1. 1957 Chevrolet Bel Air:
- Good condition: $25,000 to $50,000
- Excellent condition: $50,000 to $75,000
- Concours condition: $75,000 and above
2. 1957 Chevrolet 210:
- Good condition: $15,000 to $25,000
- Excellent condition: $25,000 to $40,000
- Concours condition: $40,000 and above
3. 1957 Chevrolet 150:
- Good condition: $10,000 to $15,000
- Excellent condition: $15,000 to $25,000
- Concours condition: $25,000 and above
4. 1957 Chevrolet Nomad:
- Good condition: $50,000 to $75,000
- Excellent condition: $75,000 to $100,000
- Concours condition: $100,000 and above
Remember, these are just rough estimates, and actual prices can fluctuate based on market conditions, specific features and options on the car, and the demand for 1957 Chevys in your area. It's always best to consult with experts in classic car valuation or get an appraisal to determine the exact value of a specific 1957 Chevy.