Performance, power and 0-100 km/h
2025 Audi Q8 SQ8 TFSI has the quicker recorded 0-100 km/h time at 4.1 seconds, compared with 6.2 seconds for 2026 Mercedes-Benz EQB 350 4MATIC. 2025 Audi Q8 SQ8 TFSI has the higher listed output at 507 hp; 2026 Mercedes-Benz EQB 350 4MATIC is rated at 292 hp, a difference of 215 hp. The torque figures follow 2025 Audi Q8 SQ8 TFSI at 770 Nm and 2026 Mercedes-Benz EQB 350 4MATIC at 520 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 Audi Q8 SQ8 TFSI provides the larger quoted cargo volume: 605 litres versus 495 litres, a difference of 110 litres. 2025 Audi Q8 SQ8 TFSI carries the higher towing rating at 3,500 kg, while 2026 Mercedes-Benz EQB 350 4MATIC is listed at 750 kg. 2025 Audi Q8 SQ8 TFSI is 322 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 Mercedes-Benz EQB 350 4MATIC has the lower listed starting price at $54,500, compared with $97,900 for 2025 Audi Q8 SQ8 TFSI. 2025 Audi Q8 SQ8 TFSI 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.