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Mazda MX-5 Roadster vs BYD Seal U comparison

Compare performance (132 HP vs 324 HP), boot space and price (29,000 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or BYD Seal U?

Mazda MX-5 Roadster vs BYD Seal U: Key differences

Mazda MX-5 Roadster

  • somewhat cheaper
  • clearly lighter
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BYD Seal U

4.3 (11 Reviews)
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  • clearly more power
  • clearly quicker 0–100 km/h
  • substantially 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

MX-5 Roadster

Costs and Efficiency:

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

Mazda MX-5 Roadster is somewhat cheaper – starting at 29,000 £ , while the BYD Seal U costs 34,300 £ . That’s a price difference of around 5,315 £.

Seal U

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BYD Seal U offers clearly more power – delivering 324 HP compared to 132 HP. That’s roughly 192 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Seal U is clearly quicker – completing the sprint in 5.9 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 2.4 s quicker.

There’s also a difference in torque: the BYD Seal U delivers considerably more torque with 550 Nm compared to 152 Nm. That’s about 398 Nm more.

MX-5 Roadster

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Seats: BYD Seal U offers more seats – 5 vs 2.

In terms of curb weight, Mazda MX-5 Roadster is clearly lighter – 1,078 kg compared to 1,940 kg. The difference is around 862 kg.

Looking at boot space, the BYD Seal U offers substantially more boot space – 552 L compared to 130 L. That’s a difference of about 422 L.

When it comes to payload, the BYD Seal U carries considerably more – 410 kg compared to 152 kg. That’s a difference of about 258 kg.

Who wins the race in the data check?

The BYD Seal U is decisively ahead 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
Mazda MX-5 Roadster
BYD Seal U

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

Mazda MX-5 Roadster

The Mazda MX-5 is a featherweight, open-top sports car that turns ordinary roads into a grin-inducing playground thanks to razor-sharp steering and an engaging, tactile gearbox. It won’t swallow the weekly shopping or ski bags, but for anyone after pure driving fun and sun-on-your-face weekends, few cars match its sheer charm and value.

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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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Mazda MX-5 Roadster
BYD Seal U

Costs and Consumption

Price
29,000 - 34,300 £
Price
34,300 - 39,800 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
-
Electric Range
70 - 500 km
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
0 - 71 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Roadster
Body Type
SUV
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,078 kg
Curb weight
1,940 - 2,147 kg
Trunk capacity
130 L
Trunk capacity
425 - 552 L
Length
-
Length
-
Width
1,735 mm
Width
1,890 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
152 kg
Payload
410 kg

Engine and Performance

Engine Type
Petrol
Engine Type
Electric, Plugin Hybrid
Transmission
Manuel
Transmission
Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
132 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
-
Max Speed
-
Torque
152 Nm
Torque
300 - 550 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
97 kW
Power kW
160 - 238 kW
Engine capacity
1,496 cm3
Engine capacity
1,497 - 1,498 cm3

General

Model Year
2025
Model Year
2,024 - 2,026
CO2 Efficiency Class
E
CO2 Efficiency Class
A, B
Brand
Mazda
Brand
BYD
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.