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Alfa Romeo Giulia vs Mazda CX-30 comparison

Compare performance (520 HP vs 186 HP), boot space and price (48,000 £ vs 25,700 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Mazda CX-30?

Alfa Romeo Giulia vs Mazda CX-30: Key differences

Alfa Romeo Giulia

3.8 (3 Reviews)
rate
  • considerably more power
  • marginally more efficient
  • substantially quicker 0–100 km/h
  • slightly more trunk space
details

Mazda CX-30

4.6 (12 Reviews)
rate
  • significantly cheaper
  • slightly lighter
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

Giulia

Costs and Efficiency:

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

Mazda CX-30 is significantly cheaper – starting at 25,700 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 22,295 £.

Fuel consumption also shows a difference: the Alfa Romeo Giulia uses 5.4 L/100km and is marginally more efficient than the Mazda CX-30 with 5.7 L/100km. The difference is about 0.3 L/100km.

CX-30

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 considerably more power – delivering 520 HP compared to 186 HP. That’s roughly 334 HP more horsepower.

When accelerating from 0 to 100 km/h, the Alfa Romeo Giulia is substantially quicker – completing the sprint in 3.9 s, while the Mazda CX-30 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 240 Nm. That’s about 360 Nm more.

Giulia

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 CX-30 is slightly lighter – 1,455 kg compared to 1,640 kg. The difference is around 185 kg.

Looking at boot space, the Alfa Romeo Giulia offers slightly more boot space – 480 L compared to 430 L. That’s a difference of about 50 L.

When it comes to payload, the Alfa Romeo Giulia carries barely more – 535 kg compared to 496 kg. That’s a difference of about 39 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
details

Frequently compared as well

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Alfa Romeo Giulia
Mazda CX-30

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.

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Reviews Alfa Romeo Giulia

3.8 (3 Reviews)
rate

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

Mazda CX-30

The Mazda CX-30 blends Mazda’s upscale styling with a compact crossover body, offering a refined interior and engaging driving dynamics. It’s a practical choice for buyers who want a premium feel and agile handling in a city-friendly package.

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Reviews Mazda CX-30

4.6 (12 Reviews)
rate
Carlos
18 Jul 2026, 09:40:54

The Mazda is a more elegant car, less cumbersome and, even though it’s also an SUV, it feels less like an SUV and more like a regular car. Besides having an interior that feels more "like a real car" and less "smartphone," the finishes are also superior and the dynamic behavior is better. The lower power is made up for by being about 100 kg lighter, a lower vehicle height (more aerodynamic efficiency), and a smoother drive thanks to a high-displacement, non-turbo engine. The equipment is very similar but the Mazda just has more "class." Prices are comparable with equal equipment, and the difference is size: the Tucson being 11 cm longer is noticeable, especially in the boot — the Mazda’s is fine, but the Tucson’s is cavernous. If you don’t actually need something that big, I recommend the Mazda.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Value for Money
Jarek
4 Jun 2026, 09:16:53

The pleasure of driving and everything we call premium sensations.

How do you mainly use this car? (optional): Long-distance driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
Practicality / Trunk & Everyday Use
Value for Money
Danny
31 May 2026, 17:14:00

Nice luxury car, although I'm not sure I find the oversized rims that attractive. On the other hand, I like the Mazda 3 better.

How do you mainly use this car? (optional): Leisure / Weekend driver
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
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Paul
27 May 2026, 05:17:55

Better soundproofed, more powerful, and feels more like a continuation of my hands and feet when driving — in other words, you feel like a single unit during the driving experience — but cramped for me at 6 ft 1 in to get in and out…

How do you mainly use this car? (optional): Commuter (short/medium distance)
Efficiency / Consumption & Range
Comfort & Interior
Driving Fun / Performance
Technology & Infotainment
Safety
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Value for Money
Michele
8 May 2026, 17:46:44

Quiet; well finished, predominantly analog dashboard; excellent value for money

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

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Alfa Romeo Giulia
Mazda CX-30

Costs and Consumption
Price
48,000 - 88,300 £
Price
25,700 - 37,200 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
5.7 - 6.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
129 - 148 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
SUV
Seats
4 - 5
Seats
5
Doors
-
Doors
-
Curb weight
1,640 - 1,735 kg
Curb weight
1,455 - 1,587 kg
Trunk capacity
480 L
Trunk capacity
422 - 430 L
Length
-
Length
-
Width
1,860 - 1,874 mm
Width
1,795 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
415 - 535 kg
Payload
458 - 496 kg

Engine and Performance
Engine Type
Diesel, Petrol
Engine Type
Petrol MHEV
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
210 - 520 HP
Power HP
140 - 186 HP
Acceleration 0-100km/h
3.9 - 6.8 s
Acceleration 0-100km/h
8.3 - 10.3 s
Max Speed
-
Max Speed
-
Torque
470 - 600 Nm
Torque
238 - 240 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
154 - 382 kW
Power kW
103 - 137 kW
Engine capacity
2,143 - 2,891 cm3
Engine capacity
1,998 - 2,488 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
E, G
CO2 Efficiency Class
D, E
Brand
Alfa Romeo
Brand
Mazda
Is the Alfa Romeo Giulia offered with different drivetrains?

The Alfa Romeo Giulia is offered with All-Wheel Drive or 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.