VS

BYD Dolphin vs BYD Seal U comparison

Compare performance (204 HP vs 324 HP), boot space and price (29,700 £ vs 34,300 £ ) at a glance. Find out which car is the better choice for you – BYD Dolphin or BYD Seal U?

BYD Dolphin vs BYD Seal U: Key differences

BYD Dolphin

3.7 (3 Reviews)
rate
  • moderately cheaper
  • a bit lighter

BYD Seal U

4.1 (7 Reviews)
rate
  • markedly more power
  • visibly more efficient
  • a bit more electric range
  • a bit quicker 0–100 km/h
  • visibly more trunk space

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

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.

BYD Dolphin is moderately cheaper – starting at 29,700 £ , while the BYD Seal U costs 34,300 £ . That’s a price difference of around 4,586 £.

In terms of energy consumption, the BYD Seal U is visibly more efficient: consuming 12.1 kWh/100km compared to 15.9 kWh/100km for the BYD Dolphin. That’s a difference of about 3.8 kWh/100km.

As for electric range, the BYD Seal U offers a bit more range – reaching up to 500 km, about 73 km more than the BYD Dolphin.

Seal U

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the BYD Seal U offers markedly more power – delivering 324 HP compared to 204 HP. That’s roughly 120 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Seal U is a bit quicker – completing the sprint in 5.9 s, while the BYD Dolphin takes 7 s. That’s about 1.1 s quicker.

Looking at top speed, the BYD Seal U is very slightly faster – reaching 175 km/h, while the BYD Dolphin tops out at 160 km/h. The difference is around 15 km/h.

There’s also a difference in torque: the BYD Seal U delivers substantially more torque with 550 Nm compared to 310 Nm. That’s about 240 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, BYD Dolphin is a bit lighter – 1,658 kg compared to 1,940 kg. The difference is around 282 kg.

Looking at boot space, the BYD Seal U offers visibly more boot space – 552 L compared to 345 L. That’s a difference of about 207 L.

For maximum load capacity, the BYD Seal U offers marginally more capacity – up to 1,440 L, about 130 L more than the BYD Dolphin.

Maximum payload is identical – both can carry up to 410 kg.

Who wins the race in the data check?

The BYD Seal U is clearly superior overall 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 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
BYD Seal U

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

3.7 (3 Reviews)
rate
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

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

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/EHS
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
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 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 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 …
BYD Seal U
Porsche Cayenne
VS
Put simply: the BYD Seal U is a slick, value-packed electric newcomer that trades brand pedigree for cutting-edge tech, impressive range and a price that makes you rethink running on petrol, while the Porsche Cayenne remains the benchmark for SUV dynamics, luxury and towing practicality with a …
BYD Seal U
Lynk & Co 08
VS
The BYD Seal U feels like a sleek, tech‑forward EV with impressive performance-to-price ratio, while the Lynk & Co 08 plays the role of bold, spacious SUV that prioritizes comfort and presence. If you want sporty agility and cutting‑edge battery tech, go Seal U; if you need family practicality, …
BYD Dolphin
BYD Seal U

Costs and Consumption
Price
29,700 - 31,400 £
Price
34,300 - 39,800 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.9 kWh/100km
Consumption kWh/100km
12.1 - 20.5 kWh/100km
Electric Range
427 km
Electric Range
70 - 500 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 - 71 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,658 kg
Curb weight
1,940 - 2,147 kg
Trunk capacity
345 L
Trunk capacity
425 - 552 L
Length
4,290 mm
Length
4,785 mm
Width
1,770 mm
Width
1,890 mm
Height
1,570 mm
Height
1,668 mm
Max trunk capacity
1,310 L
Max trunk capacity
1,440 L
Payload
410 kg
Payload
410 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
204 HP
Power HP
218 - 324 HP
Acceleration 0-100km/h
7 s
Acceleration 0-100km/h
5.9 - 9.6 s
Max Speed
160 km/h
Max Speed
175 km/h
Torque
310 Nm
Torque
300 - 550 Nm
Number of Cylinders
-
Number of Cylinders
4
Power kW
150 kW
Power kW
160 - 238 kW
Engine capacity
-
Engine capacity
1,497 - 1,498 cm3

General
Model Year
2,023
Model Year
2,024 - 2,026
CO2 Efficiency Class
A
CO2 Efficiency Class
A, B
Brand
BYD
Brand
BYD
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.