Kia Carnival vs Toyota Sienna
Minivan · 2015–2025 · 1,189 federal complaints
Kia Carnival
183 complaints · 1 engines
Most-complained engine: LAMDA III · 3.5L V6
Full breakdown for Kia Carnival →
Toyota Sienna
1,006 complaints · 2 engines
Most-complained engine: 2GR-FKS · 3.5L V6
Full breakdown for Toyota Sienna →At a glance
Side by side. EPA figures are the model's median across its test variants; price is the base-trim MSRP (CarAPI), median across covered model years.
| Kia Carnival | Toyota Sienna | |
|---|---|---|
| Base MSRP | — | $30,300 |
| Most common engine | LAMDA III · 3.5L V6 | 2GR-FKS · 3.5L V6 |
| Induction | Naturally aspirated | Naturally aspirated |
| Fuel economy | 22 MPG | 22 MPG |
| Running cost | $2,800/yr | $2,800/yr |
| Low emissions | 408 g/mi | 408 g/mi |
| Displacement | 3.5 L | 3.5 L |
| NHTSA overall crash rating | ★★★★★ (2024) | ★★★★★ (2025) |
| Rollover risk (NHTSA) | 14.0% | 12.7% |
| Engines with enough data | 1 | 2 |
Side by side
Both cars scored as percentiles within Minivan, so the shapes are directly comparable. Built from EPA test data.
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 Carnival
Toyota Sienna
How often each one's complaints involve a fire, crash or injury
Shares of each car's own complaints — sales volume cancels out of a within-car ratio, so these two can be compared. The vertical mark is the all-vehicle average.
all vehicles — Fire 1.1% · Crash 4.4% · Injury 2.6%
Every engine with enough data
Complaint counts per engine are shown for scale only — they track how many were sold, not how often they fail.
Kia Carnival
- LAMDA III · 3.5L V6Naturally aspirated183
Toyota Sienna
- 2GR-FKS · 3.5L V6Naturally aspirated557
- A25A-FXS · 2.5L I4Naturally aspirated445
Recalls where NHTSA said stop driving or park outside
The severest recall class only. Model-level, manufacturer-confirmed. Recall repairs are free at any franchised dealer, whatever the car's age.
Kia Carnival
- Trailer Hitches (park outside, 2022–2023) 23V179000
Toyota Sienna
None on record for this model.
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.