When comparing FOB and CIF, Peruvian importers should start with the exact model and destination port. The freight, insurance and loading port charges, and the quotation validity period and exclusions, must be confirmed in writing before the next step begins. Add freight and insurance to the FOB quote, strip out any destination port items the CIF quote doesn't cover, and bring both sides to the same port and time window.
The ICC's Incoterms 2020 has 11 rules in total; FOB and CIF are both sea and inland waterway rules. We already cover How to compare vehicle quotes from China. Peru car FOB and CIF comparisons are ultimately governed by the local rules and written confirmations in force at the time of processing.

