If it had a timing belt, you would replace it at 90,000 miles. But this engine has a timing chain and does not have a belt.
go to fueleconomy.gov as it depends on the year, and the type of drive the Tacoma is.
Regular cab, 4 cylinder, with manual transmission.
Before it breaks
The EPA mileage estimate for the 2011 Toyota Tacoma is 21 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2013 Toyota Tacoma is 21 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2002 Toyota Tacoma is 19 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2008 Toyota Tacoma is 20 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2006 Toyota Tacoma is 18 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2012 Toyota Tacoma is 21 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2014 Toyota Tacoma is 21 mpg in the city, 25 mpg on the highway.
The EPA mileage estimate for the 2009 Toyota Tacoma is 20 mpg in the city, 26 mpg on the highway.
The EPA mileage estimate for the 2001 Toyota Tacoma is 19 mpg in the city, 23 mpg on the highway.