Pros
1) I am talking about alto k10 CNG 2018 model
2) looks are good as compared to 800
3) a complete family package to run around 300 km per day
4) City average 28km and highway 32 km per kg
5) AC is quite impressive
6) Space is inside cabin reasonable
Cons
1) Space is neglected able in Backdoor due to CNG cylinder
2) seat comfort for a long journey is not adequate
Although I have modified seat for lumbar, Thai and side support