CNG cars continue to be popular choice among the Indian customers who want to save money on fuel but want to continue using traditional cars instead of electric vehicles. In this Diwali, there is an availability of budget range cars by Maruti Suzuki, Tata Motors, and Renault, which have CNG system available either through factory fitted or by authorised dealers, with an average efficiency of more than 33 km/kg in certain models.
The best affordable CNG cars for Diwali 2026 are Maruti Suzuki S-Presso, Alto K10 and Wagon R along with Renault Kwid and Tata Tiago.
Top 5 Affordable CNG Cars: Price and Mileage
| Car | CNG Ex-showroom Price | Claimed CNG Efficiency |
|---|---|---|
| Maruti Suzuki S-Presso | ₹4.64–5.14 lakh | 32.73km/kg |
| Maruti Suzuki Alto K10 | ₹4.84–5.34 lakh | 33.40km/kg |
| Renault Kwid | ₹5.23–5.85 lakh | Not officially specified |
| Tata Tiago | ₹5.87–8.62 lakh | Varies by variant |
| Maruti Suzuki Wagon R | ₹5.94–6.49 lakh | 33.47km/kg |
All prices are ex-showroom. The Renault Kwid features a CNG kit installed by an authorized dealer instead of a factory installed one. Actual kilometers driven will vary according to driving conditions.

1. Maruti Suzuki S-Presso: The Most Affordable
The S-Presso CNG is available starting at ₹4.64 lakh and runs on a 1.0-litre naturally aspirated petrol engine. It generates 57PS and 82Nm of power in CNG configuration with efficiency of 32.73km/kg. Its small size makes it ideal for urban travel. However, its single-cylinder CNG engine makes the car less practical for luggage.
2. Maruti Suzuki Alto K10: Efficient and Compact

With a price range from ₹4.84 lakh to ₹5.34 lakh, the Alto K10 CNG is equipped with the same engine as the S-Presso and can achieve an efficiency of 33.40km/kg in CNG variant.
Six airbags and other electronic gadgets contribute to its overall attractiveness. However, the model available in CNG option uses only the manual gearbox.
3. Renault Kwid: SUV-like Exterior Design

The CNG package offered for the Kwid is fitted to it by its authorized dealers and its price range goes between ₹5.23 lakh to ₹5.85 lakh. This model features the 1.0-litre petrol engine with power and torque figures of 69PS and 92.5Nm in petrol form respectively.
4. Tata Tiago: More Practicality

The Tiago CNG variant is priced between ₹5.87 lakh and ₹8.62 lakh. The 1.2-litre engine generates 75.5PS and 96.5Nm in the CNG variant. A twin cylinder design aids in maintaining luggage space, while selected CNG variants also get an AMT gearbox.
5. Maruti Suzuki Wagon R: Family Space

This is priced starting at ₹5.94 lakh, and the Wagon R CNG has a tall body with more passenger-friendly space. This is equipped with a 1.0-litre engine that provides a power output of 57PS and 82.1Nm.
CNG Cars: Which One Should You Choose?
S-Presso and Alto K10 are great options for those with limited finances, whereas Wagon R gives preference to interior space. The Tiago deserves a try for those who desire more features and auto transmission in some variants. Before buying the car, be sure about the availability of CNG stations in your route.
Conclusion
The Maruti Suzuki is in charge of this list of cheap CNG vehicles, while the Tata Tiago provides extra usability and automatic options. The third one is the Renault Kwid that can be modified by an authorized dealer.
Make a choice depending on your budget, luggage requirements, and average travel distance, not mileage only.
FAQs
Which is the most economical CNG vehicle available in this list?
The Maruti Suzuki S-Presso is priced at ₹4.64 lakh ex-showroom for its CNG variants.
Which car gives the highest official CNG mileage?
The Alto K10 has 33.40km/kg, followed by the Wagon R which has 33.47km/kg. The official number of Wagon R is slightly higher at 33.47km/kg.
Does the Renault Kwid have a CNG version that comes as factory fitment?
No. It is an authorised dealership fitted option.
Does the Tata Tiago CNG offer an automatic gearbox?
Yes, selected CNG variants are available with an AMT transmission.