; Vauxhall Vivaro B Original radio options - InCarTec

There are multiple original radio options in the Vauxhall Vivaro B, which option is the original fitted system?

VAU-VIV1-R15-BT-USB VAU-VIV1-R15-BT-USB
VAU-VIV2-R16-BT-USB VAU-VIV2-R16-BT-USB
VAU-VIV3-CD16-BT-USB VAU-VIV3-CD16-BT-USB
VAU-VIV4-CD18-BT-USB VAU-VIV4-CD18-BT-USB
VAU-VIV5-NAVI-50-IntelliLink VAU-VIV5-NAVI-50-IntelliLink
VAU-VIV6-NAVI-80-IntelliLink VAU-VIV6-NAVI-80-IntelliLink