The 2016 Honda Odyssey goes on sale August 4 and its now eight available trim levels offer more family-friendly options. Under the Hood The 2016 Odyssey is powered by a 3.5-liter, 24-valve V-6 engine producing 248 hp and 250 lb-ft of torque. The engine is paired with a 6-speed automatic transmission. The van has received an EPA fuel-economy rating of