This is in regards to your query posted on the website CarDekho.com, we would like to inform you that as of now Toyota has not officially declared about the launch of Etios Diesel, but as per the sources the diesel variant of Etios is speculated to be brought in by the end of this year, after the launch of Toyota Etios Liva(hatchback).
lpg kits are approved via govt of india. UNITAX is best bec its cheaper kit and isi approved only cost 9000rs from 900cc to 1500cc vahicals + 2500rs extra for government approval on your RC.
u can install lpg kit in any patrol car.
etios is just a entry level sedan in Australia ppl do lpg conversation on almost every high end cars like ford falcon holden commodor toyota camery etc. bec lpg is cheaper.
and 100% taxis run on lpg I had a toyota Rav4 fitted with Lpg converson kit.
Both Toyota Etios and Swift Dzire are good options, while the Etios has space, Swift certainly has a powerful engine, better interiors and after sales services. The Dzire also enjoys better resale value.