2024 Toyota Hybrid Highlander Gas Mileage. It delivers frugal gas mileage, consistently good reliability, and good road manners. This glorious midsize suv’s gas mileage ranges from 21 mpg in the city to 29 mpg on the highway and up to 36 mpg for the hybrid model.

Hybrid versions of the grand highlander are expected to check in at 34 mpg—versus 36 mpg for highlander models. 1984 to present buyer’s guide to fuel efficient cars and trucks.