Automatic transmissions installed on Toyota Highlander of different generations:
1st generation (2000-2007)
* 4-speed automatic transmission A340E (only for rear-wheel drive models)
* 4-speed automatic transmission A341E (for all-wheel drive models)
* 5-speed automatic transmission AB60E (only for 2005-2007 models)
2nd generation (2008-2013)
* 5-speed automatic transmission AB60E
* U660E 6-speed automatic transmission (V6 4WD models only)
3rd generation (2014-2019)
* 6-speed automatic transmission U660E (V6 engine models only)
* 8-speed automatic transmission AA80E (for V6 and hybrid models)
4th generation (2020-present)
* 8-speed automatic transmission AA80E for all models