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BYD Seal U vs Mazda CX-30 comparison

Compare performance (324 HP vs 186 HP), boot space and price (34,300 £ vs 25,700 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or Mazda CX-30?

BYD Seal U vs Mazda CX-30: Key differences

BYD Seal U

4.3 (11 Reviews)
rate
  • significantly more power
  • considerably quicker 0–100 km/h
  • noticeably more trunk space
details

Mazda CX-30

4.5 (10 Reviews)
rate
  • markedly cheaper
  • visibly lighter
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

Seal U

Costs and Efficiency:

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

Mazda CX-30 is markedly cheaper – starting at 25,700 £ , while the BYD Seal U costs 34,300 £ . That’s a price difference of around 8,572 £.

CX-30

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 significantly 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 considerably quicker – completing the sprint in 5.9 s, while the Mazda CX-30 takes 8.3 s. That’s about 2.4 s quicker.

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

Seal U

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mazda CX-30 is visibly lighter – 1,455 kg compared to 1,940 kg. The difference is around 485 kg.

Looking at boot space, the BYD Seal U offers noticeably more boot space – 552 L compared to 430 L. That’s a difference of about 122 L.

When it comes to payload, the Mazda CX-30 carries slightly more – 496 kg compared to 410 kg. That’s a difference of about 86 kg.

Who wins the race in the data check?

The BYD Seal U 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 £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
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 …
BYD Seal U
BYD Sealion 7
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Choosing between the Seal U and the Sealion 7 means weighing sportier driving dynamics against extra space and everyday practicality. This quick comparison highlights the key differences in performance, range, interior comfort and value so you can pick the BYD that best fits your needs.
BYD Seal U
Mazda CX-30

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.

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

Reviews BYD Seal U

4.3 (11 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

Mazda CX-30

The Mazda CX-30 blends Mazda’s upscale styling with a compact crossover body, offering a refined interior and engaging driving dynamics. It’s a practical choice for buyers who want a premium feel and agile handling in a city-friendly package.

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2022_mazda_cx-30_src_spain_act_42
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Reviews Mazda CX-30

4.5 (10 Reviews)
rate
Jarek
4 Jun 2026, 09:16:53

The pleasure of driving and everything we call premium sensations.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Danny
31 May 2026, 17:14:00

Nice luxury car, although I'm not sure I find the oversized rims that attractive. On the other hand, I like the Mazda 3 better.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Practicality / Trunk & Everyday Use
Value for Money
Paul
27 May 2026, 05:17:55

Better soundproofed, more powerful, and feels more like a continuation of my hands and feet when driving — in other words, you feel like a single unit during the driving experience — but cramped for me at 6 ft 1 in to get in and out…

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Michele
8 May 2026, 17:46:44

Quiet; well finished, predominantly analog dashboard; excellent value for money

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
Rafa
25 Apr 2026, 12:50:49

I wouldn't pay more than 40,000 for a 1.5 L engine — that's excessive.

Frequently compared as well

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Comparing the BYD Seal U and the MG MGS9 puts two distinct approaches to modern motoring head‑to‑head. I’ll highlight where each model shines — from driving dynamics and tech to practicality and running costs — so you can decide which fits your needs.
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Ford Kuga
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Comparing the BYD Seal U and the Ford Kuga means weighing a sleek, tech‑forward electric from BYD against Ford’s practical compact crossover—their strengths point to very different priorities. I’ll look at performance, range/fuel economy, interior space, practicality and running costs to help you …
BYD Seal U
BYD Seal 6
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Think of the BYD Seal U as the nimble, slightly sharper hatchback that’s happier darting through city streets, while the BYD Seal 6 is the sleeker, longer-legged cruiser built for relaxed motorway miles and extra range. If you want playful agility and everyday practicality go Seal U, but if …
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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 …
BYD Seal U
BYD Seal
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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 …
Lexus UX
Mazda CX-30
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The Lexus UX and Mazda CX-30 are two compact crossovers that target different buyers: the UX prioritizes premium feel and comfort, while the CX-30 focuses on engaging driving dynamics and value. This comparison will highlight how they stack up in design, interior quality, tech, safety and running …
BYD Seal U
Kia Sportage
VS
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 …
BYD Seal U
Mazda CX-30

Costs and Consumption
Price
34,300 - 39,800 £
Price
25,700 - 37,200 £
Consumption L/100km
-
Consumption L/100km
5.7 - 6.6 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
129 - 148 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,940 - 2,147 kg
Curb weight
1,455 - 1,587 kg
Trunk capacity
425 - 552 L
Trunk capacity
422 - 430 L
Length
-
Length
-
Width
1,890 mm
Width
1,795 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
458 - 496 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
8.3 - 10.3 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
2025
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.