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Mazda MX-5 Coupe vs Kia K4 comparison

Compare performance (132 HP vs 180 HP), boot space and price (31,400 £ vs 24,800 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Coupe or Kia K4?

Mazda MX-5 Coupe vs Kia K4: Key differences

Mazda MX-5 Coupe

  • clearly lighter
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Kia K4

4.4 (6 Reviews)
rate
  • visibly cheaper
  • clearly more power
  • barely more efficient
  • only slightly quicker 0–100 km/h
  • substantially 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.

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

MX-5 Coupe

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Kia K4 is visibly cheaper – starting at 24,800 £ , while the Mazda MX-5 Coupe costs 31,400 £ . That’s a price difference of around 6,600 £.

Fuel consumption also shows a difference: the Kia K4 uses 5.8 L/100km and is barely more efficient than the Mazda MX-5 Coupe with 6.2 L/100km. The difference is about 0.4 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 Kia K4 offers clearly more power – delivering 180 HP compared to 132 HP. That’s roughly 48 HP more horsepower.

When accelerating from 0 to 100 km/h, the Kia K4 is only slightly quicker – completing the sprint in 8.4 s, while the Mazda MX-5 Coupe takes 8.6 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Kia K4 delivers significantly more torque with 265 Nm compared to 152 Nm. That’s about 113 Nm more.

MX-5 Coupe

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Kia K4 offers more seats – 5 vs 2.

In terms of curb weight, Mazda MX-5 Coupe is clearly lighter – 1,114 kg compared to 1,415 kg. The difference is around 301 kg.

Looking at boot space, the Kia K4 offers substantially more boot space – 604 L compared to 127 L. That’s a difference of about 477 L.

When it comes to payload, the Kia K4 carries significantly more – 455 kg compared to 166 kg. That’s a difference of about 289 kg.

Who wins the race in the data check?

The Kia K4 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 £24,800
K4

Kia K4

  • Engine Type Petrol, Petrol MHEV
  • Transmission Manual, Automatic
  • Drive Type Front-Wheel Drive
  • Power HP 115 - 180 HP
  • Consumption L/100km 5.8 - 7.1 L/100km
details

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Mazda MX-5 Coupe
Kia K4

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda MX-5 Coupe

The Mazda MX-5 is a delightfully pure driver's car, wrapped in a compact package and tuned to make steering inputs feel like a conversation rather than a chore. It won’t overwhelm you with gadgetry, but what it delivers—nimble handling, instant feedback and an honest grin every time you drive—makes it a brilliant choice for anyone who values fun over flash.

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2023_mazda_mx-5_portugal_act_001_highres

Reviews Mazda MX-5 Coupe

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

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

4.4 (6 Reviews)
rate
Owners tend to praise the Kia K4 as a modern, very easy-to-use car with a full set of systems and driver-assist features that work reliably. Typical negatives often mentioned are a sluggish gearbox and weak cabin soundproofing that lets in more noise than expected. Overall the feedback is fairly consistent on those strengths and drawbacks.
Joz
20 May 2026, 08:04:45

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but with a sluggish gearbox and poor noise insulation.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Joz
20 May 2026, 08:04:45

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but with a sluggish gearbox and poor soundproofing.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Joz
20 May 2026, 08:04:44

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but with a sluggish gearbox and poor noise insulation.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Joz
20 May 2026, 08:04:44

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but with a sluggish gearbox and poor sound insulation.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Joz
20 May 2026, 08:04:44

A modern, ultra-easy-to-use car with a full set of systems and assistants that work as they should, but hampered by a sluggish gearbox and poor soundproofing.

Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Mazda MX-5 Coupe
Kia K4

Costs and Consumption
Price
31,400 - 36,700 £
Price
24,800 - 34,200 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
5.8 - 7.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
132 - 161 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Coupe
Body Type
Hatchback, Estate
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1,114 kg
Curb weight
1,415 - 1,540 kg
Trunk capacity
127 L
Trunk capacity
328 - 604 L
Length
-
Length
-
Width
1,735 mm
Width
1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
166 kg
Payload
435 - 455 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Petrol, Petrol MHEV
Transmission
Manual
Transmission
Manual, Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Rear-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
132 HP
Power HP
115 - 180 HP
Acceleration 0-100km/h
8.6 s
Acceleration 0-100km/h
8.4 - 12.3 s
Max Speed
-
Max Speed
-
Torque
152 Nm
Torque
200 - 265 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
97 kW
Power kW
85 - 132 kW
Engine capacity
1,496 cm3
Engine capacity
998 - 1,598 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
E
CO2 Efficiency Class
D, E, F
Brand
Mazda
Brand
Kia
Is the Mazda MX-5 Coupe offered with different drivetrains?

The Mazda MX-5 Coupe is offered with 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.