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

Vehicle A: Year

Vehicle A: Make

Vehicle A: Model

Selected: 2026 Honda Odyssey · 3.5L 6-cyl · 10-speed automatic with select shift · FWD · details

Vehicle B

or pick step by step

Vehicle B: Year

Vehicle B: Make

Vehicle B: Model

Selected: 2026 Toyota Sienna 2WD · 2.5L 4-cyl · CVT with 6 fixed ratios · FWD · details

Shared assumptions — applied to both vehicles

Miles driven per year12,000 mi

mi/year

Driving mix55% city / 45% highway

Gasoline (regular) priceEPA avg

$/gal

At these assumptions, the 2026 Toyota Sienna 2WD costs $70.69 less per month ($848/year, $4,240 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

$184.58$113.89

Per year

$2,215$1,367

5 years

$11,075$6,835

Full cost and efficiency comparison between 2026 Honda Odyssey, 2026 Toyota Sienna 2WD
Measure	2026 Honda Odyssey	2026 Toyota Sienna 2WD	Difference (A − B)
Cost per month	$184.58	$113.89	$70.69
Cost per year	$2,215	$1,367	$848
Cost over 5 years	$11,075	$6,835	$4,240
Cost per mile	18.5¢/mi	11.4¢/mi	7.1¢
Annual energy used	540.2 gal	333.3 gal	different units listed separately
EPA efficiency	22 MPG combined	36 MPG combined	—