Petrol car vs EV in India: which is cheaper to own?

Every EV ad shouts about savings and every petrol car looks cheaper on the sticker — and both are only telling you half the story. The honest question isn't which one costs less to buy; it's which one costs less to OWN, once you add up five years of fuel, servicing, road tax, insurance and depreciation. Do that maths and the answer flips depending on one thing most buyers never check: how much you actually drive. Here's the full picture for India in 2026.

The upfront gap: the EV starts behind

For a comparable car, an EV still costs more to buy — often ₹3–5 lakh more than the petrol equivalent, though the gap is narrowing every year. That's the EV's handicap at the starting line. But two things quietly claw it back before you've driven anywhere: many states waive or slash road tax and registration for EVs (a ₹50,000–1,00,000 saving baked into the on-road price), and the running cost is a different universe.

The running cost: where the EV pulls ahead

• Fuel vs charging — a petrol car costs roughly ₹6–8 per km at ~₹100/litre; an EV charged at home costs roughly ₹1–2 per km. That's a ₹4–6 saving on every single kilometre you drive.
• Servicing — an EV has far fewer moving parts (no oil, clutch, gearbox, exhaust), so annual service bills are typically lower and less frequent.
• Road tax & registration — often reduced or waived for EVs, unlike the 8–14% a petrol car pays.
• Insurance — usually a bit higher for an EV (higher value to insure), which trims some of the saving back.

That per-kilometre gap is the whole game. Drive a lot and it adds up fast; barely drive and it never gets the chance to.

The break-even: it's about your kilometres, not the brochure

Take the EV's extra upfront cost (say ₹3–4 lakh after any road-tax benefit) and divide it by what you save per kilometre (~₹5). That's the distance you must drive before the EV turns cheaper — very roughly 60,000–80,000 km. A heavy driver clocking 15,000–20,000 km a year crosses that line in about three to four years and saves for the rest of the car's life. A light city user doing 5,000 km a year may take a decade — longer than they'll even keep the car.

The two wildcards: battery and depreciation

Two costs are harder to pin down. EV batteries carry long warranties (commonly 8 years), so a replacement inside a normal ownership period is unlikely — but it's the number that keeps buyers up at night. And resale: EVs have historically depreciated faster because used-buyers were unsure about battery health, though that's steadily improving as EVs become mainstream. Both favour the petrol car slightly today, and both are shrinking as risks every year.

So there's no single winner — there's a winner for YOU. If you drive a lot, keep the car for years, and can charge at home, the EV almost always ends up cheaper to own despite the higher sticker. If you drive little, change cars often, or can't charge at home, the humble petrol car quietly wins on total cost. Work out your yearly kilometres first, then let the maths — not the marketing — pick the car.