Performance, power and 0-100 km/h
2025 Opel Astra PHEV 225 has the quicker recorded 0-100 km/h time at 7.5 seconds, compared with 7.8 seconds for 2025 BMW 1 Series 120. 2025 Opel Astra PHEV 225 has the higher listed output at 225 hp; 2025 BMW 1 Series 120 is rated at 170 hp, a difference of 55 hp. The torque figures follow 2025 Opel Astra PHEV 225 at 360 Nm and 2025 BMW 1 Series 120 at 280 Nm. These figures describe straight-line potential only; they do not establish braking performance, ride quality, steering response or durability under repeated hard use.
Range, battery, charging and efficiency
Range and energy-use figures are either not shared by both cars or not directly comparable across these powertrain types.
Dimensions, cargo space and towing
2025 BMW 1 Series 120 provides the larger quoted cargo volume: 380 litres versus 352 litres, a difference of 28 litres. 2025 Opel Astra PHEV 225 is 13 mm longer overall. Exterior size is not a benefit by itself: a longer body may create useful room, but cargo shape, rear-seat space and ease of parking still require a physical inspection.
Price and overall assessment
2025 BMW 1 Series 120 has the lower listed starting price at $38,800, compared with $40,200 for 2025 Opel Astra PHEV 225. The measured categories split evenly, so the better choice depends on which attributes matter most. The assessment is based on the specifications shown here; it is not presented as a two-car road test.