Toyota Grand Highlander 2024 Gas Mileage. In the city, the 4runner delivers 16 mpg and 19 mpg on the. The toyota 4runner is considered a gas guzzler as the v6 engine has an epa rating of 17 mpg combined.
2024 toyota grand highlander awd le/xle personalize find a car: Hybrid versions of the grand highlander are expected to check in at 34 mpg—versus 36 mpg for highlander models.