| Genre: | Observational Documentary |
| Narrated: | Gary Sweet[1] |
| Country: | Australia |
| Language: | English |
| Num Seasons: | 1 |
| Num Episodes: | 8 |
| Network: | Nine Network |
| First Aired: | [2] |
Sudden Impact is an Australian observational documentary series that airs on the Nine Network. It debuted on 9 December 2008 at 8pm.[2] The program was developed in association with the Transport Accident Commission (TAC), and is narrated by Gary Sweet.[1] The program is largely set in Victoria. The series is similar to the New Zealand based show Serious Crash Unit and Seven Network's Crash Investigation Unit.[3]