VS

BYD Atto 3 vs BYD Sealion 7 comparison

Compare performance (449 HP vs 530 HP), boot space and price (33,400 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – BYD Atto 3 or BYD Sealion 7?

BYD Atto 3 vs BYD Sealion 7: Key differences

BYD Atto 3

5 (2 Reviews)
rate
  • markedly cheaper
  • visibly more efficient
  • barely more electric range
  • somewhat quicker 0–100 km/h
  • noticeably lighter

BYD Sealion 7

5 (2 Reviews)
rate
  • slightly more power
  • somewhat more trunk space

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

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

Atto 3

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 Atto 3 is markedly cheaper – starting at 33,400 £ , while the BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 9,428 £.

In terms of energy consumption, the BYD Atto 3 is visibly more efficient: consuming 16 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 3.9 kWh/100km.

As for electric range, the BYD Atto 3 offers barely more range – reaching up to 510 km, about 8 km more than the BYD Sealion 7.

Sealion 7

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 BYD Sealion 7 offers slightly more power – delivering 530 HP compared to 449 HP. That’s roughly 81 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Atto 3 is somewhat quicker – completing the sprint in 3.9 s, while the BYD Sealion 7 takes 4.5 s. That’s about 0.6 s quicker.

There’s also a difference in torque: the BYD Sealion 7 delivers moderately more torque with 690 Nm compared to 560 Nm. That’s about 130 Nm more.

Atto 3

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 Atto 3 is noticeably lighter – 1,825 kg compared to 2,225 kg. The difference is around 400 kg.

Looking at boot space, the BYD Sealion 7 offers somewhat more boot space – 520 L compared to 440 L. That’s a difference of about 80 L.

When it comes to payload, the BYD Sealion 7 carries moderately more – 410 kg compared to 335 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The BYD Atto 3 holds a slight edge 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 £33,400
Atto 3

BYD Atto 3

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 204 - 449 HP
  • Consumption kWh/100km : 16 kWh/100km
  • Electric Range : 420 - 510 km
details

Frequently compared as well

BYD Atto 3
BYD Atto 2
VS
In the battle of BYD's innovative electric vehicles, the Atto 3 emerges as a more advanced contender compared to the Atto 2. With its sleek design, improved range, and enhanced technology features, the Atto 3 not only offers better performance but also caters to the growing demand for eco-friendly …
BYD Sealion 7
ZEEKR 7X
VS
The BYD Sealion 7 plays the value card with clever packaging, generous range claims and soft-riding manners, while the ZEEKR 7X feels like the sharper, tech-forward alternative that’s happier chasing pace and premium detailing. If you want an everyday EV that stretches your money on range and …
BYD Atto 3
BYD Sealion 7

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 mixes quirky crossover styling with a cleverly packaged interior that feels more premium than its price suggests. Easy to drive, surprisingly practical and loaded with user-friendly tech, it's a strong choice for buyers who want an EV that's fun without being fussy.

details
5F27650C-A457-4BA8-ABBF-B0A381081F50
4CD0D607-8DF0-480E-92A0-FFE2DD0C2A7D
A4BCEC5F-F54A-4C81-8C3B-2C7767DF6D72
E96AFF07-FF39-4455-88FE-E60F4D607FE6
AD877C78-5875-44DA-B1B6-1E99A05AC058

Reviews BYD Atto 3

5 (2 Reviews)
rate

No reviews yet. Share your experience and help others decide.

BYD Sealion 7

The Sealion 7 captivates with its striking design and impressive performance that appeals to both enthusiasts and casual drivers alike. With a focus on comfort and advanced technology, this model redefines the driving experience, making every journey enjoyable. Its sleek silhouette coupled with an innovative interior showcases the perfect blend of style and functionality.

details
img-0696
byd-sealion-7-17
byd-sealion-7-12

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

Frequently compared as well

BYD Seal U
BYD Sealion 7
VS
The BYD Seal U brings crossover practicality and a higher driving position for buyers after everyday versatility, while the sleeker BYD Sealion 7 swaps that raised stance for a lower, sportier profile and crisper road manners. Choose the Seal U for family-friendly space and comfort, or the Sealion …
BYD Tang
BYD Sealion 7
VS
The BYD Tang wears its SUV badge proudly — big, bold and businesslike, with a roomy cabin, high driving position and enough tech to turn family road trips into comfortable command missions. The BYD Sealion 7 is the sleeker, more carlike alternative, trading some bulk for sharper handling, better …
BYD Sealion 7
Kia EV5
VS
The BYD Sealion 7 goes head-to-head with the Kia EV5 in a neat showdown between bold, feature-packed value and polished, dependable practicality. Which should you park in your garage — BYD’s tech-heavy challenger promising big range for the money, or Kia’s composed EV5 that prefers refinement and …
Skoda Enyaq
BYD Sealion 7
VS
Skoda Enyaq is the sensible, family-friendly EV — roomy, comfortably composed and refreshingly free of gimmicks, the sort of car that quietly makes everyday life easier. BYD Sealion 7, by contrast, trades conservatism for style and tech, offering punchy electric performance and impressive value …
Toyota bZ4X
BYD Sealion 7
VS
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 …
BYD Atto 3
BYD Seal U
VS
If you want a friendly, practical EV that looks like it drinks coffee in a hipster cafe and carries everything from groceries to weekend bikes, the BYD Atto 3 is the sensible, value-packed choice. The BYD Seal U, by contrast, dresses up the electric experience with sleeker lines, sharper handling …
XPeng G6
BYD Sealion 7
VS
In the competitive landscape of electric vehicles, the XPeng G6 and BYD Sealion 7 stand out for their innovative features and striking designs. The XPeng G6 impresses with its advanced tech integration and spacious interior, appealing to tech-savvy consumers, while the BYD Sealion 7 showcases …
BYD Sealion 7
BYD Seal 6
VS
BYD Sealion 7 and BYD Seal 6 go head-to-head: compare performance, space, features and price in one quick overview to see which model suits your daily driving, budget and lifestyle better. A clear, side-by-side look helps you make the smarter choice.
BYD Atto 3
BYD Sealion 7

Costs and Consumption
Price
33,400 - 43,700 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16 kWh/100km
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
420 - 510 km
Electric Range
456 - 502 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
5
Doors
-
Curb weight
1,825 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
440 L
Trunk capacity
520 L
Length
4,455 mm
Length
-
Width
1,875 mm
Width
1,925 mm
Height
1,615 mm
Height
-
Max trunk capacity
1,338 L
Max trunk capacity
-
Payload
335 kg
Payload
410 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, Rear-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
204 - 449 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
3.9 - 7.3 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
160 km/h
Max Speed
-
Torque
310 - 560 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
150 - 330 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2,023 - 2,026
Model Year
2,024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
BYD
Brand
BYD
Is the BYD Atto 3 offered with different drivetrains?

The BYD Atto 3 is offered with Front-Wheel Drive, 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.