3 Series vs CT5

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.

BMW 3 Series
BMW

3 Series

Price from $48,000
Monthly payment $558
More details
Cadillac CT5
Cadillac

CT5

Price from $47,595
Monthly payment $553
More details

Specifications

  3 Series CT5
Manufacturer BMW Cadillac
Starting price $48,000 $47,595
Monthly payment $558 $553
Fuel type Hybrid Gasoline
Fuel economy 29.0 mpg 21.0 mpg
CO₂ emissions 286 g/mi–304 g/mi 346 g/mi–587 g/mi
Annual maintenance cost — —

About this comparison

BMW 3 Series and Cadillac CT5 suit different driving needs. The main differences below cover price, monthly payment, fuel economy, and running costs.

3 Series starts at $48,000; CT5 starts at $47,595. The difference is $405, making CT5 about 1% cheaper before financing.

Estimated monthly payment: 3 Series — $558; CT5 — $553. The difference is $5 per month, with CT5 lower.

The models use different powertrains: 3 Series — Hybrid; CT5 — Gasoline. The better choice depends on your daily route and access to charging.

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.