Head to head
2026 Honda Odyssey vs Kia Carnival
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
Honda Odyssey
Shown: 2026 Odyssey Auto (S10), 6 cyl, 3.5 L, the only 2026 trim.
- NHTSA records, 2026 model year
- none on file
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
Spec by spec
| Spec | 2026 Honda Odyssey Auto (S10), 6 cyl, 3.5 L | 2026 Kia Carnival Auto (S8), 6 cyl, 3.5 L |
|---|---|---|
| Make | Honda | Kia |
| Model | Odyssey | Carnival |
| Trim / config | Auto (S10), 6 cyl, 3.5 L | Auto (S8), 6 cyl, 3.5 L |
| MPG Hwy | 28 mpg | 25 mpg |
| MPG City | 19 mpg | 18 mpg |
| MPG Comb | 22 mpg | 21 mpg |
| Transmission | Automatic (S10) | Automatic (S8) |
| Fuel $/yr | $2,750 | $2,850 |
| CO₂ | 395 g/mi | 428 g/mi |
| Basic warranty | 3 yr / 36k mi | 5 yr / 60k mi |
| Powertrain warranty | 5 yr / 60k mi | 10 yr / 100k mi |
How this page picks its numbers
Both columns share the newest model year the Honda Odyssey and the Kia Carnival 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.