Performance, power and 0-100 km/h
2026 smart #5 Pulse AWD has the quicker recorded 0-100 km/h time at 4.9 seconds, compared with 6.7 seconds for 2025 Audi Q4 e-tron 40. 2026 smart #5 Pulse AWD has the higher listed output at 588 hp; 2025 Audi Q4 e-tron 40 is rated at 286 hp, a difference of 302 hp. The torque figures follow 2026 smart #5 Pulse AWD at 643 Nm and 2025 Audi Q4 e-tron 40 at 310 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 smart #5 Pulse AWD carries the longer listed range at 540 km, against 535 km for 2025 Audi Q4 e-tron 40. 2025 Audi Q4 e-tron 40 has the lower recorded consumption at 16.3 kWh/100km; 2026 smart #5 Pulse AWD is listed at 19.9 kWh/100km. 2026 smart #5 Pulse AWD has the higher listed DC charging ceiling at 400 kW, compared with 175 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 smart #5 Pulse AWD provides the larger quoted cargo volume: 630 litres versus 520 litres, a difference of 110 litres. 2026 smart #5 Pulse AWD carries the higher towing rating at 1,600 kg, while 2025 Audi Q4 e-tron 40 is listed at 1,200 kg. 2026 smart #5 Pulse AWD is 107 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 smart #5 Pulse AWD 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.