Ehlers was a moderate Republican. According to the
National Journal, in 2006 his votes split 50-50 between "liberal" and "conservative." While strongly anti-abortion and supportive of lowering taxes, he was willing to break with his party on environmental and government spending issues. He was a member of the
Republican Main Street Partnership and
Republicans for Environmental Protection. He was the only member of the
Michigan Congressional delegation of either party to vote to raise fuel economy standards for automobiles in 2001 and H.R. 4777, the Internet Gambling Prohibition Act. Owing to his votes in favor of the
Federal Marriage Amendment in both 2004 and 2006, as well as his votes against hate crimes legislation and
prohibiting job discrimination based on sexual orientation, Ehlers was given a 0% rating by the
Human Rights Campaign, indicating a voting record generally opposed to
gay rights. However, in December 2010, Ehlers was one of fifteen Republican House members to vote in favor of repealing the
United States military's "
Don't Ask, Don't Tell" ban on
openly gay service members,{{cite web|url=http://clerk.house.gov/evs/2010/roll638.xml|title=Final vote results for Roll Call 1638 ==Political campaigns==