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BYD Dolphin vs XPeng P7+ comparison

Compare performance (204 HP vs 503 HP), boot space and price (29,700 £ vs 39,900 £ ) at a glance. Find out which car is the better choice for you – BYD Dolphin or XPeng P7+?

BYD Dolphin vs XPeng P7+: Key differences

BYD Dolphin

4 (4 Reviews)
rate
  • clearly cheaper
  • noticeably lighter
details

XPeng P7+

4.9 (1 Reviews)
rate
  • significantly more power
  • very slightly more efficient
  • slightly more electric range
  • considerably quicker 0–100 km/h
  • visibly more trunk space
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

Dolphin

Costs and Efficiency:

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

BYD Dolphin is clearly cheaper – starting at 29,700 £ , while the XPeng P7+ costs 39,900 £ . That’s a price difference of around 10,251 £.

In terms of energy consumption, the XPeng P7+ is very slightly more efficient: consuming 15.2 kWh/100km compared to 15.9 kWh/100km for the BYD Dolphin. That’s a difference of about 0.7 kWh/100km.

As for electric range, the XPeng P7+ offers slightly more range – reaching up to 530 km, about 103 km more than the BYD Dolphin.

P7+

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the XPeng P7+ offers significantly more power – delivering 503 HP compared to 204 HP. That’s roughly 299 HP more horsepower.

When accelerating from 0 to 100 km/h, the XPeng P7+ is considerably quicker – completing the sprint in 4.3 s, while the BYD Dolphin takes 7 s. That’s about 2.7 s quicker.

There’s also a difference in torque: the XPeng P7+ delivers considerably more torque with 670 Nm compared to 310 Nm. That’s about 360 Nm more.

Dolphin

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, BYD Dolphin is noticeably lighter – 1,658 kg compared to 1,999 kg. The difference is around 341 kg.

Looking at boot space, the XPeng P7+ offers visibly more boot space – 573 L compared to 345 L. That’s a difference of about 228 L.

When it comes to payload, the XPeng P7+ carries somewhat more – 486 kg compared to 410 kg. That’s a difference of about 76 kg.

Who wins the race in the data check?

The XPeng P7+ 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 £39,900
P7+

XPeng P7+

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 245 - 503 HP
  • Consumption kWh/100km 15.2 - 17.4 kWh/100km
  • Electric Range 455 - 530 km
BYD Dolphin
XPeng P7+

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

XPeng P7+

The XPeng P7+ is a sleek, coupe-like electric sedan that pairs a spacious, tech-forward cabin with an easygoing yet poised driving character — think premium feel without premium smugness. Packed with clever driver aids and a refined ride that earns the odd grin on twisty roads, it’s a compelling, modern alternative to the usual premium suspects.

details
BYD Dolphin
XPeng P7+

Costs and Consumption

Price
29,700 - 31,400 £
Price
39,900 - 45,900 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
15.9 kWh/100km
Consumption kWh/100km
15.2 - 17.4 kWh/100km
Electric Range
427 km
Electric Range
455 - 530 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,658 kg
Curb weight
1,999 - 2,200 kg
Trunk capacity
345 L
Trunk capacity
573 L
Length
-
Length
-
Width
1,770 mm
Width
1,937 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
485 - 486 kg

Engine and Performance

Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 HP
Power HP
245 - 503 HP
Acceleration 0-100km/h
7 s
Acceleration 0-100km/h
4.3 - 6.9 s
Max Speed
-
Max Speed
-
Torque
310 Nm
Torque
450 - 670 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
150 kW
Power kW
180 - 370 kW
Engine capacity
-
Engine capacity
-

General

Model Year
2023
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BYD
Brand
XPeng
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.