2,225 kg. The difference is around 50 kg.

Looking at boot space, the Audi Q8 offers a bit more boot space – 605 L compared to 520 L. That’s a difference of about 85 L.

When it comes to payload, the Audi Q8 carries clearly more – 665 kg compared to 410 kg. That’s a difference of about 255 kg.

Who wins the race in the data check?

The BYD Sealion 7 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 £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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Audi Q8
BYD Sealion 7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi Q8

The Audi Q8 wraps coupe-like flair around a burly SUV stance, serving up a cabin dressed in premium materials and smart tech that puts comfort and swagger front and center. It’s composed and comfortable on long runs yet happy to play when asked, making it a tempting choice for buyers who want head-turning looks without surrendering everyday practicality.

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Reviews Audi Q8

4.9 (1 Reviews)
rate

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

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)
rate
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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Audi Q8
BYD Sealion 7

Costs and Consumption
Price
77,300 - 137,100 £
Price
42,800 - 52,300 £
Consumption L/100km
3.9 - 13.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
80 km
Electric Range
456 - 502 km
Battery Capacity
-
Battery Capacity
-
co2
88 - 297 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,175 - 2,490 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
439 - 605 L
Trunk capacity
520 L
Length
-
Length
-
Width
1,995 - 2,007 mm
Width
1,925 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
620 - 665 kg
Payload
410 kg

Engine and Performance
Engine Type
Petrol MHEV, Diesel MHEV, Petrol, Plugin Hybrid
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
231 - 640 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
3.6 - 7.1 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
-
Max Speed
-
Torque
500 - 850 Nm
Torque
380 - 690 Nm
Number of Cylinders
6 - 8
Number of Cylinders
-
Power kW
170 - 471 kW
Power kW
230 - 390 kW
Engine capacity
2,967 - 3,996 cm3
Engine capacity
-

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
G, B
CO2 Efficiency Class
A
Brand
Audi
Brand
BYD
What drivetrain options does the Audi Q8 have?

Available configurations include 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.