Performance, power and 0-100 km/h
2026 Audi e-tron GT RS has the quicker recorded 0-100 km/h time at 2.8 seconds, compared with 3.7 seconds for 2026 Porsche Taycan 4S. 2026 Audi e-tron GT RS has the higher listed output at 646 hp; 2026 Porsche Taycan 4S is rated at 537 hp, a difference of 109 hp. The torque figures follow 2026 Audi e-tron GT RS at 830 Nm and 2026 Porsche Taycan 4S at 710 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 Porsche Taycan 4S carries the longer listed range at 575 km, against 500 km for 2026 Audi e-tron GT RS. 2026 Porsche Taycan 4S has the lower recorded consumption at 18.3 kWh/100km; 2026 Audi e-tron GT RS is listed at 20.2 kWh/100km. Both list the same maximum DC charging power of 320 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
Both specifications quote 405 litres of cargo capacity. 2026 Audi e-tron GT RS is 26 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 Porsche Taycan 4S has the lower listed starting price at $108,200, compared with $165,500 for 2026 Audi e-tron GT RS. 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.