2026 Kia K5 sedan (gas‑powered midsize sedan): 

🚗 2026 Kia K5 – City / Highway MPG

With the standard 2.5 L 4‑cylinder (non‑turbo):

• City: ~26 MPG

• Highway: ~37 MPG

• Combined: ~30 MPG
  (Base LXS trim, FWD)

Other common fuel‑economy variants:

• GT‑Line FWD: ~25 city / 36 highway MPG 

• GT‑Line AWD: ~24 city / 33 highway MPG 

• Turbo "GT” (sport) trim: ~23 city / 33 highway MPG 

🧠 Quick Summary

• Best city efficiency: ~26 MPG (base non‑turbo FWD) 

• Best highway efficiency: ~37 MPG (base non‑turbo FWD) 

• All‑wheel‑drive and turbo‑charged trims are slightly lower in both city and highway MPG. 

These figures come from EPA‑based estimates used for 2026 marketing and dealer specs; real‑world fuel economy may vary depending on driving conditions, trim, and options. 

Would you like a quick comparison between the Kia K5 and rivals like the Honda Accord or Toyota Camry in terms of city/highway MPG?