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1979 Mercury Cougar XR-7
The 1979 Cougar XR-7 was Mercury's two-door personal-luxury coupe on a 114-inch wheelbase. Its formal roof, louvered opera windows, horizontal-theme tail lamps, padded Landau vinyl roof, and Continental-style deck treatment distinguish it from the regular two- and four-door Cougar bodies. Those regular Cougars belong on a separate family page.
Two V8 paths and one automatic
Outside California, the standard engine was Ford's 5.0-liter 302 two-barrel V8. The 5.8-liter 351 two-barrel V8 was optional and was required in California. Both used Select-Shift automatic transmission. Engine family, emissions calibration, carburetor, transmission, cooling, exhaust, axle tag, dates, and records must be reconciled before identifying one car's original power team.
Ride-engineered chassis
The XR-7 combined independent coil-spring front suspension with a four-link, coil-spring live rear axle. Power steering, power front discs with rear drums, 15-inch wheels, and a rear stabilizer bar were standard. The optional Cross-Country Suspension added heavy-duty front and rear shocks and heavy-duty rear springs on XR-7s; Traction-Lok remained a separate axle choice.
Trim, choices, and proof
XR-7 equipment included walnut-tone instrument-panel trim, special sound insulation, Flight Bench seating, and model-specific exterior details. XR-7 Decor and Chamois Decor groups changed seats, moldings, wheels, roof, deck, striping, and cabin materials without creating separate car identities. Production references report 163,716 XR-7s and a $6,430 base price, but no reviewed ledger divides that total across engines, colors, trim, options, plants, build dates, exports, or surviving cars.