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Mazda 6 Saloon vs MG MG4 comparison

Compare performance (258 HP vs 435 HP), boot space and price (38,500 £ vs 36,800 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Saloon or MG MG4?

Mazda 6 Saloon vs MG MG4: Key differences

Mazda 6 Saloon

  • very slightly more electric range
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MG MG4

4.8 (3 Reviews)
rate
  • marginally cheaper
  • substantially more power
  • barely more efficient
  • considerably quicker 0–100 km/h
  • slightly lighter
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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.

MG MG4 is marginally cheaper – starting at 36,800 £ , while the Mazda 6 Saloon costs 38,500 £ . That’s a price difference of around 1,637 £.

In terms of energy consumption, the MG MG4 is barely more efficient: consuming 16.1 kWh/100km compared to 16.5 kWh/100km for the Mazda 6 Saloon. That’s a difference of about 0.4 kWh/100km.

As for electric range, the Mazda 6 Saloon offers very slightly more range – reaching up to 552 km, about 7 km more than the MG MG4.

MG4

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 MG MG4 offers substantially more power – delivering 435 HP compared to 258 HP. That’s roughly 177 HP more horsepower.

When accelerating from 0 to 100 km/h, the MG MG4 is considerably quicker – completing the sprint in 3.8 s, while the Mazda 6 Saloon takes 7.6 s. That’s about 3.8 s quicker.

There’s also a difference in torque: the MG MG4 delivers clearly more torque with 600 Nm compared to 320 Nm. That’s about 280 Nm more.

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, MG MG4 is slightly lighter – 1,755 kg compared to 2,027 kg. The difference is around 272 kg.

When it comes to payload, the MG MG4 carries somewhat more – 448 kg compared to 360 kg. That’s a difference of about 88 kg.

Who wins the race in the data check?

The MG MG4 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 £36,800
MG4

MG MG4

  • Engine Type Electric
  • Transmission Automatic
  • Drive Type Rear-Wheel Drive, All-Wheel Drive
  • Power HP 190 - 435 HP
  • Consumption kWh/100km 16.1 - 19 kWh/100km
  • Electric Range 405 - 545 km
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Frequently compared as well

MG MG4
BYD Atto 2
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MG MG4
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Mazda 6 Saloon
MG MG4

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.

MG MG4

The MG4 is a sprightly electric hatch that marries bold, modern looks with genuinely useful practicality, making it a great everyday companion for city and weekend life alike. Inside it surprises with a smart, user-friendly cabin and an engaging drive that delivers more personality than you might expect for the price.

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MG.028.STUDIO
MG.036.STUDIO
MG.038_0.STUDIO

Reviews MG MG4

4.8 (3 Reviews)
rate
TOTO
20 May 2026, 11:19:27

The MG4 seems more versatile to me than the Dolphin, which relies mainly on design. The MG4 has proven itself and remains an excellent used option with low mileage.

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
Angio
12 Jan 2026, 12:26:30

Superb

How do you mainly use this car? (optional): City / Short distance
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Sal
23 Oct 2025, 20:41:36

I tried it today and found the car genuinely pleasant and comfortable to drive.

Frequently compared as well

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MG MG4
Leapmotor B05
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Choosing between the MG4 and the Leapmotor B05 comes down to whether you prefer the MG4’s European-influenced practicality or the B05’s tech-forward value proposition. I’ll compare range, performance, interior quality and running costs so you can see which one fits your needs.
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BYD Dolphin Surf
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Mazda 6 Saloon
MG MG4

Costs and Consumption
Price
38,500 - 41,600 £
Price
36,800 - 40,300 £
Consumption L/100km
-
Consumption L/100km
-
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Consumption kWh/100km
16.1 - 19 kWh/100km
Electric Range
479 - 552 km
Electric Range
405 - 545 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
Hatchback
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
2,027 - 2,028 kg
Curb weight
1,755 - 1,810 kg
Trunk capacity
336 L
Trunk capacity
-
Length
4,921 mm
Length
-
Width
1,890 mm
Width
1,836 mm
Height
1,491 mm
Height
-
Max trunk capacity
1,074 L
Max trunk capacity
-
Payload
359 - 360 kg
Payload
448 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
190 - 435 HP
Acceleration 0-100km/h
7.6 - 7.8 s
Acceleration 0-100km/h
3.8 - 7.5 s
Max Speed
175 km/h
Max Speed
-
Torque
320 Nm
Torque
350 - 600 Nm
Number of Cylinders
-
Number of Cylinders
-
Power kW
180 - 190 kW
Power kW
140 - 320 kW
Engine capacity
-
Engine capacity
-

General
Model Year
2025
Model Year
2026
CO2 Efficiency Class
A
CO2 Efficiency Class
A
Brand
Mazda
Brand
MG
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.