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Audi A5 Sportback vs BYD Seal U comparison

Compare performance (639 HP vs 324 HP), boot space and price (40,200 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or BYD Seal U?

Audi A5 Sportback vs BYD Seal U: Key differences

Audi A5 Sportback

  • substantially more power
  • significantly quicker 0–100 km/h
  • only slightly lighter
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BYD Seal U

4.1 (8 Reviews)
rate
  • slightly cheaper
  • clearly more electric range
  • significantly 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

A5 Sportback

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 slightly cheaper – starting at 34,300 £ , while the Audi A5 Sportback costs 40,200 £ . That’s a price difference of around 5,923 £.

As for electric range, the BYD Seal U offers clearly more range – reaching up to 500 km, about 390 km more than the Audi A5 Sportback.

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 A5 Sportback offers substantially more power – delivering 639 HP compared to 324 HP. That’s roughly 315 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is significantly quicker – completing the sprint in 3.7 s, while the BYD Seal U takes 5.9 s. That’s about 2.2 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers noticeably more torque with 825 Nm compared to 550 Nm. That’s about 275 Nm more.

A5 Sportback

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 A5 Sportback is only slightly lighter – 1,770 kg compared to 1,940 kg. The difference is around 170 kg.

Looking at boot space, the BYD Seal U offers significantly more boot space – 552 L compared to 331 L. That’s a difference of about 221 L.

When it comes to payload, the Audi A5 Sportback carries clearly more – 530 kg compared to 410 kg. That’s a difference of about 120 kg.

Who wins the race in the data check?

The Audi A5 Sportback 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 £40,200
A5 Sportback

Audi A5 Sportback

  • Engine Type Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Front-Wheel Drive
  • Power HP 150 - 639 HP
  • Consumption L/100km 2 - 7.6 L/100km
  • Electric Range 84 - 110 km
details

Frequently compared as well

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Audi A5 Sportback
BYD Seal U

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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Reviews Audi A5 Sportback

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.

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

Reviews BYD Seal U

4.1 (8 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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The BYD Seal U trades the low-slung, swoopy charm of the BYD Seal for a taller, more practical shape — think crossover comfort, easier loading and a higher driving position without giving up the EV's brisk acceleration. If you want sportier looks and the slickest aero for maximum range, choose the …
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Audi A5 Sportback
BYD Seal U

Costs and Consumption
Price
40,200 - 91,000 £
Price
34,300 - 39,800 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
84 - 110 km
Electric Range
70 - 500 km
Battery Capacity
-
Battery Capacity
-
co2
45 - 172 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
-
Doors
-
Curb weight
1,770 - 2,430 kg
Curb weight
1,940 - 2,147 kg
Trunk capacity
331 L
Trunk capacity
425 - 552 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,890 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 530 kg
Payload
410 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Electric, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
150 - 639 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
300 - 550 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
110 - 470 kW
Power kW
160 - 238 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
1,497 - 1,498 cm3

General
Model Year
2,025 - 2,026
Model Year
2,024 - 2,026
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
A, B
Brand
Audi
Brand
BYD
What drivetrain options does the Audi A5 Sportback have?

The Audi A5 Sportback 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.