A list of Proto models from the Carfolio.com technical specifications database. https://www.carfolio.com/proto/6939/rss/ en-gb Thu, 5 Jun 2005 Full specifications of 2005 Proto Spirra Thu, 5 Jun 2005 https://www.carfolio.com/proto-spirra-129624 https://www.carfolio.com/proto-spirra-129624 Full specifications of 2005 Proto Spirra V6 Thu, 5 Jun 2005 https://www.carfolio.com/proto-spirra-v6-129635 https://www.carfolio.com/proto-spirra-v6-129635 Full specifications of 2005 Proto Spirra V8 Thu, 5 Jun 2005 https://www.carfolio.com/proto-spirra-v8-129613 https://www.carfolio.com/proto-spirra-v8-129613