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BYD Dolphin vs MG MG3 comparison

Compare performance (204 HP vs 194 HP), boot space and price (29,700 £ vs 15,400 £ ) at a glance. Find out which car is the better choice for you – BYD Dolphin or MG MG3?

BYD Dolphin vs MG MG3: Key differences

BYD Dolphin

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

MG MG3

5 (1 Reviews)
rate
  • substantially 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

Dolphin

Costs and Efficiency:

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

MG MG3 is substantially cheaper – starting at 15,400 £ , while the BYD Dolphin costs 29,700 £ . That’s a price difference of around 14,271 £.

MG3

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the BYD Dolphin offers only slightly more power – delivering 204 HP compared to 194 HP. That’s roughly 10 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 MG MG3 takes 8 s. That’s about 1 s quicker.

There’s also a difference in torque: the BYD Dolphin delivers substantially more torque with 310 Nm compared to 148 Nm. That’s about 162 Nm more.

Dolphin

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, MG MG3 is visibly lighter – 1,237 kg compared to 1,658 kg. The difference is around 421 kg.

When it comes to payload, the MG MG3 carries only slightly more – 448 kg compared to 410 kg. That’s a difference of about 38 kg.

Who wins the race in the data check?

The BYD Dolphin comes out clearly 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 £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 is a zippy, compact EV built for urban life — efficient, easy to park and kind on the wallet, making it a brilliant daily driver for city dwellers. The BYD Atto 2 swaps hatchback frugality for crossover comfort and tech, offering more space, range and kit for buyers who value …
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
MG MG3

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
E3343F48-6402-43F6-BA2F-1FB1F8EFCE7F
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

MG MG3

The MG3 is a cheeky city hatch that pairs bold, youthful styling with sprightly handling for drivers who want personality on a budget. Its cabin is bright and cleverly packaged, offering sensible space and a fun-to-drive character that turns mundane commutes into something a bit more enjoyable.

details
KV-1-1
Left-Back-30°-1
Front-Row-Space-1
Trunk-3

Reviews MG MG3

5 (1 Reviews)
rate
Giorgio catacchio
20 Sept 2025, 00:08:28

I've owned the MG3 Hybrid for a year — I travel a lot, never a dull moment; comes fully loaded as standard, incredible acceleration, etc.

Frequently compared as well

BYD Dolphin
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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 …
MG MG3
MG MG4
VS
If you're after cheap thrills and nimble city driving, the MG3 is the plucky choice — inexpensive, quirky and perfect for tight car parks. But for real-world practicality, range and a more modern feel, the MG4's stylish hatch and EV tech make it the smarter buy for daily drivers who want a bit of …
MG MG3
MG ZS
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In the automotive showdown between the MG MG3 and MG ZS, drivers are treated to a compelling choice between practicality and versatility. The MG3 distinguishes itself with its nimble handling and budget-friendly pricing, making it an excellent option for city dwellers. Meanwhile, the MG ZS …
BYD Dolphin
VW ID.3
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In a head-to-head comparison, the BYD Dolphin and VW ID.3 stand out in the rapidly evolving EV market, each offering unique strengths. The Dolphin impresses with its affordability and efficiency, making it an attractive option for budget-conscious buyers looking for great range and technological …
Hyundai i20
MG MG3
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MG MG3
Renault Clio
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In the battle of budget-friendly hatchbacks, the MG3 takes on the Renault Clio, offering an impressive mix of practicality and style for the price-conscious consumer. While the Clio boasts a more refined interior and a well-established reputation, the MG3 stands out with its generous warranty and …
Mazda 2 Hybrid
MG MG3
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In the competitive compact car segment, the Mazda 2 Hybrid stands out with its efficient hybrid technology and sharp handling, making it an appealing choice for eco-conscious drivers. On the other hand, the MG MG3 offers a more budget-friendly option without sacrificing essential features, …
MG MG3
Opel Corsa
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In the competitive hatchback segment, the MG3 and Vauxhall Corsa both offer attractive options for budget-conscious drivers. The MG3 stands out with its bold styling and surprisingly spacious interior, while the Vauxhall Corsa brings refined driving dynamics and advanced infotainment options to the …
BYD Dolphin
MG MG3

Costs and Consumption
Price
29,700 - 31,400 £
Price
15,400 - 21,400 £
Consumption L/100km
-
Consumption L/100km
4.4 - 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
100 - 137 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,658 kg
Curb weight
1,237 - 1,285 kg
Trunk capacity
345 L
Trunk capacity
-
Length
-
Length
-
Width
1,770 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
373 - 448 kg

Engine and Performance
Engine Type
Electric
Engine Type
Petrol, Full Hybrid
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
116 - 194 HP
Acceleration 0-100km/h
7 s
Acceleration 0-100km/h
8 - 10.8 s
Max Speed
-
Max Speed
-
Torque
310 Nm
Torque
148 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
150 kW
Power kW
85 - 143 kW
Engine capacity
-
Engine capacity
1,490 - 1,495 cm3

General
Model Year
2023
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
E, C
Brand
BYD
Brand
MG
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.