Kia Soul vs Toyota Corolla
Compact car · 2015–2020 · 2,976 federal complaints

Kia Soul
1,785 complaints · 7 engines
Most-complained engine: GDIGAMMA · 1.6L I4
Full breakdown for Kia Soul →
Toyota Corolla
1,191 complaints · 4 engines
Most-complained engine: 2ZR-FE · 1.8L I4
Full breakdown for Toyota Corolla →Side by side
Both cars scored as percentiles within Compact car, so the shapes are directly comparable. Built from EPA test data.
Kia SoulToyota Corolla
What each one's complaints are about
Showing each car's highest-volume engine. Share of component mentions — not a failure rate, and not a ranking between the two.
Kia Soul
412complaints
Engine 47%
Toyota Corolla
747complaints
One car having more complaints than the other mostly reflects how many were sold, not how often they break. Compare each car's own mix of problems — not the totals.