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Mazda 3 Hatchback vs MG MG3 comparison

Compare performance (186 HP vs 194 HP), boot space and price (24,500 £ vs 15,400 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Hatchback or MG MG3?

Mazda 3 Hatchback vs MG MG3: Key differences

Mazda 3 Hatchback

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MG MG3

5 (1 Reviews)
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  • considerably cheaper
  • only slightly more power
  • clearly more efficient
  • 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

3 Hatchback

Driving Dynamics Unleashed: Mazda 3 Hatchback vs. MG3

When it comes to hatchbacks, two models are making waves in the automotive world—the Mazda 3 Hatchback and the MG3. Both are offering unique blends of power, efficiency, and style, which make them stand out in a competitive market. Whether you're a tech enthusiast or someone who craves a great driving experience, you'll find much to appreciate in this comparison.

MG3

Power and Performance: A Head-to-Head Comparison

The Mazda 3 Hatchback is equipped with a choice of engines, boasting between 140 to 186 horsepower and a torque range of 238 to 240 Nm. This model offers both manual and automatic transmissions, enhancing its appeal to a diverse range of drivers. It's agile enough to accelerate from 0 to 100 km/h in as little as 8 seconds, with a top speed capping at 216 km/h, making it an exciting choice for speed enthusiasts.

The MG3, on the other hand, offers a blend of power with its full hybrid and petrol options, delivering up to 194 horsepower. It matches the Mazda 3 Hatchback in acceleration prowess with its 0 to 100 km/h clocked in at an impressive 8 seconds, although it tops out at a lower speed of 170 km/h. The MG3's performance is also commendable, particularly when you're conscious of fuel consumption and CO2 emissions.

3 Hatchback

Efficiency and Environmental Impact

Fuel efficiency is a crucial consideration for modern drivers, and both models excel in this realm. The Mazda 3 boasts a fuel consumption rate varying from 5.6 to 6.5 L/100 km depending on the configuration, coupled with CO2 emissions ranging from 126 to 146 g/km, slotting into efficiency classes D or E.

The MG3 steps up the game with a hybrid option offering a minimal consumption rate of just 4.4 L/100 km and 6.1 L/100 km for its petrol version. Its CO2 emissions are significantly efficient at 100 g/km for the hybrid, placing it in a better CO2 efficiency class of C.

MG3

Design and Practicality: Which Hatch Has the Edge?

In terms of dimensions, the Mazda 3 Hatchback stretches to 4460 mm in length, offering a trunk capacity of 351 liters, and a robust curb weight range from 1419 to 1549 kg. Its design speaks to those who desire spaciousness and refined elegance.

The MG3, slightly more compact at 4113 mm in length, fits the bill for urban dwellers looking for maneuverability, with a curb weight of 1285 kg and trunk capacity of 293 liters. Its elevated height of 1502 mm provides more headspace, enhancing comfort for longer journeys.

3 Hatchback

Final Verdict: Which Hatchback Suits You?

Choosing between the Mazda 3 Hatchback and the MG3 might come down to personal preference and specific needs. If you desire a spirited driving experience with a bit more room and flexibility in drivetrain options, the Mazda 3 could be your perfect match.

Conversely, the MG3 might appeal if you prioritize fuel efficiency and modern environmental considerations, particularly with its hybrid offerings. It's compact yet efficient, perfect for city commutes and eco-conscious drivers.

In summary, both models offer compelling features, making either a viable choice for the discerning driver—but your specific needs and lifestyle will determine the ultimate winner.

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

3 Hatchback

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

MG MG3 is considerably cheaper – starting at 15,400 £ , while the Mazda 3 Hatchback costs 24,500 £ . That’s a price difference of around 9,128 £.

Fuel consumption also shows a difference: the MG MG3 uses 4.4 L/100km and is clearly more efficient than the Mazda 3 Hatchback with 5.6 L/100km. The difference is about 1.2 L/100km.

MG3

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 MG MG3 offers only slightly more power – delivering 194 HP compared to 186 HP. That’s roughly 8 HP more horsepower.

Both models accelerate almost equally fast – 8 s from 0 to 100 km/h.

There’s also a difference in torque: the Mazda 3 Hatchback delivers visibly more torque with 240 Nm compared to 148 Nm. That’s about 92 Nm more.

3 Hatchback

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, MG MG3 is slightly lighter – 1,237 kg compared to 1,419 kg. The difference is around 182 kg.

When it comes to payload, the Mazda 3 Hatchback carries only slightly more – 485 kg compared to 448 kg. That’s a difference of about 37 kg.

Who wins the race in the data check?

The MG MG3 stands out in the key areas 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 £15,400
MG3

MG MG3

  • Engine Type : Petrol, Full Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 116 - 194 HP
  • Consumption L/100km : 4.4 - 6.1 L/100km
Mazda 3 Hatchback
MG MG3

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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Mazda 3 Hatchback

The Mazda 3 hatchback blends elegant design with a surprisingly sporty drive, giving a cabin that feels more upscale than you’d expect for the segment. Practical enough for everyday life yet eager to entertain behind the wheel, it’s a smart, good-humored choice that makes even grocery runs feel like a mini escape.

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MG MG3

The MG3 is a cheeky city hatch that pairs bold, youthful styling with sprightly handling for drivers who want personality on a budget. Its cabin is bright and cleverly packaged, offering sensible space and a fun-to-drive character that turns mundane commutes into something a bit more enjoyable.

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Mazda 3 Hatchback
MG MG3

Costs and Consumption

Price
24,500 - 35,500 £
Price
15,400 - 21,400 £
Consumption L/100km
5.6 - 6.5 L/100km
Consumption L/100km
4.4 - 6.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
126 - 146 g/km
co2
100 - 137 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Hatchback
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,419 - 1,549 kg
Curb weight
1,237 - 1,285 kg
Trunk capacity
351 L
Trunk capacity
-
Length
-
Length
-
Width
1,795 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
470 - 485 kg
Payload
373 - 448 kg

Engine and Performance

Engine Type
Petrol MHEV
Engine Type
Petrol, Full Hybrid
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
140 - 186 HP
Power HP
116 - 194 HP
Acceleration 0-100km/h
8 - 9.8 s
Acceleration 0-100km/h
8 - 10.8 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
148 Nm
Number of Cylinders
4
Number of Cylinders
4
Power kW
103 - 137 kW
Power kW
85 - 143 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
1,490 - 1,495 cm3

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
D, E
CO2 Efficiency Class
E, C
Brand
Mazda
Brand
MG
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.