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Kia K5 vs. Optima

Kia K5 vs Kia Optima

2021 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 2.0L 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

2021 marked the launch of the all-new Kia K5, which replaces the Optima in the Kia lineup. This sleek, sharp midsize sedan presents a formidable option for Harvey drivers looking to add sophistication and sportiness to their daily commutes and weekend cruises. Curious to learn what the 2021 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 all-new Kia K5 comes with a standard 180-hp, 178 lb-ft of torque 2.4L inline 4-cylinder engine under the hood. This is a nominal difference from the base engine on the 2020 Optima: a 2.4L inline 4-cylinder that produces 185 hp and 178 lb-ft of torque. The trade-off here is the incremental gain in gas mileage, with 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. 

As far as upgraded engines, you’ll get more power driving around Marrero in the K5. Here’s how the most powerful engine options on both models size up: 

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 

2021 Kia Optima and K5: Size

Weighing the Kia K5 vs. Optima specs, you’ll see you can’t go wrong with either option. But, making the final decision between the two may come down to size. The K5 is larger overall, offering a roomier interior through New Orleans with all you need. Here’s how the Kia K5 vs. Optima dimensions and capacities vary: 

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 2021 Kia Optima K5 Comparison at Ray Brandt Kia

The Kia K5 Optima switch means more options for New Orleans drivers to find just what you need from your next vehicle. Contact us today to learn more about the 2021 Kia Optima K5 swap, Kia K5 vs. Optima interior features, and more. We look forward to helping you decide which option is best for you!

Our New K5 Inventory

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