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Audi A6 e-tron Sportback vs BYD Seal U comparison

Compare performance (551 HP vs 324 HP), boot space and price (53,800 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Sportback or BYD Seal U?

Audi A6 e-tron Sportback vs BYD Seal U: Key differences

Audi A6 e-tron Sportback

  • substantially more power
  • noticeably more electric range
  • clearly quicker 0–100 km/h
details

BYD Seal U

4.1 (7 Reviews)
rate
  • substantially cheaper
  • a bit more efficient
  • moderately lighter
  • barely 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 Sportback

Costs and Efficiency:

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

BYD Seal U is substantially cheaper – starting at 34,300 £ , while the Audi A6 e-tron Sportback costs 53,800 £ . That’s a price difference of around 19,551 £.

In terms of energy consumption, the BYD Seal U is a bit more efficient: consuming 12.1 kWh/100km compared to 13.7 kWh/100km for the Audi A6 e-tron Sportback. That’s a difference of about 1.6 kWh/100km.

As for electric range, the Audi A6 e-tron Sportback offers noticeably more range – reaching up to 754 km, about 254 km more than the BYD Seal U.

Seal U

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 Sportback offers substantially more power – delivering 551 HP compared to 324 HP. That’s roughly 227 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A6 e-tron Sportback is clearly quicker – completing the sprint in 3.9 s, while the BYD Seal U takes 5.9 s. That’s about 2 s quicker.

There’s also a difference in torque: the Audi A6 e-tron Sportback delivers visibly more torque with 855 Nm compared to 550 Nm. That’s about 305 Nm more.

A6 e-tron Sportback

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, BYD Seal U is moderately lighter – 1,940 kg compared to 2,175 kg. The difference is around 235 kg.

Looking at boot space, the BYD Seal U offers barely more boot space – 552 L compared to 502 L. That’s a difference of about 50 L.

When it comes to payload, the Audi A6 e-tron Sportback carries a bit 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 Sportback 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 £53,800
A6 e-tron Sportback

Audi A6 e-tron Sportback

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 326 - 551 HP
  • Consumption kWh/100km : 13.7 - 16.3 kWh/100km
  • Electric Range : 572 - 754 km
details

Frequently compared as well

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Audi A6 e-tron Sportback
BYD Seal U

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A6 e-tron Sportback

The Audi A6 e-tron Sportback wraps futuristic electric technology in elegant, coupe-like proportions, so you arrive looking sharp without shouting for attention. Inside, refined materials and a calm, driver-focused layout make it a convincing choice for buyers who want quiet, effortless performance with a dash of everyday practicality — the kind of car that raises eyebrows without saying a word.

details
A244494_medium
A244492_medium
A243215_medium

Reviews Audi A6 e-tron Sportback

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

BYD Seal U

The BYD Seal U pairs a sleek fastback silhouette with a surprisingly roomy, tech-rich cabin, giving electric chic without the showroom pretension. It's a smart pick for buyers after confident handling, sensible practicality and standout value — all wrapped up with a cheeky grin when you put your foot down.

details
BYD SEAL U 157
BYD SEAL U 061
BYD SEAL U 079

Reviews BYD Seal U

4.1 (7 Reviews)
rate
Emily
20 Jan 2026, 22:52:34

Broke down at 200 KM

How do you mainly use this car? (optional): Family car
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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VS
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Audi A6 e-tron Sportback
BYD Seal U

Costs and Consumption
Price
53,800 - 98,700 £
Price
34,300 - 39,800 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
13.7 - 16.3 kWh/100km
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
572 - 754 km
Electric Range
70 - 500 km
Battery Capacity
75.8 - 94.9 kWh
Battery Capacity
-
co2
0 g/km
co2
0 - 71 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,175 - 2,400 kg
Curb weight
1,940 - 2,147 kg
Trunk capacity
502 L
Trunk capacity
425 - 552 L
Length
4,928 mm
Length
-
Width
1,923 mm
Width
1,890 mm
Height
1,465 - 1,487 mm
Height
-
Max trunk capacity
1,330 L
Max trunk capacity
-
Payload
470 - 500 kg
Payload
410 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
326 - 551 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
3.9 - 6 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
210 - 240 km/h
Max Speed
-
Torque
435 - 855 Nm
Torque
300 - 550 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
240 - 405 kW
Power kW
160 - 238 kW
Engine capacity
-
Engine capacity
1,497 - 1,498 cm3

General
Model Year
2024
Model Year
2,024 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
A, B
Brand
Audi
Brand
BYD
Is the Audi A6 e-tron Sportback offered with different drivetrains?

The Audi A6 e-tron Sportback 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.