The most fuel-efficient three-row crossover SUVs on the market are hybrids like the Highlander, which don't need a plug to run. The regular Highlander's basic turbo-4

can get 22 city mpg, 29 highway mpg, 25 combined mpg with front-wheel drive, or 21 mpg with all-wheel

drive. You can achieve 36 mpg in the city, 35 mpg on the highway, and 36 mpg combined with a front-wheel

drive hybrid, or 35/35/35 with an all-wheel drive model. When compared against the V-6 in rivalry, it performs

better. On average, its fuel economy drops by 1 mpg due to its larger size and trim levels that are packed with features. The turbo-4 achieves 21/28/24 mpg with front-wheel drive and an additional 1 mpg with all-wheel

drive. Regardless of when  In either all-wheel drive or front-wheel drive configuration, the Grand Highlander hybrid gets 36/32/34 mpg.