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BYD Sealion 7 vs XPeng G9 comparison

Compare performance (530 HP vs 575 HP), boot space and price (42,800 £ vs 51,100 £ ) at a glance. Find out which car is the better choice for you – BYD Sealion 7 or XPeng G9?

BYD Sealion 7 vs XPeng G9: Key differences

BYD Sealion 7

5 (2 Reviews)
rate
  • slightly cheaper
details

XPeng G9

4.8 (6 Reviews)
rate
  • very slightly more power
  • marginally more efficient
  • moderately more electric range
  • barely quicker 0–100 km/h
  • very slightly lighter
  • markedly more trunk space
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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

Sealion 7

Street Presence and Personality

The XPeng G9 and the BYD Sealion 7 arrive with distinct attitudes: one leans into futuristic poise with sharp surfaces and a coupé-esque silhouette, the other balances clean elegance with a quietly confident stance. Both catch attention in different ways—one for its showy gestures, the other for its restrained sophistication—so your choice will say more about taste than practicality. Either way, you’re getting a car that looks like it belongs in the modern electric era rather than a warmed-over combustion-era design.

G9

What They Feel Like Behind the Wheel

On the move, the two reveal different characters: one prioritizes composed stability and a planted feel, the other trades a touch of that firmness for a livelier, more engaging demeanor. Steering and suspension tuning give each a personality—calmer and more assured versus a bit sportier and more responsive—so test drives will quickly tell you which temperament suits your daily routes. Neither feels out of place in urban traffic or on open roads, but their on-road moods are noticeably different.

Sealion 7

Cabin Atmosphere and Comfort

Inside, both cabins aim to soothe, but they take different paths: one creates a serene, hotel-lobby calm with soft touches and generous space, while the other emphasizes a modern, cockpit-forward vibe with tactile controls and supportive seating. Materials and layout feel considered in both, though one may seem slightly more upscale to passengers at first glance while the other impresses with ergonomics and clever storage. Long hours behind the wheel feel manageable in either, but your back and senses will reveal the real winner on a multi-hour drive.

G9

Everyday Practicality and Family Use

Practicality here is less about headline figures and more about how the cars live with you: both offer sensible entry points, flexible load options and family-friendly ergonomics that make shopping trips and school runs straightforward. One excels if you habitually lug bulky gear or want a little extra breathing room, while the other wins points for clever packaging and second-row comfort that keeps passengers happy. Either way, these are usable vehicles for real life—not just showroom ornaments.

Sealion 7

Tech, Screens and Usability

The infotainment and assistance suites are rich on both cars, but the experience is about more than screen size—it's how intuitive the software feels and whether the physical controls are sensibly placed. One system leans into a more immersive, futuristic interface that rewards familiarity, while the other keeps interactions straightforward and quick to learn. Expect both to impress in connectivity and safety aids, though the daily pleasure comes from how smoothly the tech integrates into your routine.

G9

Charging, Running and Ownership Vibes

Beyond the showroom, ownership boils down to convenience and confidence: charging habits, dealer support and perceived reliability matter more than headline claims. One model gives a slightly more relaxed long-range feel that suits frequent travelers, while the other offers a compelling ownership package for city-centric buyers who value cost-conscious operation. Either choice promises modern electric ownership without the old anxieties of early EV days.

Who Should Drive Which?

If you’re a style-conscious driver who wants a forward-looking cabin and a composed road demeanor, one of these will likely speak to you; if your priorities tilt toward energetic steering, clever packaging and a budget-minded purchase, the other will make more sense. Commuters, families, and long-distance cruisers will all find reasons to smile in both, so pick according to temperament rather than headline claims. Read on — the DriveDuel Champion will be revealed afterwards.

Frequently compared as well

BYD Sealion 7
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VS
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Here’s where it gets real: The technical differences in detail

Sealion 7

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

BYD Sealion 7 is slightly cheaper – starting at 42,800 £ , while the XPeng G9 costs 51,100 £ . That’s a price difference of around 8,237 £.

In terms of energy consumption, the XPeng G9 is marginally more efficient: consuming 18.4 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 1.5 kWh/100km.

As for electric range, the XPeng G9 offers moderately more range – reaching up to 585 km, about 83 km more than the BYD Sealion 7.

