The public unveiling of the vehicle occurred in a gala ceremony held at the San Francisco Opera House in California.[66] The sedan was equipped with an updated 4.0-liter 1UZ-FE V8 engine, producing 194 kilowatts (260 hp) and 366 newton metres (270 ft⋅lbf) of torque.[67] Internally, over 90% of the redesigned LS 400's composition was new or redesigned,[67] with increased sound insulation, a strengthened body structure, suspension updates (first LS/Celsior with Skyhook adaptive computerized air suspension[68]), and improved brakes.[67] The redesigned model was 95 kg (209 lb) lighter than its predecessor and achieved slightly better fuel economy.[67] The 0–100 kilometres per hour (62 mph) time improved to 7.5 seconds.[69]