There are over 40 CNG cars on sale in India right now, starting around Rs 4.8 lakh for the Maruti Alto K10 CNG and going up to roughly Rs 15.7 lakh for the Toyota Urban Cruiser Hyryder CNG. If you drive more than 1,200 to 1,500 km a month in city traffic, a CNG car will almost always cost you less to run than the same car in petrol, sometimes by 35-40%. That's really the whole pitch for CNG cars in India: lower running costs, decent mileage, and lower tailpipe emissions, in exchange for a bit less boot space and slightly muted performance.

Below, we've broken this down by what people actually search for: the best options overall, 7-seater CNG cars for families, automatic CNG cars (there aren't many, and we'll explain why), and what's coming next.

Quick pick: top CNG cars by segment

Prices and mileage figures are ex-showroom and manufacturer-claimed; they'll move around a bit by city and variant.

Best CNG cars in India 2026, by what people actually need

If mileage is your only concern, the Maruti Wagon R CNG is hard to beat at 34.05 km/kg, and the Maruti Dzire CNG isn't far behind at 33.73 km/kg while giving you a proper sedan boot and a more comfortable ride on highways. Both use Maruti's factory-fitted twin-cylinder tech, which matters more than people realize; we'll get into why in the buying guide below.

If you want something cheaper to buy, the Maruti Alto K10 CNG starts under Rs 5 lakh and still returns close to 34 km/kg. It's a tight car for four adults, but for solo commutes or a second car, it's genuinely one of the most economical vehicles you can own in India, CNG or otherwise.

Want more space without stepping up to an SUV? The Tata Tiago iCNG and Tata Altroz iCNG both sit in the Rs 6.5-10.8 lakh range and come from Tata's dedicated CNG platform, which is the same one that lets them offer AMT with CNG (more on that shortly). If you'd rather browse the full lineup by brand, our <a href="https://cars.com.cm/cars/brand/tata">Tata cars page</a> and <a href="https://cars.com.cm/cars/brand/maruti">Maruti Suzuki cars page</a> list every current model side by side.

For buyers who want SUV looks and ground clearance, the Tata Punch iCNG (from Rs 6.80 lakh) and Maruti Brezza CNG (from Rs 9.30 lakh) are the two most cross-shopped options. The Punch is smaller and cheaper; the Brezza has a bigger cabin and a stronger badge for resale. Either way, it's worth cross-checking against our broader <a href="https://cars.com.cm/cars/filter/type-suv">SUV listings</a> before you decide, since a few petrol-only SUVs in the same price band might suit you better if your daily running is low.

7-seater CNG cars in India

Families cross-shopping seven-seaters have two real options right now: the Maruti Ertiga CNG (Rs 10.86-11.93 lakh, 26.11 km/kg) and the Kia Carens CNG (from Rs 11.77 lakh). The Ertiga is the more practical buy day to day, it's been around longer, Maruti's service network is everywhere, and the CNG tank doesn't eat into the third-row legroom the way it does in some smaller cars. The Carens is roomier and better equipped, but its 1.5-litre engine returns a much lower 12.6 km/kg on CNG, so the fuel savings aren't as dramatic.

One honest caveat here: in any 7-seater CNG car, expect the boot to shrink noticeably with the third row up. If you regularly travel with a full family and luggage, sit in the car with the tank fitted (most dealers can show you) before you commit.

Automatic CNG cars in India

This is where a lot of buyers get confused, so let's be direct about it: as of 2026, no CNG car in India comes with a true torque-converter or CVT automatic. What you'll find instead is CNG paired with an AMT (automated manual transmission), and only from Tata. That covers the Tata Tiago iCNG AMT, Tata Punch iCNG AMT, and Tata Altroz iCNG AMT, roughly Rs 7-10.7 lakh depending on the model and variant.

Why so limited? Most other automakers still route CNG lines through a single cylinder that eats into the space an automatic gearbox and its wiring would otherwise use, and tuning an automatic transmission's shift logic around CNG's different torque curve adds cost most brands haven't bothered with yet. Tata's twin-cylinder setup frees up enough room to make the AMT combination possible, which is genuinely one of the more useful bits of engineering in this segment right now.

