@ Alfa Romeo / Stellantis Media
@ Mercedes-Benz Group Media
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Alfa Romeo Giulia vs Mercedes GLS – Which car suits you better?

Everyday use, family trips or long-distance drives – here’s where the differences show.
Discover whether Alfa Romeo Giulia or Mercedes GLS fits your lifestyle better.

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

Giulia @ Alfa Romeo / Stellantis Media

Costs and Efficiency:

Looking at overall running costs, both models reveal some interesting differences in everyday economy.

Alfa Romeo Giulia has a decisively advantage in terms of price – it starts at 48000 £, while the Mercedes GLS costs 96100 £. That’s a price difference of around 48120 £.

Fuel consumption also shows a difference: Alfa Romeo Giulia manages with 5.40 L and is therefore decisively more efficient than the Mercedes GLS with 7.80 L. The difference is about 2.40 L per 100 km.

GLS @ Mercedes-Benz Group Media

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 GLS has a decisively edge – offering 634 HP compared to 210 HP. That’s roughly 424 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes GLS is convincingly quicker – completing the sprint in 4.20 s, while the Alfa Romeo Giulia takes 6.80 s. That’s about 2.60 s faster.

In terms of top speed, the Mercedes GLS performs a bit better – reaching 280 km/h, while the Alfa Romeo Giulia tops out at 235 km/h. The difference is around 45 km/h.

There’s also a difference in torque: Mercedes GLS pulls decisively stronger with 850 Nm compared to 470 Nm. That’s about 380 Nm difference.

Giulia @ Alfa Romeo / Stellantis Media

Space and Everyday Use:

Whether family car or daily driver – which one offers more room, flexibility and comfort?

Seats: Mercedes GLS offers noticeable more seating capacity – 7 vs 5.

In curb weight, Alfa Romeo Giulia is decisively lighter – 1640 kg compared to 2550 kg. The difference is around 910 kg.

In terms of boot space, the Alfa Romeo Giulia offers clearly perceptible more room – 480 L compared to 355 L. That’s a difference of about 125 L.

When it comes to payload, Mercedes GLS noticeable takes the win – 695 kg compared to 535 kg. That’s a difference of about 160 kg.

Who comes out on top?

Overall, the Mercedes GLS shows itself to be dominates this comparison and secures the title of DriveDuel Champion.
It convinces with the more balanced overall package and proves to be the more versatile choice for everyday use.

from about £96,100
GLS @ Mercedes-Benz Group Media

Mercedes GLS

  • Engine Type : Petrol MHEV, Diesel MHEV
  • Transmission : Automatic
  • Drive Type : All-Wheel Drive
  • Power HP : 333 - 634 HP
  • Consumption L/100km : 7.8 - 13.7 L

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.

details

Mercedes GLS

The Mercedes-Benz GLS represents the epitome of luxury and spaciousness in the SUV category, offering a blend of refined elegance and advanced technology. With its imposing presence and meticulously crafted interior, it provides both driver and passengers with unparalleled comfort and sophistication. The vehicle's state-of-the-art features and smooth performance make it a standout choice for those seeking both style and functionality in their automotive experience.

details
Alfa Romeo Giulia
Mercedes GLS
Giulia @ Alfa Romeo / Stellantis Media
GLS @ Mercedes-Benz Group Media

Costs and Consumption

Price
48000 - 57000 £
Price
96100 - 208500 £
Consumption L/100km
5.40 L
Consumption L/100km
7.8 - 13.7 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
-
Battery Capacity
-
Battery Capacity
-
co2
141 g/km
co2
204 - 310 g/km
Fuel tank capacity
58 L
Fuel tank capacity
90 L

Dimensions and Body

Body Type
Sedan
Body Type
SUV
Seats
5
Seats
7
Doors
4
Doors
5
Curb weight
1640 kg
Curb weight
2550 - 2825 kg
Trunk capacity
480 L
Trunk capacity
355 L
Length
4650 mm
Length
5208 - 5233 mm
Width
1860 mm
Width
1956 mm
Height
1438 mm
Height
1782 - 1838 mm
Max trunk capacity
-
Max trunk capacity
2400 L
Payload
535 kg
Payload
445 - 695 kg

Engine and Performance

Engine Type
Diesel
Engine Type
Petrol MHEV, Diesel MHEV
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Automatic Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
All-Wheel Drive
Drive Type
All-Wheel Drive
Power HP
210 HP
Power HP
333 - 634 HP
Acceleration 0-100km/h
6.80 s
Acceleration 0-100km/h
4.2 - 6.7 s
Max Speed
235 km/h
Max Speed
238 - 280 km/h
Torque
470 Nm
Torque
500 - 850 Nm
Number of Cylinders
4
Number of Cylinders
6 - 8
Power kW
154 kW
Power kW
245 - 466 kW
Engine capacity
2143 cm3
Engine capacity
2989 - 3982 cm3

General

Model Year
2024 - 2025
Model Year
2024 - 2025
CO2 Efficiency Class
E
CO2 Efficiency Class
G
Brand
Alfa Romeo
Brand
Mercedes-Benz
Is the Alfa Romeo Giulia offered with different drivetrains?

Available configurations include All-Wheel Drive.

The prices and data displayed are estimates based on German list prices and may vary by country. This information is not legally binding.