From Recurrent.
Check our EV maintenance math in this post by the research team:
https://www.recurrentauto.com/research/all-about-ev-maintenance
Electric cars have significantly lower maintenance costs compared to gas-powered cars for several reasons, primarily due to their simpler design and fewer moving parts.
Gasoline engines are complex, requiring many components such as pistons, valves, fuel injectors, spark plugs, and timing belts. These parts wear down over time and need regular maintenance, including oil changes, which can add to a vehicle’s upkeep costs. Electric vehicles (EVs) do not need oil changes, as their electric motors do not require lubrication in the same way combustion engines do.
Another factor is the regenerative braking system used in EVs. In traditional gas vehicles, brake pads wear down due to the friction needed to slow down the car. In EVs, regenerative braking converts kinetic energy back into electricity to recharge the battery, reducing wear on brake pads and extending their lifespan.
Furthermore, electric cars have fewer fluids to monitor and replace. Gasoline cars require engine oil, coolant, transmission fluid, and more. In contrast, electric cars primarily rely on a coolant system for the battery and very minimal fluid for brakes and windshield washers, lowering the cost of maintaining these systems.
Lastly, electric cars have fewer issues with exhaust systems, fuel filters, or spark plugs because they lack these components altogether. This streamlined mechanical design significantly reduces the frequency and cost of repairs.
Overall, the simplicity of electric car powertrains, the reduced wear on critical components, and the lack of many routine maintenance items found in gasoline vehicles contribute to the lower maintenance costs associated with EVs.