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 6.2 seconds for 2025 Mercedes-Benz GLC 300 4MATIC. 2026 Audi Q5 SQ5 has the higher listed output at 362 hp; 2025 Mercedes-Benz GLC 300 4MATIC is rated at 258 hp, a difference of 104 hp. The torque figures follow 2026 Audi Q5 SQ5 at 550 Nm and 2025 Mercedes-Benz GLC 300 4MATIC at 400 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 Mercedes-Benz GLC 300 4MATIC has the lower recorded consumption at 8.4 L/100km; 2026 Audi Q5 SQ5 is listed at 8.8 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 GLC 300 4MATIC provides the larger quoted cargo volume: 600 litres versus 520 litres, a difference of 80 litres. Their listed towing capacities are equal at 2,400 kg. 2025 Mercedes-Benz GLC 300 4MATIC is 16 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 Mercedes-Benz GLC 300 4MATIC has the lower listed starting price at $48,950, compared with $58,600 for 2026 Audi Q5 SQ5. 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.