Performance, power and 0-100 km/h
2024 Cadillac CT5-V Blackwing has the quicker recorded 0-100 km/h time at 3.6 seconds, compared with 3.7 seconds for 2026 Audi RS3 Sportback. 2024 Cadillac CT5-V Blackwing has the higher listed output at 668 hp; 2026 Audi RS3 Sportback is rated at 407 hp, a difference of 261 hp. The torque figures follow 2024 Cadillac CT5-V Blackwing at 893 Nm and 2026 Audi RS3 Sportback at 500 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 RS3 Sportback has the lower recorded consumption at 9.1 L/100km; 2024 Cadillac CT5-V Blackwing is listed at 13.5 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
2024 Cadillac CT5-V Blackwing provides the larger quoted cargo volume: 340 litres versus 282 litres, a difference of 58 litres. 2024 Cadillac CT5-V Blackwing is 543 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 RS3 Sportback has the lower listed starting price at $65,500, compared with $92,990 for 2024 Cadillac CT5-V Blackwing. 2024 Cadillac CT5-V Blackwing 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.