Performance, power and 0-100 km/h
2025 Audi Q4 e-tron 40 has the quicker recorded 0-100 km/h time at 6.7 seconds, compared with 6.8 seconds for 2025 BMW iX3 30 eDrive. 2025 Audi Q4 e-tron 40 has the higher listed output at 286 hp; 2025 BMW iX3 30 eDrive is rated at 281 hp, a difference of 5 hp. The torque figures follow 2025 BMW iX3 30 eDrive at 400 Nm and 2025 Audi Q4 e-tron 40 at 310 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 Audi Q4 e-tron 40 carries the longer listed range at 535 km, against 465 km for 2025 BMW iX3 30 eDrive. 2025 BMW iX3 30 eDrive has the lower recorded consumption at 14.8 kWh/100km; 2025 Audi Q4 e-tron 40 is listed at 16.3 kWh/100km. 2025 Audi Q4 e-tron 40 has the higher listed DC charging ceiling at 175 kW, compared with 150 kW. 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 520 litres of cargo capacity. Their listed towing capacities are equal at 1,200 kg. 2025 BMW iX3 30 eDrive is 167 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 Audi Q4 e-tron 40 has the lower listed starting price at $50,800, compared with $58,675 for 2025 BMW iX3 30 eDrive. 2025 Audi Q4 e-tron 40 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.