G9

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 XPeng G9 offers very slightly more power – delivering 575 HP compared to 530 HP. That’s roughly 45 HP more horsepower.

When accelerating from 0 to 100 km/h, the XPeng G9 is barely quicker – completing the sprint in 4.2 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the XPeng G9 delivers only slightly more torque with 695 Nm compared to 690 Nm. That’s about 5 Nm more.

Sealion 7

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, XPeng G9 is very slightly lighter – 2,210 kg compared to 2,225 kg. The difference is around 15 kg.

Looking at boot space, the XPeng G9 offers markedly more boot space – 660 L compared to 520 L. That’s a difference of about 140 L.

When it comes to payload, the XPeng G9 carries noticeably more – 520 kg compared to 410 kg. That’s a difference of about 110 kg.

Who wins the race in the data check?

The XPeng G9 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 £51,100
G9

XPeng G9

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 351 - 575 HP
  • Consumption kWh/100km : 18.4 - 20.1 kWh/100km
  • Electric Range : 502 - 585 km
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BYD Sealion 7
XPeng G9

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BYD Sealion 7

The BYD Sealion 7 is a sleek electric wagon that blends sporty styling with surprising practicality, making it a compelling choice for drivers who want something different from the usual hatchback or SUV. Its refined interior and composed road manners give it an upscale feel, while clever packaging keeps it versatile for daily use.

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Reviews BYD Sealion 7

5 (2 Reviews)
rate
oriol
27 Feb 2026, 15:33:27

range that I can always charge to 100% — unlike other brands that told me it was recommended to stop at 80%, which consequently cut my real range from 600 to 480 by not being able to charge to 100%. I think that's something people should know.

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

XPeng G9

The XPeng G9 is a spacious, tech-forward electric SUV that pairs a calm, refined ride with responsive performance and a high-quality, minimalist cabin. With strong emphasis on connectivity and advanced driving assistance, it’s a compelling choice if you want modern EV features and generous practicality without a legacy badge.

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Reviews XPeng G9

4.8 (6 Reviews)
rate
Kiano Wotler
29 May 2026, 17:22:07

Very nice smooth riding car

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
Oski
11 May 2026, 19:15:12

I drove the Mercedes EQS and the Xpeng G9 Performance. The Xpeng is an ultra-modern, voice-controlled car with excellent build quality, a superior sound system and air suspension. I now understand why VW invested €700 million to buy a 5% stake in Xpeng. VW cars in China now run on Xpeng technology.

How do you mainly use this car? (optional): Company car / Business
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Rob
1 Jan 2026, 18:43:08

I've seen and driven both cars. The XPeng 9 makes more of an impression. The Zeekr 7x's interior color is limited to black — a real shame! For a nicer contrast you'll have to have it wrapped in a different color. But that's a matter of taste! Otherwise the cars are comparable, noting that the XPeng is a proper SUV while the Zeekr 7x is a crossover.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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The Toyota bZ4X feels like a reliably mellow electric SUV — conservative styling, predictable handling and Toyota-level build confidence for buyers who want fuss-free ownership. The BYD Sealion 7, by contrast, punches above its price with slick tech, impressive range and a sportier edge, making it …
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XPeng G9

Costs and Consumption
Price
42,800 - 52,300 £
Price
51,100 - 62,200 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Consumption kWh/100km
18.4 - 20.1 kWh/100km
Electric Range
456 - 502 km
Electric Range
502 - 585 km
Battery Capacity
-
Battery Capacity
-
co2
0 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
2,225 - 2,435 kg
Curb weight
2,210 - 2,395 kg
Trunk capacity
520 L
Trunk capacity
660 L
Length
-
Length
-
Width
1,925 mm
Width
1,937 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
410 kg
Payload
515 - 520 kg

Engine and Performance
Engine Type
Electric
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
313 - 530 HP
Power HP
351 - 575 HP
Acceleration 0-100km/h
4.5 - 6.7 s
Acceleration 0-100km/h
4.2 - 6.6 s
Max Speed
-
Max Speed
-
Torque
380 - 690 Nm
Torque
465 - 695 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
230 - 390 kW
Power kW
258 - 423 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2024
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BYD
Brand
XPeng
What drivetrain options does the BYD Sealion 7 have?

The BYD Sealion 7 is offered with Rear-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.