The best years of the Toyota Tundra are: 2018-2021, 2016, 2014, 2011-2013, 2003, and 2008. The years you should absolutely avoid are: 2001-2002, 2009, 2010, 2007, 2004-2006, 2017, and 2015. Most issues are related to changes with the powertrain and the evaporative emission control (EVAP) system.