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Alfa Romeo Giulia vs Mazda 6 Estate comparison

Compare performance (520 HP vs 194 HP), boot space and price (48,000 £ vs 30,000 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Mazda 6 Estate?

Alfa Romeo Giulia vs Mazda 6 Estate: Key differences

Alfa Romeo Giulia

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

Mazda 6 Estate

4.9 (2 Reviews)
rate
  • clearly cheaper
  • a bit lighter
  • only slightly more trunk space
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:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mazda 6 Estate is clearly cheaper – starting at 30,000 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 18,000 £.

Fuel consumption also shows a difference: the Alfa Romeo Giulia uses 5.4 L/100km and is visibly more efficient than the Mazda 6 Estate with 6.8 L/100km. The difference is about 1.4 L/100km.

6 Estate

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 194 HP. That’s roughly 326 HP more horsepower.

When accelerating from 0 to 100 km/h, the Alfa Romeo Giulia is considerably quicker – completing the sprint in 3.9 s, while the Mazda 6 Estate takes 8.1 s. That’s about 4.2 s quicker.

There’s also a difference in torque: the Alfa Romeo Giulia delivers substantially more torque with 600 Nm compared to 258 Nm. That’s about 342 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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mazda 6 Estate is a bit lighter – 1,475 kg compared to 1,640 kg. The difference is around 165 kg.

Looking at boot space, the Mazda 6 Estate offers only slightly more boot space – 522 L compared to 480 L. That’s a difference of about 42 L.

When it comes to payload, the Mazda 6 Estate carries marginally more – 571 kg compared to 535 kg. That’s a difference of about 36 kg.

Who wins the race in the data check?

The Alfa Romeo Giulia is decisively ahead 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

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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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fca_germany_alfa_romeo_giulia_quadrifoglio_my2020_063-5ed6059fd7bec

Reviews Alfa Romeo Giulia

3.8 (3 Reviews)
rate

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

Mazda 6 Estate

The Mazda 6 Estate marries elegant, flowing design with everyday practicality, so you get a grown-up wagon that still looks the part on a weekend escape. It rewards drivers with poised handling and a nicely finished cabin, proving that sensible family cars can be engaging — and a little bit cheeky — too.

details
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Reviews Mazda 6 Estate

4.9 (2 Reviews)
rate
Kai
14 Jul 2026, 09:51:17

Very stylish and robust car that's consistently comfortable even on long journeys.

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 6 Estate

Costs and Consumption
Price
48,000 - 88,300 £
Price
30,000 - 43,500 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
6.8 - 7.6 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
155 - 172 g/km
Fuel tank capacity
-
Fuel tank capacity
62 L

Dimensions and Body
Body Type
Sedan
Body Type
Estate
Seats
4 - 5
Seats
5
Doors
-
Doors
5
Curb weight
1,640 - 1,735 kg
Curb weight
1,475 - 1,598 kg
Trunk capacity
480 L
Trunk capacity
522 L
Length
-
Length
4,805 mm
Width
1,860 - 1,874 mm
Width
1,840 mm
Height
-
Height
1,480 mm
Max trunk capacity
-
Max trunk capacity
1,664 L
Payload
415 - 535 kg
Payload
483 - 571 kg

Engine and Performance
Engine Type
Diesel, Petrol
Engine Type
Petrol
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
Power HP
210 - 520 HP
Power HP
145 - 194 HP
Acceleration 0-100km/h
3.9 - 6.8 s
Acceleration 0-100km/h
8.1 - 10.7 s
Max Speed
-
Max Speed
205 - 223 km/h
Torque
470 - 600 Nm
Torque
213 - 258 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
154 - 382 kW
Power kW
107 - 143 kW
Engine capacity
2,143 - 2,891 cm3
Engine capacity
1,998 - 2,488 cm3

General
Model Year
2,025 - 2,026
Model Year
2,021 - 2,022
CO2 Efficiency Class
E, G
CO2 Efficiency Class
E, F
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.