What are the penalties for felony DUI?

"The penalties will vary depending on where the offense occurred. Felony DUI in California carries a minimum sentence of 180 days in prison, as well as a separate restitution(civil) trial. In South Carolina, the minimum sentence is 1 year in prison. Felony DUIs are usually sentenced to repeat offenders, which is defined as 4 offenses in a 10 year period."