S3 vs CT4

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.

Audi S3
Audi

S3

Price from $52,000
Monthly payment $605
More details
Cadillac CT4
Cadillac

CT4

Price from $34,995
Monthly payment $407
More details

Specifications

  S3 CT4
Manufacturer Audi Cadillac
Starting price $52,000 $34,995
Monthly payment $605 $407
Fuel type Gasoline Gasoline
Fuel economy 26.0 mpg 23.5 mpg
CO₂ emissions 346 g/mi 344 g/mi–492 g/mi
Annual maintenance cost — —

About this comparison

Audi S3 and Cadillac CT4 suit different driving needs. The main differences below cover price, monthly payment, fuel economy, and running costs.

S3 starts at $52,000; CT4 starts at $34,995. The difference is $17,005, making CT4 about 33% cheaper before financing.

Estimated monthly payment: S3 — $605; CT4 — $407. The difference is $198 per month, with CT4 lower.

Both models use Gasoline. Fuel economy is S3 — 26.0 mpg; CT4 — 23.5 mpg. S3 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.