According to Official Guinness Records,
The fastest vehicle slalom relay on ice is 1 minute 11 seconds and was achieved by Mitsubishi Motors North America in Calgary, Alberta, Canada, on 15 January 2011.
The attempt took place on the frozen Ghost Lake outside Calgary and was filmed for a Mitsubishi television commercial.
For a complete list of 2011 records, please visit 2011 Guinness Records in Canada.