Do Electric Cars Need Oil? What EVs Use Instead and What Still Needs Servicing

Electric cars do not need engine oil or oil changes, because they have no engine. They do still use a few fluids: a small amount of oil in the reduction gearbox, coolant for the battery and motors, and brake fluid, which some makers replace every two years.

Why don’t electric cars need oil changes?

Electric cars don’t need oil changes because there is no combustion engine to lubricate. In a petrol or diesel car, engine oil keeps pistons, crankshaft, camshafts and valves from wearing against each other, and it breaks down with heat and use, which is why it is drained and replaced at service time. An electric motor has none of those parts, so there is nothing for engine oil to do.

The AA puts the difference in scale plainly: an EV drivetrain has around 20 or fewer parts, while a combustion engine has hundreds of moving parts. Fewer moving parts means less to lubricate and less to wear out. Honda UK’s own EV servicing guide says it directly: no oil changes are required.

That also answers the related question of whether electric cars need petrol or diesel: they need neither. The battery is the only energy store, and the electricity that fills it is the running cost that replaces fuel, as the worked example below shows.

Do electric cars use any oil at all?

Most electric cars do use a small amount of oil, but in the gearbox rather than an engine. An electric motor spins much faster than the wheels, so a single-speed reduction gear sits between them, and those gears run in sealed lubricant. Our guide to whether electric cars have gears explains how that gearbox works. The AA says this reduction gearbox oil may need changing over the car’s lifespan.

In practice it is rarely touched. Kia’s European maintenance schedule for the EV6 inspects the reduction gear fluid at 48, 96, 144 and 192 months, which is once every four years, and only schedules a replacement every 80,000 miles under severe use, or any time the car has been submerged in water. Tesla’s published service intervals for the Model 3 list no gear oil change at all.

So electric cars don’t need transmission fluid in the way a car with a multi-speed gearbox does. The reduction gear fluid is the only transmission lubricant, and for most owners it is a check, not a change.

Do electric cars need coolant?

Yes, electric cars need coolant. The battery, motors and power electronics all produce heat, and a liquid cooling loop keeps the battery in the temperature range where it charges quickly and ages slowly. The AA notes that EV cooling systems are sealed and should only be checked by a qualified high-voltage technician, so topping up is not a driveway job.

How often coolant is changed depends on the maker, and the official advice differs more than for any other fluid. Kia’s EV6 schedule replaces the coolant first at 140,000 miles or 120 months, then every 20,000 miles or 24 months after that. Honda UK’s guide says coolant only needs checking and topping up and never needs changing. Tesla’s Model 3 intervals list no coolant change, and warn that any damage caused by opening the battery coolant reservoir is excluded from the warranty. The owner’s manual for your car, not a general rule, decides this one.

Do electric cars need brake fluid?

Yes, electric cars need brake fluid, and it is the fluid most likely to be replaced on a fixed schedule. Every EV has hydraulic friction brakes alongside regenerative braking, so it carries brake fluid just as a petrol car does.

The schedules vary by maker:

• Kia replaces the EV6’s brake fluid every 24 months under its European schedule.
• Tesla runs a brake fluid health check every 4 years on the Model 3, replacing it if necessary, and says towing, long mountain descents or performance driving may call for more frequent checks.
• Volkswagen Financial Services’ two-year Essentials plan for the ID range includes one inspection and one brake fluid change if required.

Does regenerative braking mean the brakes never need work?

No, the brakes still need attention, though the pattern of wear is different. Regenerative braking uses the motor to slow the car and return energy to the battery, which takes load off the pads and discs. The AA says you will still need to replace pads and discs occasionally.

The bigger risk is the opposite of wear. A BVRLA-commissioned analysis of 47.4 million UK MOT tests by New AutoMotive, reported by Carwow on 22 September 2026, found brake defects were less common in high-mileage electric cars, but older low-mileage EVs had more friction brake defects, which the researchers linked to corrosion from infrequent use. Tesla’s intervals reflect this: clean and lubricate the brake calipers every year or 12,500 miles where roads are salted in winter, which covers UK drivers on gritted roads.

The same study found electric cars had roughly 1.8 times as many tyre defects as petrol cars, so tyres, not oil, are the item to watch. It also found EV MOT failure rates levelled off at 16% while petrol failures kept rising; above 120,000 miles, 16% of EVs failed against 23.5% of petrol cars. Our guide to MOT tests for electric cars covers what the examiner checks.

Do Teslas need oil changes?

No, Teslas do not need oil changes. Tesla’s published Model 3 service intervals are short:

• brake fluid health check every 4 years, replaced if necessary
• cabin air filter every 2 years
• wiper blades every year
• brake calipers cleaned and lubricated every year or 12,500 miles on salted roads
• tyres rotated every 6,250 miles
• A/C desiccant bag every 6 years, on cars built before about 2021

There is no engine oil, gear oil or coolant change on the list, and Tesla says its cars should generally be serviced on an as-needed basis. Our guide to Tesla servicing and maintenance costs puts prices on those jobs.

