The base 2017 Sienna L 4x2 minivan is priced at $30,690, including a $940 destination charge.
The top-of-the-line 2017 Sienna Limited Premium with all-wheel drive starts at $48,250, including destination fees.
Standard across the Sienna lineup is a new 3.5-liter direct-injection V6 engine that delivers 296 horsepower, an increase of 30 hp. Torque is boosted from 245 pound-feet to 263.
A new standard eight-speed automatic transmission replaces the six-speed transmission on all 2017 Siennas.
Toyota said the new powertrain will result in improved fuel economy. The EPA has not posted official fuel economy numbers on the 2017 Sienna.
Buyers can choose either seven- or eight-passenger interior configurations on the 2017 Sienna.
Edmunds says: Car shoppers will see a major change under the hood of the 2017 Toyota Sienna, along with a price increase.