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BYD Seal U vs Audi A4 Avant comparison

Compare performance (324 HP vs 470 HP), boot space and price (34,300 £ vs 37,200 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or Audi A4 Avant?

BYD Seal U vs Audi A4 Avant: Key differences

BYD Seal U

4.1 (7 Reviews)
rate
  • barely cheaper
  • somewhat more trunk space

Audi A4 Avant

  • clearly more power
  • significantly quicker 0–100 km/h
  • visibly lighter

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

Here’s where it gets real: The technical differences in detail

Seal U

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BYD Seal U is barely cheaper – starting at 34,300 £ , while the Audi A4 Avant costs 37,200 £ . That’s a price difference of around 2,965 £.

A4 Avant

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 A4 Avant offers clearly more power – delivering 470 HP compared to 324 HP. That’s roughly 146 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A4 Avant 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.

Looking at top speed, the Audi A4 Avant is considerably faster – reaching 300 km/h, while the BYD Seal U tops out at 175 km/h. The difference is around 125 km/h.

There’s also a difference in torque: the Audi A4 Avant delivers marginally more torque with 600 Nm compared to 550 Nm. That’s about 50 Nm more.

Seal U

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, Audi A4 Avant is visibly lighter – 1,595 kg compared to 1,940 kg. The difference is around 345 kg.

Looking at boot space, the BYD Seal U offers somewhat more boot space – 552 L compared to 495 L. That’s a difference of about 57 L.

For maximum load capacity, the Audi A4 Avant offers marginally more capacity – up to 1,495 L, about 55 L more than the BYD Seal U.

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

Who wins the race in the data check?

The Audi A4 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 £37,200
A4 Avant

Audi A4 Avant

  • Engine Type : Diesel MHEV, Petrol MHEV, Petrol
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 136 - 470 HP
  • Consumption L/100km : 4.8 - 9.7 L/100km
details

Frequently compared as well

BYD Seal U
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BYD Seal U
Audi A4 Avant

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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

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

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

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BYD Seal U
Audi A4 Avant

Costs and Consumption
Price
34,300 - 39,800 £
Price
37,200 - 122,500 £
Consumption L/100km
-
Consumption L/100km
4.8 - 9.7 L/100km
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Consumption kWh/100km
-
Electric Range
70 - 500 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 71 g/km
co2
126 - 220 g/km
Fuel tank capacity
-
Fuel tank capacity
40 - 58 L

Dimensions and Body
Body Type
SUV
Body Type
Estate
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,940 - 2,147 kg
Curb weight
1,595 - 1,820 kg
Trunk capacity
425 - 552 L
Trunk capacity
495 L
Length
4,785 mm
Length
4,750 - 4,782 mm
Width
1,890 mm
Width
1,842 - 1,866 mm
Height
1,668 mm
Height
1,428 - 1,493 mm
Max trunk capacity
1,440 L
Max trunk capacity
1,495 L
Payload
410 kg
Payload
510 - 565 kg

Engine and Performance
Engine Type
Electric, Plugin Hybrid
Engine Type
Diesel MHEV, Petrol MHEV, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive, Front-Wheel Drive
Power HP
218 - 324 HP
Power HP
136 - 470 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
3.7 - 9.8 s
Max Speed
175 km/h
Max Speed
210 - 300 km/h
Torque
300 - 550 Nm
Torque
270 - 600 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
160 - 238 kW
Power kW
100 - 346 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
1,968 - 2,894 cm3

General
Model Year
2,024 - 2,026
Model Year
2,023 - 2,024
CO2 Efficiency Class
A, B
CO2 Efficiency Class
E, F, D, G
Brand
BYD
Brand
Audi
What drivetrain options does the BYD Seal U have?

The BYD Seal U is available as Front-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.