2024 Toyota Grand Highlander Hybrid Reviews. Toyota offers the grand highlander with three different powertrains: We’ve driven ~2,000 miles, and we’re at 26 mpg (estimated 35% city driving and 65% highway.

The 2024 toyota grand highlander hybrid gets up to 34 miles per gallon combined. The base gas model gets just 24 combined, and the hybrid max achieves up to 27 mpg combined.