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BYD Seal U vs Porsche Cayenne - Differences and prices compared

Compare performance (324 HP vs 1156 HP), boot space and price (34300 £ vs 87000 £ ) at a glance. Find out which car is the better choice for you – BYD Seal U or Porsche Cayenne?

BYD Seal U

5 (2 Reviews)
rate

Porsche Cayenne

1.9 (1 Reviews)
rate

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

Seal U

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 Cayenne costs 87000 £ . That’s a price difference of around 52723 £.

Fuel consumption also shows a difference: BYD Seal U manages with 0.40 L and is therefore significantly more efficient than the Porsche Cayenne with 4 L. The difference is about 3.60 L per 100 km.

In terms of energy consumption, the advantage goes to the Porsche Cayenne: with 19.70 kWh per 100 km, it’s slight more efficient than the BYD Seal U with 19.90 kWh. That’s a difference of about 0.20 kWh.

As for electric range, the Porsche Cayenne performs evident better – achieving up to 642 km, about 142 km more than the BYD Seal U.

Cayenne

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 Porsche Cayenne has a significantly edge – offering 1156 HP compared to 324 HP. That’s roughly 832 HP more horsepower.

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

In terms of top speed, the Porsche Cayenne performs convincingly better – reaching 305 km/h, while the BYD Seal U tops out at 180 km/h. The difference is around 125 km/h.

There’s also a difference in torque: Porsche Cayenne pulls decisively stronger with 1500 Nm compared to 550 Nm. That’s about 950 Nm difference.

Seal U

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 curb weight, BYD Seal U is minimal lighter – 1940 kg compared to 2130 kg. The difference is around 190 kg.

In terms of boot space, the Porsche Cayenne offers evident more room – 781 L compared to 552 L. That’s a difference of about 229 L.

In maximum load capacity, the Porsche Cayenne performs a bit better – up to 1708 L, which is about 243 L more than the BYD Seal U.

When it comes to payload, Porsche Cayenne decisively takes the win – 705 kg compared to 410 kg. That’s a difference of about 295 kg.

Who wins the race in the data check?

The BYD Seal U holds a decisive overall lead 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.

BYD Seal U
Porsche Cayenne

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis
from about £34,300
Seal U

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.

details

Porsche Cayenne

1.9 (1 Reviews)
rate

Few SUVs blend athletic poise and Teutonic precision like the Porsche Cayenne, putting genuine sports‑car feeling into a roomy, everyday package. If you want a practical family hauler that still makes you grin every time you merge, the Cayenne delivers — turning errands into an excuse for a spirited drive.

details
BYD Seal U
Porsche Cayenne

Costs and Consumption

Price
34300 - 39800 £
Price
87000 - 186400 £
Consumption L/100km
0.4 - 1.2 L
Consumption L/100km
4 - 12.2 L
Consumption kWh/100km
19.9 - 20.5 kWh
Consumption kWh/100km
19.7 - 20.6 kWh
Electric Range
70 - 500 km
Electric Range
74 - 642 km
Battery Capacity
-
Battery Capacity
21.80 kWh
co2
0 - 26 g/km
co2
0 - 277 g/km
Fuel tank capacity
60 L
Fuel tank capacity
70 - 90 L

Dimensions and Body

Body Type
SUV
Body Type
SUV
Seats
5
Seats
4 - 5
Doors
5
Doors
5
Curb weight
1940 - 2147 kg
Curb weight
2130 - 2720 kg
Trunk capacity
425 - 552 L
Trunk capacity
434 - 781 L
Length
4775 - 4785 mm
Length
4930 mm
Width
1890 mm
Width
1980 - 1989 mm
Height
1668 - 1670 mm
Height
1652 - 1698 mm
Max trunk capacity
1440 - 1465 L
Max trunk capacity
1344 - 1708 L
Payload
410 kg
Payload
365 - 705 kg

Engine and Performance

Engine Type
Plugin Hybrid, Electric
Engine Type
Petrol, Plugin Hybrid, Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
CVT, Reduction Gearbox
Transmission Detail
Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
218 - 324 HP
Power HP
353 - 1156 HP
Acceleration 0-100km/h
5.9 - 9.6 s
Acceleration 0-100km/h
2.5 - 6 s
Max Speed
170 - 180 km/h
Max Speed
248 - 305 km/h
Torque
300 - 550 Nm
Torque
500 - 1500 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
160 - 238 kW
Power kW
260 - 850 kW
Engine capacity
1497 - 1498 cm3
Engine capacity
2995 - 3996 cm3

General

Model Year
2024
Model Year
2025 - 2026
CO2 Efficiency Class
B, A
CO2 Efficiency Class
G, B, C, A
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 shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.