Cadillac · gas
Cadillac CT5 fuel economy & road trip cost
The Cadillac CT5 (2020–2026) is rated at 27 combined MPG with a 17.5 gallon tank, giving roughly 378 miles between stops once you keep a sensible reserve.
Combined MPG
27
Tank
17.5 gal
Usable range
378 mi
Cost per mile
$0.128
Gas cost per 100 miles in a Cadillac CT5
| Pump price ($/gal) | 100 miles | 300 miles | Full tank |
|---|---|---|---|
| $3.00 | $11.11 | $33.33 | $52.50 |
| $3.50 | $12.96 | $38.89 | $61.25 |
| $4.00 | $14.81 | $44.44 | $70.00 |
| $4.50 | $16.67 | $50.00 | $78.75 |
| $5.00 | $18.52 | $55.56 | $87.50 |
Highway-heavy trips usually beat the combined rating; city traffic and roof loads reduce it.
Popular trips in a Cadillac CT5
- Las Vegas to Phoenix · ~$39
- Las Vegas to Los Angeles · ~$35
- Los Angeles to San Francisco · ~$53
- Los Angeles to San Diego · ~$18
- Los Angeles to Las Vegas · ~$35
- San Francisco to Los Angeles · ~$53
- New York to Boston · ~$29
- New York to Washington · ~$31
- New York to Philadelphia · ~$13
- Chicago to Indianapolis · ~$25
- Chicago to Detroit · ~$36
- Chicago to St. Louis · ~$40
Other Cadillac 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.