Compare two new cars by price, estimated monthly payment, fuel economy, and other specifications. Data comes from the CarPayCheck.com catalog and uses your selected financing terms.
| CT4 | IS | |
|---|---|---|
| Manufacturer | Cadillac | Lexus |
| Starting price | $34,995 | $45,500 |
| Monthly payment | $407 | $529 |
| Fuel type | Gasoline | Gasoline |
| Fuel economy | 23.5 mpg | 22.0 mpg |
| CO₂ emissions | 344 g/mi–492 g/mi | 402 g/mi–409 g/mi |
| Annual maintenance cost | — | — |
Common-issue data is not available yet.
2019-2020 Lexus IS300 and IS350 are covered by NHTSA recall 20V012000 for a Denso low-pressure fuel pump impeller that can deform and fail. This can cause sudden hesitation, power loss, stall while driving, and difficulty restarting, increasing crash risk. Have the VIN checked and confirm the free dealer recall repair was completed before purchase.
Cadillac CT4 and Lexus IS suit different driving needs. The main differences below cover price, monthly payment, fuel economy, and running costs.
CT4 starts at $34,995; IS starts at $45,500. The difference is $10,505, making CT4 about 23% cheaper before financing.
Estimated monthly payment: CT4 — $407; IS — $529. The difference is $122 per month, with CT4 lower.
Both models use Gasoline. Fuel economy is CT4 — 23.5 mpg; IS — 22.0 mpg. CT4 uses less energy in everyday driving.
The final choice is about more than numbers: annual distance, city or highway use, and the space your household needs all matter. Use the CarPayCheck.com calculator to apply your financing terms and evaluate both cars in your situation.
Want to compare other models? Return to the full catalog or calculate financing using your own terms.
