Today’s petrol price in Chennai is ₹100.76 per litre and diesel is ₹92.34 per litre (as of 29 April 2026). Oil marketing companies revise prices at 6:00 AM every day.
Chennai’s petrol is ₹5.99 more expensive than Delhi’s and ₹2.16 cheaper than Bangalore’s — Tamil Nadu’s VAT and cess structure sits in the middle of Indian states.
Why petrol costs ₹100.76 in Chennai
| Component | Amount (₹/litre) |
|---|---|
| Base price (ex-refinery) | ~56.00 |
| Central excise duty | 19.90 |
| Tamil Nadu VAT (~15%) + cess | ~17.10 |
| Dealer commission | ~3.76 |
| Green cess / road development cess | ~4.00 |
| Total pump price | ~100.76 |
Tamil Nadu applies a combination of VAT and an additional cess which takes the effective levy to about 21% of the base price — lower than Karnataka and Telangana, but higher than Delhi and Gujarat.
Petrol price history in Chennai (recent months)
| Month | Petrol (₹/L) | Diesel (₹/L) |
|---|---|---|
| April 2026 | 100.76 | 92.34 |
| March 2026 | 100.76 | 92.34 |
| February 2026 | 100.76 | 92.34 |
| January 2026 | 100.76 | 92.34 |
| December 2025 | 100.76 | 92.34 |
Monthly fuel cost for Chennai commuters
At ₹100.76/litre, here’s what common vehicles cost per 1,000 km in Chennai:
| Vehicle | Mileage | 1,000 km fuel cost |
|---|---|---|
| Maruti Suzuki Alto | 24 km/L | ₹4,198 |
| Hyundai i20 | 19 km/L | ₹5,303 |
| Toyota Innova Crysta (diesel) | 13 km/L | ₹7,103 (diesel) |
| Honda Activa 6G | 50 km/L | ₹2,015 |
| Hero Splendor+ | 60 km/L | ₹1,679 |
| TVS iQube Electric | ~3.8 km/unit | ~₹475/1,000 km |
Chennai vs other Tamil Nadu cities
| City | Petrol (₹/L) | Diesel (₹/L) |
|---|---|---|
| Chennai | 100.76 | 92.34 |
| Coimbatore | 100.72 | 92.30 |
| Madurai | 100.74 | 92.32 |
| Salem | 100.73 | 92.31 |
Prices are nearly identical across Tamil Nadu — the state-level VAT and cess applies uniformly. Small differences (₹0.02–0.05) come from transport cost variations.
Chennai vs major metros
| City | Petrol (₹/L) | Difference vs Chennai |
|---|---|---|
| Delhi | 94.77 | −₹5.99 |
| Ahmedabad | 93.08 | −₹7.68 |
| Chennai | 100.76 | — |
| Bengaluru | 102.92 | +₹2.16 |
| Mumbai | 103.44 | +₹2.68 |
| Hyderabad | 107.41 | +₹6.65 |
Chennai is mid-range among metros — cheaper than Hyderabad, Mumbai, and Bangalore, but more expensive than Delhi and Ahmedabad.
Frequently asked questions
What is today’s diesel price in Chennai?
Today’s diesel price in Chennai is ₹92.34 per litre (as of 29 April 2026). Note that Chennai’s diesel is among the more expensive in India — Tamil Nadu’s cess on diesel is relatively high compared to states like Chandigarh (₹83.02) or Gujarat (₹88.07).
How do I check petrol price in Chennai tomorrow?
Prices are revised at 6:00 AM daily. Check this page after 6 AM for the updated price. You can also check the IOCL website, BPCL app, or send an SMS “RSP” to 9224992249 (Indian Oil).
Does Chennai have CNG pumps?
CNG infrastructure in Chennai is limited compared to Delhi or Mumbai. IGL and MNGL don’t operate in Chennai; the city runs mostly on petrol, diesel, and LPG for autos. EV adoption is growing faster than CNG conversion in Chennai.
Sources
- Indian Oil Corporation: daily RSP (retail selling price) data
- Tamil Nadu Government: petroleum products VAT schedule
- Ministry of Petroleum: fuel pricing formula and data portal