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Kia Stonic vs Mazda CX-5 comparison

Compare performance (115 HP vs 141 HP), boot space and price (20,400 £ vs 30,000 £ ) at a glance. Find out which car is the better choice for you – Kia Stonic or Mazda CX-5?

Kia Stonic vs Mazda CX-5: Key differences

Kia Stonic

4.6 (2 Reviews)
rate
  • substantially cheaper
  • visibly more efficient
  • visibly lighter
details

Mazda CX-5

4.7 (8 Reviews)
rate
  • moderately more power
  • barely quicker 0–100 km/h
  • visibly more trunk space
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

Stonic

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 Stonic is substantially cheaper – starting at 20,400 £ , while the Mazda CX-5 costs 30,000 £ . That’s a price difference of around 9,600 £.

Fuel consumption also shows a difference: the Kia Stonic uses 5.6 L/100km and is visibly more efficient than the Mazda CX-5 with 7 L/100km. The difference is about 1.4 L/100km.

CX-5

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Mazda CX-5 offers moderately more power – delivering 141 HP compared to 115 HP. That’s roughly 26 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mazda CX-5 is barely quicker – completing the sprint in 10.5 s, while the Kia Stonic takes 10.7 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Mazda CX-5 delivers somewhat more torque with 238 Nm compared to 200 Nm. That’s about 38 Nm more.

Stonic

Space and Everyday Use:

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

Both vehicles offer seating for 5 people.

In terms of curb weight, Kia Stonic is visibly lighter – 1,205 kg compared to 1,629 kg. The difference is around 424 kg.

Looking at boot space, the Mazda CX-5 offers visibly more boot space – 466 L compared to 352 L. That’s a difference of about 114 L.

When it comes to payload, the Mazda CX-5 carries noticeably more – 601 kg compared to 445 kg. That’s a difference of about 156 kg.

Who wins the race in the data check?

The Mazda CX-5 stands out in the key areas 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 £30,000
CX-5

Mazda CX-5

  • Engine Type : Petrol MHEV
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 141 HP
  • Consumption L/100km : 7 - 7.5 L/100km
details

Frequently compared as well

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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Kia Stonic

The Kia Stonic is a sprightly compact crossover that mixes city-friendly agility with a cheeky, modern design — perfect for buyers who want style without sacrificing sense. Inside it serves up clever practicality and a bright, well-equipped cabin, making everyday driving feel a bit more fun than it has any right to be.

details
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Kia_Stonic_MY22_15
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Reviews Kia Stonic

4.6 (2 Reviews)
rate
Jan
18 Mar 2026, 07:19:10

Very good car, uses little fuel, nothing's gone wrong in 4 years, no breakdowns.

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
Ennio
4 Feb 2026, 13:19:36

I'm very satisfied — I have a Stonic Black Edition hybrid, and I haven't had any problems after two years.

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

Mazda CX-5

The Mazda CX-5 blends elegant, athletic styling with a surprisingly engaging driving character, turning routine trips into small, satisfying adventures. Inside it feels thoughtfully built and comfortable, offering sensible practicality and a premium feel that punches above its price.

details
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Reviews Mazda CX-5

4.7 (8 Reviews)
rate
Bengt
25 Jan 2026, 14:05:09

I've owned several Volvos, but I drive a Mazda now and would never switch back.

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

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Kia Stonic
Mazda CX-5

Costs and Consumption
Price
20,400 - 26,800 £
Price
30,000 - 39,500 £
Consumption L/100km
5.6 - 5.7 L/100km
Consumption L/100km
7 - 7.5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
126 - 128 g/km
co2
157 - 169 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,205 - 1,270 kg
Curb weight
1,629 - 1,671 kg
Trunk capacity
352 L
Trunk capacity
466 L
Length
-
Length
-
Width
1,760 mm
Width
1,860 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
440 - 445 kg
Payload
566 - 601 kg

Engine and Performance
Engine Type
Petrol, Petrol MHEV
Engine Type
Petrol MHEV
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
100 - 115 HP
Power HP
141 HP
Acceleration 0-100km/h
10.7 - 12.1 s
Acceleration 0-100km/h
10.5 - 10.9 s
Max Speed
-
Max Speed
-
Torque
172 - 200 Nm
Torque
238 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
74 - 85 kW
Power kW
104 kW
Engine capacity
998 cm3
Engine capacity
2,488 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D
CO2 Efficiency Class
F
Brand
Kia
Brand
Mazda
Is the Kia Stonic offered with different drivetrains?

The Kia Stonic is offered with 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.