Originally launched on October 30, 2018, the Refine S4 was sold under the Refine sub-brand of JAC Motors. The Refine S4 compact crossover was positioned slightly above the Refine S3 compact crossover and below the Refine S5 compact crossover under the Refine crossover product line.
Pricing of the Refine S4 was revealed during the 2018 Guangzhou Auto Show with prices ranging from 67,800 yuan to 98,800 yuan.
The engine options of the Refine S4 crossover includes a 150 hp(110 kW)1.5 liter turbo engine and a 120 hp(88 kW)1.6 liter engine mated to either a 6-speed manual gearbox or a CVT.
The Refine S4 compact SUV is also made in Mexico from 2019 in CKD kits in the factory of Ciudad Sahagún. Mexican version was rebadged as a JAC Sei 4.