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Alfa Romeo Junior vs Porsche 911 Convertible comparison

Compare performance (280 HP vs 711 HP), boot space and price (26,100 £ vs 138,000 £ ) at a glance. Find out which car is the better choice for you – Alfa Romeo Junior or Porsche 911 Convertible?

Alfa Romeo Junior vs Porsche 911 Convertible: Key differences

Alfa Romeo Junior

5 (1 Reviews)
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  • significantly cheaper
  • significantly more efficient
  • moderately lighter
  • clearly more trunk space
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Porsche 911 Convertible

  • significantly more power
  • substantially quicker 0–100 km/h
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By Achim Sedelmaier

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

Junior

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.

Alfa Romeo Junior is significantly cheaper – starting at 26,100 £ , while the Porsche 911 Convertible costs 138,000 £ . That’s a price difference of around 111,900 £.

Fuel consumption also shows a difference: the Alfa Romeo Junior uses 4.8 L/100km and is significantly more efficient than the Porsche 911 Convertible with 10.5 L/100km. The difference is about 5.7 L/100km.

911 Convertible

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 Porsche 911 Convertible offers significantly more power – delivering 711 HP compared to 280 HP. That’s roughly 431 HP more horsepower.

When accelerating from 0 to 100 km/h, the Porsche 911 Convertible is substantially quicker – completing the sprint in 2.6 s, while the Alfa Romeo Junior takes 5.9 s. That’s about 3.3 s quicker.

Looking at top speed, the Porsche 911 Convertible is markedly faster – reaching 293 km/h, while the Alfa Romeo Junior tops out at 206 km/h. The difference is around 87 km/h.

There’s also a difference in torque: the Porsche 911 Convertible delivers considerably more torque with 800 Nm compared to 345 Nm. That’s about 455 Nm more.

Junior

Space and Everyday Use:

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

Seats: Alfa Romeo Junior offers more seats – 5 vs 4.

In terms of curb weight, Alfa Romeo Junior is moderately lighter – 1,380 kg compared to 1,655 kg. The difference is around 275 kg.

Looking at boot space, the Alfa Romeo Junior offers clearly more boot space – 415 L compared to 163 L. That’s a difference of about 252 L.

When it comes to payload, the Alfa Romeo Junior carries slightly more – 420 kg compared to 345 kg. That’s a difference of about 75 kg.

Who wins the race in the data check?

The Alfa Romeo Junior stands well ahead of its rival 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 £26,100
Junior

Alfa Romeo Junior

  • Engine Type : Electric, Petrol MHEV
  • Transmission : Automatic
  • Drive Type : Front-Wheel Drive, All-Wheel Drive
  • Power HP : 136 - 280 HP
  • Consumption L/100km : 4.8 - 5.4 L/100km
  • Consumption kWh/100km : 15.1 - 17.5 kWh/100km
  • Electric Range : 344 - 410 km
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Porsche 911 Convertible

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.

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AlfaRomeoJunior-Exterieur
AlfaRomeoJunior-Exterieur
AlfaRomeoJunior-Interieur

Reviews Alfa Romeo Junior

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Porsche 911 Convertible

The Porsche 911 Cabriolet transforms the iconic silhouette into an open‑air weapon, offering roof-down glamour and razor-sharp handling that still feels perfectly composed on normal roads. It’s the kind of car that serves daily duties with surprising ease while delivering intoxicating engine music and a grin factor that makes every trip feel like a small victory.

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Porsche 911 Convertible

Costs and Consumption
Price
26,100 - 41,600 £
Price
138,000 - 244,500 £
Consumption L/100km
4.8 - 5.4 L/100km
Consumption L/100km
10.5 - 11.7 L/100km
Consumption kWh/100km
15.1 - 17.5 kWh/100km
Consumption kWh/100km
-
Electric Range
344 - 410 km
Electric Range
-
Battery Capacity
0.4 - 51 kWh
Battery Capacity
-
co2
0 - 119 g/km
co2
237 - 265 g/km
Fuel tank capacity
44 - 45 L
Fuel tank capacity
63 L

Dimensions and Body
Body Type
SUV
Body Type
Convertible
Seats
5
Seats
4
Doors
5
Doors
2
Curb weight
1,380 - 1,689 kg
Curb weight
1,655 - 1,900 kg
Trunk capacity
340 - 415 L
Trunk capacity
163 L
Length
4,173 mm
Length
4,542 mm
Width
1,781 mm
Width
1,852 - 1,900 mm
Height
1,505 - 1,538 mm
Height
1,292 mm
Max trunk capacity
1,205 - 1,280 L
Max trunk capacity
-
Payload
390 - 420 kg
Payload
275 - 345 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Petrol, Full Hybrid
Transmission
Automatic
Transmission
Manuel, Automatic
Transmission Detail
Reduction Gearbox, Dual-Clutch Automatic
Transmission Detail
Manual Gearbox, Dual-Clutch Automatic
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
136 - 280 HP
Power HP
394 - 711 HP
Acceleration 0-100km/h
5.9 - 9.1 s
Acceleration 0-100km/h
2.6 - 4.7 s
Max Speed
150 - 206 km/h
Max Speed
293 km/h
Torque
230 - 345 Nm
Torque
450 - 800 Nm
Number of Cylinders
3
Number of Cylinders
6
Power kW
107 - 207 kW
Power kW
290 - 523 kW
Engine capacity
1,199 cm3
Engine capacity
2,981 - 3,591 cm3

General
Model Year
2,024 - 2,025
Model Year
2,024 - 2,026
CO2 Efficiency Class
A, C, D
CO2 Efficiency Class
G
Brand
Alfa Romeo
Brand
Porsche
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.