Performance, power and 0-100 km/h
2025 Mercedes-Benz A-Class A 250 has the quicker recorded 0-100 km/h time at 6.2 seconds, compared with 7.8 seconds for 2025 BMW 1 Series 120. 2025 Mercedes-Benz A-Class A 250 has the higher listed output at 224 hp; 2025 BMW 1 Series 120 is rated at 170 hp, a difference of 54 hp. The torque figures follow 2025 Mercedes-Benz A-Class A 250 at 350 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
2025 BMW 1 Series 120 has the lower recorded consumption at 6.8 L/100km; 2025 Mercedes-Benz A-Class A 250 is listed at 7.0 L/100km. Test cycle, temperature, wheel size and charging conditions can materially affect these results, so only figures measured on the same basis should be treated as directly comparable.
Dimensions, cargo space and towing
2025 BMW 1 Series 120 provides the larger quoted cargo volume: 380 litres versus 370 litres, a difference of 10 litres. 2025 Mercedes-Benz A-Class A 250 is 58 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 Mercedes-Benz A-Class A 250 has the lower listed starting price at $36,750, compared with $38,800 for 2025 BMW 1 Series 120. 2025 Mercedes-Benz A-Class A 250 leads in more of the shared headline fields, but that is not a universal verdict: a buyer should weight price, performance, range and utility rather than simply count category wins. The assessment is based on the specifications shown here; it is not presented as a two-car road test.