Performance, power and 0-100 km/h
2026 Cadillac VISTIQ Dual Motor AWD has the higher listed output at 615 hp; 2026 Audi Q8 e-tron 55 quattro is rated at 408 hp, a difference of 207 hp. The torque figures follow 2026 Cadillac VISTIQ Dual Motor AWD at 880 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 491 km for 2026 Cadillac VISTIQ Dual Motor AWD. 2026 Cadillac VISTIQ Dual Motor AWD has the higher listed DC charging ceiling at 190 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 431 litres, a difference of 138 litres. 2026 Audi Q8 e-tron 55 quattro carries the higher towing rating at 2,500 kg, while 2026 Cadillac VISTIQ Dual Motor AWD is listed at 2,268 kg. 2026 Cadillac VISTIQ Dual Motor AWD is 307 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 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.