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Kia K5 vs. Kia Optima We Break Down The Differences

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Kia K5 interior

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The Kia K5 and Kia Optima are two excellent mid-size options from the iconic Kia brand. Recently, the Kia Optima underwent a redesign and transformed into the Kia K5. Which is better? If you’re interested in a Kia, what should you consider when looking at the Kia K5 vs. Kia Optima?

If you’re interested in one of these vehicles, read on. There’s a lot to consider with the Kia K5 vs. Kia Optima. From the performance to the safety features, there are many aspects of these vehicles that vary from each other. The more you know, the better a choice you can make for your life. There’s a lot to consider, so let’s get started!


When examining vehicles, performance is a critical part of a car. You can have a beautiful Kia, but it doesn’t mean anything if it can’t move on the road. Let’s examine performance with the Kia K5 vs. Kia Optima.

According to greenwaykiaeast.com, here are the performance features you can anticipate with the Kia K5:

  • Front-wheel drive
  • Acceleration from 0-60 in 5.8 seconds
  • 290-hp 2.5l turbo engine
  • 311 lb-ft of torque

It provides excellent force on the road. The Kia K5 is a speedy option for those who want a Kia.

Here’s what you can anticipate with a Kia Optima performance:

  • Front-wheel drive
  • 245-hp 2.5l turbo engine
  • 260 lb-ft of torque

It’s powerful, but not the same level as the Kia K5.

If you want a Kia that moves fast, you’re better off with the Kia K5. It builds on the impressive powertrain of the Kia Optima and makes it better than before. It’s much faster by a decent margin.


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Safety Features

Safety is the next item to consider. You can have a Kia that moves fast, but if it doesn’t keep you safe, what’s the point? Let’s look at the Kia K5 vs. Kia Optima and the offered safety features for the driver.

According to premierkia.com, here are a few of the safety features you can expect from the Kia K5:

  • Auto emergency braking technology
  • Electronic parking brake
  • Driver attention warning
  • 8-inch touchscreen display

These, along with other features, work to keep the driver as alert and safe as possible. The Kia Optima has similar features but isn’t quite as advanced as the Kia K5.

Here are some of the safety features you can anticipate with the Kia Optima:

  • Cruise control with steering wheel controls
  • Auto emergency braking and warning
  • Rear cross-traffic alert
  • Driver attention warning

The Kia Optima comes pretty close to the Kia K5.

In safety, the Kia K5 and the Kia Optima are pretty close. The Kia K5 is an improved version of the Kia Optima, so it retains most of the same safety features. When considering the Kia K5 vs. Kia Optima, you can rest assured knowing you’re receiving excellent safety features.


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Dimensions are also ideal to look at when considering the Kia K5 vs. Kia Optima. You want a vehicle that is sleek, yet comfortable to sit inside. A car that is too compact won’t work well for you on the road for passengers or cargo.

According to kia.com, here are the dimensions you can anticipate with the Kia K5:

  • Wheelbase: 112.2 inches
  • Width: 73.2 inches
  • Height: 56.9 inches
  • Front headroom: 40.2 inches
  • Rear headroom: 37.8 inches
  • Front legroom: 46.1 inches
  • Rear legroom: 35.2 inches
  • EPA cargo volume: 16.0 cubic feet

There’s a decent amount of room in the Kia K5 for a mid-size car. It has excellent legroom when compared to other vehicles.

Here are the opposing dimensions for the Kia Optima, according to caranddriver.com:

  • Wheelbase: 110.4 inches
  • Width: 73.2 inches
  • Height: 57.5 inches
  • Front headroom: 39.8 inches
  • Rear headroom: 37.8 inches
  • Front legroom: 45.5 inches
  • Rear legroom: 35.6 inches
  • EPA cargo volume: 13.4 cubic feet

There aren’t too many differences in volume, but each has its strength.

If you value cargo space, the Kia K5 is the choice for you. If you want more room for your passengers, the Kia Optima is the better choice.


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Amenities are also vital to consider when looking at the Kia K5 vs. Kia Optima. What are the additions that come with each vehicle? Let’s take a look.

According to capkia.com, here are a few of the amenities you can expect with the Kia K5:

  • Bold interior angles
  • Leather seating
  • Touchscreen display
  • USB ports

The Kia K5 comes with many quality features for drivers to enjoy.

The Kia Optima is different mainly in the way the interior looks, with angles that aren’t as bold or flashy. However, the features it carries aren’t too different - leather seats, a touchscreen display, and USB ports. These vary based on the trim you select for your life.


When considering a new vehicle, it’s critical to examine the price. Stay within a budget and get the most bang for your buck. The Kia K5 is sold at a starting price of $23,790, while the Kia Optima has a starting price of $23,390.

There’s only a $400 difference between the two. You will get a little more for your money with the Kia K5.

Which Comes Out On Top?

When looking at the Kia K5 vs. Kia Optima, it can be tricky to determine the best choice for your life. They both offer quality amenities and a decent powertrain. However, the Kia K5 is a better choice for your money. It’s an advanced version of the Kia Optima that’s roomier, faster, and possesses a few more features.

We hope this information comes in handy! It can be tricky to pick the best car option, but we recommend the Kia K5. It’s a more advanced version that will serve you well on the road. However, the choice is ultimately yours. Both cars are excellent for a variety of lifestyles.

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