Upcoming CNG cars in India

The next confirmed launch is the Tata New Tigor CNG, expected around October 2026 at an estimated Rs 5.49-8.83 lakh. Beyond that, the trend across the industry is pretty clear: Maruti, Tata, and Hyundai have all been adding CNG variants to nearly every mass-market model they sell, so expect more of the same rather than any radical new CNG-only vehicle. If a specific upcoming launch matters to you, our <a href="https://cars.com.cm/#tab-vehicle-slider">upcoming cars section</a> tracks confirmed launch dates as they're announced.

CNG vs petrol vs diesel: what you actually save

Here's a real example instead of a vague percentage. In Delhi, CNG currently runs about Rs 83/kg and petrol about Rs 98/litre. Take the Wagon R: on CNG it does 34.05 km/kg, working out to roughly Rs 2.44 per km. On petrol it does 24.35 kmpl, or about Rs 4.02 per km. That's close to 40% cheaper per kilometer on gas.

Diesel used to be the default for high-mileage drivers, but with diesel cars getting pricier to buy and service (and increasingly restricted in some cities), CNG has mostly taken over that role for anyone doing serious city or intercity running. The math only really works in CNG's favor if you're covering distance, though. If you're doing under 800-1,000 km a month, the extra upfront cost of the CNG variant might take years to pay back, and a plain petrol car could work out cheaper overall.

How to pick the right CNG car

A few things worth knowing before you buy, that dealers won't always volunteer:

Factory-fit beats retrofit, almost always. Every car listed above comes with CNG fitted at the factory, which means it's covered under warranty and engineered to work with that specific engine. Retrofitted kits (fitted after purchase by a third party) are cheaper but void your engine warranty and are generally rougher on long-term reliability. Stick to factory-fit unless you have a very specific reason not to.

Twin-cylinder tech saves your boot. Older CNG cars used one large cylinder that could swallow most of the boot. Maruti's and Tata's newer twin-cylinder setups split that gas storage into two smaller tanks, which gets you meaningfully more usable boot space, sometimes the difference between fitting a stroller and not.

Factor in service costs. CNG engines need slightly more frequent maintenance (spark plug and injector checks especially) than an equivalent petrol engine, since the fuel burns hotter. It's not a huge cost, but budget for it rather than assuming CNG service is identical to petrol.

Don't ignore mileage on petrol mode. Every CNG car in India can also run on petrol, useful when you can't find a filling station. Check that number too, it matters more than people think for road trips outside CNG-covered cities.

FAQs

Which is the best CNG car in India right now?

It depends on what you need. For mileage, the Maruti Wagon R CNG (34.05 km/kg) and Dzire CNG (33.73 km/kg) lead the pack. For families needing seven seats, the Maruti Ertiga CNG is the more practical pick over the Kia Carens CNG.

Are there 7-seater CNG cars in India?

Yes, the Maruti Ertiga CNG and Kia Carens CNG are the two available right now, priced from roughly Rs 10.86 lakh and Rs 11.77 lakh respectively.

Is there an automatic CNG car in India?

Not a true automatic. Tata offers CNG with AMT on the Tiago, Punch, and Altroz, and that's currently the closest thing to a self-shifting CNG car on sale in India.

What's the cheapest CNG car in India?

The Maruti Alto K10 CNG, starting at around Rs 4.82 lakh ex-showroom, followed closely by the S-Presso CNG.

Does CNG reduce car performance?

A bit, yes. Most CNG variants lose some power and torque compared to their petrol counterparts, because the fuel burns differently in the engine. For city driving it's rarely noticeable; for a lot of highway overtaking, you might feel it.

How much does a CNG kit fitting cost if I want to retrofit?

Retrofitting typically runs Rs 60,000-90,000 depending on the kit and car, but it voids your factory warranty, which is why we'd point most buyers toward a factory-fitted CNG variant instead.