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Mazda CX-30 vs Kia K4 comparison

Compare performance (186 HP vs 180 HP), boot space and price (25,200 £ vs 24,800 £ ) at a glance. Find out which car is the better choice for you – Mazda CX-30 or Kia K4?

Mazda CX-30 vs Kia K4: Key differences

Mazda CX-30

4.7 (4 Reviews)
rate
  • marginally more power
  • barely more efficient
  • barely quicker 0–100 km/h

Kia K4

  • only slightly cheaper
  • only slightly lighter
  • noticeably 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.

By Achim Sedelmaier

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

CX-30

Costs and Efficiency:

When it comes to price and running costs, the biggest differences usually appear. This is often where you see which car fits your budget better in the long run.

Kia K4 is only slightly cheaper – starting at 24,800 £ , while the Mazda CX-30 costs 25,200 £ . That’s a price difference of around 472 £.

Fuel consumption also shows a difference: the Mazda CX-30 uses 5.7 L/100km and is barely more efficient than the Kia K4 with 5.8 L/100km. The difference is about 0.1 L/100km.

K4

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 Mazda CX-30 offers marginally more power – delivering 186 HP compared to 180 HP. That’s roughly 6 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mazda CX-30 is barely quicker – completing the sprint in 8.3 s, while the Kia K4 takes 8.4 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Kia K4 delivers barely more torque with 265 Nm compared to 240 Nm. That’s about 25 Nm more.

CX-30

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, Kia K4 is only slightly lighter – 1,415 kg compared to 1,455 kg. The difference is around 40 kg.

Looking at boot space, the Kia K4 offers noticeably more boot space – 604 L compared to 430 L. That’s a difference of about 174 L.

When it comes to payload, the Mazda CX-30 carries only slightly more – 496 kg compared to 455 kg. That’s a difference of about 41 kg.

Who wins the race in the data check?

The Mazda CX-30 is narrowly 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 £25,200
CX-30

Mazda CX-30

  • Engine Type : Petrol MHEV
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 140 - 186 HP
  • Consumption L/100km : 5.7 - 6.6 L/100km
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Frequently compared as well

Mazda CX-30
Suzuki S-Cross
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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 …
Ford Puma
Mazda CX-30
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Mazda CX-30
Kia K4

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 sleek coupe-like lines with the practicality of a compact crossover, feeling more premium than its price tag suggests. It’s a joy to drive for anyone who likes a taut chassis and an interior that treats daily commutes like a small luxury escape.

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Reviews Mazda CX-30

4.7 (4 Reviews)
rate
Stefan Zapp
31 Jan 2026, 22:32:56

I drive a CX30 with 150 hp. I'm very satisfied with the car.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

Kia K4

Kia K4 shakes up the compact-sedan crowd with concept-car looks, a smartly packaged cabin, and the kind of easygoing refinement that makes rush hour feel less like a chore. It blends value, tech, and a dash of attitude, serving up a smooth, confident drive that might have you taking the long way home just to show off those angles.

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Reviews Kia K4

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

Frequently compared as well

Mazda CX-30
Skoda Kamiq
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The Mazda CX-30 is the stylish, driver's compact SUV that blends near-premium looks and crisp handling, while the Škoda Kamiq plays the sensible card with clever packaging, a roomier boot and lower running costs. Pick the CX-30 if you want a more emotional, fun-to-drive compact with a nicer …
Mazda CX-30
Nissan Qashqai
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The Mazda CX‑30 feels like a premium compact with sharp handling, a beautifully finished interior and a focus on driver enjoyment, while the Nissan Qashqai answers with roomy practicality, comfort and sensible tech for everyday family life. Choose the CX‑30 if you want style and engagement; pick …
Mazda CX-30
VW T-Roc
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In the competitive world of compact SUVs, the Mazda CX-30 and the VW T-Roc both bring distinct flavors to the table. The Mazda CX-30 is celebrated for its elegant design and engaging driving dynamics, offering a luxurious feel with its high-quality interior and impressive handling. Meanwhile, the …
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Mazda CX-30
Toyota Yaris Cross
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The Mazda CX-30 feels like a little premium driver’s car with sharper handling, a beautifully put-together interior and just the sort of polish that makes daily drives more enjoyable, while the Toyota Yaris Cross leans hard into practicality and hybrid efficiency for city life. Pick the CX-30 if …
Kia XCeed
Mazda CX-30
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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
Toyota C-HR
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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, …
Ford Kuga
Mazda CX-30
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In the competitive compact SUV market, the Ford Kuga and Mazda CX-30 stand out with their unique design and driving dynamics. The Kuga impresses with its spacious interior and advanced technology features, making it a popular choice for families. Meanwhile, the CX-30 captivates with its stylish …
Mazda CX-30
Kia K4

Costs and Consumption
Price
25,200 - 36,800 £
Price
24,800 - 34,200 £
Consumption L/100km
5.7 - 6.6 L/100km
Consumption L/100km
5.8 - 7.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
129 - 148 g/km
co2
132 - 161 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback, Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,455 - 1,587 kg
Curb weight
1,415 - 1,540 kg
Trunk capacity
422 - 430 L
Trunk capacity
328 - 604 L
Length
-
Length
-
Width
1,795 mm
Width
1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
458 - 496 kg
Payload
435 - 455 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol, Petrol MHEV
Transmission
Manuel, Automatic
Transmission
Manuel, Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
140 - 186 HP
Power HP
115 - 180 HP
Acceleration 0-100km/h
8.3 - 10.3 s
Acceleration 0-100km/h
8.4 - 12.3 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
200 - 265 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
103 - 137 kW
Power kW
85 - 132 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
998 - 1,598 cm3

General
Model Year
2,025
Model Year
2,025 - 2,026
CO2 Efficiency Class
D, E
CO2 Efficiency Class
D, E, F
Brand
Mazda
Brand
Kia
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.