Lexus · gas
Lexus LS fuel economy & road trip cost
The Lexus LS (2015–2025) is rated at 22 combined MPG with a 21.7 gallon tank, giving roughly 382 miles between stops once you keep a sensible reserve.
Combined MPG
22
Tank
21.7 gal
Usable range
382 mi
Cost per mile
$0.157
Gas cost per 100 miles in a Lexus LS
| Pump price ($/gal) | 100 miles | 300 miles | Full tank |
|---|---|---|---|
| $3.00 | $13.64 | $40.91 | $65.10 |
| $3.50 | $15.91 | $47.73 | $75.95 |
| $4.00 | $18.18 | $54.55 | $86.80 |
| $4.50 | $20.45 | $61.36 | $97.65 |
| $5.00 | $22.73 | $68.18 | $108.50 |
Highway-heavy trips usually beat the combined rating; city traffic and roof loads reduce it.
Popular trips in a Lexus LS
- Las Vegas to Phoenix · ~$47
- Las Vegas to Los Angeles · ~$42
- Los Angeles to San Francisco · ~$64
- Los Angeles to San Diego · ~$21
- Los Angeles to Las Vegas · ~$42
- San Francisco to Los Angeles · ~$64
- New York to Boston · ~$35
- New York to Washington · ~$38
- New York to Philadelphia · ~$15
- Chicago to Indianapolis · ~$30
- Chicago to Detroit · ~$44
- Chicago to St. Louis · ~$49
Other Lexus models
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.