Performance, power and 0-100 km/h
2025 BMW 1 Series 120 has the quicker recorded 0-100 km/h time at 7.8 seconds, compared with 8.3 seconds for 2024 SEAT Leon 1.5 TSI 150 FR. 2025 BMW 1 Series 120 has the higher listed output at 170 hp; 2024 SEAT Leon 1.5 TSI 150 FR is rated at 150 hp, a difference of 20 hp. The torque figures follow 2025 BMW 1 Series 120 at 280 Nm and 2024 SEAT Leon 1.5 TSI 150 FR at 250 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
2024 SEAT Leon 1.5 TSI 150 FR has the lower recorded consumption at 5.9 L/100km; 2025 BMW 1 Series 120 is listed at 6.8 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
Both specifications quote 380 litres of cargo capacity. 2024 SEAT Leon 1.5 TSI 150 FR is 7 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
2024 SEAT Leon 1.5 TSI 150 FR has the lower listed starting price at $28,500, compared with $38,800 for 2025 BMW 1 Series 120. 2025 BMW 1 Series 120 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.