Performance, power and 0-100 km/h
2026 Rivian R1S Dual Standard has the quicker recorded 0-100 km/h time at 3.6 seconds, compared with 5.6 seconds for 2026 Audi Q8 e-tron 55 quattro. 2026 Rivian R1S Dual Standard has the higher listed output at 600 hp; 2026 Audi Q8 e-tron 55 quattro is rated at 408 hp, a difference of 192 hp. The torque figures follow 2026 Rivian R1S Dual Standard at 878 Nm and 2026 Audi Q8 e-tron 55 quattro at 664 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 Q8 e-tron 55 quattro carries the longer listed range at 498 km, against 488 km for 2026 Rivian R1S Dual Standard. 2026 Audi Q8 e-tron 55 quattro has the lower recorded consumption at 19.8 kWh/100km; 2026 Rivian R1S Dual Standard is listed at 20.5 kWh/100km. 2026 Rivian R1S Dual Standard has the higher listed DC charging ceiling at 220 kW, compared with 170 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
2026 Audi Q8 e-tron 55 quattro provides the larger quoted cargo volume: 569 litres versus 498 litres, a difference of 71 litres. 2026 Rivian R1S Dual Standard carries the higher towing rating at 3,175 kg, while 2026 Audi Q8 e-tron 55 quattro is listed at 2,500 kg. 2026 Rivian R1S Dual Standard is 125 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 Q8 e-tron 55 quattro has the lower listed starting price at $75,200, compared with $75,900 for 2026 Rivian R1S Dual Standard. 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.