Toyota Lexus First Generation (XF10) 1989-1994

Toyota Lexus First Generation (XF10) specification :
Manufacturer : Toyota
Productions : 1989-1994
Engine : 4.0 L 1UZ-FE V8
Transmission : 4-speed A341E automatic
Source : wikipedia.org
Description : In August 1983, Toyota chairman Eiji Toyoda initiated the F1 project (“Flagship” and “No. 1 vehicle”; alternatively called the “Circle-F” project), a clandestine effort aimed at producing a world-class luxury sedan for international markets. The F1 development effort did not have a specific budget or time constraints, and the resulting vehicle did not utilize existing Toyota platforms or parts. Instead, chief engineer Ichiro Suzuki sought to develop an all-new design, aiming to surpass rival American and European flagship sedans in specific target areas, including aerodynamics, cabin quietness, overall top speed, and fuel efficiency. During development, 3,900 F1 personnel built approximately 450 flagship prototypes and 900 engine prototypes and logged 2.7 million kilometres of testing on locations ranging from winter Europe roadways; deserts in Arizona, Australia, and Saudi Arabia; to U.S. highways and wilderness areas.
In late 1985, designers presented the first exterior study models to F1 management, featuring a sports car-like design with a low-slung hood and narrow front profile. By 1986, the sedan used a three box design with an upright stance, more prominent grille, and a two-tone body. Extensive modeling and wind tunnel tests resulted in a low drag coefficient for a conventional production vehicle of the time (Cd 0.29). For the passenger cabin, materials selection tests evaluated 24 different kinds of wood and multiple types of leather for two years before settling on specific trim combinations. By 1986, the Lexus marque was created to support the launch of the flagship sedan, and the vehicle became known as the Lexus LS. Following eight design reviews, subsequent revisions, and over US$1 billion in development expenses, the final design for the production Lexus LS 400 (chassis code UCF10) was approved in 1987.
In January 1989, the LS 400 made its debut as a 1990 model at the North American International Auto Show, in Detroit, Michigan. U.S. sales began in September 1989, followed by limited exports to Australia, Canada, and the United Kingdom. The LS 400′s new 4.0 liter 1UZ-FE 32-valve V8 engine, capable of 190 kilowatts (250 hp) and 353 newton metres (260 ft·lbf) of torque, linked to a new four-speed automatic transmission with electronically controlled shifts. The chassis used an independent, double-wishbone suspension setup, and an air suspension system was optional.The LS 400′s 0–100 kilometres per hour (62 mph) time was 8.5 seconds, and its top speed was 250 kilometres per hour (160 mph). Compared to the rival target BMW 735i (E32) and Mercedes-Benz 420 SE (W126), the LS 400 had a quieter cabin, with 58 dB at 100 kilometres per hour (62 mph); a higher top speed; a lower drag coefficient and curb weight; and it avoided the U.S. gas-guzzler tax.
The LS 400 was among the first luxury sedans to feature an automatic tilt-and-telescoping steering wheel with SRS airbag, power adjustable shoulder seat belts, and an electrochromic rear-view mirror. The five-passenger cabin included California walnut and leather trim, power-adjustable seats, and soft-touch controls. A back-lit electroluminescent gauge cluster featured a holographic visual effect, with indicator lights projected onto the instrument panel. The memory system stored the driver’s seat, side mirror, steering wheel, and seat belt positions. Available luxury options included a Nakamichi premium sound system and an integrated cellular telephone with hands-free capabilities. The LS 400 further contained some 300 technological innovations to aid smooth operation and silence,including fluid-damped cabin fixtures, vibration-insulating rubber mounts, airflow fairings,and sandwich steel body panels.
In Japan, the launch of Lexus was complicated by Toyota’s existing five domestic dealership networks, several of which sold Japan-only luxury models, including the Toyota Crown and Toyota Crown Majesta. During the LS 400′s development, local dealers’ requests for a Japanese domestic market version had grown, and a right-hand-drive Toyota Celsior-badged version was introduced shortly after the LS 400′s U.S. debut. The Celsior, named after the Latin word for “supreme”, was largely identical to the LS. Models came in either basic “A”, upgraded suspension “B”, or fully equipped “C” trim specifications, and were sold at dealerships which also carried Japan-only Toyota luxury models.
Adding incentive for early U.S. sales was a base price of US$35,000, which undercut competitors by thousands of dollars and brought accusations of selling below cost from rival BMW. In December 1989, shortly after the LS 400′s launch, Lexus ordered a voluntary recall of the 8,000 vehicles sold so far, based upon two customer complaints over defective wiring and an overheated brake light. All vehicles were serviced within 20 days, and the incident helped establish Lexus’ customer service reputation. By 1990, U.S. sales of the LS 400 had surpassed those of competing Mercedes-Benz, BMW, and Jaguar models. Production of the first-generation LS 400 totaled over 165,000 units. Years after its introduction, the LS 400 remained a reliable choice for a used car, making Consumer Reports’ 2007 list of recommended vehicles that regularly last 320,000 km (200,000 mi) or more with proper maintenance.

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