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MG MG4 vs BYD Dolphin Surf comparison

Compare performance (204 HP vs 156 HP), boot space and price (30,500 £ vs 19,700 £ ) at a glance. Find out which car is the better choice for you – MG MG4 or BYD Dolphin Surf?

MG MG4 vs BYD Dolphin Surf: Key differences

MG MG4

5 (2 Reviews)
rate
  • visibly more power
  • visibly more electric range
  • visibly quicker 0–100 km/h

BYD Dolphin Surf

  • significantly cheaper
  • only slightly more efficient
  • markedly lighter

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

Here’s where it gets real: The technical differences in detail

MG4

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

BYD Dolphin Surf is significantly cheaper – starting at 19,700 £ , while the MG MG4 costs 30,500 £ . That’s a price difference of around 10,843 £.

In terms of energy consumption, the BYD Dolphin Surf is only slightly more efficient: consuming 15.5 kWh/100km compared to 16.4 kWh/100km for the MG MG4. That’s a difference of about 0.9 kWh/100km.

As for electric range, the MG MG4 offers visibly more range – reaching up to 450 km, about 128 km more than the BYD Dolphin Surf.

Dolphin Surf

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 MG MG4 offers visibly more power – delivering 204 HP compared to 156 HP. That’s roughly 48 HP more horsepower.

When accelerating from 0 to 100 km/h, the MG MG4 is visibly quicker – completing the sprint in 7.1 s, while the BYD Dolphin Surf takes 9.1 s. That’s about 2 s quicker.

There’s also a difference in torque: the MG MG4 delivers moderately more torque with 250 Nm compared to 220 Nm. That’s about 30 Nm more.

MG4

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: MG MG4 offers more seats – 5 vs 4.

In terms of curb weight, BYD Dolphin Surf is markedly lighter – 1,294 kg compared to 1,635 kg. The difference is around 341 kg.

When it comes to payload, the MG MG4 carries markedly more – 449 kg compared to 344 kg. That’s a difference of about 105 kg.

Who wins the race in the data check?

The MG MG4 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 £30,500
MG4

MG MG4

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive
  • Power HP : 170 - 204 HP
  • Consumption kWh/100km : 16.4 - 17 kWh/100km
  • Electric Range : 330 - 450 km
details

Frequently compared as well

BYD Dolphin
BYD Dolphin Surf
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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 …
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BYD Dolphin Surf

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

MG MG4

The MG4 is a sprightly electric hatch that marries bold, modern looks with genuinely useful practicality, making it a great everyday companion for city and weekend life alike. Inside it surprises with a smart, user-friendly cabin and an engaging drive that delivers more personality than you might expect for the price.

details
MG.027.STUDIO
MG.028.STUDIO
MG.036.STUDIO
MG.038_0.STUDIO

Reviews MG MG4

5 (2 Reviews)
rate
Angio
12 Jan 2026, 12:26:30

Superb

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
Sal
23 Oct 2025, 20:41:36

I tried it today and found the car genuinely pleasant and comfortable to drive.

BYD Dolphin Surf

The BYD Dolphin Surf is an intriguing model that combines sleek design with modern electric technology, making it an appealing choice for urban commuters seeking sustainability and style. Its dynamic exterior design is complemented by an interior that prioritizes comfort and functionality, reflecting the brand's commitment to innovation. The model also offers impressive handling and a smooth driving experience, embodying the shift towards eco-friendly transportation.

details
BYD_Dolphin_Surf__154--2-_UK05BYD
BYD_Dolphin_Surf__251_UK05BYD
BYD_Dolphin_Surf__205-1
BYD_Dolphin_Surf__195

Reviews BYD Dolphin Surf

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

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MG MG4
BYD Dolphin Surf

Costs and Consumption
Price
30,500 - 36,500 £
Price
19,700 - 26,600 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.4 - 17 kWh/100km
Consumption kWh/100km
15.5 - 16 kWh/100km
Electric Range
330 - 450 km
Electric Range
220 - 322 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
4
Doors
-
Doors
-
Curb weight
1,635 - 1,695 kg
Curb weight
1,294 - 1,390 kg
Trunk capacity
-
Trunk capacity
308 L
Length
-
Length
-
Width
1,836 mm
Width
1,720 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
389 - 449 kg
Payload
344 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
170 - 204 HP
Power HP
88 - 156 HP
Acceleration 0-100km/h
7.1 - 7.6 s
Acceleration 0-100km/h
9.1 - 12.1 s
Max Speed
-
Max Speed
-
Torque
250 Nm
Torque
175 - 220 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
125 - 150 kW
Power kW
65 - 115 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,025
Model Year
2,025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
MG
Brand
BYD
Is the MG MG4 offered with different drivetrains?

The MG MG4 is available as Rear-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.