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Mazda CX-30 vs MG MG3 comparison

Compare performance (186 HP vs 194 HP), boot space and price (25,700 £ vs 15,400 £ ) at a glance. Find out which car is the better choice for you – Mazda CX-30 or MG MG3?

Mazda CX-30 vs MG MG3: Key differences

Mazda CX-30

4.5 (9 Reviews)
rate
  • clearly more trunk space
details

MG MG3

5 (1 Reviews)
rate
  • considerably cheaper
  • only slightly more power
  • markedly more efficient
  • barely quicker 0–100 km/h
  • a bit lighter
details

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

CX-30

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 CX-30 costs 25,700 £ . That’s a price difference of around 10,285 £.

Fuel consumption also shows a difference: the MG MG3 uses 4.4 L/100km and is markedly more efficient than the Mazda CX-30 with 5.7 L/100km. The difference is about 1.3 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.

When accelerating from 0 to 100 km/h, the MG MG3 is barely quicker – completing the sprint in 8 s, while the Mazda CX-30 takes 8.3 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Mazda CX-30 delivers markedly more torque with 240 Nm compared to 148 Nm. That’s about 92 Nm more.

CX-30

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 MG3 is a bit lighter – 1,237 kg compared to 1,455 kg. The difference is around 218 kg.

Looking at boot space, the Mazda CX-30 offers clearly more boot space – 430 L compared to 293 L. That’s a difference of about 137 L.

When it comes to payload, the Mazda CX-30 carries marginally more – 496 kg compared to 448 kg. That’s a difference of about 48 kg.

Who wins the race in the data check?

The MG MG3 is slightly 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 £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
details

Frequently compared as well

Mazda CX-30
Suzuki S-Cross
VS
If you want a small SUV that actually feels like a car, the Mazda CX‑30 wins hearts with taut handling, upscale interior materials and a sharper, more rewarding drive. The Suzuki S‑Cross is the sensible sibling — roomier, cheaper to run and easier on the wallet, making it the smarter pick for …
Citroen C3
MG MG3
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Comparing the Citroën C3 and the MG3 puts two budget-friendly city hatchbacks head-to-head: the C3 leans toward comfort, distinctive styling and a refined ride, while the MG3 focuses on low cost, generous interior space and straightforward practicality. If you value a plush, design-led small car go …
Mazda CX-30
MG MG3

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda CX-30

The Mazda CX-30 blends Mazda’s upscale styling with a compact crossover body, offering a refined interior and engaging driving dynamics. It’s a practical choice for buyers who want a premium feel and agile handling in a city-friendly package.

details
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2022_mazda_cx-30_src_spain_act_42
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Reviews Mazda CX-30

4.5 (9 Reviews)
rate
Jarek
4 Jun 2026, 09:16:53

The pleasure of driving and everything we call premium sensations.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Danny
31 May 2026, 17:14:00

Nice luxury car, although I'm not sure I find the oversized rims that attractive. On the other hand, I like the Mazda 3 better.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Practicality / Trunk & Everyday Use
Value for Money
Paul
27 May 2026, 05:17:55

Better soundproofed, more powerful, and feels more like a continuation of my hands and feet when driving — in other words, you feel like a single unit during the driving experience — but cramped for me at 6 ft 1 in to get in and out…

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
Michele
8 May 2026, 17:46:44

Quiet; well finished, predominantly analog dashboard; excellent value for money

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
Rafa
25 Apr 2026, 12:50:49

I wouldn't pay more than 40,000 for a 1.5 L engine — that's excessive.

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.

details
KV-1-1
Left-Back-30°-1
Front-Row-Space-1
Trunk-3

Reviews MG MG3

5 (1 Reviews)
rate
Giorgio catacchio
20 Sept 2025, 00:08:28

I've owned the MG3 Hybrid for a year — I travel a lot, never a dull moment; comes fully loaded as standard, incredible acceleration, etc.

Frequently compared as well

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VS
In the tussle between the cheeky Ford Puma and the stylish Mazda CX-30, the Puma serves up playful handling, clever practicality and sharper value, while the CX-30 rewards you with a more premium cabin and composed, grown-up refinement. Choose the Puma for everyday fun and sensible running costs; …
MG MG3
Opel Corsa
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Choosing between the MG3 and the Opel Corsa means weighing a budget-friendly, quirky small hatch against a more refined, mainstream rival with stronger dealer support. Which suits you will come down to priorities like build quality, driving refinement, fuel economy and after-sales service.
Lexus UX
Mazda CX-30
VS
The Lexus UX and Mazda CX-30 are two compact crossovers that target different buyers: the UX prioritizes premium feel and comfort, while the CX-30 focuses on engaging driving dynamics and value. This comparison will highlight how they stack up in design, interior quality, tech, safety and running …
MG MG3
MG MG4
VS
If you're after cheap thrills and nimble city driving, the MG3 is the plucky choice — inexpensive, quirky and perfect for tight car parks. But for real-world practicality, range and a more modern feel, the MG4's stylish hatch and EV tech make it the smarter buy for daily drivers who want a bit of …
MG MG3
MG ZS
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Choosing between the compact MG3 hatchback and the larger MG ZS crossover comes down to whether you prioritise city-friendly agility and low running costs or interior space and practicality. This comparison covers driving character, equipment, fuel economy and ownership costs to help you pick the …
Mazda CX-30
Toyota C-HR
VS
In the battle of subcompact SUVs, the Mazda CX-30 showcases a sleek design and spirited driving dynamics that appeal to enthusiasts, while the Toyota C-HR offers a bold aesthetic and a reputation for reliability. The CX-30 impresses with its upscale interior and advanced infotainment features, …
Mazda CX-30
VW T-Roc
VS
The Mazda CX-30 and the VW T‑Roc are compact crossovers that each aim to combine everyday practicality with a touch of style, but they take different routes on ride feel, interior quality and tech. This quick comparison will help you decide whether the CX-30’s near-premium cabin and engaging …
Kia XCeed
Mazda CX-30
VS
In the competitive compact crossover segment, the Kia XCeed stands out with its sporty design and a rich set of standard features, providing a more youthful and contemporary driving experience. Meanwhile, the Mazda CX-30 delivers a premium feel with its upscale interior, engaging handling, and …
Mazda CX-30
MG MG3

Costs and Consumption
Price
25,700 - 37,200 £
Price
15,400 - 21,400 £
Consumption L/100km
5.7 - 6.6 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
129 - 148 g/km
co2
100 - 137 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,455 - 1,587 kg
Curb weight
1,237 - 1,285 kg
Trunk capacity
422 - 430 L
Trunk capacity
293 L
Length
-
Length
-
Width
1,795 mm
Width
1,797 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
458 - 496 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
8.3 - 10.3 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
What drive types are available for the Mazda CX-30?

Available configurations include Front-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.