Electric Car Maintenance: What to Expect

February 24, 2022
Tesla maintenance

Electric car maintenance is just one of many “new” experiences you’ll encounter when you buy your first EV. Instead of spending $50 at a gas station in a five-minute fill up, EV drivers plug in at home and spend $5 for an overnight charge. On the other hand, road trips require more planning and flexibility with an EV, at least until chargers are more common (and it looks like that will be soon). 

Another adjustment for drivers making the switch concerns maintenance and routine care. Electric car maintenance is not the kind of project you can do in your home garage using tutorial videos. It’s important to start by addressing a common EV ownership myth: electric cars are not maintenance-free. Of course, no mode of transportation is maintenance-free. Even riding a bicycle requires routine and unexpected work to keep the tires in motion and in good working condition. Fortunately, fewer moving parts should mean less maintenance overall. Is that always the case?

In this electric car maintenance guide, we’ll explain routine EV maintenance, and how often you should expect to make a service center visit.

What’s Similar About Electric Car Maintenance?

The takeaway is that although electric cars require less maintenance, they do still need attention every once in a while. Just like a traditional internal combustion engine vehicle, EVs need:

  • Tires monitoring and replacement
  • The car’s 12 Volt battery may need replacing (it powers smaller electronics)
  • HVAC maintenance
  • Brake maintenance
  • Cabin air filter replacement

What’s Different About Electric Car Maintenance?

Here’s the honest truth about EV maintenance needs:

Pros

  • No oil changes
  • Fewer moving parts means less likelihood of mechanical failure
  • No timing belts, radiator fluids or fuel filters
  • Brakes wear slowly due to regenerative braking

Cons

  • Faster tire wear
  • Don’t risk working on electrical components at home
  • Any battery or electric motor work will need to be done at the automaker’s service center

Electric Car Routine Maintenance

The past decade of electric vehicle sales has shown that the vast majority of fully-electric models require less maintenance than combustion counterparts. So much so that automakers promote maintenance cost savings in their marketing campaigns for the dozens of EVs coming out in 2022.

EVs have a higher upfront cost, so it’s important to find ways of making up for the difference with fuel savings and today’s focus: electric car maintenance.

Here’s what you can expect when transitioning to a fully-electric vehicle.

Tires

IONIQ 5 maintenance
2022 Hyundai IONIQ 5

Electric vehicles are very heavy. Popular electric crossovers like the Volkswagen ID.4 and Tesla Model Y weigh as much as a heavy-duty pickup truck. Tires undergo greater wear and tear on an electric vehicle everytime the car accelerates or slows to a stop. Many EV owners report needing new tires every 20,000 miles or so.

Some EV owners choose to spend extra on tires that are rated as energy efficient. It’s not required, but EV-friendly tires can extend range by up to 5%. Regular tire pressure should be checked and adjusted often (at least once a month) to ensure proper inflation.

12 Volt Battery

Believe it or not, today’s electric vehicles still require the same kind of 12 volt battery that you’ll find under the hood of most combustion vehicles. Why? The massive battery pack under the floor of the car is engineered to be optimized for delivering power to the electric motors. The electronics and comfort features in the cabin and lights around the vehicle are all powered by a separate, smaller 12 volt battery. So yes, your state-of-the-art electric vehicle may need a new bulky battery in a few years. 

mustang mach-e
Nothing says Mustang Mach-E like a front trunk shrimp party.

In case you’re wondering, the massive battery pack that is sealed under the floor of the vehicle is meant to last for hundreds of thousands of miles without issue. Automaker vehicle warranties cover the battery for up to 10 years and 100,000 miles. 

Perhaps the worst thing that could go wrong with an electric vehicle is needing a new lithium-ion battery pack outside of warranty coverage. A full battery replacement costs anywhere from $5,000 to $15,000, depending on the model. 

Brakes

Polestar 2
2022 Polestar 2

Most modern electric vehicles have regenerative braking, which harnesses the electric motor to slow the vehicle while adding charge to the battery pack. Regenerative braking not only extends range, it greatly reduces wear and tear on the brakes. Tesla’s have been known to go many years without any brake maintenance because of regenerative braking. A few EVs, such as the Volkswagen ID.4, even use old-fashioned drum brakes in the rear due to the greatly reduced use of electric vehicles brakes. Still, brakes will need to be checked during scheduled maintenance. Safety first! 

Fluids

GM Ultium battery
General Motors Ultium battery and platform

As explained above, brakes on an electric vehicle typically avoid the usual wear and tear of combustion cars due to the help of regenerative braking. Still, brake fluid should be checked during scheduled maintenance. Some EV models require battery coolant fluid exchanges at some point, albeit quite infrequently. HVAC refrigerants also need checking and top-offs as needed. Don’t forget about the windshield wiper fluid.

