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EV vs Petrol Car Maintenance: What Actually Costs Less?

EVs have fewer parts. Does that mean they're cheaper to maintain? Here's what the numbers say.

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Fewer parts, fewer problems?

An EV drivetrain has about 20 moving parts. A petrol car has around 2,000. Fewer things to break sounds good, right? Here's what actually happens.

What you don't pay for with an EV

No oil changes

Petrol cars need these every 10,000-15,000 km (6,000-9,000 miles). At €50-100 ($55-110) each, that's €200-400 ($220-440) over 40,000 km (25,000 miles).

No timing belt

These cost €400-800 ($440-880) to replace and need doing every 80,000-160,000 km (50,000-100,000 miles).

No exhaust system

Catalytic converters, mufflers, exhaust pipes. These can cost €500-2,000 ($550-2,200) when they go.

No transmission fluid

EV transmissions are simple and rarely need attention.

No spark plugs

Another €100-300 ($110-330) you keep in your pocket.

What EVs still need

Tyres

Actually, EVs can be harder on tyres. They're heavy and have instant torque. Budget €100-200 ($110-220) more per year.

Brakes

Regenerative braking means EV brake pads last 2-3 times longer. But they still need checking.

Cabin air filter

Same as any car. Replace every 15,000-30,000 km (9,000-18,000 miles).

Battery coolant

Some vehicles need this changed every 4-6 years.

12V battery

Yep, EVs have a regular car battery too. Replace every 3-5 years.

The elephant in the room: the main battery

EV batteries do wear out over time. Most warranties cover 8 years or 160,000 km (100,000 miles) with at least 70% capacity left. Replacing one costs €5,000-15,000 ($5,500-16,500).

But here's the thing: most batteries outlast their warranty by a lot. Many EVs will be scrapped for other reasons before the battery gives up.

What this adds up to

Studies show EVs cost 30-50% less to maintain over their lifetime. For a typical driver, that's €500-1,000 ($550-1,100) saved each year.

Factor this into your decision

When comparing cars, fuel isn't the whole story. Use the ownership calculator to include maintenance and see the complete picture.