Performance, power and 0-100 km/h
2026 Audi Q8 e-tron 55 quattro has the quicker recorded 0-100 km/h time at 5.6 seconds, compared with 6.8 seconds for 2025 BMW iX3 30 eDrive. 2026 Audi Q8 e-tron 55 quattro has the higher listed output at 408 hp; 2025 BMW iX3 30 eDrive is rated at 281 hp, a difference of 127 hp. The torque figures follow 2026 Audi Q8 e-tron 55 quattro at 664 Nm and 2025 BMW iX3 30 eDrive at 400 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
2026 Audi Q8 e-tron 55 quattro carries the longer listed range at 498 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; 2026 Audi Q8 e-tron 55 quattro is listed at 19.8 kWh/100km. 2026 Audi Q8 e-tron 55 quattro has the higher listed DC charging ceiling at 170 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
2026 Audi Q8 e-tron 55 quattro provides the larger quoted cargo volume: 569 litres versus 520 litres, a difference of 49 litres. 2026 Audi Q8 e-tron 55 quattro carries the higher towing rating at 2,500 kg, while 2025 BMW iX3 30 eDrive is listed at 1,200 kg. 2026 Audi Q8 e-tron 55 quattro is 160 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 iX3 30 eDrive has the lower listed starting price at $58,675, compared with $75,200 for 2026 Audi Q8 e-tron 55 quattro. 2026 Audi Q8 e-tron 55 quattro 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.