Emisija CO₂: 14 od 14 verzija ima podatke.
Toyota iQ 1.3 VVT-i Dynamic predvodi rang-listu Toyota iQ po Emisija CO₂, sa 120 g/km.
Među 14 rangiranih varijanti, Emisija CO₂ se kreće od 99 g/km do 120 g/km.
| # | Verzija | Godina | Karoserija | Gorivo | Emisija CO₂ |
|---|---|---|---|---|---|
| 1 | Toyota iQ 1.3 VVT-i Dynamic | 2009 | Hečbek | Benzin | 120 g/km |
| 2 | Toyota iQ 1.3 VVT-i Dynamic | 2009 | Hečbek | Benzin | 113 g/km |
| 3 | Toyota iQ 1.0 VVT-i Aspiration Bronze | 2010 | Hečbek | Benzin | 110 g/km |
| 4 | Toyota iQ 1.0 VVT-i Aspiration Pearl | 2010 | Hečbek | Benzin | 110 g/km |
| 5 | Toyota iQ 1.0 VVT-i Comfort | 2009 | Hečbek | Benzin | 110 g/km |
| 6 | Toyota iQ 1.0 VVT-i Aspiration | 2009 | Hečbek | Benzin | 110 g/km |
| 7 | Toyota iQ 1.4 D-4D-F Comfort | 2009 | Hečbek | Dizel | 104 g/km |
| 8 | Toyota iQ 1.4 D-4D-F Aspiration | 2009 | Hečbek | Dizel | 104 g/km |
| 9 | Toyota iQ 1.0 VVT-i Access | 2010 | Hečbek | Benzin | 99 g/km |
| 10 | Toyota iQ 1.0 VVT-i Aspiration Bronze | 2010 | Hečbek | Benzin | 99 g/km |
| 11 | Toyota iQ 1.0 VVT-i Aspiration Pearl | 2010 | Hečbek | Benzin | 99 g/km |
| 12 | Toyota iQ 1.0 VVT-i Comfort | 2009 | Hečbek | Benzin | 99 g/km |
| 13 | Toyota iQ 1.0 VVT-i Black Edition | 2009 | Hečbek | Benzin | 99 g/km |
| 14 | Toyota iQ 1.0 VVT-i Aspiration | 2009 | Hečbek | Benzin | 99 g/km |