No less than 87 octane.
The 2008 Toyota Highlander is a gas-powered vehicle.
The gas tank on the 2008 Toyota Highlander holds 19.2 gal..
The 2008 Toyota Highlander-Hybrid is a hybrid-powered vehicle.
The gas tank on the 2008 Toyota Highlander-Hybrid holds 17.2 gal..
I believe it is 19.2 Gallons
regular(87 octane)
The 2007 Toyota Highlander is a gas-powered vehicle.
The 2012 Toyota Highlander is a gas-powered vehicle.
The 2002 Toyota Highlander is a gas-powered vehicle.
The 2005 Toyota Highlander is a gas-powered vehicle.
The 2004 Toyota Highlander is a gas-powered vehicle.
The 2003 Toyota Highlander is a gas-powered vehicle.