Xiaomi has already made a name for itself with more affordable smartphones, but now the Chinese manufacturer is launching an electric car called the SU7, designed to give rivals from Tesla and Polestar a good run for their money. From the Porsche look-a-like styling to the performance stats, the four-door, seven-seater should impress buyers looking for a quick, upmarket sports utility. On the road, the SU7 is quick off the mark, with acceleration 0 to 100 km/h in 5.2 seconds. A full charge of th