Performance, power and 0-100 km/h
2024 BMW X6 xDrive40i has the quicker recorded 0-100 km/h time at 5.2 seconds, compared with 5.6 seconds for 2026 Audi Q8 e-tron 55 quattro. 2026 Audi Q8 e-tron 55 quattro has the higher listed output at 408 hp; 2024 BMW X6 xDrive40i is rated at 375 hp, a difference of 33 hp. The torque figures follow 2026 Audi Q8 e-tron 55 quattro at 664 Nm and 2024 BMW X6 xDrive40i at 540 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
2024 BMW X6 xDrive40i provides the larger quoted cargo volume: 580 litres versus 569 litres, a difference of 11 litres. 2024 BMW X6 xDrive40i carries the higher towing rating at 2,700 kg, while 2026 Audi Q8 e-tron 55 quattro is listed at 2,500 kg. 2024 BMW X6 xDrive40i is 20 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 BMW X6 xDrive40i has the lower listed starting price at $74,300, compared with $75,200 for 2026 Audi Q8 e-tron 55 quattro. 2024 BMW X6 xDrive40i 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.