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Alfa Romeo Giulia vs Mercedes AMG GT comparison

Compare performance (210 HP vs 816 HP), boot space and price (48000 £ vs 102500 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Giulia or Mercedes AMG GT?

Alfa Romeo Giulia vs Mercedes AMG GT: Key differences

Alfa Romeo Giulia

4.1 (2 Reviews)
rate
  • clearly cheaper
  • clearly more efficient
  • hardly perceptible lighter

Mercedes AMG GT

  • clearly more power
  • decisively quicker from 0–100 km/h

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.

Alfa Romeo Giulia has a clearly advantage in terms of price – it starts at 48000 £ , while the Mercedes AMG GT costs 102500 £ . That’s a price difference of around 54504 £.

Fuel consumption also shows a difference: Alfa Romeo Giulia manages with 5.40 L and is therefore clearly more efficient than the Mercedes AMG GT with 10.30 L. The difference is about 4.90 L per 100 km.

AMG GT

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 Mercedes AMG GT has a clearly edge – offering 816 HP compared to 210 HP. That’s roughly 606 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes AMG GT is decisively quicker – completing the sprint in 2.80 s, while the Alfa Romeo Giulia takes 6.80 s. That’s about 4 s faster.

There’s also a difference in torque: Mercedes AMG GT pulls convincingly stronger with 1420 Nm compared to 470 Nm. That’s about 950 Nm difference.

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.

Seats: Alfa Romeo Giulia offers significantly more seating capacity – 5 vs 2.

In curb weight, Alfa Romeo Giulia is hardly perceptible lighter – 1640 kg compared to 1790 kg. The difference is around 150 kg.

When it comes to payload, Alfa Romeo Giulia convincingly takes the win – 535 kg compared to 215 kg. That’s a difference of about 320 kg.

Who wins the race in the data check?

The Mercedes AMG GT comes out ahead with a more balanced overall result 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.

Frequently compared as well

Alfa Romeo Giulia
BMW 4 Series Gran Coupe
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The Alfa Romeo Giulia and BMW 4 Series Gran Coupe compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Mercedes AMG GT
Mercedes SL Class
VS
The Mercedes AMG GT and Mercedes SL Class compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
Alfa Romeo Giulia
Mercedes AMG GT

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis
from about £102,500
AMG GT

Mercedes AMG GT

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 435 - 816 HP
  • Consumption L/100km : 10.3 - 14 L
  • Electric Range : 11 km
details

Alfa Romeo Giulia

4.1 (2 Reviews)
rate

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.

details
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Mercedes AMG GT

The Mercedes-AMG GT is a theatrical sports car with prowling looks and an aggressive exhaust note that announces its intentions the moment it fires up. It pairs ferocious performance with surprising everyday usability — a taut yet forgiving chassis and a cockpit that feels special — making sensible buyers suddenly very good at justifying indulgence.

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Reviews Alfa Romeo Giulia

4.1 (2 Reviews)
rate

Reviews Mercedes AMG GT

Alfa Romeo Giulia
Mercedes AMG GT

Costs and Consumption
Price
48000 - 52700 £
Price
102500 - 194400 £
Consumption L/100km
5.40 L
Consumption L/100km
10.3 - 14 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
11 km
Battery Capacity
-
Battery Capacity
-
co2
141 g/km
co2
235 - 319 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
Sedan
Body Type
Coupe
Seats
5
Seats
2
Doors
-
Doors
-
Curb weight
1640 kg
Curb weight
1790 - 2195 kg
Trunk capacity
480 L
Trunk capacity
-
Length
-
Length
-
Width
1860 mm
Width
1929 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 kg
Payload
170 - 215 kg

Engine and Performance
Engine Type
Diesel
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
210 HP
Power HP
435 - 816 HP
Acceleration 0-100km/h
6.80 s
Acceleration 0-100km/h
2.8 - 4.6 s
Max Speed
-
Max Speed
-
Torque
470 Nm
Torque
500 - 1420 Nm
Number of Cylinders
4
Number of Cylinders
4 - 8
Power kW
154 kW
Power kW
320 - 600 kW
Engine capacity
2143 cm3
Engine capacity
1991 - 3982 cm3

General
Model Year
2025
Model Year
2025
CO2 Efficiency Class
E
CO2 Efficiency Class
G
Brand
Alfa Romeo
Brand
Mercedes-Benz

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Is the Alfa Romeo Giulia offered with different drivetrains?

Available configurations include All-Wheel Drive.

The prices shown are estimates based on German list prices, adjusted for local VAT. Local registration taxes (e.g. NoVA, BPM or CO2 malus) are not included. This information is not legally binding.