Today's Petrol Price/Rate in Siwan

Find today's Petrol price in Siwan. The latest petrol rates are regularly updated here. Read on to find out the current petrol price in Siwan.

Updated on

21 Jul 2026

Today's Petrol Price in Siwan

₹ 113.37/ 1 ltr

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Petrol Price in Siwan (Today & Yesterday)

LtrTodayYesterdayPrice Change
1 ltr₹ 113.37₹ 113.37

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Petrol Price in Siwan for Last 10 days

DatePrice
21 Jul 2026₹ 113.37(0)
20 Jul 2026₹ 113.37(0)
19 Jul 2026₹ 113.37(0)
18 Jul 2026₹ 113.37(0)
17 Jul 2026₹ 113.37(0)
16 Jul 2026₹ 113.37(0)
15 Jul 2026₹ 113.37(0)
14 Jul 2026₹ 113.37
13 Jul 2026₹ 99.36
12 Jul 2026₹ 113.37(0)

Petrol Price Weekly Comparison

*Disclaimer: Bankbazaar makes no guarantee or warranty on the accuracy of the data provided on this site, the prevailing rates are susceptible to change with Market value and provided on an as-is basis. Nothing contained herein is intended or shall be deemed to be investment advice, implied or otherwise. We accept no liability for any loss arising from the use of the data contained on this website.

Updated On - 21 Jul 2026

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Petrol Price in Siwan

Petrol rates in Siwan are revised by Oil Marketing Companies (OMCs) on a daily basis. Petrol prices vary slightly across different cities in Siwan due to transportation costs, local taxes, and dealer commissions.  

Understanding Petrol Price Components in Siwan 

The final price you pay at the petrol pump in Siwan comprises several important components. Understanding these elements helps you know why petrol prices fluctuate and how different factors influence costs: 

  • International Crude Oil Price: This is the most significant component, typically representing 30-40% of the final price. Global crude oil prices depend on geopolitical events, supply-demand dynamics, and economic conditions worldwide. 
  • Refining and Processing Costs: Oil marketing companies incur substantial expenses to refine crude oil into petrol, including operational costs, labour, and equipment maintenance (approximately 5-10% of the price). 
  • Transportation and Distribution: Costs associated with transporting petrol from refineries to petrol stations across the state add to the final price (approximately 3-5%). 
  • Central Excise Duty: The central government levies a fixed excise duty on petrol, contributing significantly to the final cost (approximately 25-30% of the price). 
  • State VAT (Value Added Tax): Siwan imposes a state VAT on petrol, making it a major cost component for consumers. 
  • Dealer Commission: Petrol pump operators receive a small commission on every litre sold to cover operational expenses and profit margins. 
  • Pollution Cess: A small environmental levy is added to promote sustainable fuel practices and environmental protection. 
petrol price in siwan

Key Factors Affecting Petrol Prices in Siwan 

Global Factors 

  • International Crude Oil Prices: Petrol prices in Siwan are directly linked to global crude oil benchmarks. When crude prices rise, petrol becomes more expensive, and vice versa. 
  • USD-INR Exchange Rate: Since crude oil is traded in US dollars, fluctuations in the Rupee's value against the Dollar significantly impact domestic petrol prices. 
  • Geopolitical Events: Political tensions, wars, and conflicts in major oil-producing regions can cause sudden spikes in global crude prices, affecting Siwan's petrol rates. 

Domestic Factors 

  • Government Taxes and Duties: Changes in central excise duty or state VAT directly influence petrol prices at the pump. 
  • Refinery Operations: The efficiency and capacity of refineries in India affect how quickly price changes are reflected at petrol stations. 
  • Demand and Supply Dynamics: During summer holidays or festive seasons, increased travel demand can influence prices temporarily. 
  • Oil Marketing Companies' Policies: Strategies adopted by Indian Oil, Hindustan Petroleum, and Bharat Petroleum affect pricing decisions. 

How Daily Petrol Price Updates Work in Siwan 

Understanding the mechanism behind daily price updates is essential for consumers. Here's how the system operates: 

  • Daily Revision Time: Petrol prices are revised daily at 6:00 a.m. across Siwan. 
  • Dynamic Fuel Pricing: This mechanism, implemented from 16 June 2017, determines prices based on global crude oil rates and currency exchange rates of the previous day. 
  • Uniform Updates: All three major oil marketing companies (Indian Oil, Hindustan Petroleum, and Bharat Petroleum) update their prices simultaneously. 
  • Automated Systems: Modern petrol pumps use automated display systems that update prices instantly. Some older pumps may update prices manually. 
  • Weekly Revision (Previously): Before dynamic pricing was introduced, petrol prices were revised fortnightly (every 15 days), creating price volatility. 

Fuel Efficiency Tips to Save Money on Petrol in Siwan 

Vehicle Maintenance 

  • Regular Engine Servicing: A well-maintained engine runs more efficiently. Schedule service intervals every 5,000-7,500 kilometres to keep your engine in optimal condition. 
  • Tyre Pressure Monitoring: Under-inflated tyres increase rolling resistance and fuel consumption. Check tyre pressure monthly and maintain the manufacturer's recommended PSI levels. 
  • Air Filter Replacement: A clean air filter ensures proper fuel combustion. Replace it every 15,000-20,000 kilometres or when visibly dirty. 
  • Fuel Filter Cleaning: A clogged fuel filter restricts fuel flow and reduces efficiency. Clean or replace it as per your vehicle's service schedule. 
  • Engine Oil Quality: Use the correct grade of engine oil recommended by your manufacturer. High-quality oils reduce friction and improve fuel economy by up to 2%. 

Driving Habits 

  • Smooth Acceleration: Avoid aggressive acceleration and sudden braking. Accelerate gradually and smoothly to improve fuel efficiency by 10-15%. 
  • Maintain Consistent Speed: Driving at a steady speed on highways (80-100 km/h) consumes less fuel than constant speed variations. 
  • Reduce Idling Time: Idling consumes fuel without moving your vehicle. Switch off the engine if you anticipate stopping for more than 30 seconds. 
  • Plan Your Routes: Avoid heavy traffic congestion by travelling during off-peak hours. Less stop-and-go driving improves fuel economy significantly. 
  • Remove Unnecessary Cargo: Extra weight reduces fuel efficiency. Every 50 kilograms of additional weight increases fuel consumption by approximately 1-2%. 

Fuel Quality and Vehicle Selection 

  • Choose High-Quality Petrol: Refuel at established petrol stations to ensure fuel quality. Contaminated fuel reduces engine efficiency. 
  • Modern Vehicles are More Efficient: If considering a new vehicle, modern cars with advanced engine technology consume significantly less fuel than older models. 
  • Hybrid and Electric Options: Consider hybrid or electric vehicles for maximum fuel savings and environmental benefits. 
  • Appropriate Engine Size: Choose vehicles with engine sizes suitable for your needs. Smaller engines are generally more fuel-efficient than larger ones. 
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