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Alfa Romeo Stelvio vs Mercedes A Class comparison

Compare performance (520 HP vs 421 HP), boot space and price (51,900 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Stelvio or Mercedes A Class?

Alfa Romeo Stelvio vs Mercedes A Class: Key differences

Alfa Romeo Stelvio

4.5 (2 Reviews)
rate
  • moderately more power
  • marginally quicker 0–100 km/h
  • markedly more trunk space
details

Mercedes A Class

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

All details on performance, efficiency, range and trunk space can be found in the technical comparison below – including user reviews for both models.

By Achim Sedelmaier

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

Stelvio

Costs and Efficiency:

Price and efficiency are often the first things buyers look at. Here it becomes clear which model has the long-term edge – whether at the pump, the plug, or in purchase price.

Mercedes A Class is significantly cheaper – starting at 32,600 £ , while the Alfa Romeo Stelvio costs 51,900 £ . That’s a price difference of around 19,374 £.

Fuel consumption also shows a difference: the Mercedes A Class uses 2.3 L/100km and is clearly more efficient than the Alfa Romeo Stelvio with 6 L/100km. The difference is about 3.7 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 Stelvio offers moderately more power – delivering 520 HP compared to 421 HP. That’s roughly 99 HP more horsepower.

When accelerating from 0 to 100 km/h, the Alfa Romeo Stelvio is marginally quicker – completing the sprint in 3.8 s, while the Mercedes A Class takes 3.9 s. That’s about 0.1 s quicker.

There’s also a difference in torque: the Alfa Romeo Stelvio delivers slightly more torque with 600 Nm compared to 500 Nm. That’s about 100 Nm more.

Stelvio

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.

Both vehicles offer seating for 5 people.

In terms of curb weight, Mercedes A Class is clearly lighter – 1,440 kg compared to 1,820 kg. The difference is around 380 kg.

Looking at boot space, the Alfa Romeo Stelvio offers markedly more boot space – 525 L compared to 350 L. That’s a difference of about 175 L.

When it comes to payload, the Alfa Romeo Stelvio carries a bit more – 590 kg compared to 485 kg. That’s a difference of about 105 kg.

Who wins the race in the data check?

The Mercedes A Class holds a decisive overall lead 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

Frequently compared as well

Mercedes A Class
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Alfa Romeo Stelvio
Mercedes A Class

Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Alfa Romeo Stelvio

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.

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Reviews Alfa Romeo Stelvio

4.5 (2 Reviews)
rate
Graham
26 May 2026, 13:31:02

Style & finish

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.

details
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18C0292_010
18C0292_042
18C0291_067
18C0122_04

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 Stelvio
Mercedes A Class

Costs and Consumption
Price
51,900 - 93,300 £
Price
32,600 - 66,500 £
Consumption L/100km
6 - 11.8 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
157 - 267 g/km
co2
53 - 205 g/km
Fuel tank capacity
-
Fuel tank capacity
-

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
-
Doors
-
Curb weight
1,820 - 1,925 kg
Curb weight
1,440 - 1,695 kg
Trunk capacity
525 L
Trunk capacity
310 - 350 L
Length
-
Length
-
Width
1,903 - 1,955 mm
Width
1,796 - 1,850 mm
Height
-
Height
-
Max trunk capacity
-
Max trunk capacity
-
Payload
535 - 590 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
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
210 - 520 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
3.8 - 6.6 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
F, G
CO2 Efficiency Class
D, E, B, G
Brand
Alfa Romeo
Brand
Mercedes-Benz
Is the Alfa Romeo Stelvio offered with different drivetrains?

The Alfa Romeo Stelvio is offered with All-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.