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Mazda 3 Hatchback vs SEAT Arona comparison

Compare performance (186 HP vs 150 HP), boot space and price (25,000 £ vs 20,700 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Hatchback or SEAT Arona?

Mazda 3 Hatchback vs SEAT Arona: Key differences

Mazda 3 Hatchback

5 (1 Reviews)
rate
  • slightly more power
  • only slightly quicker 0–100 km/h
details

SEAT Arona

4.8 (6 Reviews)
rate
  • clearly cheaper
  • very slightly more efficient
  • slightly lighter
  • somewhat 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

3 Hatchback

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.

SEAT Arona is clearly cheaper – starting at 20,700 £ , while the Mazda 3 Hatchback costs 25,000 £ . That’s a price difference of around 4,320 £.

Fuel consumption also shows a difference: the SEAT Arona uses 5.3 L/100km and is very slightly more efficient than the Mazda 3 Hatchback with 5.6 L/100km. The difference is about 0.3 L/100km.

Arona

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 3 Hatchback offers slightly more power – delivering 186 HP compared to 150 HP. That’s roughly 36 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mazda 3 Hatchback is only slightly quicker – completing the sprint in 8 s, while the SEAT Arona takes 8.3 s. That’s about 0.3 s quicker.

There’s also a difference in torque: the SEAT Arona delivers very slightly more torque with 250 Nm compared to 240 Nm. That’s about 10 Nm more.

3 Hatchback

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, SEAT Arona is slightly lighter – 1,188 kg compared to 1,417 kg. The difference is around 229 kg.

Looking at boot space, the SEAT Arona offers somewhat more boot space – 400 L compared to 351 L. That’s a difference of about 49 L.

When it comes to payload, the SEAT Arona carries only slightly more – 522 kg compared to 502 kg. That’s a difference of about 20 kg.

Who wins the race in the data check?

The Mazda 3 Hatchback holds a slight 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.

from £25,000
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/100km
details

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SEAT Arona
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Ford Puma
SEAT Arona
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In one corner, the Ford Puma brings sporty flair and sharp handling to the small-SUV ring; in the other, the SEAT Arona sticks to sensible practicality and wallet-friendly charm. Which one wins your city commute, weekend escape and resale cheque comes down to whether you want fun on twisty roads or …
Mazda 3 Hatchback
SEAT Arona

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

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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Reviews Mazda 3 Hatchback

5 (1 Reviews)
rate
j m
29 Jun 2026, 22:06:55

power
efficiency and low consumption
driving pleasure
wonderful e-drive and head-up projection display on the windshield

SEAT Arona

The SEAT Arona is a compact crossover that blends practical, city-friendly packaging with a sporty, youthful design. It delivers a comfortable ride, an intuitive cabin and economical running costs, making it a sensible pick for daily drives and weekend getaways.

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Reviews SEAT Arona

4.8 (6 Reviews)
rate
Jorge Soares
29 May 2026, 20:19:35

É um excelente crossover...
Tem uma imagem desportiva e está bem equipado a nível de segurança e de tecnologia...
Tem uma óptima posição de condução...
É muito divertido de conduzir...
Só tenho pena de não trazer de fábrica o pneu sobresselente...

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
Jorge Soares
26 Mar 2026, 01:31:22

Comprei há 2 meses o Seat Arona novo DE 95 cv... ´Trata-se da versão base...
Estou muito contente com o mesmo...
Tem um ótima posição elevada da condução, é económico, tem uma bagageira com uma boa capacidade de arrumação...
Considero que este B Suv tem uma aparência bem desportiva e atraente...
Só tenho pena deste carro não ter instalados de fábrica os faróis dianteiros de nevoeiro, nem a câmara de ré acho que isto faz muita falta a nível da segurança da condução... Só a versão superior do carro é que traz instalada isto tudo...

How do you mainly use this car? (optional): City / Short distance
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money

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Sibling rivalry in compact-SUV clothing: the SEAT Arona and VW T‑Roc go head-to-head — one brings Spanish spice and value, the other German polish and refinement. We’ll compare driving feel, practicality, tech and running costs so you can pick the compact crossover that deserves a spot in your …
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SEAT Arona
Toyota Yaris Cross
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In the compact SUV segment, the SEAT Arona and Toyota Yaris Cross offer distinctive interpretations of urban mobility. The Arona captivates with its dynamic design and spirited driving experience, underpinned by SEAT's commitment to sporty performance and functionality. On the other hand, the Yaris …
Mazda 3 Hatchback
SEAT Arona

Costs and Consumption
Price
25,000 - 36,000 £
Price
20,700 - 30,300 £
Consumption L/100km
5.6 - 6.5 L/100km
Consumption L/100km
5.3 - 5.8 L/100km
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
1,417 - 1,529 kg
Curb weight
1,188 - 1,268 kg
Trunk capacity
351 L
Trunk capacity
400 L
Length
-
Length
-
Width
1,795 mm
Width
1,780 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
487 - 502 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
1,998 - 2,488 cm3
Engine capacity
999 - 1,498 cm3

General
Model Year
2026
Model Year
2025
CO2 Efficiency Class
D, E
CO2 Efficiency Class
D
Brand
Mazda
Brand
SEAT
What drive types are available for the Mazda 3 Hatchback?

Available configurations include Front-Wheel Drive or All-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.