After launching in September with 40 locations, Enterprise CarShare has doubled its number of locations in D.C. (And through March 31, the $25 application fee and $40 annual membership fee for the first year for new members will be waived.) As the fourth carsharing option in the city, the third that offers a diverse fleet of vehicles, it’s clear that there’s enough room in the market for everyone.

But which service boasts the most vehicles? Members? We break it down by the numbers.

Enterprise: Launched September 2013; more than 80 locations; does not disclose fleet or membership size; $40 membership fee per year.
Car2Go: Launched March 2012; 450 vehicles; no set location; more than 32,000 members; no monthly or yearly fee.
Hertz 24/7: Launched March 2012; More than 20 locations; yet to respond to request for comment for fleet size or membership number; no monthly or yearly fee.
Zipcar: Launched 2001; About 900 vehicles; more than 375 locations; Exact membership numbers not disclosed.