Why Do Electric Cars Have Only One Gear?

Written By: Vikas Kaul
Published: April 20, 2025 at 01:00 PMUpdated: April 20, 2025 at 01:00 PM
why do electric cars have one gear only

Imagine getting into a car where there’s no need to shift gears, no clutch pedal, and no rumbling engine noise as you pick up speed. That’s what it’s like in most electric cars today. But have you ever wondered why almost every EV on the road has just one gear?

mahindra be6

It might seem surprising—especially if you’re used to the multi-gear world of petrol or diesel cars. But the reason behind this one-gear setup is actually quite simple. It’s all about how electric cars are built and how they work differently from conventional vehicles.

Electric Motors: Powerful Right from the Start

The biggest difference lies in the heart of the vehicle—the electric motor. Unlike petrol or diesel engines that need to build up speed to reach peak performance, electric motors can deliver full pulling power (or torque) instantly, from the moment you touch the accelerator. All the power is right there in the beginning itself!

Think of it like a ceiling fan. When you turn it on, it starts spinning quickly, without needing to “warm up.” Electric motors work the same way—they can go from zero to very high speeds without much fuss. In fact, many of them can spin up to 20,000 revolutions per minute (rpm), far higher than most regular car engines.

Compare this with a typical petrol engine that has a redline of around 6,000 rpm. To get the best performance at different speeds, a petrol engine needs a gearbox with multiple gears. Without it, you'd either crawl along or push the engine too hard at high speeds. Full power - torque and horsepower - rise slowly and reaches maximum only when the engine reaches its ideal RPM.

But electric motors are powerful across a wide range of speeds. Whether you’re crawling in traffic or zooming on a highway, the motor doesn’t need to shift gears to stay in its “sweet spot.” That’s why one gear is usually enough.

One Gear, Many Jobs

You can think of the single gear in an electric car as a “one-size-fits-all” solution that’s been carefully chosen. It lets the car start smoothly from a stop, pick up speed quickly, and still cruise comfortably at high speeds.

To put it in everyday terms, imagine riding a bicycle that magically adjusts to your pedalling without you having to change gears. That’s essentially what’s happening in an EV. Thanks to the high revving capacity of the motor, one gear is enough to take you from zero to well over 160 km/h without breaking a sweat.

Fewer Parts, Fewer Problems

This simple setup brings some big benefits. With no clutch, no gear synchronisers, and no multi-speed gearbox, there are fewer parts that can wear out or go wrong. That means lower maintenance costs and fewer trips to the workshop.

You also get a much smoother drive. There are no sudden jerks when gears shift—just smooth, linear acceleration. It’s almost like gliding forward on an invisible wave. For anyone who’s struggled with clutch control or stalled a car in traffic, an EV can feel like a breath of fresh air.

Are There Any Exceptions?

PORSCHE TAYCAN ev

Yes, but they’re rare. Some high-performance electric cars—like the Porsche Taycan—use a two-speed gearbox to squeeze out a little more efficiency or acceleration at very high speeds. In racing, where every fraction of a second matters, engineers may experiment with multiple gears. But for everyday cars, one gear is more than enough.

What This Means for You: You Don’t Pay Extra For Automatics

If you’re considering an electric car, the one-gear system is something that works quietly in the background—but it’s actually a major plus. It simplifies the driving experience and reduces long-term ownership hassles. There’s no learning curve, no clutch fatigue in city traffic, and no worrying about gear shifts at all.

The car just goes—quietly, smoothly, and instantly—no matter the situation. So, the next time you sit in an EV and notice the missing gear lever, know that it’s not a flaw. It’s a sign of how modern technology is making driving easier and cleaner.

In many ways, the future of driving really is as simple as one gear.