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Mazda 6 Saloon vs BYD Sealion 7 comparison

Compare performance (258 HP vs 530 HP), boot space and price (38,500 £ vs 42,800 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Saloon or BYD Sealion 7?

Mazda 6 Saloon vs BYD Sealion 7: Key differences

Mazda 6 Saloon

  • a bit cheaper
  • markedly more efficient
  • very slightly more electric range
  • very slightly lighter
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BYD Sealion 7

5 (2 Reviews)
rate
  • significantly more power
  • substantially quicker 0–100 km/h
  • visibly 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

6 Saloon

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.

Mazda 6 Saloon is a bit cheaper – starting at 38,500 £ , while the BYD Sealion 7 costs 42,800 £ . That’s a price difference of around 4,363 £.

In terms of energy consumption, the Mazda 6 Saloon is markedly more efficient: consuming 16.5 kWh/100km compared to 19.9 kWh/100km for the BYD Sealion 7. That’s a difference of about 3.4 kWh/100km.

As for electric range, the Mazda 6 Saloon offers very slightly more range – reaching up to 552 km, about 50 km more than the BYD Sealion 7.

Sealion 7

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 BYD Sealion 7 offers significantly more power – delivering 530 HP compared to 258 HP. That’s roughly 272 HP more horsepower.

When accelerating from 0 to 100 km/h, the BYD Sealion 7 is substantially quicker – completing the sprint in 4.5 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 3.1 s quicker.

There’s also a difference in torque: the BYD Sealion 7 delivers clearly more torque with 690 Nm compared to 320 Nm. That’s about 370 Nm more.

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, Mazda 6 Saloon is very slightly lighter – 2,027 kg compared to 2,225 kg. The difference is around 198 kg.

Looking at boot space, the BYD Sealion 7 offers visibly more boot space – 520 L compared to 336 L. That’s a difference of about 184 L.

When it comes to payload, the BYD Sealion 7 carries a bit more – 410 kg compared to 360 kg. That’s a difference of about 50 kg.

Who wins the race in the data check?

The BYD Sealion 7 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.

from £42,800
Sealion 7

BYD Sealion 7

  • Engine Type : Electric
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 313 - 530 HP
  • Consumption kWh/100km : 19.9 - 21.9 kWh/100km
  • Electric Range : 456 - 502 km
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Frequently compared as well

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BYD Sealion 7
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Mazda 6 Saloon
BYD Sealion 7

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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Reviews Mazda 6 Saloon

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

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

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The XPeng G6 and BYD Sealion 7 are two leading Chinese electric models that pair advanced technology and competitive range with distinct design and driving philosophies. This head‑to‑head compares range, performance, interior tech and ownership costs to help you choose the better fit for your needs.
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Mazda 6 Saloon
BYD Sealion 7

Costs and Consumption
Price
38,500 - 41,600 £
Price
42,800 - 52,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Consumption kWh/100km
19.9 - 21.9 kWh/100km
Electric Range
479 - 552 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
Sedan
Body Type
SUV
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,027 - 2,028 kg
Curb weight
2,225 - 2,435 kg
Trunk capacity
336 L
Trunk capacity
520 L
Length
4,921 mm
Length
-
Width
1,890 mm
Width
1,925 mm
Height
1,491 mm
Height
-
Max trunk capacity
1,074 L
Max trunk capacity
-
Payload
359 - 360 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
Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
245 - 258 HP
Power HP
313 - 530 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
4.5 - 6.7 s
Max Speed
175 km/h
Max Speed
-
Torque
320 Nm
Torque
380 - 690 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
180 - 190 kW
Power kW
230 - 390 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2024
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mazda
Brand
BYD
What drive types are available for the Mazda 6 Saloon?

The Mazda 6 Saloon is available as Rear-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.