@ Alfa Romeo / Stellantis Media
@ Mercedes-Benz Group Media
VS

Alfa Romeo Junior vs Mercedes SL Class – Performance, range & efficiency compared

Compare performance, boot capacity, efficiency and price at a glance.
Find out which car is the better choice for you – Alfa Romeo Junior or Mercedes SL Class?

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

Junior @ Alfa Romeo / Stellantis Media

Costs and Efficiency:

Price and efficiency are key factors when choosing a car – and this is often where the real differences emerge.

Alfa Romeo Junior has a convincingly advantage in terms of price – it starts at 25700 £, while the Mercedes SL Class costs 112700 £. That’s a price difference of around 87033 £.

Fuel consumption also shows a difference: Alfa Romeo Junior manages with 4.80 L and is therefore significantly more efficient than the Mercedes SL Class with 9 L. The difference is about 4.20 L per 100 km.

As for range, the Alfa Romeo Junior performs convincingly better – achieving up to 410 km, about 398 km more than the Mercedes SL Class.

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 clearly edge – offering 816 HP compared to 280 HP. That’s roughly 536 HP more horsepower.

In acceleration from 0 to 100 km/h, the Mercedes SL Class is significantly quicker – completing the sprint in 2.90 s, while the Alfa Romeo Junior takes 5.90 s. That’s about 3 s faster.

In terms of top speed, the Mercedes SL Class performs clearly perceptible better – reaching 317 km/h, while the Alfa Romeo Junior tops out at 206 km/h. The difference is around 111 km/h.

There’s also a difference in torque: Mercedes SL Class pulls clearly stronger with 1420 Nm compared to 345 Nm. That’s about 1075 Nm difference.

Junior @ 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 Junior offers slightly more seating capacity – 5 vs 4.

In curb weight, Alfa Romeo Junior is clearly perceptible lighter – 1380 kg compared to 1810 kg. The difference is around 430 kg.

In terms of boot space, the Alfa Romeo Junior offers convincingly more room – 415 L compared to 240 L. That’s a difference of about 175 L.

When it comes to payload, Alfa Romeo Junior a bit takes the win – 420 kg compared to 375 kg. That’s a difference of about 45 kg.

Who comes out on top?

Overall, the Alfa Romeo Junior shows itself to be outperforms in nearly all aspects 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 £25,700
Junior @ Alfa Romeo / Stellantis Media

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
  • Consumption kWh/100km : 15.1 - 17.5 kWh
  • Electric Range : 344 - 410 km
details

Alfa Romeo Junior

5 (1)
rate

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 @ Alfa Romeo / Stellantis Media
AlfaRomeoJunior-Exterieur @ Alfa Romeo / Stellantis Media
AlfaRomeoJunior-Interieur @ Alfa Romeo / Stellantis Media

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.

details
15C1119_012 @ Mercedes-Benz Group Media
15C1119_029 @ Mercedes-Benz Group Media
15C1119_120 @ Mercedes-Benz Group Media
15C1119_004 @ Mercedes-Benz Group Media

Top Car Comparisons

@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Lexus / Toyota Motor Corporation
Lexus LBX
VS
The Alfa Romeo Junior charms with vintage Italian flair, razor-sharp steering and pure analogue drama — it’s for drivers who buy emotion first and practicality maybe later. The Lexus LBX, by contrast, is composed, tech-rich and absurdly sensible: a compact, efficient urban crossover for buyers who …
@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Jeep / Stellantis Media
Jeep Avenger
VS
In this exciting comparison, the Alfa Romeo Junior emerges as a stylish contender with its sleek Italian design and sporty performance, while the Jeep Avenger boasts rugged capabilities and an adventurous spirit. The Junior appeals to enthusiasts seeking a dynamic driving experience, whereas the …
Alfa Romeo Junior
Mercedes SL Class
Junior @ Alfa Romeo / Stellantis Media
SL Class @ Mercedes-Benz Group Media

Costs and Consumption
Price
25700 - 41600 £
Price
112700 - 219300 £
Consumption L/100km
4.8 - 5.4 L
Consumption L/100km
9 - 13.6 L
Consumption kWh/100km
15.1 - 17.5 kWh
Consumption kWh/100km
-
Electric Range
344 - 410 km
Electric Range
12 km
Battery Capacity
0.4 - 51 kWh
Battery Capacity
-
co2
0 - 119 g/km
co2
206 - 309 g/km
Fuel tank capacity
44 - 45 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
1380 - 1689 kg
Curb weight
1810 - 2195 kg
Trunk capacity
340 - 415 L
Trunk capacity
110 - 240 L
Length
4173 mm
Length
4697 - 4705 mm
Width
1781 mm
Width
1915 mm
Height
1505 - 1538 mm
Height
1354 - 1359 mm
Max trunk capacity
1205 - 1280 L
Max trunk capacity
-
Payload
390 - 420 kg
Payload
145 - 375 kg

