Maruti Suzuki Alto 800 S-CNG is the most affordable CNG car in India. It gets a 796 cc engine, a CNG cylinder with 60-litres water equivalent filling capacity, and returns a fuel efficiency of 31.59 km/kg.gets the option of CNG powertrain on two variants — LXI and LXI (O). Maruti Suzuki Alto 800 CNG LXI variant gets body-coloured bumpers, body-coloured door handles, dual-tone interior with silver accents on the door handles and steering wheel, AC with heater, power steering, and front power windows. The vehicle also gets front sun visor, remote fuel lid opener, and remote back door opener. Safety features on the Alto LXI S-CNG model include a driver-side airbag, reverse parking sensors, ABS with EBD, speed alert system, and seat belt reminder for driver and co-driver. The LXI (O) variant gets front passenger airbag in addition to the provisions available on Alto 800 LXI CNG variant.