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Alfa Romeo Giulia vs Mercedes C Class Sedan comparison

Compare performance (520 HP vs 680 HP), boot space and price (48,000 £ vs 41,300 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Mercedes C Class Sedan?

Alfa Romeo Giulia vs Mercedes C Class Sedan: Key differences

Alfa Romeo Giulia

4.1 (2 Reviews)
rate
  • barely lighter
  • marginally more trunk space
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Mercedes C Class Sedan

  • slightly cheaper
  • markedly more power
  • noticeably more efficient
  • a bit quicker 0–100 km/h
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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 C Class Sedan is slightly cheaper – starting at 41,300 £ , while the Alfa Romeo Giulia costs 48,000 £ . That’s a price difference of around 6,675 £.

Fuel consumption also shows a difference: the Mercedes C Class Sedan uses 4.5 L/100km and is noticeably more efficient than the Alfa Romeo Giulia with 5.4 L/100km. The difference is about 0.9 L/100km.

C Class Sedan

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 Mercedes C Class Sedan offers markedly more power – delivering 680 HP compared to 520 HP. That’s roughly 160 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes C Class Sedan is a bit quicker – completing the sprint in 3.4 s, while the Alfa Romeo Giulia takes 3.9 s. That’s about 0.5 s quicker.

There’s also a difference in torque: the Mercedes C Class Sedan delivers considerably more torque with 1,020 Nm compared to 600 Nm. That’s about 420 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, Alfa Romeo Giulia is barely lighter – 1,640 kg compared to 1,695 kg. The difference is around 55 kg.

Looking at boot space, the Alfa Romeo Giulia offers marginally more boot space – 480 L compared to 455 L. That’s a difference of about 25 L.

When it comes to payload, the Mercedes C Class Sedan carries only slightly more – 570 kg compared to 535 kg. That’s a difference of about 35 kg.

Who wins the race in the data check?

The Mercedes C Class Sedan is far ahead 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 £41,300
C Class Sedan

Mercedes C Class Sedan

  • Engine Type : Petrol MHEV, Diesel MHEV, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 183 - 680 HP
  • Consumption L/100km : 4.5 - 9 L/100km
  • Electric Range : 11 km
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Alfa Romeo Giulia
Mercedes C Class Sedan

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 C Class Sedan

The Mercedes C‑Class is the compact executive that dresses like it owns the boulevard, with an interior that blends modern elegance and plush comfort to make everyday driving feel unexpectedly special. On the road it pairs poise with a hint of cheeky agility, rewarding drivers who want refinement without forfeiting a touch of fun — and yes, it still looks great in the driveway.

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Reviews Mercedes C Class Sedan

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

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Alfa Romeo Giulia
Mercedes C Class Sedan

Costs and Consumption
Price
48,000 - 88,300 £
Price
41,300 - 103,400 £
Consumption L/100km
5.4 - 10.1 L/100km
Consumption L/100km
4.5 - 9 L/100km
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
141 - 229 g/km
co2
119 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Sedan
Seats
4 - 5
Seats
5
Doors
-
Doors
-
Curb weight
1,640 - 1,735 kg
Curb weight
1,695 - 2,165 kg
Trunk capacity
480 L
Trunk capacity
455 L
Length
-
Length
-
Width
1,860 - 1,874 mm
Width
1,820 - 1,900 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
415 - 535 kg
Payload
485 - 570 kg

Engine and Performance
Engine Type
Diesel, Petrol
Engine Type
Petrol MHEV, Diesel MHEV, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive, Rear-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
210 - 520 HP
Power HP
183 - 680 HP
Acceleration 0-100km/h
3.9 - 6.8 s
Acceleration 0-100km/h
3.4 - 8.6 s
Max Speed
-
Max Speed
-
Torque
470 - 600 Nm
Torque
250 - 1,020 Nm
Number of Cylinders
4 - 6
Number of Cylinders
4
Power kW
154 - 382 kW
Power kW
135 - 500 kW
Engine capacity
2,143 - 2,891 cm3
Engine capacity
1,496 - 1,999 cm3

General
Model Year
2,025 - 2,026
Model Year
2,024 - 2,025
CO2 Efficiency Class
E, G
CO2 Efficiency Class
E, D, 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.