Filters

I’ve been a passenger in more than one smelly Tesla. I repeat, electric cars are NOT maintenance-free! They have cabin filters just like every other car. Failing to change the cabin filter at regular intervals also irritates allergies and permits air pollution into the cabin.

Examples of Electric Vehicle Maintenance Schedules

2022 Tesla Model Y

2022 Tesla Model Y

The service manual for the best-selling electric crossover is short and sweet.

“Your vehicle should generally be serviced on an as-needed basis. However, Tesla recommends the following maintenance items and intervals, as applicable to your vehicle, to ensure continued reliability and efficiency of your Model Y.

  • Brake fluid health check every 2 years (replace if necessary) or, if the vehicle is used for towing, replace the brake fluid every 2 years.
  • A/C desiccant bag replacement every 4 years.
  • Cabin air filter replacement every 2 years (or 3 years for HEPA filter, if equipped).
  • Clean and lubricate brake calipers every year or 12,500 miles (20,000 km) if in an area where roads are salted during winter
  • Rotate tires every 6,000 miles (10,000 km) or if tread depth difference is 1.5 mm or greater, whichever comes first”

2022 Ford Mustang Mach-E

mustang mach-e electric car maintenance

Ford recommends more frequent inspections, but the story is the same.

“Every 12 months or 10,000 miles:

  • Rotate tires, inspect tire wear
  • Perform multi-point inspection (recommended)
  • Inspect brake components
  • Check the cooling system
  • Inspect half-shaft boots and suspension components
  • Inspect wheels for defects

Every 3 years:

  • Change brake fluid

Every 20,000 miles:

  • Replace cabin air filter

10 years or 150,000 miles:

  • Replace transmission fluid

200,000 miles:

  • Replace battery coolant

CarEdge’s Take

It’s easy to forget that electric vehicles have now been on roads for over a decade. Tesla has sold 2 million vehicles and counting, and legacy automakers are gaining ground. What does this all mean for our understanding of electric vehicle maintenance through a consumer lens? With billions of miles driven, we’re finally starting to get some idea of the reliability of electric vehicles.

There are many examples of electric vehicles that have gone hundreds of thousands of miles while following the maintenance schedules we’ve outlined here. EV skepticism is understandable; it’s a whole new vehicle ownership experience. However, frugal car buyers would be mistaken to overlook the maintenance and fuel savings that electric vehicles offer for most consumers.

Detailed cost of ownership analyses show that despite the differences in MSRP, in the end, owners spend about the same amount of money in five years of Tesla Model 3 ownership as they would owning a $25,000 Toyota Camry for the same period. How so? Fuel and maintenance savings add up quicker the more you drive and the longer you own the car.

How will dealership service center revenue streams adapt to the decreased maintenance needs of electric vehicles? Will dealers be getting in on the software-by-subscription game? Or will dealers put up a fight to preserve their wallets? 

There remain many unknowns and this time of rapid change in the automotive industry. Your consumer advocates here at CarEdge are helping thousands of car buyers navigate the reinvented auto industry that’s emerging in the post-pandemic world. Stay tuned, we’ll figure it out together. 

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1 Comment

  1. Justin

    Maybe.

    I’m skeptical of these numbers since EV maintenance is heavily skewed with cheaper routine maintenance but extremely expensive rare replacement costs. If you have to pay for a battery replacement out of warranty, I think most people would total the car and get something else.

    Of course, these metrics are difficult to get since they are rejections of service so no money changes hands, nothing gets bought, and no maintenance records are put down. I’d love to see numbers on how often these sorts of things happen and, if you were to elect to pursue them, the hypothetical cost to own would be.

    An ICE may be more costly in routine maintenance and fuel, but if you avoid the cost of a new engine every 10 or so years (the rough cost of a new battery), the ICE may be the actual long term winner.

    There are also a lot of assumptions on the cost of electricity which may or may not be true. For instance, charging at home tends to be pretty cheap if you ignore the cost of upgrading your home electrical system (was this added to the TCO for an EV?) and assume that you don’t increase your consumption enough to go into a higher cost bracket.

    But if you charge at a public station, you can easily pay 2-3x the at-home cost. Gas tends to cost the same in an area, so the costs are more predictable.

    For a Model 3, and if you take the Car and Driver 84 mpge number with a California 15c/kwH home electricity cost, you get ~6c/mile. If you take a higher fast charger cost (40c/kwH), you get ~16c/mile. This compared to ~20c/mile for a Camry with $6/gal gas.

    I don’t think a realistic analysis of EV costs is quite as rosy as presented here.

    Reply

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