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Audi A5 Sportback vs Alfa Romeo Giulia comparison

Compare performance (639 HP vs 520 HP), boot space and price (40,200 £ vs 48,000 £ ) at a glance. Find out which car is the better choice for you – Audi A5 Sportback or Alfa Romeo Giulia?

Audi A5 Sportback vs Alfa Romeo Giulia: Key differences

Audi A5 Sportback

  • somewhat cheaper
  • a bit more power
  • substantially more efficient
  • only slightly quicker 0–100 km/h
details

Alfa Romeo Giulia

4.1 (2 Reviews)
rate
  • barely lighter
  • markedly more trunk space
details

By Achim Sedelmaier

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

A5 Sportback

Costs and Efficiency:

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

Audi A5 Sportback is somewhat cheaper – starting at 40,200 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 7,800 £.

Fuel consumption also shows a difference: the Audi A5 Sportback uses 2 L/100km and is substantially more efficient than the Alfa Romeo Giulia with 5.4 L/100km. The difference is about 3.4 L/100km.

Giulia

Engine and Performance:

Power, torque and acceleration say a lot about how a car feels on the road. This is where you see which model delivers more driving dynamics.

When it comes to engine power, the Audi A5 Sportback offers a bit more power – delivering 639 HP compared to 520 HP. That’s roughly 119 HP more horsepower.

When accelerating from 0 to 100 km/h, the Audi A5 Sportback is only slightly quicker – completing the sprint in 3.7 s, while the Alfa Romeo Giulia takes 3.9 s. That’s about 0.2 s quicker.

There’s also a difference in torque: the Audi A5 Sportback delivers markedly more torque with 825 Nm compared to 600 Nm. That’s about 225 Nm more.

A5 Sportback

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, Alfa Romeo Giulia is barely lighter – 1,640 kg compared to 1,770 kg. The difference is around 130 kg.

Looking at boot space, the Alfa Romeo Giulia offers markedly more boot space – 480 L compared to 331 L. That’s a difference of about 149 L.

When it comes to payload, the Alfa Romeo Giulia carries very slightly more – 535 kg compared to 530 kg. That’s a difference of about 5 kg.

Who wins the race in the data check?

The Audi A5 Sportback holds a decisive overall lead 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 £40,200
A5 Sportback

Audi A5 Sportback

  • Engine Type : Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive, Front-Wheel Drive
  • Power HP : 150 - 639 HP
  • Consumption L/100km : 2 - 7.6 L/100km
  • Electric Range : 84 - 110 km
details

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Audi A5 Sportback

The Audi A5 Sportback dresses up sleek coupe proportions with the everyday sense of a practical hatchback, so you get striking looks without the compromises. Behind the wheel it balances poise and comfort with premium trimmings that make daily driving feel a little bit special — ideal for buyers who want style and substance in equal measure.

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Reviews Audi A5 Sportback

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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.

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Alfa Romeo Giulia

Costs and Consumption
Price
40,200 - 91,000 £
Price
48,000 - 88,300 £
Consumption L/100km
2 - 7.6 L/100km
Consumption L/100km
5.4 - 10.1 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
84 - 110 km
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
45 - 172 g/km
co2
141 - 229 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Hatchback
Body Type
Sedan
Seats
5
Seats
4 - 5
Doors
-
Doors
-
Curb weight
1,770 - 2,430 kg
Curb weight
1,640 - 1,735 kg
Trunk capacity
331 L
Trunk capacity
480 L
Length
-
Length
-
Width
1,860 - 1,952 mm
Width
1,860 - 1,874 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
475 - 530 kg
Payload
415 - 535 kg

Engine and Performance
Engine Type
Plugin Hybrid, Petrol, Diesel MHEV, Petrol MHEV
Engine Type
Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Front-Wheel Drive
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Power HP
150 - 639 HP
Power HP
210 - 520 HP
Acceleration 0-100km/h
3.7 - 9.8 s
Acceleration 0-100km/h
3.9 - 6.8 s
Max Speed
-
Max Speed
-
Torque
280 - 825 Nm
Torque
470 - 600 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4 - 6
Power kW
110 - 470 kW
Power kW
154 - 382 kW
Engine capacity
1,968 - 2,995 cm3
Engine capacity
2,143 - 2,891 cm3

General
Model Year
2,025 - 2,026
Model Year
2,025 - 2,026
CO2 Efficiency Class
B, E, F, D
CO2 Efficiency Class
E, G
Brand
Audi
Brand
Alfa Romeo
What drivetrain options does the Audi A5 Sportback have?

The Audi A5 Sportback is available as All-Wheel Drive or Front-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.