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BYD Seal U vs MG MG3 comparison

Compare performance (324 HP vs 194 HP), boot space and price (34,300 £ vs 15,400 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or MG MG3?

BYD Seal U vs MG MG3: Key differences

BYD Seal U

4.1 (7 Reviews)
rate
  • clearly more power
  • markedly quicker 0–100 km/h
details

MG MG3

5 (1 Reviews)
rate
  • considerably cheaper
  • considerably 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:

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

MG MG3 is considerably cheaper – starting at 15,400 £ , while the BYD Seal U costs 34,300 £ . That’s a price difference of around 18,857 £.

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 Seal U offers clearly more power – delivering 324 HP compared to 194 HP. That’s roughly 130 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Seal U is markedly quicker – completing the sprint in 5.9 s, while the MG MG3 takes 8 s. That’s about 2.1 s quicker.

There’s also a difference in torque: the BYD Seal U delivers considerably more torque with 550 Nm compared to 148 Nm. That’s about 402 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, MG MG3 is considerably lighter – 1,237 kg compared to 1,940 kg. The difference is around 703 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 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
BYD Sealion 7
VS
The BYD Seal U brings crossover practicality and a higher driving position for buyers after everyday versatility, while the sleeker BYD Sealion 7 swaps that raised stance for a lower, sportier profile and crisper road manners. Choose the Seal U for family-friendly space and comfort, or the Sealion …
BYD Seal U
MG HS
VS
Fresh from BYD’s EV revolution, the sleek Seal U brings range, tech and bold styling to spar with the MG HS/EHS — MG’s faithful family crossover offered as a petrol and a plug‑in hybrid that plays the safe, sensible card. Which one gives you the best mix of space, running costs and grin‑per‑mile?
BYD Seal U
MG MG3

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 pairs a sleek fastback silhouette with a surprisingly roomy, tech-rich cabin, giving electric chic without the showroom pretension. It's a smart pick for buyers after confident handling, sensible practicality and standout value — all wrapped up with a cheeky grin when you put your foot down.

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

Reviews BYD Seal U

4.1 (7 Reviews)
rate
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

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 Seal U
Toyota RAV4
VS
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 Atto 3
BYD Seal U
VS
If you want a friendly, practical EV that looks like it drinks coffee in a hipster cafe and carries everything from groceries to weekend bikes, the BYD Atto 3 is the sensible, value-packed choice. The BYD Seal U, by contrast, dresses up the electric experience with sleeker lines, sharper handling …
BYD Seal U
BYD Seal
VS
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 …
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
BYD Seal 6
VS
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 …
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
VS
Choosing between the compact MG3 hatchback and the larger MG ZS crossover comes down to whether you prioritise city-friendly agility and low running costs or interior space and practicality. This comparison covers driving character, equipment, fuel economy and ownership costs to help you pick the …
Hyundai i20
MG MG3
VS
The Hyundai i20 and the MG3 are compact hatchbacks aimed at budget-conscious buyers, but they take different approaches: the i20 focuses on refinement, safety and a more premium interior, while the MG3 prioritises bold styling and value-packed equipment. This comparison will help you decide which …
BYD Seal U
MG MG3

Costs and Consumption
Price
34,300 - 39,800 £
Price
15,400 - 21,400 £
Consumption L/100km
-
Consumption L/100km
4.4 - 6.1 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
100 - 137 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,940 - 2,147 kg
Curb weight
1,237 - 1,285 kg
Trunk capacity
425 - 552 L
Trunk capacity
-
Length
-
Length
-
Width
1,890 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, Plugin Hybrid
Engine Type
Petrol, Full Hybrid
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
Power HP
218 - 324 HP
Power HP
116 - 194 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
8 - 10.8 s
Max Speed
-
Max Speed
-
Torque
300 - 550 Nm
Torque
148 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
160 - 238 kW
Power kW
85 - 143 kW
Engine capacity
1,497 - 1,498 cm3
Engine capacity
1,490 - 1,495 cm3

General
Model Year
2,024 - 2,026
Model Year
2025
CO2 Efficiency Class
A, B
CO2 Efficiency Class
E, C
Brand
BYD
Brand
MG
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.