Kia Optima vs Lexus IS

What's the difference?

VS
Kia Optima
Kia Optima

$14,670 - $22,990

2018 price

Lexus IS
Lexus IS

$39,990 - $62,990

2021 price

Summary

2018 Kia Optima
2021 Lexus IS
Safety Rating

Engine Type
Inline 4, 2.4L

Inline 4, 2.5L
Fuel Type
Unleaded Petrol

Premium Unleaded/Electric
Fuel Efficiency
8.3L/100km (combined)

4.9L/100km (combined)
Seating
5

5
Dislikes
  • Removed some good stuff to lower price
  • Not as good looking as pre-facelift model
  • A bit basic inside

  • Slow
  • Busy interior design
  • Fiddly and over-complicated software
2018 Kia Optima Summary

There are plenty of reasons why you should still consider a mid-sized sedan like the Kia Optima. I’m sure there are… just let me think about this for a sec…

Okay, so this part of the market is dying. A decade ago, sedans like this were really popular, but now there are heaps of alternative options. Yep, people are going for mid-sized SUVs rather than mid-sized sedans like this.

But that doesn’t mean models like the just-updated 2018 Kia Optima are without their reasons for being. I’m just not sure the facelift has made it more appealing to look at…

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2021 Lexus IS Summary

One question frequently discussed in the skunkworks of the CarsGuide office is: What exactly does Lexus stand for?

When the brand debuted its original export-market IS sedan in 1999 the messaging was more or less clear: Toyota’s premium sub-brand was here to be a Japanese BMW.

The brand even employed Nobuaki Katayama – chief engineer on the iconic Corolla AE86 program – to again take the reins of its small rear-wheel drive sedan program.

As the years went on though, Lexus changed. Fundamentally geared toward the US market, the second-generation (wild IS F aside) became a bit more sedate and softer around the edges, while the third generation strayed even further from the sedan’s performance-inspired roots, leaning into a plush interior, hybrid drive, and even CVT transmissions.

This brings us to today’s Lexus IS. Essentially a heavy facelift of the third generation (which arrived back in 2013), the brand has “reimagined” its core sedan with a tweaked design and updated technology for 2021.

Is it enough to keep it relevant against its ever-present European rivals and the newly arrived threat from Hyundai’s Genesis G70? I took a signature IS300h hybrid for a week to find out.

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Deep dive comparison

2018 Kia Optima 2021 Lexus IS

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