CNG is no longer viewed as a choice for taxi fleets in India, it is increasingly being embraced by private car buyers because of its fuel-cost savings and increased availability at petrol stations. CNG cars offer significantly reduced running costs compared to petrol or diesel vehicles, with per-kilometer fuel expenses often around half that of petrol. This makes them very appealing, especially for city commuters and those with high daily mileage. Car owners can potentially save thousands annually, making its initial higher cost justified over time.
Manufacturers like Maruti Suzuki have capitalized on this over the last few years by offering factory-fitted CNG options in popular models like Wagon R, Swift, Baleno, Ertiga, and Brezza. Tata Motors is also addressing this demand with CNG variants of the Nexon, Punch, Tigor, etc. In addition, lower maintenance costs, due to cleaner combustion, also contributes to long-term savings. Below are the sales numbers of FY25, where CNG has overtaken Diesel to become the second-most opted for fuel option.
Factory‑Fitted CNG Across Popular Models
The CNG car segment in India is seeing unprecedented growth, with sales reaching over 7.15 Lakh units in calendar year 2024. Maruti Suzuki continues to dominate the market, accounting for roughly 72% of these sales, followed by Tata Motors at around 16%. Several Indian manufacturers are now offering CNG in the mid and top variants of popular models too, ensuring users do not have to sacrifice on convenience or features. For instance, Maruti Suzuki offers CNG options on models like the Grand Vitara’s Delta and Zeta trims or Ertiga top trims, all with full factory-fitted kits that maintain warranty and practicality. Tata provides CNG in its Punch, Nexon, Tiago, Tigor and Altroz models including automatic variants like Tiago iCNG AMT and Tigor iCNG AMT, while Nexon launched the first turbocharged CNG SUV in India. Even Honda has started offering retrofit CNG kits for its City, Amaze and Elevate at authorised dealerships, helping owners avail its benefits without losing vehicle practicality.
This growing variety means that buyers no longer have to compromise on features or trim levels when opting for CNG. The rising number of factory-fitted CNG options highlights the growing trust in the technology. This also appears to be a result of infrastructure expansion, such as more CNG stations being installed along highways and in Tier-2 and Tier-3 cities. Government initiatives and clarity of regulations around alternative fuels has also contributed to its growth.
Factory Fitted Or Retrofits?
A major factor in CNG’s success is the availability of both factory-fitted and retrofit options. Factory-fitted CNG cars come with fully integrated systems, safety features, and warranties, making them a worry-free option for buyers. Maruti’s S‑CNG lineup is a prime example, featuring dual ECU setups, stainless steel pipes, and leak detection systems to enhance the safety. On the other hand, retrofit kits allow owners of existing petrol cars to switch to CNG without replacing their vehicle. Manufacturers like Honda have started offering government-approved CNG kits at authorized dealerships, retaining warranty coverage and compliance. Renault and Nissan have taken a similar route, signalling broader acceptance of dealership-level CNG retrofitting. This dual availability provides flexibility for both new car buyers and existing owners looking for economical fuel solutions.
Cost Benefits & Real‑World Trade‑offs
Running a CNG car currently costs much less per kilometre compared to petrol. Models like Tata Tiago iCNG or Maruti Ertiga CNG provide mileage upwards of 24‑28 KM/KG, translating into major savings especially in city driving. This stands out as the convincing argument for many.
However, challenges remain. CNG stations still have large queues in major cities, making long-distance travel or rural use less practical. Factory-fitted CNG models often come at a higher price than their petrol equivalent, which can be a hurdle for budget-conscious buyers. Additionally, users may notice slightly reduced engine performance and boot space, especially in hatchbacks and compact sedans where the CNG tank takes up space.
Despite these limitations, for urban commuters with consistent access to refueling stations, CNG offers an affordable and eco-friendly choice. The evolving landscape of cleaner fuels suggests that CNG will continue to hold relevance in India’s transition toward greener mobility.
