The transmission is a[n] 9-Speed Automatic with front-wheel drive. How big is the 2021 Buick Envision Preferred FWD's fuel tank? How efficient is a 2021 Buick Envision Preferred FWD? The 2021 ...

Efficiency for the Buick Envision is 10.5 L/100km in the city, 8.2 L/100km on the highway and 9.5 L/100km combined according to NRCan’s fuel ... in the Avenir. Buick covers the 2021 with a ...