2021 KIA K5 vs Kia Optima

2021 Kia K5 vs Kia Optima Comparison Banner


2021 Kia K5


2020 Kia Optima


Starting Price

180 hp 4-cylinder

Base Engine

185 hp 4-cylinder
290 hp turbo

Upgraded Engine

245 hp turbo
8-speed automatic

Standard Transmission

6-speed automatic

Available AWD


The 2021 Kia K5 has been generating a lot of buzz, and it’s not hard to see why. A common question we hear at Sunset Kia of Auburn is, “Is the K5 the new Optima?” For the 2021 model year, the K5 has replaced the outgoing Optima. Because of this, many drivers in the Sumner are wondering about the difference between Optima and K5 models. Sunset Kia of Auburn compares the Kia K5 vs. Optima so you can see how this new model stacks up against a beloved favorite. 

Kia K5 vs. Optima: Performance 

When exploring the differences between Optima and K5 models, one of the main ways the two vehicles vary is performance. Both the Optima and the K5 feature standard front-wheel drive, however the new K5 can also be equipped with AWD if you prefer. If you are looking for a performance upgrade, you can opt for a more powerful engine by choosing the K5. 

  • Kia K5 Available Engine: 290 hp 2.5L turbo with 311 lb-ft of torque
  • Kia Optima Available Engine: 245 hp 2.0L turbo with 260 lb-ft of torque

Kia K5 vs. Optima: Design and Cabin Space

Even a quick glance at both the Kia Optima and Kia K5 will reveal differences in design and dimensions. The 2021 Kia K5 has a more aggressive stance than the 2020 Optima thanks to its wider, lower, and longer stance on the Puyallup roads. 

What about the cabins of these popular sedans? The K5 was designed with a more sophisticated, upscale interior, giving this model a luxury feel without that luxury car price tag. The interior of the K5 has been expertly engineered to be more quiet and comfortable, and it offers improved tech features like wireless charging and voice recognition. 

Experience the Kia K5 with Sunset Kia of Auburn

Now that you know a little more about the difference between Optima and K5 models, are you ready to experience the new K5 in person? We can’t blame you! Contact us today or stop by to take it for a spin. We can’t wait to show you everything the new K5 has to offer.


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