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Mazda 3 Hatchback vs SEAT Arona - Differences and prices compared

Compare performance (186 HP vs 150 HP), boot space and price (24500 £ vs 20700 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Hatchback or SEAT Arona?

Mazda 3 Hatchback

SEAT Arona

4.9 (1 Reviews)
rate

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

3 Hatchback

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.

SEAT Arona has a somewhat advantage in terms of price – it starts at 20700 £ , while the Mazda 3 Hatchback costs 24500 £ . That’s a price difference of around 3848 £.

Fuel consumption also shows a difference: SEAT Arona manages with 5.30 L and is therefore hardly perceptible more efficient than the Mazda 3 Hatchback with 5.60 L. The difference is about 0.30 L per 100 km.

Arona

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 3 Hatchback has a somewhat edge – offering 186 HP compared to 150 HP. That’s roughly 36 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mazda 3 Hatchback is slight quicker – completing the sprint in 8 s, while the SEAT Arona takes 8.30 s. That’s about 0.30 s faster.

There’s also a difference in torque: SEAT Arona pulls slight stronger with 250 Nm compared to 240 Nm. That’s about 10 Nm difference.

3 Hatchback

Space and Everyday Use:

Beyond pure performance, interior space and usability matter most in daily life. This is where you see which car is more practical and versatile.

Both vehicles offer seating for 5 people.

In curb weight, SEAT Arona is to a small extent lighter – 1188 kg compared to 1419 kg. The difference is around 231 kg.

In terms of boot space, the SEAT Arona offers to a small extent more room – 400 L compared to 351 L. That’s a difference of about 49 L.

When it comes to payload, SEAT Arona slight takes the win – 522 kg compared to 485 kg. That’s a difference of about 37 kg.

Who wins the race in the data check?

The Mazda 3 Hatchback holds a very small edge 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 3 Hatchback
SEAT Arona

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £24,500
3 Hatchback

Mazda 3 Hatchback

  • Engine Type : Petrol MHEV
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 140 - 186 HP
  • Consumption L/100km : 5.6 - 6.5 L
details

Mazda 3 Hatchback

The Mazda 3 hatchback blends elegant design with a surprisingly sporty drive, giving a cabin that feels more upscale than you’d expect for the segment. Practical enough for everyday life yet eager to entertain behind the wheel, it’s a smart, good-humored choice that makes even grocery runs feel like a mini escape.

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SEAT Arona

4.9 (1 Reviews)
rate

The SEAT Arona is a cheeky urban crossover that mixes sharp styling with sensible practicality, making it an appealing choice for buyers who want personality without fuss. It’s zippy in traffic, comfortable enough for daily driving, and brings enough character to make routine journeys feel a little more fun.

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Reviews Mazda 3 Hatchback

Reviews SEAT Arona

4.9 (1 Reviews)
rate

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Mazda 3 Hatchback
SEAT Arona

Costs and Consumption
Price
24500 - 35500 £
Price
20700 - 30500 £
Consumption L/100km
5.6 - 6.5 L
Consumption L/100km
5.3 - 5.8 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
126 - 146 g/km
co2
120 - 132 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
SUV
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1419 - 1549 kg
Curb weight
1188 - 1268 kg
Trunk capacity
351 L
Trunk capacity
400 L
Length
-
Length
-
Width
1795 mm
Width
1780 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
470 - 485 kg
Payload
502 - 522 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol
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
95 - 150 HP
Acceleration 0-100km/h
8 - 9.8 s
Acceleration 0-100km/h
8.3 - 11.1 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
175 - 250 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
103 - 137 kW
Power kW
70 - 110 kW
Engine capacity
1998 - 2488 cm3
Engine capacity
999 - 1498 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
D, E
CO2 Efficiency Class
D
Brand
Mazda
Brand
SEAT

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What drivetrain options does the Mazda 3 Hatchback have?

The Mazda 3 Hatchback is available as Front-Wheel Drive or All-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.