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Alfa Romeo Giulia vs Mazda 6 Saloon comparison

Compare performance (520 HP vs 258 HP), boot space and price (48,000 £ vs 38,500 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Mazda 6 Saloon?

Alfa Romeo Giulia vs Mazda 6 Saloon: Key differences

Alfa Romeo Giulia

4.1 (2 Reviews)
rate
  • substantially more power
  • substantially quicker 0–100 km/h
  • noticeably lighter
  • visibly more trunk space
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Mazda 6 Saloon

  • visibly cheaper
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By Achim Sedelmaier

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

Giulia

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Mazda 6 Saloon is visibly cheaper – starting at 38,500 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 9,515 £.

6 Saloon

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 258 HP. That’s roughly 262 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 6 Saloon takes 7.6 s. That’s about 3.7 s quicker.

There’s also a difference in torque: the Alfa Romeo Giulia delivers clearly more torque with 600 Nm compared to 320 Nm. That’s about 280 Nm more.

Giulia

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Both vehicles offer seating for 5 people.

In terms of curb weight, Alfa Romeo Giulia is noticeably lighter – 1,640 kg compared to 2,027 kg. The difference is around 387 kg.

Looking at boot space, the Alfa Romeo Giulia offers visibly more boot space – 480 L compared to 336 L. That’s a difference of about 144 L.

When it comes to payload, the Alfa Romeo Giulia carries markedly more – 535 kg compared to 360 kg. That’s a difference of about 175 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
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Frequently compared as well

Mazda 6 Saloon
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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

4.1 (2 Reviews)
rate

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

Mazda 6 Saloon

The Mazda6 saloon feels like the sensible yet stylish choice for buyers who want a car that drives with poise and looks sharper than its badge suggests. It mixes engaging handling, a refined cabin and everyday practicality without shouting for attention — perfect for those who prefer understated class with a wink.

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Reviews Mazda 6 Saloon

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

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Alfa Romeo Giulia
Mazda 6 Saloon

Costs and Consumption
Price
48,000 - 88,300 £
Price
38,500 - 41,600 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
-
Consumption kWh/100km
-
Consumption kWh/100km
16.5 - 16.6 kWh/100km
Electric Range
-
Electric Range
479 - 552 km
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
0 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
4 - 5
Seats
5
Doors
-
Doors
5
Curb weight
1,640 - 1,735 kg
Curb weight
2,027 - 2,028 kg
Trunk capacity
480 L
Trunk capacity
336 L
Length
-
Length
4,921 mm
Width
1,860 - 1,874 mm
Width
1,890 mm
Height
-
Height
1,491 mm
Max trunk capacity
-
Max trunk capacity
1,074 L
Payload
415 - 535 kg
Payload
359 - 360 kg

Engine and Performance
Engine Type
Diesel, Petrol
Engine Type
Electric
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Reduction Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive
Power HP
210 - 520 HP
Power HP
245 - 258 HP
Acceleration 0-100km/h
3.9 - 6.8 s
Acceleration 0-100km/h
7.6 - 7.8 s
Max Speed
-
Max Speed
175 km/h
Torque
470 - 600 Nm
Torque
320 Nm
Number of Cylinders
4 - 6
Number of Cylinders
-
Power kW
154 - 382 kW
Power kW
180 - 190 kW
Engine capacity
2,143 - 2,891 cm3
Engine capacity
-

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
E, G
CO2 Efficiency Class
A
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.