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Alfa Romeo Giulia vs Mercedes A Class comparison

Compare performance (520 HP vs 421 HP), boot space and price (48,000 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Mercedes A Class?

Alfa Romeo Giulia vs Mercedes A Class: Key differences

Alfa Romeo Giulia

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

Mercedes A Class

2.7 (1 Reviews)
rate
  • significantly cheaper
  • significantly more efficient
  • moderately lighter
details

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.

Mercedes A Class is significantly cheaper – starting at 32,600 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 15,432 £.

Fuel consumption also shows a difference: the Mercedes A Class uses 2.3 L/100km and is significantly more efficient than the Alfa Romeo Giulia with 5.4 L/100km. The difference is about 3.1 L/100km.

A Class

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 Alfa Romeo Giulia offers somewhat more power – delivering 520 HP compared to 421 HP. That’s roughly 99 HP more horsepower.

Both models accelerate almost equally fast – 3.9 s from 0 to 100 km/h.

There’s also a difference in torque: the Alfa Romeo Giulia delivers slightly more torque with 600 Nm compared to 500 Nm. That’s about 100 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, Mercedes A Class is moderately lighter – 1,440 kg compared to 1,640 kg. The difference is around 200 kg.

Looking at boot space, the Alfa Romeo Giulia offers noticeably more boot space – 480 L compared to 350 L. That’s a difference of about 130 L.

When it comes to payload, the Alfa Romeo Giulia carries marginally more – 535 kg compared to 485 kg. That’s a difference of about 50 kg.

Who wins the race in the data check?

The Mercedes A Class 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 £32,600
A Class

Mercedes A Class

  • Engine Type Petrol MHEV, Diesel, Plugin Hybrid, Petrol
  • Transmission Automatic
  • Drive Type Front-Wheel Drive, All-Wheel Drive
  • Power HP 116 - 421 HP
  • Consumption L/100km 2.3 - 9 L/100km
  • Electric Range 85 km
details

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Alfa Romeo Giulia
Mercedes A Class

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.

Mercedes A Class

The Mercedes A‑Class arrives as a compact charmer that dresses premium materials and a cockpit full of screens in a tidy, city-friendly package, delivering surprising agility and poise. For buyers who want a luxury badge, clever tech and a car that's equally happy in tight streets or on a spirited country run, the A‑Class offers a grown-up feel with a cheeky streak.

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Reviews Mercedes A Class

2.7 (1 Reviews)
rate

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

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Alfa Romeo Giulia
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Alfa Romeo Giulia
Mercedes A Class

Costs and Consumption
Price
48,000 - 88,300 £
Price
32,600 - 66,500 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
2.3 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
85 km
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
53 - 205 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
1,440 - 1,695 kg
Trunk capacity
480 L
Trunk capacity
310 - 350 L
Length
-
Length
-
Width
1,860 - 1,874 mm
Width
1,796 - 1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
415 - 535 kg
Payload
450 - 485 kg

Engine and Performance
Engine Type
Diesel, Petrol
Engine Type
Petrol MHEV, Diesel, Plugin Hybrid, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
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 - 421 HP
Acceleration 0-100km/h
3.9 - 6.8 s
Acceleration 0-100km/h
3.9 - 9.7 s
Max Speed
-
Max Speed
-
Torque
470 - 600 Nm
Torque
200 - 500 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
154 - 382 kW
Power kW
85 - 310 kW
Engine capacity
2,143 - 2,891 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,025 - 2,026
Model Year
2025
CO2 Efficiency Class
E, G
CO2 Efficiency Class
D, E, B, G
Brand
Alfa Romeo
Brand
Mercedes-Benz
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.