VS

Alfa Romeo Giulia vs Mazda MX-5 Roadster comparison

Compare performance (520 HP vs 132 HP), boot space and price (48,000 £ vs 28,400 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Mazda MX-5 Roadster?

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

Alfa Romeo Giulia

4.1 (2 Reviews)
rate
  • clearly more power
  • moderately more efficient
  • clearly quicker 0–100 km/h
  • clearly more trunk space
details

Mazda MX-5 Roadster

  • clearly cheaper
  • clearly lighter
details

By Achim Sedelmaier

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

Giulia

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Mazda MX-5 Roadster is clearly cheaper – starting at 28,400 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 19,552 £.

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.

MX-5 Roadster

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 clearly 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 clearly 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 significantly more torque with 600 Nm compared to 152 Nm. That’s about 448 Nm more.

Giulia

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 clearly 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 substantially 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 is clearly superior overall 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
Alfa Romeo Giulia
Mazda MX-5 Roadster

Costs and Consumption

View detailed analysis

Engine and Performance

View detailed analysis

Dimensions and Body

View detailed analysis

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.

details

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.

details
Alfa Romeo Giulia
Mazda MX-5 Roadster

Costs and Consumption

Price
48,000 - 88,300 £
Price
28,400 - 33,800 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
6.2 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
140 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body

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

Engine and Performance

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

General

Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
E, G
CO2 Efficiency Class
E
Brand
Alfa Romeo
Brand
Mazda
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.