Most fuel-efficient vans and special purpose, 2026 model year
For model year 2026 the data rates 7 vans and special purpose. The most efficient is Toyota Sienna Hybrid at 36 MPG combined and the least efficient is Kia Carnival at 21; the middle of the list sits at 22.
That is a spread of 15 MPG from first to last; the leader's rating is 1.7 times the last model's.
The largest step between neighbouring ranks comes after Chrysler Pacifica Plug-in hybrid, 3rd: the next model, Chrysler Pacifica, is 8 MPG lower.
On annual fuel cost under the file's assumptions, Toyota Sienna Hybrid is lowest at $1,850 and Kia Carnival highest at $3,200; the median is $3,050.
By powertrain: Gasoline (4), Hybrid (2), Plug-in hybrid (1).
By make: Chrysler (3), Kia (2), Honda (1), Toyota (1).
All 7 models ranked
Annual fuel cost in the file is based on 15,000 miles a year, 55% city and 45% highway driving, and the fuel prices that fueleconomy.gov published at the time of the release (the same prices for every model year).
| Rank | Model | Make | Powertrain | Combined MPG | Annual fuel cost | CO2 g/mile | Versions |
|---|---|---|---|---|---|---|---|
| 1 | Toyota Sienna Hybrid | Toyota | Hybrid | 36 | $1,850 | 246 | 2 |
| 2 | Kia Carnival Hybrid | Kia | Hybrid | 32 | $2,100 | 275 | 1 |
| 3 | Chrysler Pacifica Plug-in hybrid | Chrysler | Plug-in hybrid | 30 | $2,250 | 119 | 1 |
| 4 | Chrysler Pacifica | Chrysler | Gasoline | 22 | $3,050 | 401 | 1 |
| 5 | Chrysler Voyager | Chrysler | Gasoline | 22 | $3,050 | 401 | 1 |
| 6 | Honda Odyssey | Honda | Gasoline | 22 | $3,050 | 395 | 1 |
| 7 | Kia Carnival | Kia | Gasoline | 21 | $3,200 | 428 | 1 |
Head-to-head comparisons
Each model is shown with its most efficient rated version. How the figures are prepared: methods and data.