| Model | Engine | Year | Standard Plug | Gap (mm) | Iridium Power | Iridium Tough |
|---|---|---|---|---|---|---|
| CABRIO | i M160 Twin Spark | 3/2000 on | K20TXR | 0.9 | IK20 | VK20 |
| CITYCOUPE | i (MC01)Â M160 Twin Spark | 7/1998 on | K20TXR | 0.9 | IK20 | VK20 |
| CROSSBLADE | i M160 Twin Spark | 6/2002 on | K20TXR | 0.9 | IK20 | VK20 |