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Mazda 6 Estate vs Kia K4 comparison

Compare performance (194 HP vs 180 HP), boot space and price (30,000 £ vs 24,800 £ ) at a glance. Find out which car is the better choice for you – Mazda 6 Estate or Kia K4?

Mazda 6 Estate vs Kia K4: Key differences

Mazda 6 Estate

4.7 (1 Reviews)
rate
  • very slightly more power
  • barely quicker 0–100 km/h
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Kia K4

  • visibly cheaper
  • slightly more efficient
  • marginally lighter
  • moderately more trunk space
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By Achim Sedelmaier

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

6 Estate

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 is visibly cheaper – starting at 24,800 £ , while the Mazda 6 Estate costs 30,000 £ . That’s a price difference of around 5,238 £.

Fuel consumption also shows a difference: the Kia K4 uses 5.8 L/100km and is slightly more efficient than the Mazda 6 Estate with 6.8 L/100km. The difference is about 1 L/100km.

K4

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 Mazda 6 Estate offers very slightly more power – delivering 194 HP compared to 180 HP. That’s roughly 14 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mazda 6 Estate is barely quicker – completing the sprint in 8.1 s, while the Kia K4 takes 8.4 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the Kia K4 delivers only slightly more torque with 265 Nm compared to 258 Nm. That’s about 7 Nm more.

6 Estate

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 marginally lighter – 1,415 kg compared to 1,475 kg. The difference is around 60 kg.

Looking at boot space, the Kia K4 offers moderately more boot space – 604 L compared to 522 L. That’s a difference of about 82 L.

When it comes to payload, the Mazda 6 Estate carries markedly more – 571 kg compared to 455 kg. That’s a difference of about 116 kg.

Who wins the race in the data check?

The Kia K4 sits just 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.

from £24,800
K4

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 - 7.2 L/100km
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Mazda 6 Estate
Kia K4

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda 6 Estate

The Mazda 6 Estate marries elegant, flowing design with everyday practicality, so you get a grown-up wagon that still looks the part on a weekend escape. It rewards drivers with poised handling and a nicely finished cabin, proving that sensible family cars can be engaging — and a little bit cheeky — too.

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Reviews Mazda 6 Estate

4.7 (1 Reviews)
rate

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

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

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Mazda 6 Estate
Kia K4

Costs and Consumption
Price
30,000 - 43,500 £
Price
24,800 - 34,200 £
Consumption L/100km
6.8 - 7.6 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
155 - 172 g/km
co2
132 - 161 g/km
Fuel tank capacity
62 L
Fuel tank capacity
-

Dimensions and Body
Body Type
Estate
Body Type
Hatchback, Estate
Seats
5
Seats
5
Doors
5
Doors
-
Curb weight
1,475 - 1,598 kg
Curb weight
1,415 - 1,540 kg
Trunk capacity
522 L
Trunk capacity
328 - 604 L
Length
4,805 mm
Length
-
Width
1,840 mm
Width
1,850 mm
Height
1,480 mm
Height
-
Max trunk capacity
1,664 L
Max trunk capacity
-
Payload
483 - 571 kg
Payload
435 - 455 kg

Engine and Performance
Engine Type
Petrol
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
Drive Type
Front-Wheel Drive
Power HP
145 - 194 HP
Power HP
115 - 180 HP
Acceleration 0-100km/h
8.1 - 10.7 s
Acceleration 0-100km/h
8.4 - 12.3 s
Max Speed
205 - 223 km/h
Max Speed
-
Torque
213 - 258 Nm
Torque
200 - 265 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
107 - 143 kW
Power kW
85 - 132 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
998 - 1,598 cm3

General
Model Year
2,021 - 2,022
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, F
CO2 Efficiency Class
D, E, F
Brand
Mazda
Brand
Kia
What drivetrain options does the Mazda 6 Estate have?

The Mazda 6 Estate is available as Front-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.