Do hybrid cars need oil changes?

Yes, hybrid cars need oil changes, because they still have a petrol engine. Toyota UK services its hybrid C-HR every 12 months or 10,000 miles, whichever comes first, and the minor service includes an oil and filter change. Plug-in hybrids carry a petrol engine too, so they keep the oil change alongside the electric parts.

If avoiding oil changes, filters and engine wear matters to you, only a fully electric car removes them. A plug-in hybrid adds a battery and motor to the engine’s servicing, rather than replacing it.

What does need maintaining on an electric car?

An electric car still needs a regular service, a set of fluid and filter changes, and close attention to tyres and brakes. The table sets two published European schedules side by side.

Item	Kia EV6 (European schedule)	Tesla Model 3 (published intervals)
Engine oil and filter	None: no engine	None: no engine
Reduction gear fluid	Inspect every 48 months; replace every 80,000 miles under severe use	No interval listed
Coolant	Replace first at 140,000 miles or 120 months, then every 20,000 miles or 24 months	No interval listed
Brake fluid	Replace every 24 months	Health check every 4 years, replace if necessary
Cabin air filter	Replace every 24 months	Replace every 2 years
Brake discs and pads	Inspect every 24 months	Clean and lubricate calipers yearly or every 12,500 miles on salted roads
Tyres	Inspect every 24 months	Rotate every 6,250 miles
Main service	Every 24 months or 20,000 miles	Generally as needed

Other makers set different rhythms. Honda says its EVs typically need a service every 12 months. Whatever the schedule, the MOT rules are the same as for a petrol car: gov.uk says the first test is due by the third anniversary of registration, then every year. Our breakdown of how much it costs to service an electric car compares typical bills.

Worked example: a Range Rover Electric with no oil to change

A Range Rover Electric shows where the money goes once there is no oil. JLR lists it from £154,070 in November 2026 for the EV550 Autobiography SWB, with a 118.5 kWh usable battery, a 372-mile WLTP range and two motors producing 550 PS. It has no engine oil to change; its main running consumable is electricity.

EV Compared worked out its energy costs from the official figures: efficiency is WLTP miles divided by usable battery, priced at a 6.5p/kWh off-peak home rate, the 26.32p/kWh price cap and an 82p/kWh public rapid average, ignoring charging losses (our methodology).

Range Rover Electric (118.5 kWh, 372 miles WLTP)	Home off-peak, 6.5p/kWh	Price cap, 26.32p/kWh	Public rapid, 82p/kWh
Full charge	£7.70	£31.19	£97.17
Pence per mile	2.1p	8.4p	26.1p
8,000 miles	£166	£671	£2,090

That works out at 3.14 miles per kWh. On a cheap overnight tariff, 8,000 miles costs £166 in electricity; charging the same miles on public rapid chargers costs £2,090. Our guide to the cost of charging an EV at home shows how the tariff changes the sum.

The fluids that remain still need watching on a car like this. Land Rover quotes a towing capacity of up to 2,500 kg, and towing loads the friction brakes; Tesla’s own guidance for its cars says towing can call for more frequent brake fluid checks. Owners who tow should ask the dealer what interval applies. JLR says its ThermAssist heat management system supports battery longevity and performance in extreme temperatures, and that each car has a Battery Digital Twin monitoring over 900 diagnostic data points to support proactive maintenance. The propulsion system carries an 8 year or 100,000 mile warranty.

What does this mean for choosing an electric car?

Servicing should not decide which electric car you buy, but three checks are worth making before you sign. First, look up the service interval: a car on a 24-month schedule, like the Kia EV6, needs half the visits of one serviced every 12 months. Second, check what a service plan includes, especially brake fluid, since that is the one fluid most EVs change regularly. Third, budget for tyres, because the MOT data shows electric cars carry more tyre defects. For other assumptions that trip up new owners, see the biggest myths about switching to an EV.

Low-mileage drivers should ask for the brakes to be checked at every service, since corrosion, not wear, is the brake problem the MOT data points to. High-mileage drivers gain most: the same study found EV failure rates stayed below petrol cars’ beyond 120,000 miles. Battery health and warranty cover are the bigger long-term questions; see how long electric car batteries last.

Our verdict, based on published manufacturer schedules rather than our own testing: the claim that electric cars need no maintenance is a myth, but the claim that they need no oil changes is true. An EV suits drivers who want fewer, simpler services and no oil, filters or exhaust to pay for. It suits less well anyone expecting no garage visits at all, or a driver whose car covers few miles and rarely uses its friction brakes. For the full picture of running costs, read what an electric car really costs to own.