Performance, power and 0-100 km/h
2026 Mercedes-Benz EQB 350 4MATIC has the quicker recorded 0-100 km/h time at 6.2 seconds, compared with 6.7 seconds for 2025 Audi Q4 e-tron 40. 2026 Mercedes-Benz EQB 350 4MATIC has the higher listed output at 292 hp; 2025 Audi Q4 e-tron 40 is rated at 286 hp, a difference of 6 hp. The torque figures follow 2026 Mercedes-Benz EQB 350 4MATIC at 520 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 444 km for 2026 Mercedes-Benz EQB 350 4MATIC. 2025 Audi Q4 e-tron 40 has the lower recorded consumption at 16.3 kWh/100km; 2026 Mercedes-Benz EQB 350 4MATIC is listed at 18.1 kWh/100km. 2025 Audi Q4 e-tron 40 has the higher listed DC charging ceiling at 175 kW, compared with 100 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
2025 Audi Q4 e-tron 40 provides the larger quoted cargo volume: 520 litres versus 495 litres, a difference of 25 litres. 2025 Audi Q4 e-tron 40 carries the higher towing rating at 1,200 kg, while 2026 Mercedes-Benz EQB 350 4MATIC is listed at 750 kg. 2026 Mercedes-Benz EQB 350 4MATIC is 96 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 $54,500 for 2026 Mercedes-Benz EQB 350 4MATIC. 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.