@ BYD Auto / BYD Global Media
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BYD Seal U vs Porsche Cayman – Performance, range & efficiency compared

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – BYD Seal U or Porsche Cayman?

BYD Seal U

5 (2 Reviews)
rate

Porsche Cayman

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

Seal U @ BYD Auto / BYD Global Media

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 Seal U has a clearly advantage in terms of price – it starts at 34300 £, while the Porsche Cayman costs 136000 £. That’s a price difference of around 101751 £.

Fuel consumption also shows a difference: BYD Seal U manages with 0.40 L and is therefore clearly more efficient than the Porsche Cayman with 13 L. The difference is about 12.60 L per 100 km.

Seal U @ BYD Auto / BYD Global Media

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 Porsche Cayman has a evident edge – offering 500 HP compared to 324 HP. That’s roughly 176 HP more horsepower.

In acceleration from 0 to 100 km/h, the Porsche Cayman is clearly quicker – completing the sprint in 3.40 s, while the BYD Seal U takes 5.90 s. That’s about 2.50 s faster.

In terms of top speed, the Porsche Cayman performs significantly better – reaching 315 km/h, while the BYD Seal U tops out at 180 km/h. The difference is around 135 km/h.

There’s also a difference in torque: BYD Seal U pulls slightly stronger with 550 Nm compared to 450 Nm. That’s about 100 Nm difference.

Seal U @ BYD Auto / BYD Global Media

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: BYD Seal U offers significantly more seating capacity – 5 vs 2.

In curb weight, Porsche Cayman is clearly perceptible lighter – 1490 kg compared to 1940 kg. The difference is around 450 kg.

In terms of boot space, the BYD Seal U offers significantly more room – 552 L compared to 184 L. That’s a difference of about 368 L.

In maximum load capacity, the BYD Seal U performs clearly better – up to 1465 L, which is about 1193 L more than the Porsche Cayman.

When it comes to payload, BYD Seal U distinct takes the win – 410 kg compared to 281 kg. That’s a difference of about 129 kg.

Who comes out on top?

Overall, the BYD Seal U shows itself to be is largely superior and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

BYD Seal U
Porsche Cayman

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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from about £34,300
Seal U @ BYD Auto / BYD Global Media

BYD Seal U

  • Engine Type : Plugin Hybrid, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 218 - 324 HP
  • Consumption L/100km : 0.4 - 1.2 L
  • Consumption kWh/100km : 19.9 - 20.5 kWh
  • Electric Range : 70 - 500 km

BYD Seal U

5 (2 Reviews)
rate

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.

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Porsche Cayman

The Porsche Cayman stands out as a quintessential sports car, blending sleek design with dynamic handling. Its mid-engine layout provides an excellent balance and sharp agility that driving enthusiasts crave. Inside, the Cayman offers a refined and driver-focused interior, ensuring that every journey is an exhilarating experience.

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BYD Seal U
Porsche Cayman
Seal U @ BYD Auto / BYD Global Media

Costs and Consumption

Price
34300 - 39800 £
Price
136000 £
Consumption L/100km
0.4 - 1.2 L
Consumption L/100km
13 L
Consumption kWh/100km
19.9 - 20.5 kWh
Consumption kWh/100km
-
Electric Range
70 - 500 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
0 - 26 g/km
co2
295 g/km
Fuel tank capacity
60 L
Fuel tank capacity
54 L

Dimensions and Body

Body Type
SUV
Body Type
Coupe
Seats
5
Seats
2
Doors
5
Doors
2
Curb weight
1940 - 2147 kg
Curb weight
1490 kg
Trunk capacity
425 - 552 L
Trunk capacity
184 L
Length
4775 - 4785 mm
Length
4456 mm
Width
1890 mm
Width
1822 mm
Height
1668 - 1670 mm
Height
1267 mm
Max trunk capacity
1440 - 1465 L
Max trunk capacity
272 L
Payload
410 kg
Payload
281 kg

Engine and Performance

Engine Type
Plugin Hybrid, Electric
Engine Type
Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
CVT, Reduction Gearbox
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
218 - 324 HP
Power HP
500 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
3.40 s
Max Speed
170 - 180 km/h
Max Speed
315 km/h
Torque
300 - 550 Nm
Torque
450 Nm
Number of Cylinders
4
Number of Cylinders
6
Power kW
160 - 238 kW
Power kW
368 kW
Engine capacity
1497 - 1498 cm3
Engine capacity
3996 cm3

General

Model Year
2024
Model Year
2021
CO2 Efficiency Class
B, A
CO2 Efficiency Class
G
Brand
BYD
Brand
Porsche
What drive types are available for the BYD Seal U?

The BYD Seal U is available as Front-Wheel Drive or All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.