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Mazda MX-5 Roadster vs Alfa Romeo Giulia comparison

Compare performance (132 HP vs 520 HP), boot space and price (29,000 £ vs 48,000 £ ) at a glance. Find out which car is the better choice for you – Mazda MX-5 Roadster or Alfa Romeo Giulia?

Mazda MX-5 Roadster vs Alfa Romeo Giulia: Key differences

Mazda MX-5 Roadster

  • considerably cheaper
  • considerably lighter
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Alfa Romeo Giulia

4.1 (2 Reviews)
rate
  • substantially more power
  • moderately more efficient
  • significantly quicker 0–100 km/h
  • clearly more trunk space
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By Achim Sedelmaier

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

MX-5 Roadster

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 MX-5 Roadster is considerably cheaper – starting at 29,000 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 19,038 £.

Fuel consumption also shows a difference: the Alfa Romeo Giulia uses 5.4 L/100km and is moderately more efficient than the Mazda MX-5 Roadster with 6.2 L/100km. The difference is about 0.8 L/100km.

Giulia

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 Alfa Romeo Giulia offers substantially more power – delivering 520 HP compared to 132 HP. That’s roughly 388 HP more horsepower.

When accelerating from 0 to 100 km/h, the Alfa Romeo Giulia is significantly quicker – completing the sprint in 3.9 s, while the Mazda MX-5 Roadster takes 8.3 s. That’s about 4.4 s quicker.

There’s also a difference in torque: the Alfa Romeo Giulia delivers considerably more torque with 600 Nm compared to 152 Nm. That’s about 448 Nm more.

MX-5 Roadster

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Alfa Romeo Giulia offers more seats – 5 vs 2.

In terms of curb weight, Mazda MX-5 Roadster is considerably lighter – 1,078 kg compared to 1,640 kg. The difference is around 562 kg.

Looking at boot space, the Alfa Romeo Giulia offers clearly more boot space – 480 L compared to 130 L. That’s a difference of about 350 L.

When it comes to payload, the Alfa Romeo Giulia carries significantly more – 535 kg compared to 152 kg. That’s a difference of about 383 kg.

Who wins the race in the data check?

The Alfa Romeo Giulia 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 £48,000
Giulia

Alfa Romeo Giulia

  • Engine Type Diesel, Petrol
  • Transmission Automatic
  • Drive Type All-Wheel Drive, Rear-Wheel Drive
  • Power HP 210 - 520 HP
  • Consumption L/100km 5.4 - 10.1 L/100km
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Mazda MX-5 Roadster
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Mazda MX-5 Roadster

The Mazda MX-5 is a featherweight, open-top sports car that turns ordinary roads into a grin-inducing playground thanks to razor-sharp steering and an engaging, tactile gearbox. It won’t swallow the weekly shopping or ski bags, but for anyone after pure driving fun and sun-on-your-face weekends, few cars match its sheer charm and value.

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Reviews Mazda MX-5 Roadster

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

Alfa Romeo Giulia

The Alfa Romeo Giulia captivates with its stunning Italian design and dynamic performance, representing a perfect blend of elegance and sportiness. Its engaging driving experience, characterised by precise handling and responsive steering, appeals to enthusiasts who crave the thrill of the road. Inside, the Giulia showcases a beautifully crafted interior that combines luxury with cutting-edge technology, making every journey a delight.

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Reviews Alfa Romeo Giulia

4.1 (2 Reviews)
rate

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

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Mazda MX-5 Roadster
Alfa Romeo Giulia

Costs and Consumption
Price
29,000 - 34,300 £
Price
48,000 - 88,300 £
Consumption L/100km
6.2 L/100km
Consumption L/100km
5.4 - 10.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
140 g/km
co2
141 - 229 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Roadster
Body Type
Sedan
Seats
2
Seats
4 - 5
Doors
-
Doors
-
Curb weight
1,078 kg
Curb weight
1,640 - 1,735 kg
Trunk capacity
130 L
Trunk capacity
480 L
Length
-
Length
-
Width
1,735 mm
Width
1,860 - 1,874 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
152 kg
Payload
415 - 535 kg

Engine and Performance
Engine Type
Petrol
Engine Type
Diesel, Petrol
Transmission
Manuel
Transmission
Automatic
Transmission Detail
Manual Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Rear-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
132 HP
Power HP
210 - 520 HP
Acceleration 0-100km/h
8.3 s
Acceleration 0-100km/h
3.9 - 6.8 s
Max Speed
-
Max Speed
-
Torque
152 Nm
Torque
470 - 600 Nm
Number of Cylinders
4
Number of Cylinders
4 - 6
Power kW
97 kW
Power kW
154 - 382 kW
Engine capacity
1,496 cm3
Engine capacity
2,143 - 2,891 cm3

General
Model Year
2025
Model Year
2,025 - 2,026
CO2 Efficiency Class
E
CO2 Efficiency Class
E, G
Brand
Mazda
Brand
Alfa Romeo
What drive types are available for the Mazda MX-5 Roadster?

The Mazda MX-5 Roadster is available as Rear-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.