Global EV Comparison: BYD Atto 2 51.1 kWh vs Alfa Romeo Junior Elettrica 54 kWh

Side-by-side comparison of all specifications in metric units (km, kg). To see imperial units (mi, lb), switch website version to USA.
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General Info

Both vehicles are currently in production and can be purchased new. The BYD Atto 2 51.1 kWh (2025-…) has a starting price of €31990, compared to the Alfa Romeo Junior Elettrica 54 kWh (2024-...), which starts at €39500.

The two vehicles share the same body style: SUV.

Property BYD Atto 2 51.1 kWh Alfa Romeo Junior Elettrica 54 kWh
Years of Production 2025-… 2024-…
Current Status Produced Produced
Country of Manufacture China Poland
Body Style SUV SUV
Market Availability EU EU
Price Europe (New) €31990 €39500
Price Europe (Used) - Price Europe (Used) €37850
GCC Score 5.8 5.8

Range and Efficiency

The Alfa Romeo Junior Elettrica 54 kWh (2024-...) boasts a greater real-world range, a larger battery, and superior energy efficiency compared to the BYD Atto 2 51.1 kWh (2025-…).

Property BYD Atto 2 51.1 kWh Alfa Romeo Junior Elettrica 54 kWh
Range (WLTP) 312 km 410 km
Range (GCC) 265 km 353 km
Battery Capacity (Nominal) 51.1 kWh 54 kWh
Battery Capacity (Usable) 45.1 kWh 50.8 kWh
Efficiency per 100 km 17 kWh/100 km 14.4 kWh/100 km
Efficiency per kWh 5.88 km/kWh 6.95 km/kWh
Range and Efficiency Score 5.5 7.3

Charging

Both vehicles utilize a standard 400-volt architecture.

The Alfa Romeo Junior Elettrica 54 kWh (2024-...) offers faster charging speeds at DC stations, reaching up to 100 kW, while the BYD Atto 2 51.1 kWh (2025-…) maxes out at 65 kW.

Both vehicles are equipped with the same on-board charger, supporting a maximum AC charging power of 11 kW.

Property BYD Atto 2 51.1 kWh Alfa Romeo Junior Elettrica 54 kWh
Max Charging Power (AC) 11 kW 11 kW
Max Charging Power (DC) 65 kW 100 kW
Architecture 400 V 400 V
Charge Port CCS Type 2 CCS Type 2
Charging Score 5.4 5.4

Performance

Both vehicles are front-wheel drive.

The BYD Atto 2 51.1 kWh (2025-…) boasts greater motor power and accelerates faster from 0 to 100 km/h.

Property BYD Atto 2 51.1 kWh Alfa Romeo Junior Elettrica 54 kWh
Drive Type FWD FWD
Motor Type PMSM PMSM
Motor Power (kW) 130 kW 115 kW
Motor Power (hp) 174 hp 154 hp
Motor Torque 290 Nm 260 Nm
0-100 km/h 7.9 s 9 s
Top Speed 160 km/h 150 km/h
Performance Score 3.3 2.9

Dimensions

The BYD Atto 2 51.1 kWh (2025-…) is longer, wider, and taller.

The BYD Atto 2 51.1 kWh (2025-…) boasts a more extended wheelbase.

Property BYD Atto 2 51.1 kWh Alfa Romeo Junior Elettrica 54 kWh
Length 4310 mm 4173 mm
Width (with Mirrors) 2060 mm 1981 mm
Width (w/o Mirrors) 1830 mm 1781 mm
Height 1675 mm 1532 mm
Wheelbase 2620 mm 2562 mm

Cargo and Towing

While the trunks are the same size in both cars, the BYD Atto 2 51.1 kWh (2025-…) provides more cargo room when the rear seats are folded.

Neither car is equipped with a frunk (front trunk).

The BYD Atto 2 51.1 kWh (2025-…) has a towing capacity of up to 750 kg, whereas the Alfa Romeo Junior Elettrica 54 kWh (2024-...) is not officially rated for towing in the EU.

Property BYD Atto 2 51.1 kWh Alfa Romeo Junior Elettrica 54 kWh
Number of Seats 5 5
Curb Weight 1645 kg 1620 kg
Cargo Volume (Trunk) 400 l 400 l
Cargo Volume (Max) 1340 l 1265 l
Cargo Volume (Frunk) - Cargo Volume (Frunk) - Cargo Volume (Frunk)
Towing Capacity 750 kg - Towing Capacity
Cargo and Towing Score 6.4 5.1
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