"Gun deaths" are mostly suicides (likewise, "automobile deaths" includes all deaths involving an automobile).
Here are the actual statistics (
link 1,
link 2).
2009:
Drunk driving fatalities: 10,759
Firearm murders: 9,199
Gap: 1,560 or 17.0%
2010:
Drunk driving fatalities: 10,136
Firearm murders: 8,874
Gap: 1,262 or 14.2%
2011:
Drunk driving fatalities: 9,865
Firearm murders: 8,653
Gap: 1,212 or 14.0%
2012:
Drunk driving fatalities: 10,336
Firearm murders: 8,897
Gap: 1,439 or 16.2%
2013:
Drunk driving fatalities: 10,076
Firearm murders: 8,454
Gap: 1,622 or 19.2%