Comparison tool
Two vehicles, one set of assumptions
Pick up to four exact EPA configurations. All get the same mileage, driving mix, and energy prices — so the difference you see is the vehicles, not the assumptions. Gasoline and electricity are always priced separately; MPGe is never treated as MPG.
Vehicle A
or pick step by step
Selected: 2026 Honda Odyssey · 3.5L 6-cyl · 10-speed automatic with select shift · FWD · details
Vehicle B
or pick step by step
Selected: 2026 Toyota Sienna 2WD · 2.5L 4-cyl · CVT with 6 fixed ratios · FWD · details
Shared assumptions — applied to both vehicles
mi/year
Driving mix55% city / 45% highway
$/gal
At these assumptions, the 2026 Toyota Sienna 2WD costs $68.97 less per month ($828/year, $4,140 over five years) than the 2026 Honda Odyssey. This is the measured energy-cost difference only — not a statement that either vehicle is better.
2026 Honda Odyssey2026 Toyota Sienna 2WD
Per month
Per year
5 years
| Measure | 2026 Honda Odyssey | 2026 Toyota Sienna 2WD | Difference (A − B) |
|---|---|---|---|
| Cost per month | $180.08 | $111.11 | $68.97 |
| Cost per year | $2,161 | $1,333 | $828 |
| Cost over 5 years | $10,805 | $6,665 | $4,140 |
| Cost per mile | 18.0¢/mi | 11.1¢/mi | 6.9¢ |
| Annual energy used | 540.2 gal | 333.3 gal | different units listed separately |
| EPA efficiency | 22 MPG combined | 36 MPG combined | — |