2025 Highlander Grand Mpg. 21 mpg city | 28 highway | 24 combined (fwd) or 21 mpg city. The most accurate 2025 toyota grand highlanders mpg estimates based on real world results of 482 thousand miles driven in 105 toyota grand highlanders.

The nonhybrid grand highlander is rated as high as 21 mpg city and 28 mpg highway by the epa. As for how grand the grand highlander drives in general, we didn’t get.