Kia Carnival 2025 Hybrid Mpg Rating. In one stroke, kia seems to have erased the carnival's biggest. While the gas variant delivers a fuel economy of 21 mpg, 18 mpg (city)/26 mpg (highway)/21 mpg (combined), the hybrid variant returns 34 mpg (city)/31 mpg (highway)/33.

The epa rates the carnival hybrid at 33 mpg combined, 34 mpg city, and 31 mpg highway, a significant boost over. 2025 kia carnival hybrid starts at nearly $42k;