Nicola Sturgeon made the pledge as she opened the Teenage Cancer Trust's ninth international conference in Edinburgh.
150 Drink Driver Vehicles Seized
More than 150 people had their vehicles seized because of drink-driving between April 2013 and March 2014.
The vehicles were forfeited by repeat drink and drug driving offenders, first offenders driving or attempting to drive with a high alcohol reading and those who refused to give a sample of breath to the police without a reasonable excuse.
Those of any value were sold at auction by Police Scotland and others were scrapped for their metal value. All proceeds went back into public funds.
Lord Advocate Frank Mulholland QC repeated a warning he delivered at the launch of this summer's drink-driving campaign.
He said: "Drivers whose selfish actions result in the deaths of others when they drive under the influence of drink or drugs bring misery and devastation to families and loved ones throughout our communities.
"My message is very clear; you will be caught and when you are, you will be prosecuted to the full extent of the law.
"Motorists in Scotland should also be aware of the tough legal and personal consequences of driving while under the influence of drink or drugs, not only could you lose your vehicle but you will receive a minimum 20-year criminal record."
The 25 year old from Scotland was found dead on Saturday.
Major cities across Britain are becoming home to "hipster hotspots'' - pushing up house prices strongly in places such as Bristol, Manchester and Edinburgh as well as in London - research has found.
The Convention of Scottish Local Authorities (Cosla) has said that any more cuts to local government funding will result in "severe consequences'' for jobs across the country.
Most Viewed Pictures On Heart
Recently Played Tracks
To listen live, choose your preferred location:
Deposit £10 to get a £40 Welcome Bonus - That's £50 to play bingo, slots and more!*
Over 50 tracks to make you feel-good. New album out now...
Find your local four day weather report here.
Make Heart the soundtrack to your day and you could be a winner with great prizes up for grabs throughout the day.
Find out more about some of the companies advertising on Heart Scotland- East.