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Mazda MX-5 Coupe vs Kia K4 - Differences and prices compared

Compare performance (132 HP vs 180 HP), boot space and price (30800 £ vs 25700 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Coupe or Kia K4?

Mazda MX-5 Coupe

Kia K4

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

MX-5 Coupe

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.

Kia K4 has a distinct advantage in terms of price – it starts at 25700 £ , while the Mazda MX-5 Coupe costs 30800 £ . That’s a price difference of around 5143 £.

Fuel consumption also shows a difference: Kia K4 manages with 5.80 L and is therefore hardly perceptible more efficient than the Mazda MX-5 Coupe with 6.20 L. The difference is about 0.40 L per 100 km.

MX-5 Coupe

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Kia K4 has a clearly perceptible edge – offering 180 HP compared to 132 HP. That’s roughly 48 HP more horsepower.

In acceleration from 0 to 100 km/h, the Kia K4 is minimal quicker – completing the sprint in 8.40 s, while the Mazda MX-5 Coupe takes 8.60 s. That’s about 0.20 s faster.

There’s also a difference in torque: Kia K4 pulls convincingly stronger with 265 Nm compared to 152 Nm. That’s about 113 Nm difference.

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Kia K4 offers significantly more seating capacity – 5 vs 2.

In curb weight, Mazda MX-5 Coupe is noticeable lighter – 1114 kg compared to 1415 kg. The difference is around 301 kg.

In terms of boot space, the Kia K4 offers clearly more room – 438 L compared to 127 L. That’s a difference of about 311 L.

When it comes to payload, Kia K4 decisively takes the win – 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 far ahead 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.

Mazda MX-5 Coupe
Kia K4

Costs and Consumption

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Engine and Performance

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Dimensions and Body

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from about £25,700
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Kia K4

  • Engine Type : Petrol, Petrol MHEV
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 115 - 180 HP
  • Consumption L/100km : 5.8 - 6.9 L

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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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.

details
Mazda MX-5 Coupe
Kia K4

Costs and Consumption

Price
30800 - 36200 £
Price
25700 - 32800 £
Consumption L/100km
6.20 L
Consumption L/100km
5.8 - 6.9 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
132 - 155 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

Body Type
Coupe
Body Type
Hatchback
Seats
2
Seats
5
Doors
-
Doors
-
Curb weight
1114 kg
Curb weight
1415 - 1500 kg
Trunk capacity
127 L
Trunk capacity
328 - 438 L
Length
-
Length
-
Width
1735 mm
Width
1850 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
Manuel
Transmission
Manuel, 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
8.60 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
1496 cm3
Engine capacity
998 - 1598 cm3

General

Model Year
2025
Model Year
2025
CO2 Efficiency Class
E
CO2 Efficiency Class
D, E
Brand
Mazda
Brand
Kia
What drivetrain options does the Mazda MX-5 Coupe have?

The Mazda MX-5 Coupe is available as Rear-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.