This is how EV acceleration changes as the battery percentage drops

These tests revealed how much EV acceleration changed as the battery’s power dropped.

Car and Driver conducted the tests on three EVs – the Hyundai Ioniq 5, the Lucid Air, and the Rivian R1T.

They put them out on a track to see how their 60mph times would change depending on their state of charge (SOC).

The more a SOC decreases, the more the EV’s acceleration increases – but how does it vary between each model?

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How much of a difference did a battery’s power make to EV acceleration in these tests?

What did Car and Driver’s test reveal about these three cars and EV acceleration generally?

In the case of the Ioniq 5, acceleration remained consistent until the SOC dropped below 20 percent.

Then, its performance really suffered.

Up until 20 percent, the Ioniq 5 was taking 4.4 seconds to reach 60mph.

After that point, it started lagging, taking 5.7 seconds to reach that point on a 5 percent charge.

But that’s still 1.7 seconds quicker than the Rivian R1T.

That EV started out 1.3 seconds quicker than the Ioniq 5 when fully charged, but it would slump into last place out of the three cars when it reached the lower end of the SOC scale.

And how about the Lucid Air?

At a full charge, this EV was making 60mph in 4.3 seconds, scraping itself into second place.

This had increased to 4.9 seconds by the time it was down to 5 percent charge, putting it out front as the best performing on a low charge.

The results and what they say about each car

Here are the results of the test, comparing the times at full charge and at the lowest charge.

FULL CHARGE:

1. Rivian R1T: 3.1 seconds to reach 60mph
2. Lucid Air: 4.3 seconds to reach 60mph
3. Hyundai Ioniq 5: 4.4 seconds to reach 60mph

LOWEST CHARGE:

1. Lucid Air: 4.9 seconds to reach 60mph
2. Hyundai Ioniq 5: 5.7 seconds to reach 60mph
3. Rivian R1T: 6.4 seconds to reach 60mph

So, in conclusion – the Hyundai was the most consistent overall, as its time worsened only after 20 percent.

It’s always interesting seeing EVs put to the test like this.

We’ve previously seen six electric vehicles driven past zero percent battery to see which would last the longest.

A similar test was carried out by What Car?, but with 12 electric cars.

In fact, driving until they can go no further seems to be a common theme among YouTubers testing out electric cars.

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