Chevy Tahoe 2025 Mpg Comparison. Fyi, fuel tank sizes are approximately 28 and 24 gallons for suburban and tahoe, respectively. 1984 to present buyer's guide to fuel efficient cars and trucks.

The suvs in our 2025 chevy tahoe vs. On the low end is the high country which gets 16 mpg, with 14 mpg in the city and 18 mpg on the highway.