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BYD Seal U vs Mazda 3 Hatchback comparison

Compare performance (324 HP vs 186 HP), boot space and price (34,300 £ vs 25,000 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or Mazda 3 Hatchback?

BYD Seal U vs Mazda 3 Hatchback: Key differences

BYD Seal U

4.1 (7 Reviews)
rate
  • clearly more power
  • visibly quicker 0–100 km/h
  • markedly more trunk space
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Mazda 3 Hatchback

  • markedly cheaper
  • clearly lighter
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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

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.

Mazda 3 Hatchback is markedly cheaper – starting at 25,000 £ , while the BYD Seal U costs 34,300 £ . That’s a price difference of around 9,257 £.

3 Hatchback

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 BYD Seal U offers clearly more power – delivering 324 HP compared to 186 HP. That’s roughly 138 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Seal U is visibly quicker – completing the sprint in 5.9 s, while the Mazda 3 Hatchback takes 8 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the BYD Seal U delivers substantially more torque with 550 Nm compared to 240 Nm. That’s about 310 Nm more.

Seal U

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, Mazda 3 Hatchback is clearly lighter – 1,417 kg compared to 1,940 kg. The difference is around 523 kg.

Looking at boot space, the BYD Seal U offers markedly more boot space – 552 L compared to 351 L. That’s a difference of about 201 L.

When it comes to payload, the Mazda 3 Hatchback carries a bit more – 502 kg compared to 410 kg. That’s a difference of about 92 kg.

Who wins the race in the data check?

The BYD Seal U holds a decisive overall lead 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 £34,300
Seal U

BYD Seal U

  • Engine Type Electric, Plugin Hybrid
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 218 - 324 HP
  • Consumption kWh/100km 12.1 - 20.5 kWh/100km
  • Electric Range 70 - 500 km
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Frequently compared as well

BYD Seal U
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MG HS
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Comparing the BYD Seal and the MG HS puts a modern electric fastback (the BYD Seal) up against a traditional compact SUV (the MG HS) that prioritizes practicality and interior space. This quick guide focuses on real-world driving feel, running costs, tech and ownership considerations so you can …
BYD Seal U
Mazda 3 Hatchback

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 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 (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

Mazda 3 Hatchback

The Mazda 3 hatchback blends elegant design with a surprisingly sporty drive, giving a cabin that feels more upscale than you’d expect for the segment. Practical enough for everyday life yet eager to entertain behind the wheel, it’s a smart, good-humored choice that makes even grocery runs feel like a mini escape.

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2022_mazda3_spain_act_15_highres
2022_mazda3_spain_still_14_highres
2022_mazda3_spain_int_01_highres
2022_mazda3_pq_spain_int_05_highres

Reviews Mazda 3 Hatchback

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

Frequently compared as well

BYD Seal U
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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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BYD Seal U
Mazda 3 Hatchback

Costs and Consumption
Price
34,300 - 39,800 £
Price
25,000 - 36,000 £
Consumption L/100km
-
Consumption L/100km
5.6 - 6.5 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 - 146 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,940 - 2,147 kg
Curb weight
1,417 - 1,529 kg
Trunk capacity
425 - 552 L
Trunk capacity
351 L
Length
-
Length
-
Width
1,890 mm
Width
1,795 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
487 - 502 kg

Engine and Performance
Engine Type
Electric, Plugin Hybrid
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
218 - 324 HP
Power HP
140 - 186 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
8 - 9.8 s
Max Speed
-
Max Speed
-
Torque
300 - 550 Nm
Torque
238 - 240 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
160 - 238 kW
Power kW
103 - 137 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
1,998 - 2,488 cm3

General
Model Year
2,024 - 2,026
Model Year
2026
CO2 Efficiency Class
A, B
CO2 Efficiency Class
D, E
Brand
BYD
Brand
Mazda
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.