Kia · gas
Kia K5 fuel economy & road trip cost
The Kia K5 (2021–2025) is rated at 31 combined MPG with a 15.8 gallon tank, giving roughly 392 miles between stops once you keep a sensible reserve.
Combined MPG
31
Tank
15.8 gal
Usable range
392 mi
Cost per mile
$0.111
Gas cost per 100 miles in a Kia K5
| Pump price ($/gal) | 100 miles | 300 miles | Full tank |
|---|---|---|---|
| $3.00 | $9.68 | $29.03 | $47.40 |
| $3.50 | $11.29 | $33.87 | $55.30 |
| $4.00 | $12.90 | $38.71 | $63.20 |
| $4.50 | $14.52 | $43.55 | $71.10 |
| $5.00 | $16.13 | $48.39 | $79.00 |
Highway-heavy trips usually beat the combined rating; city traffic and roof loads reduce it.
Popular trips in a Kia K5
- Las Vegas to Phoenix · ~$34
- Las Vegas to Los Angeles · ~$30
- Los Angeles to San Francisco · ~$46
- Los Angeles to San Diego · ~$15
- Los Angeles to Las Vegas · ~$30
- San Francisco to Los Angeles · ~$46
- New York to Boston · ~$25
- New York to Washington · ~$27
- New York to Philadelphia · ~$11
- Chicago to Indianapolis · ~$22
- Chicago to Detroit · ~$31
- Chicago to St. Louis · ~$35
Fuel figures on this page are modelled estimates built from published EPA combined MPG ratings and curated regional pump-price baselines. They are not live station quotes — always confirm the price at the pump before you travel.