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Mazda 3 Sedan vs Vauxhall Astra Sports Tourer comparison

Compare performance (186 HP vs 196 HP), boot space and price (25,000 £ vs 30,000 £ ) at a glance. Find out which car is the better choice for you – Mazda 3 Sedan or Vauxhall Astra Sports Tourer?

Mazda 3 Sedan vs Vauxhall Astra Sports Tourer: Key differences

Mazda 3 Sedan

4.7 (1 Reviews)
rate
  • noticeably cheaper
  • very slightly lighter

Vauxhall Astra Sports Tourer

  • marginally more power
  • clearly more efficient
  • very slightly quicker 0–100 km/h
  • clearly more trunk space

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

3 Sedan

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.

Mazda 3 Sedan is noticeably cheaper – starting at 25,000 £ , while the Vauxhall Astra Sports Tourer costs 30,000 £ . That’s a price difference of around 5,014 £.

Fuel consumption also shows a difference: the Vauxhall Astra Sports Tourer uses 2.3 L/100km and is clearly more efficient than the Mazda 3 Sedan with 5.5 L/100km. The difference is about 3.2 L/100km.

Astra Sports Tourer

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Vauxhall Astra Sports Tourer offers marginally more power – delivering 196 HP compared to 186 HP. That’s roughly 10 HP more horsepower.

When accelerating from 0 to 100 km/h, the Vauxhall Astra Sports Tourer is very slightly quicker – completing the sprint in 7.7 s, while the Mazda 3 Sedan takes 8.1 s. That’s about 0.4 s quicker.

There’s also a difference in torque: the Vauxhall Astra Sports Tourer delivers visibly more torque with 360 Nm compared to 240 Nm. That’s about 120 Nm more.

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 terms of curb weight, Mazda 3 Sedan is very slightly lighter – 1,420 kg compared to 1,438 kg. The difference is around 18 kg.

Looking at boot space, the Vauxhall Astra Sports Tourer offers clearly more boot space – 597 L compared to 450 L. That’s a difference of about 147 L.

When it comes to payload, the Vauxhall Astra Sports Tourer carries only slightly more – 502 kg compared to 481 kg. That’s a difference of about 21 kg.

Who wins the race in the data check?

The Vauxhall Astra Sports Tourer stands well ahead of its rival 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
Astra Sports Tourer

Vauxhall Astra Sports Tourer

  • Engine Type : Petrol MHEV, Plugin Hybrid, Diesel, Electric
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive
  • Power HP : 130 - 196 HP
  • Consumption L/100km : 2.3 - 5 L/100km
  • Consumption kWh/100km : 15.6 kWh/100km
  • Electric Range : 82 - 445 km
details

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View detailed analysis

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View detailed analysis

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View detailed analysis

Mazda 3 Sedan

The Mazda 3 Sedan dresses like a compact premium car, with sculpted lines and an interior that punches well above its class. It rewards drivers with eager handling and a composed, comfortable ride that turns routine runs into something a bit more enjoyable — proof that style and substance can share the same key.

details
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Reviews Mazda 3 Sedan

4.7 (1 Reviews)
rate

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

Vauxhall Astra Sports Tourer

The Opel Astra Sports Tourer blends family-friendly practicality with a sleek, grown-up wagon silhouette that manages to be both useful and unexpectedly stylish. It’s an easy car to live with — comfortable, well put together and clever with space — a sensible choice for buyers who want everyday versatility without fuss.

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Reviews Vauxhall Astra Sports Tourer

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Mazda 3 Sedan
Vauxhall Astra Sports Tourer

Costs and Consumption
Price
25,000 - 34,200 £
Price
30,000 - 39,600 £
Consumption L/100km
5.5 - 6.1 L/100km
Consumption L/100km
2.3 - 5 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
15.6 kWh/100km
Electric Range
-
Electric Range
82 - 445 km
Battery Capacity
-
Battery Capacity
-
co2
123 - 135 g/km
co2
0 - 132 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Estate
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,420 - 1,492 kg
Curb weight
1,438 - 1,765 kg
Trunk capacity
450 L
Trunk capacity
466 - 597 L
Length
-
Length
-
Width
1,795 mm
Width
1,859 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
467 - 481 kg
Payload
434 - 502 kg

Engine and Performance
Engine Type
Petrol MHEV
Engine Type
Petrol MHEV, Plugin Hybrid, Diesel, Electric
Transmission
Manuel, Automatic
Transmission
Automatic
Transmission Detail
Manual Gearbox, Automatic Gearbox
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox, Reduction Gearbox
Drive Type
Front-Wheel Drive
Drive Type
Front-Wheel Drive
Power HP
140 - 186 HP
Power HP
130 - 196 HP
Acceleration 0-100km/h
8.1 - 9.8 s
Acceleration 0-100km/h
7.7 - 10.6 s
Max Speed
-
Max Speed
-
Torque
238 - 240 Nm
Torque
230 - 360 Nm
Number of Cylinders
4
Number of Cylinders
3 - 4
Power kW
103 - 137 kW
Power kW
96 - 144 kW
Engine capacity
1,998 - 2,488 cm3
Engine capacity
1,199 - 1,598 cm3

General
Model Year
2,025
Model Year
2,026
CO2 Efficiency Class
D
CO2 Efficiency Class
C, B, D, A
Brand
Mazda
Brand
Vauxhall
What drivetrain options does the Mazda 3 Sedan have?

The Mazda 3 Sedan 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.