@ Alfa Romeo / Stellantis Media
@ Mercedes-Benz Group Media
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Alfa Romeo Stelvio vs Mercedes SL Class – Which model is better for everyday use?

Both models have their strengths – but which one suits you more?
Compare performance, efficiency, price and space directly: Alfa Romeo Stelvio or Mercedes SL Class?

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

Stelvio @ Alfa Romeo / Stellantis Media

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 Stelvio has a clearly advantage in terms of price – it starts at 51900 £, while the Mercedes SL Class costs 112700 £. That’s a price difference of around 60762 £.

Fuel consumption also shows a difference: Alfa Romeo Stelvio manages with 6 L and is therefore convincingly more efficient than the Mercedes SL Class with 9 L. The difference is about 3 L per 100 km.

SL Class @ Mercedes-Benz Group Media

Engine and Performance:

Power, torque and acceleration are the classic benchmarks for car enthusiasts – and here, some clear differences start to show.

When it comes to engine power, the Mercedes SL Class has a convincingly 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 SL Class is clearly quicker – completing the sprint in 2.90 s, while the Alfa Romeo Stelvio takes 6.60 s. That’s about 3.70 s faster.

In terms of top speed, the Mercedes SL Class performs clearly perceptible better – reaching 317 km/h, while the Alfa Romeo Stelvio tops out at 215 km/h. The difference is around 102 km/h.

There’s also a difference in torque: Mercedes SL Class pulls decisively stronger with 1420 Nm compared to 470 Nm. That’s about 950 Nm difference.

Stelvio @ Alfa Romeo / Stellantis Media

Space and Everyday Use:

Cabin size, boot volume and payload all play a role in everyday practicality. Here, comfort and flexibility make the difference.

Seats: Alfa Romeo Stelvio offers a bit more seating capacity – 5 vs 4.

In curb weight, Mercedes SL Class is barely noticeable lighter – 1810 kg compared to 1820 kg. The difference is around 10 kg.

In terms of boot space, the Alfa Romeo Stelvio offers decisively more room – 525 L compared to 240 L. That’s a difference of about 285 L.

When it comes to payload, Alfa Romeo Stelvio evident takes the win – 590 kg compared to 375 kg. That’s a difference of about 215 kg.

Who wins the race?

The Mercedes SL Class proves to be outperforms in nearly all aspects and therefore becomes our DriveDuel Champion!
Mercedes SL Class is the better all-rounder in this comparison.

from about £112,700
SL Class @ Mercedes-Benz Group Media

Mercedes SL Class

  • Engine Type : Petrol MHEV, Petrol, Plugin Hybrid
  • Transmission : Automatic
  • Drive Type : Rear-Wheel Drive, All-Wheel Drive
  • Power HP : 381 - 816 HP
  • Consumption L/100km : 9 - 13.6 L
  • Electric Range : 12 km

Alfa Romeo Stelvio

5 (1)
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The Alfa Romeo Stelvio combines Italian artistry with sporty performance, making it a standout in the SUV market. Its dynamic design captures the essence of elegance and agility, while the interior offers a driver-focused experience that enhances every journey. With a perfect blend of luxury and power, the Stelvio is ideal for those seeking both style and substance on the road.

details

Mercedes SL Class

The Mercedes-Benz SL-Class embodies a perfect fusion of performance and luxury, offering a driving experience that is both exhilarating and refined. Its sleek and aerodynamic design ensures a commanding presence on the road, while the sumptuous interior provides unparalleled comfort and cutting-edge technology. With a heritage of engineering excellence, this model stands as a testament to Mercedes-Benz's commitment to innovation and craftsmanship.

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Alfa Romeo Stelvio
Mercedes SL Class
Stelvio @ Alfa Romeo / Stellantis Media
SL Class @ Mercedes-Benz Group Media

Costs and Consumption

Price
51900 - 60900 £
Price
112700 - 219300 £
Consumption L/100km
6 L
Consumption L/100km
9 - 13.6 L
Consumption kWh/100km
-
Consumption kWh/100km
-
Electric Range
-
Electric Range
12 km
Battery Capacity
-
Battery Capacity
-
co2
157 g/km
co2
206 - 309 g/km
Fuel tank capacity
58 L
Fuel tank capacity
70 L

Dimensions and Body

Body Type
SUV
Body Type
Roadster
Seats
5
Seats
4
Doors
5
Doors
2
Curb weight
1820 kg
Curb weight
1810 - 2195 kg
Trunk capacity
525 L
Trunk capacity
110 - 240 L
Length
4687 mm
Length
4697 - 4705 mm
Width
1903 mm
Width
1915 mm
Height
1693 mm
Height
1354 - 1359 mm
Max trunk capacity
1600 L
Max trunk capacity
-
Payload
590 kg
Payload
145 - 375 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
381 - 816 HP
Acceleration 0-100km/h
6.60 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
215 km/h
Max Speed
260 - 317 km/h
Torque
470 Nm
Torque
480 - 1420 Nm
Number of Cylinders
4
Number of Cylinders
4 - 8
Power kW
154 kW
Power kW
280 - 600 kW
Engine capacity
2143 cm3
Engine capacity
1991 - 3982 cm3

General

Model Year
2024 - 2025
Model Year
2025
CO2 Efficiency Class
F
CO2 Efficiency Class
G
Brand
Alfa Romeo
Brand
Mercedes-Benz
What drivetrain options does the Alfa Romeo Stelvio have?

The Alfa Romeo Stelvio is available as 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.