2024 Honda Navi Mpg Comparison. Your actual mileage will vary depending on how you ride, how you maintain. Just curious if anyone knows what’s happening with the navi in 2024 in america?
Your actual mileage will vary depending on how you ride, how you maintain. The grom’s 125cc engine gets about 134 miles per gallon (mpg), while the navi’s 109cc engine still gets a great 110 mpg.