The Kia Stonic has received mixed reviews outside . Owners report it is nimble and enjoyable for city driving, but it suffers from one central drawback: a small trunk (352 liters) that limits family use. The 1.0 T-GDI engine is known for oil consumption issues in 2017β2021 models β Kia acknowledged the problem in the United States but did not issue an official recall. The 1.5-liter engine introduced from 2022 resolves the issue.