Two occupants fit inside the XLR's luxurious interior, which features eucalyptus wood and aluminum accents. The seatbacks and cushions are heated and cooled. The DVD navigation/entertainment system has a 7-inch screen in the upper center console, but the entertainment system operates only when the gear selector is in Park.

A nine-speaker Bose audio system includes an in-dash six-CD changer. XM Satellite Radio and GM's OnStar communication system are standard. Trunk capacity is 11.6 cubic feet with the top up, but space dips to 4.4 cubic feet when the roof is retracted.