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BYD Atto 3 vs XPeng G9 comparison

Compare performance (449 HP vs 575 HP), boot space and price (38,600 £ vs 51,100 £ ) at a glance. Find out which car is the better choice for you – BYD Atto 3 or XPeng G9?

BYD Atto 3 vs XPeng G9: Key differences

BYD Atto 3

4.1 (7 Reviews)
rate
  • visibly cheaper
  • slightly more efficient
  • only slightly quicker 0–100 km/h
  • slightly lighter
details

XPeng G9

4.8 (7 Reviews)
rate
  • noticeably more power
  • a bit more electric range
  • clearly 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

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

Atto 3

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

BYD Atto 3 is visibly cheaper – starting at 38,600 £ , while the XPeng G9 costs 51,100 £ . That’s a price difference of around 12,523 £.

In terms of energy consumption, the BYD Atto 3 is slightly more efficient: consuming 16.4 kWh/100km compared to 18.4 kWh/100km for the XPeng G9. That’s a difference of about 2 kWh/100km.

As for electric range, the XPeng G9 offers a bit more range – reaching up to 585 km, about 75 km more than the BYD Atto 3.

G9

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 XPeng G9 offers noticeably more power – delivering 575 HP compared to 449 HP. That’s roughly 126 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Atto 3 is only slightly quicker – completing the sprint in 3.9 s, while the XPeng G9 takes 4.2 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the XPeng G9 delivers moderately more torque with 695 Nm compared to 560 Nm. That’s about 135 Nm more.

Atto 3

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, BYD Atto 3 is slightly lighter – 1,880 kg compared to 2,210 kg. The difference is around 330 kg.

Looking at boot space, the XPeng G9 offers clearly more boot space – 660 L compared to 490 L. That’s a difference of about 170 L.

When it comes to payload, the BYD Atto 3 carries marginally more – 530 kg compared to 520 kg. That’s a difference of about 10 kg.

Who wins the race in the data check?

The XPeng G9 comes out modestly ahead 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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Frequently compared as well

XPeng G9
ZEEKR 7X
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The XPeng G9 and Zeekr 7X are two high-end electric SUVs from Chinese brands that compete on range, tech and comfort while aiming to deliver strong performance. This comparison focuses on real-world range, charging speed, driving dynamics, interior quality and ownership costs to help you decide …
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BYD Atto 3
XPeng G9

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

BYD Atto 3

The BYD Atto 3 is an electric crossover that blends a distinctive, modern design with a comfortable, well-equipped cabin suited to everyday family use. It offers a relaxed, smooth driving feel and practical running costs, making it a sensible choice if you want an uncomplicated, value-focused EV.

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4CD0D607-8DF0-480E-92A0-FFE2DD0C2A7D
A4BCEC5F-F54A-4C81-8C3B-2C7767DF6D72
E96AFF07-FF39-4455-88FE-E60F4D607FE6
AD877C78-5875-44DA-B1B6-1E99A05AC058

Reviews BYD Atto 3

4.1 (7 Reviews)
rate
Marinos manolessos
21 Jun 2026, 19:22:18

More quicker better price better equipped rwd move

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
BERNARD
17 Apr 2026, 12:36:55

It seems to better meet my expectations when it comes to fuel economy and overall efficiency.

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

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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IMG_0234
IMG_0233

Reviews XPeng G9

4.8 (7 Reviews)
rate
Walter
19 Jun 2026, 02:29:05

G9 Performance — currently the best electric car, with outstanding software and driving comfort. It stands up to any comparison with top models from Mercedes, BMW and Audi. Seven-year warranty and automatic updates.

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
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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BYD Atto 3
XPeng G9

Costs and Consumption
Price
38,600 - 43,700 £
Price
51,100 - 62,200 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.4 - 17.8 kWh/100km
Consumption kWh/100km
18.4 - 20.1 kWh/100km
Electric Range
470 - 510 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
1,880 - 1,990 kg
Curb weight
2,210 - 2,395 kg
Trunk capacity
490 L
Trunk capacity
660 L
Length
-
Length
-
Width
1,875 mm
Width
1,937 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
530 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 - 449 HP
Power HP
351 - 575 HP
Acceleration 0-100km/h
3.9 - 5.5 s
Acceleration 0-100km/h
4.2 - 6.6 s
Max Speed
-
Max Speed
-
Torque
380 - 560 Nm
Torque
465 - 695 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
230 - 330 kW
Power kW
258 - 423 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BYD
Brand
XPeng
Is the BYD Atto 3 offered with different drivetrains?

The BYD Atto 3 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.