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Alfa Romeo Junior vs Mercedes A Class comparison

Compare performance (280 HP vs 421 HP), boot space and price (26,100 £ vs 32,600 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Junior or Mercedes A Class?

Alfa Romeo Junior vs Mercedes A Class: Key differences

Alfa Romeo Junior

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  • markedly cheaper
  • substantially more electric range
  • only slightly lighter
  • slightly more trunk space

Mercedes A Class

  • visibly more power
  • significantly more efficient
  • considerably quicker 0–100 km/h

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

Junior

Costs and Efficiency:

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

Alfa Romeo Junior is markedly cheaper – starting at 26,100 £ , while the Mercedes A Class costs 32,600 £ . That’s a price difference of around 6,468 £.

Fuel consumption also shows a difference: the Mercedes A Class uses 2.3 L/100km and is significantly more efficient than the Alfa Romeo Junior with 4.8 L/100km. The difference is about 2.5 L/100km.

As for electric range, the Alfa Romeo Junior offers substantially more range – reaching up to 410 km, about 325 km more than the Mercedes A Class.

A Class

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 A Class offers visibly more power – delivering 421 HP compared to 280 HP. That’s roughly 141 HP more horsepower.

When accelerating from 0 to 100 km/h, the Mercedes A Class is considerably quicker – completing the sprint in 3.9 s, while the Alfa Romeo Junior takes 5.9 s. That’s about 2 s quicker.

Looking at top speed, the Mercedes A Class is marginally faster – reaching 225 km/h, while the Alfa Romeo Junior tops out at 206 km/h. The difference is around 19 km/h.

There’s also a difference in torque: the Mercedes A Class delivers markedly more torque with 500 Nm compared to 345 Nm. That’s about 155 Nm more.

Junior

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, Alfa Romeo Junior is only slightly lighter – 1,380 kg compared to 1,440 kg. The difference is around 60 kg.

Looking at boot space, the Alfa Romeo Junior offers slightly more boot space – 415 L compared to 350 L. That’s a difference of about 65 L.

For maximum load capacity, the Alfa Romeo Junior offers slightly more capacity – up to 1,280 L, about 155 L more than the Mercedes A Class.

When it comes to payload, the Mercedes A Class carries a bit more – 485 kg compared to 420 kg. That’s a difference of about 65 kg.

Who wins the race in the data check?

The Mercedes A Class sits just 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 £32,600
A Class

Mercedes A Class

  • Engine Type : Plugin Hybrid, Petrol MHEV, Diesel, 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
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Costs and Consumption
View detailed analysis

Engine and Performance
View detailed analysis

Dimensions and Body
View detailed analysis

Alfa Romeo Junior

The Alfa Romeo Junior captures the essence of Italian design with its sleek lines and compact dimensions, making it an icon of elegance and performance. With a spirited driving experience and a charming retro aesthetic, it appeals to enthusiasts and casual drivers alike. This delightful car embodies the brand's rich heritage while remaining a fun and engaging option for those seeking a unique automotive experience.

details
AlfaRomeoJunior-Exterieur
AlfaRomeoJunior-Exterieur
AlfaRomeoJunior-Interieur

Reviews Alfa Romeo Junior

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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.

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18C0292_010
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18C0291_067
18C0122_04

Reviews Mercedes A Class

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Alfa Romeo Junior
Mercedes A Class

Costs and Consumption
Price
26,100 - 41,600 £
Price
32,600 - 66,500 £
Consumption L/100km
4.8 - 5.4 L/100km
Consumption L/100km
2.3 - 9 L/100km
Consumption kWh/100km
15.1 - 17.5 kWh/100km
Consumption kWh/100km
-
Electric Range
344 - 410 km
Electric Range
85 km
Battery Capacity
0.4 - 51 kWh
Battery Capacity
12.9 kWh
co2
0 - 119 g/km
co2
53 - 205 g/km
Fuel tank capacity
44 - 45 L
Fuel tank capacity
35 L

Dimensions and Body
Body Type
SUV
Body Type
Hatchback
Seats
5
Seats
5
Doors
5
Doors
5
Curb weight
1,380 - 1,689 kg
Curb weight
1,440 - 1,695 kg
Trunk capacity
340 - 415 L
Trunk capacity
310 - 350 L
Length
4,173 mm
Length
4,428 mm
Width
1,781 mm
Width
1,796 - 1,850 mm
Height
1,505 - 1,538 mm
Height
1,423 mm
Max trunk capacity
1,205 - 1,280 L
Max trunk capacity
1,125 L
Payload
390 - 420 kg
Payload
450 - 485 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Plugin Hybrid, Petrol MHEV, Diesel, Petrol
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Transmission Detail
Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Front-Wheel Drive, All-Wheel Drive
Power HP
136 - 280 HP
Power HP
116 - 421 HP
Acceleration 0-100km/h
5.9 - 9.1 s
Acceleration 0-100km/h
3.9 - 9.7 s
Max Speed
150 - 206 km/h
Max Speed
225 km/h
Torque
230 - 345 Nm
Torque
200 - 500 Nm
Number of Cylinders
3
Number of Cylinders
4
Power kW
107 - 207 kW
Power kW
85 - 310 kW
Engine capacity
1,199 cm3
Engine capacity
1,332 - 1,991 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,025
CO2 Efficiency Class
A, C, D
CO2 Efficiency Class
B, D, E, G
Brand
Alfa Romeo
Brand
Mercedes-Benz
What drivetrain options does the Alfa Romeo Junior have?

The Alfa Romeo Junior is offered with Front-Wheel Drive or 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.