Petrol in Ahmedabad costs Rs 101.83 per litre and CNG on the Adani Total Gas network costs Rs 94.02 per kg (prices as of August 2026). For a typical hatchback that does 18 km/l on petrol and 28 km/kg on CNG, that works out to Rs 5.66 per km on petrol versus Rs 3.36 per km on CNG — a saving of Rs 2.30 every kilometre.
Here is what that difference adds up to every month in Ahmedabad:
Monthly cost: CNG vs petrol in Ahmedabad
| Monthly driving | Petrol cost | CNG cost | You save |
|---|---|---|---|
| 1,000 km | Rs 5,657 | Rs 3,358 | Rs 2,299 |
| 1,500 km | Rs 8,486 | Rs 5,037 | Rs 3,449 |
| 2,000 km | Rs 11,314 | Rs 6,716 | Rs 4,599 |
CNG kit payback period in Ahmedabad
A sequential CNG kit installed in Ahmedabad typically costs around Rs 65,000. In Ahmedabad the CNG kit takes about 18.8 months to pay for itself at 1,500 km a month. That is still worthwhile if you drive consistently, but the case is weaker for occasional drivers.
Check your own numbers
The calculator below is already loaded with today’s Ahmedabad prices. Change the driving distance, mileage or kit cost to match your car and see your own payback period.
Prefilled with current Ahmedabad fuel prices. Adjust any value to match your car.
Frequently Asked Questions
What is the CNG price in Ahmedabad today?
CNG in Ahmedabad costs about Rs 94.02 per kg on the Adani Total Gas network (as of August 2026). Petrol is about Rs 101.83 per litre.
How much money does CNG save per month in Ahmedabad?
Driving 1,500 km a month, a CNG hatchback in Ahmedabad costs about Rs 5,037 in fuel versus Rs 8,486 on petrol — a saving of roughly Rs 3,449 every month.
What is the CNG kit payback period in Ahmedabad?
With a Rs 65,000 kit and 1,500 km of monthly driving, the payback period in Ahmedabad is about 18.8 months at current prices.
Is converting to CNG worth it in Ahmedabad?
Worth it if you drive consistently — payback is about 18.8 months at 1,500 km/month.
What is the per-km cost of CNG vs petrol in Ahmedabad?
About Rs 3.36 per km on CNG versus Rs 5.66 per km on petrol, assuming 28 km/kg and 18 km/l respectively.