The index represents a measure of the car panel evolution. Its base value of 1,000 wat set at the creation of the panel and evolves according to the evolution of the prices of the vehicles that make up its panel.
DS 5 Hybrid4 (2015 - 2018) ↓ 
Honda Civic 8 hybride (2006 - 2011) 
Honda Jazz 2 hybride (2007 - 2014) 
Lexus RX (2) Hybrid (2003 - 2009) ↓ 
Lexus GS III (S190) Hybride (2005 - 2012) = 
Lexus RX (3) Hybrid (2009 - 2015) ↓ 
Peugeot 3008 HYbrid4 (mk1) (2011 - 2016) ↓ 
Toyota Prius (mk2) (2003 - 2009) = 
Toyota Prius (mk3) (2009 - 2015) = 
Toyota Auris Hybrid (mk2) (2012 - 2018) 