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BYD Dolphin vs Mazda 3 Sedan comparison

Compare performance (204 HP vs 186 HP), boot space and price (29,700 £ vs 25,000 £ ) at a glance. Find out which car is the better choice for you – BYD Dolphin or Mazda 3 Sedan?

BYD Dolphin vs Mazda 3 Sedan: Key differences

BYD Dolphin

4 (4 Reviews)
rate
  • only slightly more power
  • somewhat quicker 0–100 km/h
details

Mazda 3 Sedan

4.7 (1 Reviews)
rate
  • somewhat cheaper
  • moderately lighter
  • clearly more trunk space
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

Dolphin

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mazda 3 Sedan is somewhat cheaper – starting at 25,000 £ , while the BYD Dolphin costs 29,700 £ . That’s a price difference of around 4,714 £.

3 Sedan

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 Dolphin offers only slightly more power – delivering 204 HP compared to 186 HP. That’s roughly 18 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Dolphin is somewhat quicker – completing the sprint in 7 s, while the Mazda 3 Sedan takes 8.1 s. That’s about 1.1 s quicker.

There’s also a difference in torque: the BYD Dolphin delivers visibly more torque with 310 Nm compared to 240 Nm. That’s about 70 Nm more.

Dolphin

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 3 Sedan is moderately lighter – 1,420 kg compared to 1,658 kg. The difference is around 238 kg.

Looking at boot space, the Mazda 3 Sedan offers clearly more boot space – 450 L compared to 345 L. That’s a difference of about 105 L.

When it comes to payload, the Mazda 3 Sedan carries somewhat more – 481 kg compared to 410 kg. That’s a difference of about 71 kg.

Who wins the race in the data check?

The BYD Dolphin 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 £29,700
Dolphin

BYD Dolphin

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 204 HP
  • Consumption kWh/100km : 15.9 kWh/100km
  • Electric Range : 427 km
details

Frequently compared as well

BYD Dolphin
BYD Atto 2
VS
The BYD Dolphin and BYD Atto 2 represent two distinct EV choices from BYD: the Dolphin is a compact, city-oriented hatchback focused on efficiency and nimble urban driving, while the Atto 2 is a compact crossover offering more space, a higher driving position and richer tech. Choose the Dolphin for …
BYD Dolphin
BYD Dolphin Surf
VS
The BYD Dolphin and the sportier Dolphin Surf share the same efficient electric bones, but the Surf adds visual muscle, slightly firmer suspension and sharper steering for anyone craving a bit more attitude. Inside they’re twins — clever packaging, roomy rear seats and a useful boot — so the Surf’s …
BYD Dolphin
Mazda 3 Sedan

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BYD Dolphin

The BYD Dolphin is a cheeky electric hatchback that blends playful styling with surprising practicality, making it a brilliant city companion for buyers who want modern tech without the showroom bravado. It’s comfy, efficient and easy to live with, and while it won’t blind you with supercar drama, it will quietly get the job done with plenty of character.

details
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000AECC3-AF0F-42E4-A606-040E7FB88B81
0344F0B7-DD22-4EE0-9220-311A496628F6

Reviews BYD Dolphin

4 (4 Reviews)
rate
Mark Kennedy
12 Apr 2026, 17:25:08

Absolute gem of a car, wonderfully smooth and powerful, along with being loaded with tech. By far the best car I've had. Would highly recommend

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
John Maskell
3 Jan 2026, 07:26:24

Loving the dolphin

How do you mainly use this car? (optional): City / Short distance
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Mazda 3 Sedan

The Mazda 3 Sedan dresses like a compact premium car, with sculpted lines and an interior that punches well above its class. It rewards drivers with eager handling and a composed, comfortable ride that turns routine runs into something a bit more enjoyable — proof that style and substance can share the same key.

details
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Reviews Mazda 3 Sedan

4.7 (1 Reviews)
rate

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

Frequently compared as well

BYD Dolphin
Renault R5
VS
If you want no-nonsense electric practicality and impressive value for daily miles, the BYD Dolphin delivers usable range, clever packaging and tech that actually matters without breaking the bank. The Renault 5, meanwhile, sacrifices a little practicality for irresistible retro charm and …
BYD Dolphin
VW ID.3
VS
Comparing the BYD Dolphin and the Volkswagen ID.3 gives a clear picture of two distinct approaches to compact electric hatchbacks: the Dolphin emphasizes value, efficiency and clever packaging, while the ID.3 leans on refinement, driving dynamics and European build quality. If you prioritise range, …
BYD Dolphin
MG MG4 Urban
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Mazda 2
Mazda 3 Sedan
VS
Choosing between the city‑savvy Mazda2 and the more grown-up Mazda3 Sedan comes down to whether you prioritize low running costs and easy urban manoeuvrability or a roomier cabin, stronger performance and extra tech. I’ll compare the key points — size, engines, economy, equipment and driving feel — …
BYD Dolphin
Nissan Micra
VS
Comparing the BYD Dolphin and the Nissan Micra helps buyers choose between a modern electric hatchback and a long-standing compact city car. The Dolphin brings EV range, advanced tech and a fresh design, while the Micra offers proven fuel efficiency, low running costs and familiar practicality.
BYD Dolphin
Hyundai Kona
VS
The BYD Dolphin and the Hyundai Kona are two popular compact choices that appeal to city drivers who want efficient, practical cars with modern tech. This comparison looks at how the Dolphin and Kona stack up on range, interior space, driving feel, equipment and running costs so you can pick the …
BYD Dolphin
Nissan Leaf
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BYD Dolphin and Nissan Leaf go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BYD Dolphin
Opel Frontera
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BYD Dolphin
Mazda 3 Sedan

Costs and Consumption
Price
29,700 - 31,400 £
Price
25,000 - 34,200 £
Consumption L/100km
-
Consumption L/100km
5.5 - 6.1 L/100km
Consumption kWh/100km
15.9 kWh/100km
Consumption kWh/100km
-
Electric Range
427 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
123 - 135 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,658 kg
Curb weight
1,420 - 1,492 kg
Trunk capacity
345 L
Trunk capacity
450 L
Length
-
Length
-
Width
1,770 mm
Width
1,795 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
467 - 481 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
204 HP
Power HP
140 - 186 HP
Acceleration 0-100km/h
7 s
Acceleration 0-100km/h
8.1 - 9.8 s
Max Speed
-
Max Speed
-
Torque
310 Nm
Torque
238 - 240 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
150 kW
Power kW
103 - 137 kW
Engine capacity
-
Engine capacity
1,998 - 2,488 cm3

General
Model Year
2023
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
D
Brand
BYD
Brand
Mazda
What drive types are available for the BYD Dolphin?

The BYD Dolphin is available as 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.