Which year's cars meet the China 5 standard?

[Virgil]

China 5 vehicles refer to cars manufactured in 2016. Relevant information is as follows: 1. The China 5 vehicle emission standard was comprehensively implemented nationwide in July 2017. The China 5 emission control level is equivalent to the European Union's fifth-stage emission standard. China 5 vehicles are those that comply with the 'National Fifth Stage Motor Vehicle Pollutant Emission Standard'. 2. The motor vehicle pollutant emission standards are established to implement environmental protection laws, reduce and prevent vehicle exhaust pollution, protect the ecological environment, and ensure human health. Compared to the China 4 standard, the China 5 standard can reduce nitrogen oxide emissions by 25% to 43%, significantly improving environmental protection efficiency.