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Audi A4 Avant vs BYD Sealion 7 comparison

Compare performance (470 HP vs 530 HP), boot space and price (37,200 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Audi A4 Avant or BYD Sealion 7?

Audi A4 Avant vs BYD Sealion 7: Key differences

Audi A4 Avant

5 (1 Reviews)
rate
  • slightly cheaper
  • clearly quicker 0–100 km/h
  • visibly lighter
details

BYD Sealion 7

4.9 (3 Reviews)
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  • moderately more power
  • marginally more trunk space
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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

A4 Avant

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.

Audi A4 Avant is slightly cheaper – starting at 37,200 £ , while the BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 5,606 £.

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 moderately more power – delivering 530 HP compared to 470 HP. That’s roughly 60 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A4 Avant is clearly quicker – completing the sprint in 3.7 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.8 s quicker.

There’s also a difference in torque: the BYD Sealion 7 delivers a bit more torque with 690 Nm compared to 600 Nm. That’s about 90 Nm more.

A4 Avant

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, Audi A4 Avant is visibly lighter – 1,595 kg compared to 2,225 kg. The difference is around 630 kg.

Looking at boot space, the BYD Sealion 7 offers marginally more boot space – 520 L compared to 495 L. That’s a difference of about 25 L.

When it comes to payload, the Audi A4 Avant carries clearly more – 565 kg compared to 410 kg. That’s a difference of about 155 kg.

Who wins the race in the data check?

The BYD Sealion 7 has the upper hand 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 A4 Avant
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A4 Avant

The Audi A4 Avant blends elegant, understated styling with practical estate versatility, making it a polished choice for drivers who want both poise and generous cargo space. Inside, the cabin feels premium and tech-forward while the composed driving manners turn routine journeys into a quietly satisfying experience—exactly the sensible indulgence buyers will appreciate.

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Reviews Audi A4 Avant

5 (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 A4 Avant
BYD Sealion 7

Costs and Consumption
Price
37,200 - 122,500 £
Price
42,800 - 52,300 £
Consumption L/100km
4.8 - 9.7 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
-
Electric Range
456 - 502 km
Battery Capacity
-
Battery Capacity
-
co2
126 - 220 g/km
co2
0 g/km
Fuel tank capacity
40 - 58 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,595 - 1,820 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
495 L
Trunk capacity
520 L
Length
4,750 - 4,782 mm
Length
-
Width
1,842 - 1,866 mm
Width
1,925 mm
Height
1,428 - 1,493 mm
Height
-
Max trunk capacity
1,495 L
Max trunk capacity
-
Payload
510 - 565 kg
Payload
410 kg

Engine and Performance
Engine Type
Diesel MHEV, Petrol MHEV, Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
136 - 470 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
210 - 300 km/h
Max Speed
-
Torque
270 - 600 Nm
Torque
380 - 690 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
100 - 346 kW
Power kW
230 - 390 kW
Engine capacity
1,968 - 2,894 cm3
Engine capacity
-

General
Model Year
2,023 - 2,024
Model Year
2024
CO2 Efficiency Class
E, F, D, G
CO2 Efficiency Class
A
Brand
Audi
Brand
BYD
What drivetrain options does the Audi A4 Avant have?

The Audi A4 Avant is available as All-Wheel Drive or Front-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.