based upon a 1989 Lincoln Town Car. In line with predecessors, the vehicle is equipped with armor plating, bulletproof glass, and undisclosed security modifications. To accommodate its higher weight, the vehicle was fitted with a 7.5L V8 (and E4OD transmission) from a F-250 ¾-ton pickup truck. The 1993 Aston Martin Lagonda Vignale concept car used a modified Lincoln Town Car chassis and 4.6L V8. Two license-built variants of the Lincoln Town Car were assembled by the Chinese automaker Hongqi. During the mid-1990s, the Hongqi CA 7465 was a stretch limousine derived from the 1990-1997 Town Car; the front fascia was styled in line to the 1970s CA770. Approximately 100 were built. The 1998-2005 Hongqi CA7460(红旗CA7460) and Hongqi Qijian(红旗旗舰) (flagship) were luxury sedans produced primarily for government and military officials. After initial assembly by Ford in the United States, the cars were shipped to China for final bodywork. In 2002, Mercury introduced a Mercury Marauder concept car, serving as a preview of the 2003 production vehicle. While the production Marauder was a 4-door sedan, the concept car was a 2-door (topless) convertible. Beginning life as a 1999 Ford Crown Victoria, the concept car was the first full-size convertible from Ford Motor Company since 1971. Discontinuation Following the 2003 chassis redesign of the Panther platform, during most of the 2000s, Ford Motor Company began consideration of design efforts towards a rear-wheel drive successor to the chassis architecture. Intended for release by the end of the 2000s, an all-new platform would be the first truly new rear-wheel drive full-size chassis from Ford in three decades; another key objective was to consolidate the Panther chassis and the slightly smaller EA169 platform of Ford Australia (underpinning the Ford Falcon sedan and Ford Territory wagon, with the long-wheelbase Ford Fairlane/LTD nearly matching the Crown Victoria/Grand Marquis in wheelbase). During the mid-2000s, Ford debuted several concept vehicles (Ford 427, Lincoln MKR, and Ford Interceptor), previewing potential designs of rear-wheel drive Ford and Lincoln-Mercury full-size sedans. While none of the concept vehicles reached production in their entirety, design elements of each vehicle appeared in multiple Ford and Lincoln sedans. For the 2005 model year, Ford introduced its first front-wheel drive full-size chassis, the Ford D3 platform. Derived from a Volvo chassis architecture, the D3 chassis underpinned the Ford Five Hundred and Mercury Montego. While the latter was sold alongside the larger Grand Marquis, the Five Hundred was phased