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Alfa Romeo Giulia vs Audi A5 Avant comparison

Compare performance (520 HP vs 639 HP), boot space and price (48,000 £ vs 41,600 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Audi A5 Avant?

Alfa Romeo Giulia vs Audi A5 Avant: Key differences

Alfa Romeo Giulia

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

Audi A5 Avant

4.4 (1 Reviews)
rate
  • slightly cheaper
  • somewhat more power
  • substantially more efficient
  • marginally quicker 0–100 km/h
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.

Audi A5 Avant is slightly cheaper – starting at 41,600 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 6,386 £.

Fuel consumption also shows a difference: the Audi A5 Avant uses 2.1 L/100km and is substantially more efficient than the Alfa Romeo Giulia with 5.4 L/100km. The difference is about 3.3 L/100km.

A5 Avant

Engine and Performance:

Under the bonnet, it becomes clear which model is tuned for sportiness and which one takes the lead when you hit the accelerator.

When it comes to engine power, the Audi A5 Avant offers somewhat 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 Avant is marginally 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 Avant delivers visibly more torque with 825 Nm compared to 600 Nm. That’s about 225 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, Alfa Romeo Giulia is barely lighter – 1,640 kg compared to 1,785 kg. The difference is around 145 kg.

Looking at boot space, the Alfa Romeo Giulia offers noticeably more boot space – 480 L compared to 361 L. That’s a difference of about 119 L.

Maximum payload is identical – both can carry up to 535 kg.

Who wins the race in the data check?

The Audi A5 Avant 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 £41,600
A5 Avant

Audi A5 Avant

  • 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 : 2.1 - 7.7 L/100km
  • Electric Range : 83 - 108 km
details

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Alfa Romeo Giulia
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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.

Audi A5 Avant

The Audi A5 Avant dresses like a sleek coupe but carries like a sensible estate, offering buyers a rare blend of glamour and everyday practicality. Inside, the cabin feels beautifully sorted and the drive is composed and engaging, making routine errands feel a touch more enjoyable than they have any right to be.

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Reviews Audi A5 Avant

4.4 (1 Reviews)
rate
Hje
10 May 2026, 10:01:51

I do a lot of highway and generally long distance driving where A5 is superior to BMW 3.

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

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Alfa Romeo Giulia
Audi A5 Avant

Costs and Consumption
Price
48,000 - 88,300 £
Price
41,600 - 92,400 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
2.1 - 7.7 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
83 - 108 km
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
47 - 175 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Estate
Seats
4 - 5
Seats
5
Doors
-
Doors
-
Curb weight
1,640 - 1,735 kg
Curb weight
1,785 - 2,445 kg
Trunk capacity
480 L
Trunk capacity
361 L
Length
-
Length
-
Width
1,860 - 1,874 mm
Width
1,860 - 1,952 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
415 - 535 kg
Payload
480 - 535 kg

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

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