Against 344 other Hybrid cars rated 2024–2026, the Sienna beats their 28 mpg average by 8 mpg, about $304 a year. Averaged over the years each was sold, the most economical engine since 1998, the 2.5L 4-cyl Hybrid (2021–2026), does 36 mpg and the thirstiest, the 3L 6-cyl (1998–2003), 19: $954 a year apart.
Every Toyota Sienna engine, compared
Yearly cost assumes 12,000 miles at $3.20 a gallon.
| Engine | Combined | City / Highway | Years | Fuel per year |
|---|---|---|---|---|
| 2.5L 4-cyl Hybrid | 36 / 36 | 2021–2026 | $1,067 | |
| 2.7L 4-cyl | 19 / 24 | 2011–2013 | $1,829 | |
| 3.5L 6-cyl | 18 / 24.9 | 2007–2020 | $1,864 | |
| 3.3L 6-cyl | 17 / 24.3 | 2004–2006 | $1,990 | |
| 3L 6-cyl | 16.5 / 22.7 | 1998–2003 | $2,021 |
What that actually costs
Against its rivals in the same model years, the Honda Odyssey gets 22 mpg, the Kia Carnival 26.8 mpg and the Chrysler Pacifica 25.2 mpg, next to 36 mpg for the 2026 Sienna. The Sienna is the cheapest of them to run: $678 a year less than the Honda Odyssey.
| Measure | Value |
|---|---|
| Cost per mile (2026) | $0.089 |
| Fuel per year | $1,067 |
| Fuel over five years | $5,335 |
| Against other Hybrid cars, 2024–2026 | −$304 a year |
| EPA's own estimate | $2,856 a year |
City or highway — who is this car for
| Measure | Value | Reading |
|---|---|---|
| City (2026) | 36 mpg | $1,067 a year if you only drive in town |
| Highway | 36 mpg | $1,067 a year if you mostly commute |
| Gap | 0 mpg (0%) | Narrow — equally happy either way |
How the Sienna changed over the years
The Sienna peaked in 2026 at 36 mpg (36 city, 36 highway) and was at its thirstiest in 2010 at 19 — 17 mpg apart, or $954 a year in fuel between buying one year and the other. The biggest single-year change came in 2021: 21 to 36 mpg.
| Model year | Combined | City / Highway | Engines offered | Fuel per year |
|---|---|---|---|---|
| 2026 | 36 / 36 | 1 | $1,067 | |
| 2025 | 36 / 36 | 1 | $1,067 | |
| 2024 | 36 / 36 | 1 | $1,067 | |
| 2023 | 36 / 36 | 1 | $1,067 | |
| 2022 | 36 / 36 | 1 | $1,067 | |
| 2021 | 36 / 36 | 1 | $1,067 | |
| 2020 | 19 / 26 | 1 | $1,829 | |
| 2019 | 19 / 27 | 1 | $1,745 | |
| 2018 | 19 / 27 | 1 | $1,745 | |
| 2017 | 19 / 27 | 1 | $1,745 | |
| 2016 | 18 / 25 | 1 | $1,829 | |
| 2015 | 18 / 25 | 1 | $1,829 | |
| 2014 | 18 / 25 | 1 | $1,829 | |
| 2013 | 18.5 / 24.5 | 2 | $1,829 | |
| 2012 | 18.5 / 24.5 | 2 | $1,829 | |
| 2011 | 18.5 / 24 | 2 | $1,873 | |
| 2010 | 17 / 23 | 1 | $2,021 | |
| 2009 | 17 / 23 | 1 | $2,021 | |
| 2008 | 17 / 23 | 1 | $2,021 | |
| 2007 | 17 / 24 | 1 | $2,021 | |
| 2006 | 17 / 24 | 1 | $2,021 | |
| 2005 | 17 / 24 | 1 | $2,021 | |
| 2004 | 17 / 25 | 1 | $1,920 | |
| 2003 | 17 / 23 | 1 | $2,021 | |
| 2002 | 17 / 23 | 1 | $2,021 | |
| 2001 | 17 / 23 | 1 | $2,021 | |
| 2000 | 16 / 22 | 1 | $2,021 | |
| 1999 | 16 / 22 | 1 | $2,021 | |
| 1998 | 16 / 23 | 1 | $2,021 |
MPG is a number. Dollars per year is the answer.
- Fuel profile built from your actual mileage and local prices
- Fuel tracker: what you really spend, month by month
- Insurance and fuel folded into 5-year cost to own
- Compare any two cars on total cost, not sticker price
- No ads, no tracking — and much more
How we count
This page rests on 32 EPA ratings of the Toyota Sienna — 5 engines across 1998–2026. The mileage is EPA's laboratory figure, unchanged; the yearly bill is ours, at 12,000 miles and $3.20 a gallon, against EPA's own estimate of $2,856. Full method.
Frequently asked questions
What mpg does the 2026 Toyota Sienna get?
36 mpg combined, 36 city and 36 highway, per EPA. Across every year since 1998 the Sienna has averaged 23.1 mpg.
Is the 2026 Sienna more efficient than the 2025?
About the same: 36 against 36 mpg combined.
Which Sienna year has the best gas mileage?
The 2026, at 36 mpg combined (36 city, 36 highway), which is also the latest model year we hold.
Does the Sienna get better gas mileage than the Honda Odyssey?
Yes: 36 mpg for the 2026 Sienna against 22 for the 2026 Honda Odyssey, about $678 a year less to run.
Mark ForCar as a preferred source and our data shows up first in your Google results. One click, no account.