Head to head
2026 Kia Carnival vs Toyota Sienna
The sourced numbers side by side, no verdict attached. Each column shows the 2026 lineup's representative trim, the one with the median EPA combined MPG.
At a glance
Kia Carnival
Shown: 2026 Carnival Auto (S8), 6 cyl, 3.5 L, the median MPG trim of 2 2026 trims.
- NHTSA records, 2026 model year
- none on file
Toyota Sienna
Shown: 2026 Sienna AWD Auto (AV-S6), 4 cyl, 2.5 L, the median MPG trim of 2 2026 trims.
- NHTSA records, 2026 model year
- none on file
Spec by spec
| Spec | 2026 Kia Carnival Auto (S8), 6 cyl, 3.5 L | 2026 Toyota Sienna AWD Auto (AV-S6), 4 cyl, 2.5 L |
|---|---|---|
| Make | Kia | Toyota |
| Model | Carnival | Sienna AWD |
| Trim / config | Auto (S8), 6 cyl, 3.5 L | Auto (AV-S6), 4 cyl, 2.5 L |
| Drivetrain | Front-Wheel Drive | All-Wheel Drive |
| MPG Hwy | 25 mpg | 36 mpg |
| MPG City | 18 mpg | 35 mpg |
| MPG Comb | 21 mpg | 35 mpg |
| Transmission | Automatic (S8) | Automatic (AV-S6) |
| Cyl | 6 | 4 |
| Body | Minivan - 2WD | Minivan - 4WD |
| Powertrain | Gas | Hybrid |
| Fuel $/yr | $2,850 | $1,700 |
| Eco Score | 4/10 | 6/10 |
| CO₂ | 428 g/mi | 253 g/mi |
| Basic warranty | 5 yr / 60k mi | 3 yr / 36k mi |
| Powertrain warranty | 10 yr / 100k mi | 5 yr / 60k mi |
How this page picks its numbers
Both columns share the newest model year the Kia Carnival and the Toyota Sienna both offer, 2026. Each column shows the 2026 lineup's representative trim, the one with the median EPA combined MPG. Fuel economy figures come from EPA records; recall, complaint, and crash rating figures come from NHTSA. Other trims differ, so open the comparison tool above to swap in the exact trims you are cross-shopping.