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EV Savings Calculator India
Discover exactly how much you could save every month and every year by switching to an electric vehicle. Compare your real running costs and find your break-even point.
Petrol Car vs Electric Vehicle — True Cost of Running
The sticker price of an EV is higher than a comparable petrol car, but the running cost tells a very different story. In India, where petrol prices regularly cross ₹100 per litre, the cost advantage of EVs is substantial for anyone driving more than 1,000 km per month.
Real-World Comparison: Tata Nexon EV vs Nexon Petrol
| Parameter | Nexon Petrol | Nexon EV |
|---|---|---|
| Fuel efficiency | ~14 km/L (real) | ~5.8 km/kWh (real) |
| Fuel price | ₹102/L petrol | ₹8/kWh (home charging) |
| Cost per km | ~₹7.3/km | ~₹1.4/km |
| Monthly cost (1500 km) | ~₹10,900 | ~₹2,070 |
| Yearly cost | ~₹1,30,800 | ~₹24,840 |
| Yearly savings | ~₹1,05,960 | |
What is the Price Premium for an EV in India?
The EV variant of a car typically costs ₹3–8 lakh more than the equivalent petrol version. The Tata Nexon EV costs approximately ₹5 lakh more than the Nexon petrol. At ₹1,05,960 yearly savings, the break-even point would be roughly 4–5 years — after which the EV puts money back in your pocket every month.
Best EVs for High-Mileage Drivers in India (2025)
- Tata Tiago EV — Most affordable, ~6.5 km/kWh, ideal for city commuters
- Tata Nexon EV — Best-seller, 465 km range, ~5.8 km/kWh
- MG Windsor EV — Battery-as-a-service option available, 331 km range
- BYD Seal / Atto 3 — Premium with advanced tech, 400–500 km range
- Mahindra XEV 9e — Latest flagship, 656 km range, fast-charging support
Charging at Home vs Public Chargers
Home charging overnight on a standard 15A socket or 7.4 kW home charger costs ₹6–9 per kWh in most Indian states — making it far cheaper than petrol. Public DC fast chargers cost ₹12–18 per kWh and add convenience but at roughly 3–4× the per-km cost of home charging. Smart EV owners charge at home 80–90% of the time and use public chargers only on long trips.
Frequently Asked Questions
How is EV savings calculated?
Savings = (Monthly km driven × Petrol cost per km) − (Monthly km driven × EV electricity cost per km). Petrol cost per km = Petrol price ÷ Petrol mileage. EV cost per km = Electricity rate per kWh ÷ EV efficiency in km/kWh. Multiply monthly savings by 12 for yearly savings.
What is a typical EV efficiency (km/kWh) for Indian EVs?
Indian EVs typically deliver 5–7 km per kWh in real-world conditions. The Tata Nexon EV gets about 5.5–6 km/kWh, the MG ZS EV around 5–5.5 km/kWh, and the Tata Tiago EV up to 6.5–7 km/kWh. City driving with regenerative braking is usually more efficient than highway driving.
What electricity rate should I use for home charging?
Residential electricity rates in India range from ₹5–12 per kWh depending on your state and consumption slab. Most middle-income households pay ₹6–9 per kWh. Check your electricity bill for your applicable rate. Public fast chargers cost ₹12–18/kWh, so home charging is always cheaper.
Are there government subsidies for buying an EV in India?
Yes. The FAME II scheme provides subsidies on eligible electric cars. Many state governments also offer additional incentives — for example, Gujarat, Maharashtra, and Delhi have offered substantial subsidies on EV purchase. Check the latest FAME scheme beneficiary list before buying.
What are the hidden costs of owning an EV not covered in this calculator?
This calculator covers running fuel costs only. Other ownership costs include: home charger installation (₹15,000–30,000 one-time), higher insurance premiums for EVs (typically 10–20% higher than comparable petrol cars), and potential battery replacement costs after 8–10 years (though most manufacturers offer 8-year battery warranties).
Is EV maintenance cheaper than petrol cars?
Generally yes. EVs have fewer moving parts — no engine oil changes, no clutch, no exhaust system, no spark plugs. Annual maintenance typically costs ₹3,000–8,000 for an EV vs ₹10,000–25,000 for a comparable petrol car. Brake pads also last longer due to regenerative braking.
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