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 8.4 seconds for 2025 Audi A3 35 TFSI. 2026 Audi e-tron GT RS has the higher listed output at 646 hp; 2025 Audi A3 35 TFSI is rated at 150 hp, a difference of 496 hp. The torque figures follow 2026 Audi e-tron GT RS at 830 Nm and 2025 Audi A3 35 TFSI at 250 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
2026 Audi e-tron GT RS provides the larger quoted cargo volume: 405 litres versus 380 litres, a difference of 25 litres. 2026 Audi e-tron GT RS is 646 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 A3 35 TFSI has the lower listed starting price at $35,400, compared with $165,500 for 2026 Audi e-tron GT RS. 2026 Audi e-tron GT RS 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.