2021 Kia K5 vs 2021 Mazda6

With the arrival of the 2021 Kia lineup, one major change was announced; the Kia K5 would enter the lineup as the latest improvement to the Kia Optima. Plus, the model starts at just an MSRP of $23,490, making it an affordable option for anyone.

With its first new look, the 2021 Kia K5 offers a premier experience in the midsize sedan class. Since its announcement, the model has been widely praised for its fresh design and performance. But how well does it stack up to the 2021 Mazda6? At Garden Grove Kia, we compare the two models below:

2021 Kia K5


2021 Mazda6

2.5L 4-Cylinder Turbo Top Engine Skyactiv®-G 2.5L 4-Cylinder Turbo
290 Max Horsepower 227
311 Max Torque (in ft-lbs) 310
27 City / 37 Highway MPG Top Estimated Fuel Economy 26 City / 35 Highway MPG

When comparing the available engines for each model, there is a definite difference between top performance. Though the 2021 Mazda6 had one of the best powertrains in a midsize sedan in 2020, the 2021 Kia K5 boasts even more performance. Inside the available 2.5L 4-Cylinder Turbo engine, drivers can receive up to a whopping 290 horsepower. As for fuel economy, the 2021 Kia K5 and its standard 1.6L Turbo engine receives up to a combined 31 MPG compared to the 29 Combined MPG from the Mazda6.

Find a 2021 Kia K5 at Garden Grove Kia in Garden Grove, CA

On top of engine performance, the 2021 Kia K5 has an impressive lineup of state-of-the-art interior features. This includes an available 10,25-inch Color Touchscreen, which displays vital information and updates on your vehicle. The infotainment screen is also compatible with both Android Auto™ and Apple CarPlay®, which come standard. For added comfort, heated Front Sports Seats can also be had at higher trims. The models also possess other features such as:

  • Amazon Alexa & Google Assistant Connectivity
  • Up to Five USB Ports
  • Wireless Phone Charger
  • Wide Panoramic Sunroof
  • UVO Link
  • Bose® 12-Speaker Surround Sound System

Armed with a fresh, new design as well as two capable and high-performing engines, the 2021 Kia K5 compares well against other midsize sedans in the market. Especially for those in the Garden Grove area, the model can offer both city and highway driving. Stop into Garden Grove Kia to find various trims available today!