20 MPG combined isn’t going to win the 2019 Toyota Sienna AWD any fuel-sipping awards, but let’s be honest: nobody buys an all-wheel-drive minivan expecting Prius-like efficiency. This vehicle is designed to haul families and all their associated gear in comfort and (relative) safety, through rain, snow, or shine. The Sienna AWD is about practicality, space, and peace of mind, and for many buyers, the fuel economy trade-off is an acceptable cost for that capability.

City and highway performance

The EPA estimates the 2019 Toyota Sienna AWD at 18 MPG in the city and 24 MPG on the highway. The disparity between these two figures highlights how driving style and environment impact fuel consumption. Stop-and-go traffic and frequent acceleration will drag down efficiency, while consistent highway cruising allows the 3.5L V6 to operate more efficiently. Many owners will see MPG figures close to the estimates, but the real world will always have some variations. The key is to drive smoothly, avoiding aggressive acceleration, and maintaining consistent speeds on the highway whenever possible.

Annual fuel cost

The EPA estimates an annual fuel cost of $2,200 for the 2019 Toyota Sienna AWD. This figure is based on driving 15,000 miles per year and using national average fuel prices. Remember that this is just an estimate, and your actual fuel costs will vary depending on your driving habits, local fuel prices, and the type of fuel you use. Someone driving predominantly in the city will likely exceed that amount, while a mostly highway driver could beat it slightly. To get a more accurate estimate, track your own mileage and fuel purchases over time.

Real-world expectations

While the EPA provides a standardized benchmark, anecdotal evidence suggests that many Sienna AWD owners experience slightly lower fuel economy in real-world driving. Factors such as carrying heavy loads, using roof racks, and driving in hilly terrain can all decrease efficiency. Cold weather can also impact MPG, especially on shorter trips before the engine reaches optimal operating temperature. Keep that in mind as you compare the EPA numbers to your own experiences. You can find SIENNA MPG across all years to see the consistency of the van’s fuel economy.

How it compares

Within the limited minivan segment, the 2019 Toyota Sienna AWD’s fuel economy sits in a specific spot. The Chrysler Pacifica Hybrid, for instance, offers significantly better fuel economy (82 MPGe combined) thanks to its plug-in hybrid powertrain, but it lacks all-wheel drive and comes at a higher initial cost. The front-wheel-drive Honda Odyssey achieves an EPA-estimated 19 MPG city and 28 MPG highway with its 3.5L V6. Many older minivans, like the Dodge Grand Caravan (discontinued after 2020), achieve roughly equivalent fuel economy, but for many buyers, the advanced safety features and reliability of the Sienna will outweigh the slightly higher operating costs. All Toyota fuel economy data are worth a look for context.

Tips to maximize efficiency

Because the Sienna is often used for shuttling kids and cargo, resist the urge to overpack. Extra weight directly impacts fuel economy, so declutter the van regularly and remove any unnecessary items. Even a few hundred pounds of extra cargo can make a noticeable difference, particularly in city driving.

Proper tire inflation is critical for maximizing fuel efficiency. Check your tire pressure regularly and inflate them to the manufacturer’s recommended pressure, which can be found on a sticker inside the driver’s side doorjamb. Underinflated tires create more rolling resistance, which reduces fuel economy and can also lead to premature tire wear.

Avoid aggressive driving habits such as sudden acceleration and hard braking. The Sienna’s V6 engine responds smoothly to gradual inputs, and anticipating traffic flow can help you maintain a more consistent speed, optimizing fuel consumption. Using cruise control on the highway can also help maintain a fuel-efficient pace.

Consider the type of fuel you are using. While the Sienna’s engine is designed to run on regular unleaded gasoline, using higher octane fuel will not improve fuel economy. Stick to the recommended fuel type to save money and avoid potential engine issues down the road.

Keep up with regular maintenance, including oil changes, air filter replacements, and spark plug replacements. A well-maintained engine runs more efficiently, and addressing minor issues promptly can prevent them from escalating into more significant problems that could impact fuel economy.