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Audi A6 e-tron Avant vs BYD Seal U comparison

Compare performance (551 HP vs 324 HP), boot space and price (55,200 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – Audi A6 e-tron Avant or BYD Seal U?

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

Audi A6 e-tron Avant

3.4 (3 Reviews)
rate
  • substantially more power
  • noticeably more electric range
  • considerably quicker 0–100 km/h
details

BYD Seal U

4.2 (10 Reviews)
rate
  • substantially cheaper
  • visibly more efficient
  • somewhat lighter
  • only slightly 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 key factors when choosing a car – and this is often where the real differences emerge.

BYD Seal U is substantially cheaper – starting at 34,300 £ , while the Audi A6 e-tron Avant costs 55,200 £ . That’s a price difference of around 20,965 £.

In terms of energy consumption, the BYD Seal U is visibly more efficient: consuming 12.1 kWh/100km compared to 14.8 kWh/100km for the Audi A6 e-tron Avant. That’s a difference of about 2.7 kWh/100km.

As for electric range, the Audi A6 e-tron Avant offers noticeably more range – reaching up to 716 km, about 216 km more than the BYD Seal U.

Seal U

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 A6 e-tron Avant 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 Avant is considerably 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 Avant delivers markedly more torque with 855 Nm compared to 550 Nm. That’s about 305 Nm more.

A6 e-tron Avant

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 somewhat lighter – 1,940 kg compared to 2,185 kg. The difference is around 245 kg.

Looking at boot space, the BYD Seal U offers only slightly 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 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 stands well ahead of its rival 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

BYD Seal U
Geely Starray
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Comparing the BYD Seal U and the Geely Starray shows two different takes on the modern electric fastback: BYD leans on proven EV range, battery tech and a connected ecosystem, while Geely packs bold styling, interior space and value into a compelling package. If you want maximum efficient range and …
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Audi A6 e-tron Avant
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 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.

details
A243176_medium
A243167_medium
A243148_medium

Reviews Audi A6 e-tron Avant

3.4 (3 Reviews)
rate

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

BYD Seal U

The BYD Seal U is a sleek electric fastback that blends sporty styling with a roomy, tech-focused interior, making it an appealing choice for buyers who want electric performance without sacrificing comfort. It delivers a smooth, composed ride and intuitive features, positioning it as a practical yet modern option in the EV market.

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

Reviews BYD Seal U

4.2 (10 Reviews)
rate
Tomi
17 Jun 2026, 18:32:35

Great value for money.
Some small software bugs like any car nowdays.

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
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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BYD Seal U
MG HS
VS
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Toyota RAV4
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BYD Seal U is a sleek, driver‑focused electric newcomer that delivers brisk, silent acceleration, cutting‑edge tech and impressive running‑cost savings — it’s the car that makes you forget what an internal‑combustion soundtrack sounded like. The Toyota RAV4 sticks to its strengths: rugged, roomy …
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Ford Kuga
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BYD Seal U
BYD Seal
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Kia Sportage
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In one corner, the sleek, spoiler-tinged BYD Seal U — an electric fastback that flirts with sports-car dynamics while packing a tech-bomb of range and gadgets; in the other, the practical, ever-adaptable Kia Sportage — a compact SUV that blends comfort, space and sensible running costs into a tidy …
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Put simply: the BYD Seal U is a slick, value-packed electric newcomer that trades brand pedigree for cutting-edge tech, impressive range and a price that makes you rethink running on petrol, while the Porsche Cayenne remains the benchmark for SUV dynamics, luxury and towing practicality with a …
Audi A6 e-tron Avant
BYD Seal U

Costs and Consumption
Price
55,200 - 100,100 £
Price
34,300 - 39,800 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
14.8 - 17 kWh/100km
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
539 - 716 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
Estate
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,185 - 2,410 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
1,504 - 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, 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
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.