Kia Sedona vs Toyota Sienna
Minivan · 2015–2020 · 1,076 federal complaints
Kia Sedona
513 complaints · 2 engines
Most-complained engine: DOHCGDILAMBDAII · 3.3L V6
Full breakdown for Kia Sedona →
Toyota Sienna
563 complaints · 1 engines
Most-complained engine: 2GR-FKS · 3.5L V6
Full breakdown for Toyota Sienna →Side by side
Both cars scored as percentiles within Minivan, so the shapes are directly comparable. Built from EPA test data.
Kia SedonaToyota Sienna
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 Sedona
285complaints
Engine 39%Electrical 12%
Toyota Sienna
559complaints
Transmission & drivetrain 11%Electrical 11%Body & structure 15%
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.