Engine and Performance
Engine Type
Electric, Petrol MHEV
Engine Type
Petrol MHEV, Petrol, Plugin Hybrid
Transmission
Automatic
Transmission
Automatic
Transmission Detail
Dual-Clutch Automatic, Reduction Gearbox
Transmission Detail
Automatic Gearbox
Drive Type
Front-Wheel Drive, All-Wheel Drive
Drive Type
Rear-Wheel Drive, All-Wheel Drive
Power HP
136 - 280 HP
Power HP
381 - 816 HP
Acceleration 0-100km/h
5.9 - 9.1 s
Acceleration 0-100km/h
2.9 - 4.9 s
Max Speed
150 - 206 km/h
Max Speed
260 - 317 km/h
Torque
230 - 345 Nm
Torque
480 - 1420 Nm
Number of Cylinders
3
Number of Cylinders
4 - 8
Power kW
100 - 207 kW
Power kW
280 - 600 kW
Engine capacity
1199 cm3
Engine capacity
1991 - 3982 cm3

General
Model Year
2024 - 2025
Model Year
2025
CO2 Efficiency Class
A, C, D
CO2 Efficiency Class
G
Brand
Alfa Romeo
Brand
Mercedes-Benz

Similar Comparisons

@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Alfa Romeo / Stellantis Media
Alfa Romeo Tonale
VS
In the battle of modern Italian engineering, the Alfa Romeo Junior takes on the Alfa Romeo Tonale, showcasing distinct personalities within Alfa's lineup. The Junior dazzles with its classic style and sporty dynamics, appealing to purists and enthusiasts alike, while the Tonale offers a more …
@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Opel / Stellantis Media
Opel Mokka
VS
In this head-to-head comparison, the Alfa Romeo Junior showcases its sporty flair and Italian design, drawing attention with its bold lines and dynamic performance. Meanwhile, the Opel Mokka offers practicality and a comfortable ride, appealing to those seeking a versatile compact SUV with modern …
@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Fiat / Stellantis Media
Fiat 600
VS
In a head-to-head comparison, the Alfa Romeo Junior showcases its sporty heritage with a design that evokes the brand's racing roots, while the Fiat 600 delivers a charming and practical approach to urban driving. With a lively engine and nimble handling, the Junior appeals to enthusiasts looking …
@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Ford Motor Company / Ford Media Center
Ford Puma
VS
The Alfa Romeo Junior offers a stylish blend of Italian design and spirited performance, appealing to enthusiasts looking for a dynamic driving experience. In contrast, the Ford Puma impresses with its practicality and advanced technology features, making it a versatile choice for everyday use. …
@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Peugeot / Stellantis Media
Peugeot 2008
VS
In the latest comparison of compact SUVs, the Alfa Romeo Junior stands out with its striking design and sporty handling, making it a compelling choice for enthusiasts. On the other hand, the Peugeot 2008 offers a more practical approach, featuring a comfortable interior and advanced technology that …
@ BMW Group Press
BMW 8 Series Convertible
@ Mercedes-Benz Group Media
Mercedes SL Class
VS
The BMW 8 Series Convertible and Mercedes SL Class compete for the top spot in your garage. See how both models differ in key areas like performance, running costs, interior space and technology. A fast, clear comparison helps you pick the one that fits your needs best.
@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Nissan Motor Corporation
Nissan Juke
VS
In the competitive subcompact crossover segment, the Nissan Juke stands out with its bold styling and spirited performance, making it a favorite among urban drivers. Meanwhile, the Alfa Romeo Junior brings Italian flair and a sportier driving experience that is sure to attract enthusiasts seeking a …
@ Alfa Romeo / Stellantis Media
Alfa Romeo Junior
@ Toyota Motor Corporation
Toyota C-HR
VS
Unsure whether the Alfa Romeo Junior or the Toyota C-HR is the better match? Compare both models directly and discover differences in power, efficiency, comfort and value for money — all summarized in one easy view to support your decision.
What drive types are available for the Alfa Romeo Junior?

Available configurations include Front-Wheel Drive or 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.