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Alfa Romeo Giulia vs Audi A3 Sportback comparison

Compare performance (520 HP vs 400 HP), boot space and price (48,000 £ vs 27,000 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Audi A3 Sportback?

Alfa Romeo Giulia vs Audi A3 Sportback: Key differences

Alfa Romeo Giulia

4.1 (2 Reviews)
rate
  • noticeably more power
  • markedly more trunk space
details

Audi A3 Sportback

3.9 (1 Reviews)
rate
  • significantly cheaper
  • substantially more efficient
  • very slightly quicker 0–100 km/h
  • visibly lighter
details

By Achim Sedelmaier

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

Giulia

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.

Audi A3 Sportback is significantly cheaper – starting at 27,000 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 21,000 £.

Fuel consumption also shows a difference: the Audi A3 Sportback uses 1.1 L/100km and is substantially more efficient than the Alfa Romeo Giulia with 5.4 L/100km. The difference is about 4.3 L/100km.

A3 Sportback

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 noticeably more power – delivering 520 HP compared to 400 HP. That’s roughly 120 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A3 Sportback is very slightly quicker – completing the sprint in 3.8 s, while the Alfa Romeo Giulia takes 3.9 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Alfa Romeo Giulia delivers a bit more torque with 600 Nm compared to 500 Nm. That’s about 100 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, Audi A3 Sportback is visibly lighter – 1,360 kg compared to 1,640 kg. The difference is around 280 kg.

Looking at boot space, the Alfa Romeo Giulia offers markedly more boot space – 480 L compared to 380 L. That’s a difference of about 100 L.

When it comes to payload, the Alfa Romeo Giulia carries a bit more – 535 kg compared to 480 kg. That’s a difference of about 55 kg.

Who wins the race in the data check?

The Audi A3 Sportback 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 £27,000
A3 Sportback

Audi A3 Sportback

  • Engine Type : Petrol, Petrol MHEV, Diesel, Plugin Hybrid
  • Transmission : Manuel, Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 116 - 400 HP
  • Consumption L/100km : 1.1 - 9.3 L/100km
  • Electric Range : 134 - 141 km
details

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Costs and Consumption
View detailed analysis

Engine and Performance
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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.

Audi A3 Sportback

The Audi A3 Sportback wraps premium materials and crisp German design into a practical hatchback package that makes daily driving feel smart rather than showy. It’s nimble in the city, composed on longer trips, and carries just enough swagger to satisfy buyers who want quality without shouting about it.

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Reviews Audi A3 Sportback

3.9 (1 Reviews)
rate

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

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Alfa Romeo Giulia
Audi A3 Sportback

Costs and Consumption
Price
48,000 - 88,300 £
Price
27,000 - 92,900 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
1.1 - 9.3 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
134 - 141 km
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
25 - 211 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Hatchback
Seats
4 - 5
Seats
5
Doors
-
Doors
-
Curb weight
1,640 - 1,735 kg
Curb weight
1,360 - 1,685 kg
Trunk capacity
480 L
Trunk capacity
280 - 380 L
Length
-
Length
-
Width
1,860 - 1,874 mm
Width
1,816 - 1,851 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
415 - 535 kg
Payload
410 - 480 kg

Engine and Performance
Engine Type
Diesel, Petrol
Engine Type
Petrol, Petrol MHEV, Diesel, Plugin Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
210 - 520 HP
Power HP
116 - 400 HP
Acceleration 0-100km/h
3.9 - 6.8 s
Acceleration 0-100km/h
3.8 - 10.1 s
Max Speed
-
Max Speed
-
Torque
470 - 600 Nm
Torque
220 - 500 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 5
Power kW
154 - 382 kW
Power kW
85 - 294 kW
Engine capacity
2,143 - 2,891 cm3
Engine capacity
1,498 - 2,480 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
E, G
CO2 Efficiency Class
D, F, E, G, B
Brand
Alfa Romeo
Brand
Audi
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.