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Compare the facts.

Choose two cars. Charjin keeps test cycles and market caveats visible so similar-looking numbers are not mistaken for identical evidence.

Official specifications shown side by side
Interactive comparison

Build a head-to-head.

Change either car and every chart, technical reference, and specification updates immediately.

First car

MG MG4 EV

WLTP, version dependent

Second car

BYD Dolphin Surf

WLTP, version dependent

Technical view

Published maxima, visualised without converting between test cycles or inventing missing specifications.

MG MG4 EV BYD Dolphin Surf

Specification envelope

Reference scale

Official range ceiling

0–800 km
MG
530 km
BYD
322 km

Up to 530 km · 220–322 km

Largest listed battery

0–100 kWh
MG
77 kWh
BYD
43.2 kWh

49–77 kWh · 30 or 43.2 kWh

Peak DC charging

0–300 kW
MG
144 kW
BYD
85 kW

Up to 144 kW · Up to 85 kW

Electric efficiency

Lower consumption is better, but only like-for-like electric figures are plotted.

10152025 kWh/100 km
MG 16 BYD 15.5

Range × rapid charging

Orientation only. A high peak does not describe the complete charging curve.

Maximum range and peak DC charging plotMG MG4 EV and BYD Dolphin Surf plotted by peak DC charging power and maximum published range.02004006008000100200300Peak DC charging (kW)Published range (km)MG MG4 EVBYD Dolphin Surf
WLTP, version dependent WLTP, version dependent

Specification record

The original wording remains visible beside the charts, including every version, market, and test-cycle qualification.

QuestionMG MG4 EVBYD Dolphin Surf
PowertrainElectricElectric
BodyHatchbackHatchback
Official rangeUp to 530 km220–322 km
Test cycleWLTP, version dependentWLTP, version dependent
Battery49–77 kWh30 or 43.2 kWh
Peak DC chargingUp to 144 kWUp to 85 kW
Published fast charge10–80% from about 26 minutes claimed10–80% in about 30 minutes claimed
Efficiency referenceFrom 16 kWh/100 kmFrom 15.5 kWh/100 km
Seats54

Popular comparisons

Useful starting points based on the models buyers cross-shop.

Tesla Model 3, exterior view
BYD Seal, exterior view
01

Tesla Model 3 vs BYD Seal

Efficiency and charging access meet equipment and cabin richness.

Range references
Up to 750 km / 460–570 km
Peak DC
Up to 250 kW / Up to 150 kW
Tesla Model Y, exterior view
Volkswagen ID.4, exterior view
02

Tesla Model Y vs Volkswagen ID.4

Two family EVs with very different approaches to controls and ownership.

Range references
Up to 622 km / Up to 571 km
Peak DC
Up to 250 kW / Up to 175 kW
Tesla Model Y, exterior view
Hyundai Ioniq 5, exterior view
03

Tesla Model Y vs Hyundai Ioniq 5

Long-distance efficiency versus exceptionally fast charging and cabin flexibility.

Range references
Up to 622 km / Up to 570 km
Peak DC
Up to 250 kW / Up to 260 kW
BYD Atto 3, exterior view
Kia EV3, exterior view
04

BYD Atto 3 vs Kia EV3

A proven value crossover meets a newer, longer-range rival.

Range references
Up to 420 km / Up to 605 km
Peak DC
Up to 88 kW / Up to 128 kW
MG MG4 EV, exterior view
BYD Dolphin Surf, exterior view
05

MG4 vs BYD Dolphin Surf

Affordable electric hatchbacks with different priorities and footprints.

Range references
Up to 530 km / 220–322 km
Peak DC
Up to 144 kW / Up to 85 kW
Toyota RAV4 Hybrid, exterior view
Honda CR-V Hybrid, exterior view
06

Toyota RAV4 vs Honda CR-V Hybrid

Two mainstream hybrid SUVs compared by the way people actually use them.

Range references
Market dependent / Market dependent
Peak DC
Not generally supported / Not generally supported