Kia K5 vs. Optima: What's Changed?

2021 Kia K5 vs. 2020 Kia Optima
2022 K5


2020 Optima
1.6L turbocharged inline 4-cylinder

Standard Engine

2.4L inline 4-cylinder
2.5L turbocharged inline 4-cylinder

Most Powerful Engine

Turbocharged 2.0 liter, inline 4-cylinder
8-speed shiftable automatic transmission

Standard Transmission

6-speed shiftable automatic transmission
8-speed dual-clutch automated manual transmission

Upgraded Transmission

7-speed dual-clutch automated manual transmission

Available All-Wheel Drive

193.1 inches

Exterior Length

191.1 inches

In 2021, the ever-popular Kia Optima was replaced by the Kia K5. But have no fear, this new introduction to the Kia lineup has brought improved performance, head-turning good looks, and upgraded amenities. The Kia K5 – Optima transition may be a bit of a shock, but you’ll be more than impressed by what the 2022 Kia K5 has to offer your commute from Mascoutah to Smithton. Ready to explore what the 2022 Kia Optima K5 switch means for you as a car-buyer? Read on below as we cover the main differences between the Kia K5 vs. Optima. 

Kia K5 and Optima: Performance Comparison

The 2022 Kia K5 offers raucous specs to help you take on your Trenton travels with renewed energy. The standard 2.4L inline 4-cylinder engine churns out 180 hp and 195 lb-ft of torque. The 2020 Optima keeps pace, as you can find a 2.4L inline 4-cylinder that produces 185 hp and 178 lb-ft of torque under the hood. 

The K5 offers improved efficiency, delivering an EPA-estimated 29 mpg city / 38 mpg highway / 32 mpg combined on the K5 vs. 25 mpg city / 35 mpg highway / 29 mpg combined offered by the 2020 Optima. If you want to secure the keys to the most powerful model available, the latest K5 offers the top specs:

K5 Turbocharged 2.5L 4-Cylinder

  • 290 hp
  • 311 lb-ft of torque
  • 10.5:1 compression ratio

Optima Turbocharged 2.0L Inline 4-cylinder

  • 245 hp
  • 260 lb-ft of torque
  • 10.0:1 compression ratio 

2022 Kia Optima and K5: Size

When you consider the Kia K5 vs. Optima specs, it’s clear that you can’t go wrong with either model. The K5 undoubtedly offers improvements, but a pre-owned Optima offers similar specs at a lower price. If you want the latest interior features, the K5 has you covered. The 2020 Kia Optima interior is well-appointed but slightly smaller than the cabin of the K5. Compare the dimensions of each option here to see which model suits your needs:

Kia K5 Dimensions

  • Exterior Length: 193.1 inches
  • Exterior Width: 73.2 inches
  • Passenger Volume: 105.3 cubic feet
  • Cargo Volume: 16.0 cubic feet

Kia Optima Dimensions

  • Exterior Length: 191.1 inches
  • Exterior Width: 73.2 inches
  • Passenger Volume: 104.8 cubic feet
  • Cargo Volume: 15.9 cubic feet

Continue the 2022 Kia Optima K5 Comparison at Auffenberg Kia

The 2022 Kia K5 Optima switch means you can enjoy stronger performance and greater amenities than ever before! If you’d like to compare the Kia K5 vs. Optima in person, visit us in O'Fallon to take a test drive! Our team can help you decide which model is right for your budget and lifestyle. Our financiers can help you discern if you should go with a pre-owned Optima, or if a new K5 is best for you. As always, feel free to contact us with any questions or concerns about the Kia K5 Optima transition! 

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