2023 Toyota Sienna AWD long-term review update: Here's the gas mileage after 9,000 miles

It’s been about seven months since we took delivery of a long-term 2023 Toyota Sienna test van. Since then, the odometer has climbed up and over 9,000 miles, and it continues to be our long-term vehicle of choice when it comes to long road trips. With this amount of miles comes a reliable source of real-world fuel economy, and while the numbers are generally good, it’s not all roses for this hybrid minivan.

Being the all-wheel-drive version of the Sienna, our test van is rated for 35 mpg city, 36 mpg highway and 35 mpg combined. So, right around 35 mpg is where we should expect our average to land. Unfortunately, we’re sitting at 31.2 mpg so far in our test, which puts us a little off the expected efficiency numbers.

We’re not shedding too many tears over the missed target, though, as 31 mpg in a vehicle that can carry as many people and their things as this Sienna can is downright extraordinary. Plus, we expected to take a slight hit due to our van being the fully-loaded Platinum, adding weight and hurting efficiency.