1975 Mercury Cougar XR-7 We have a great 1975 Mercury Cougar XR-7, exterior in Brown with black interior. Check out our photos and video! Call us with any questions. Highlights:Original drivetrain 351 CI 2-valve V-8 engine Automatic transmission Original Brown exterior Air conditioning Equipment: Two tone Brown and Tan interior Bucket seats with center console Woodgrain interior accents Pushbutton radio