According to the Kelley Blue Book, the 530i should be at least $2,000 more than the 525i. Make sure you run a CARFAX record check on each car ($35 unlimited vehicle reports, well worth it). Here are the KBB values for each car:
525i (sale price: $14,900):
- Trade in: $13,550/$12,795/$11,455 (Excellent/Good/Fair)
- Private Party: $16,635/$15,720/$14,505
- Suggested Retail: $19,860
(i.e. max price for a perfect vehicle with clean title)
530i (sale price: $10,500):
- Trade in: $15,250/$14,330/$12,700 (Excellent/Good/Fair)
- Private Party: $18,690/$17,600/$16,135
- Suggested Retail: $22,285
(i.e. max price for a perfect vehicle with clean title)
According to Fantasy's pricing for the 525i, the 530i should be somewhere around $16,500 (assuming identical condition).