Performance, power and 0-100 km/h
2026 Audi Q5 SQ5 has the quicker recorded 0-100 km/h time at 4.7 seconds, compared with 5.9 seconds for 2025 Mercedes-Benz GLS GLS 450 4MATIC. Their listed outputs are also identical at 362 hp. The torque figures follow 2026 Audi Q5 SQ5 at 550 Nm and 2025 Mercedes-Benz GLS GLS 450 4MATIC at 500 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 Q5 SQ5 has the lower recorded consumption at 8.8 L/100km; 2025 Mercedes-Benz GLS GLS 450 4MATIC is listed at 10.6 L/100km. 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 Mercedes-Benz GLS GLS 450 4MATIC provides the larger quoted cargo volume: 680 litres versus 520 litres, a difference of 160 litres. 2025 Mercedes-Benz GLS GLS 450 4MATIC carries the higher towing rating at 3,500 kg, while 2026 Audi Q5 SQ5 is listed at 2,400 kg. 2025 Mercedes-Benz GLS GLS 450 4MATIC is 507 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 Audi Q5 SQ5 has the lower listed starting price at $58,600, compared with $88,500 for 2025 Mercedes-Benz GLS GLS 450 4MATIC. The measured categories split evenly, so the better choice depends on which attributes matter most. The assessment is based on the specifications shown here; it is not presented as a two-car road test.