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Audi A6 e-tron Avant vs BYD Sealion 7 comparison

Compare performance (551 HP vs 530 HP), boot space and price (55,200 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Avant or BYD Sealion 7?

Audi A6 e-tron Avant vs BYD Sealion 7: Key differences

Audi A6 e-tron Avant

3.4 (3 Reviews)
rate
  • barely more power
  • markedly more efficient
  • markedly more electric range
  • a bit quicker 0–100 km/h
  • barely lighter
details

BYD Sealion 7

5 (2 Reviews)
rate
  • clearly cheaper
  • marginally more trunk space
details

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

A6 e-tron 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.

BYD Sealion 7 is clearly cheaper – starting at 42,800 £ , while the Audi A6 e-tron Avant costs 55,200 £ . That’s a price difference of around 12,394 £.

In terms of energy consumption, the Audi A6 e-tron Avant is markedly more efficient: consuming 14.8 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 5.1 kWh/100km.

As for electric range, the Audi A6 e-tron Avant offers markedly more range – reaching up to 716 km, about 214 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 Audi A6 e-tron Avant offers barely more power – delivering 551 HP compared to 530 HP. That’s roughly 21 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Avant is a bit quicker – completing the sprint in 3.9 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the Audi A6 e-tron Avant delivers moderately more torque with 855 Nm compared to 690 Nm. That’s about 165 Nm more.

A6 e-tron 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 A6 e-tron Avant is barely lighter – 2,185 kg compared to 2,225 kg. The difference is around 40 kg.

Looking at boot space, the BYD Sealion 7 offers marginally more boot space – 520 L compared to 502 L. That’s a difference of about 18 L.

When it comes to payload, the Audi A6 e-tron Avant carries somewhat more – 500 kg compared to 410 kg. That’s a difference of about 90 kg.

Who wins the race in the data check?

The Audi A6 e-tron Avant is clearly superior 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 £55,200
A6 e-tron Avant

Audi A6 e-tron Avant

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 326 - 551 HP
  • Consumption kWh/100km : 14.8 - 17 kWh/100km
  • Electric Range : 539 - 716 km
details

Frequently compared as well

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Audi A6 e-tron Avant
BYD Sealion 7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 e-tron Avant

The Audi A6 e-tron Avant wraps Audi's trademark refinement into a sleek electric estate that looks at home in the city or on the open road. Inside it's grown-up and tech-forward with practical packaging for family life, delivering a composed, confident drive that makes everyday hauling feel a bit more special and slightly futuristic.

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A243167_medium
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Reviews Audi A6 e-tron Avant

3.4 (3 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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byd-sealion-7-17
byd-sealion-7-12

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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Audi A6 e-tron Avant
BYD Sealion 7

Costs and Consumption
Price
55,200 - 100,100 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.8 - 17 kWh/100km
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
539 - 716 km
Electric Range
456 - 502 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,185 - 2,410 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
502 L
Trunk capacity
520 L
Length
4,928 mm
Length
-
Width
1,923 mm
Width
1,925 mm
Height
1,504 - 1,527 mm
Height
-
Max trunk capacity
1,422 L
Max trunk capacity
-
Payload
470 - 500 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
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
326 - 551 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
210 - 240 km/h
Max Speed
-
Torque
435 - 855 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
240 - 405 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Audi
Brand
BYD
What drivetrain options does the Audi A6 e-tron Avant have?

The Audi A6 e-tron Avant is available as 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.