Performance, power and 0-100 km/h
2025 Aston Martin DBX 707 has the quicker recorded 0-100 km/h time at 3.3 seconds, compared with 4.6 seconds for 2026 BMW X3 M50 xDrive. 2025 Aston Martin DBX 707 has the higher listed output at 707 hp; 2026 BMW X3 M50 xDrive is rated at 398 hp, a difference of 309 hp. The torque figures follow 2025 Aston Martin DBX 707 at 900 Nm and 2026 BMW X3 M50 xDrive at 580 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
2025 Aston Martin DBX 707 provides the larger quoted cargo volume: 632 litres versus 570 litres, a difference of 62 litres. 2025 Aston Martin DBX 707 carries the higher towing rating at 2,700 kg, while 2026 BMW X3 M50 xDrive is listed at 2,400 kg. 2025 Aston Martin DBX 707 is 284 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
2026 BMW X3 M50 xDrive has the lower listed starting price at $63,500, compared with $239,000 for 2025 Aston Martin DBX 707. 2025 Aston Martin DBX 707 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.