The 2025 Alfa Romeo Junior Ibrida Q4 is a subcompact crossover featuring a hybrid all-wheel-drive powertrain. It combines a 1.2-liter three-cylinder turbocharged internal combustion engine with a 48-volt mild-hybrid system. The system integrates two electric motors—one belt starter generator and one dedicated to the rear axle—powered by a 0.9 kWh lithium-ion battery operating at 48 volts.
The combined output is 145 horsepower, with a maximum torque of 230 Newton-meters. Power transmission is managed through a six-speed dual-clutch automatic transmission. The rear electric motor provides additional traction, enabling all-wheel drive functionality without a mechanical connection between axles.
Acceleration from 0 to 100 kilometers per hour is achieved in 9.1 seconds. The maximum speed is electronically limited to 200 kilometers per hour. The vehicle's curb weight is approximately 1,450 kilograms, depending on trim.
The Q4 system of the Alfa Romeo Junior Ibrida Q4 2025 is designed to provide continuous rear-axle support via what Alfa Romeo defines as a “Power Looping” function. This ensures that the rear electric motor remains active even during low battery charge conditions, by continuously drawing energy from the combustion engine to stabilize battery voltage.
Fuel consumption, according to WLTP combined cycle, ranges between 4.8 and 5.3 liters per 100 kilometers. CO₂ emissions fall between 109 and 119 grams per kilometer. The powertrain complies with Euro 6e emissions standards.
The chassis adopts a MacPherson strut suspension system at the front and a multi-link independent suspension at the rear. Braking is handled by a four-disc system with electronic stability control, anti-lock braking, and regenerative braking support from the hybrid system.
The drive mode selector, labeled “DNA,” offers four configurations: Dynamic, Natural, Q4, and Advanced Efficiency. Each mode alters throttle response, gearshift logic, and the interaction between the front and rear propulsion systems to optimize performance, economy, or traction depending on driving conditions.
Cargo volume is rated at 415 liters. The Alfa Romeo Junior Ibrida Q4 2025 is built on the eCMP platform, which allows modular adaptation of combustion, hybrid, and fully electric powertrains. The Q4 variant is optimized for low drag and weight distribution within the platform’s constraints.
The infotainment system includes a 10.25-inch digital instrument panel and a central 10.25-inch touchscreen. Connectivity includes Apple CarPlay and Android Auto support.
This configuration positions the Alfa Romeo Junior Ibrida Q4 as a hybrid all-wheel-drive system with emphasis on mechanical simplicity, energy recovery, and optimized traction under variable conditions.
Technical Specifications – Alfa Romeo Junior Ibrida Q4 (2025)
Powertrain
Internal Combustion Engine (ICE):
Type: 1.2L 3-cylinder turbocharged petrol
Displacement: 1,199 cc
Maximum Power: Approx. 100 hp
Emissions Standard: Euro 6e
Electric Motor System:
Type: 48V Belt Starter Generator and Rear Axle Electric Motor
Rear Motor Output: 30 kW, 41 hp
Battery Type: Lithium-ion
Battery Capacity: 0.9 kWh
Voltage: 48 V
Combined System Output:
Total Power: 145 hp, 107 kW
Total Torque: 230 Nm
Transmission:
Type: 6-speed Dual-Clutch Automatic
Drivetrain:
Configuration: Q4 All-Wheel Drive
System: Electric rear axle with Power Looping function
Performance
0–100 km/h Acceleration: 9.1 seconds
Top Speed: 200 km/h
Fuel Efficiency and Emissions
Fuel Consumption WLTP Combined: 4.8 – 5.3 L/100 km
CO₂ Emissions WLTP Combined: 109 – 119 g/km
Chassis & Suspension
Front Suspension: MacPherson strut
Rear Suspension: Multi-link independent
Braking System: Ventilated front and solid rear discs with regenerative braking
Dimensions & Capacities
Length: 4,170 mm
Width: 1,780 mm
Height: 1,530 mm
Wheelbase: 2,560 mm
Boot Capacity: 415 liters
Curb Weight: 1,450 kg
Drive Modes
Modes Available: Dynamic, Natural, Q4, Advanced Efficiency
Functionality: Adjusts throttle response, drivetrain behavior, and regenerative braking
Technology & Infotainment
Digital Instrument Cluster: 10.25-inch
Central Touchscreen Display: 10.25-inch
Connectivity: Apple CarPlay, Android Auto
Driver Assistance: Level 2 Advanced Driving Assistance Systems
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