|Lexus LC (Z100)|
Lexus LC 500h (GWZ100)
|Production||March 2017 – present|
|Body and chassis|
|Body style||2-door fastback coupé|
|Wheelbase||2,870 mm (113.0 in)|
|Length||4,760 mm (187.4 in)|
|Width||1,920 mm (75.6 in)|
|Height||1,345 mm (53.0 in)|
The Lexus LC (Japanese: レクサス・LC, Rekusasu LC) is a grand tourer/personal luxury car from Lexus, Toyota's luxury division. It is based on the 2012 LF-LC Concept, designed by Toyota Calty Design Research in Newport Beach, California. It was developed under the program codename "950A" from 2011 to 2016, design work was transferred from Calty to Toyota Technical Centre in Aichi, Japan from January 2013, with a final production design freeze in the first half of 2014.
- 1 Models
- 2 Design and production
- 2.1 Exterior design
- 2.2 Lighting
- 2.3 Interior
- 2.4 Body rigidity
- 2.5 Suspension
- 2.6 Aerodynamics
- 2.7 Powertrain
- 2.8 Lexus Dynamic Handling with Limited Slip Differential
- 2.9 Exhaust
- 2.10 Brakes
- 2.11 Drive Mode Select
- 2.12 Technology
- 2.13 Audio
- 2.14 Colors
- 2.15 Wheels
- 2.16 Sports package
- 2.17 Safety
- 2.18 Manufacturing and assembly
- 3 Sales
- 4 Motorsport
- 5 Concept model
- 6 References
- 7 External links
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LC 500 (URZ100)
The LC 500 grand tourer was introduced in January 2016 at the North American International Auto Show as a 2-door fastback coupé. It will share the same 5.0-litre 348 kW (467 bhp) 2UR-GSE V8 engine with the RC F and GS F, but will have 351 kW (471 hp) because of an improved intake and exhaust. It will be paired with a new 10-speed automatic transmission.
LC 500h (GWZ100)
The LC 500h was announced in January 2016 and full specifications were released in February 2016.
Design and production
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The grille pattern is a gradient, with the tightly compressed mesh at the top transitioning to a wider diamond at the bottom. The top of the spindle grille does not have a chrome surround, a break from the traditional Lexus grille design.
The overall length of the LC is 4,750 mm (187 in), with a wheelbase of 2,870 mm (113 in). The front and rear overhangs are noticeably short—the front is 920 mm (36 in), and the back is 970 mm (38 in). Central to the LC design is the spindle grille, and the hourglass shape can be seen in the way the front and rear fenders flare out and the door panels are pulled inward. The lines from the front fender build up the A-pillar to form the boundaries of the blacked-out roof—Lexus cites “the traditional Japanese sword” as the inspiration for the sharp edges of the C-pillar molding. Rear design elements are recessed and pushed to the far corners.
The LC interior is split into two zones—the driver side has access to functionality, while the passenger side is shielded and much simpler. The center of the interior experience is the steering wheel, which has a varying circumference to accommodate for different driving styles. In order to allow for easier grip and improve the feel, the paddle shifters are made from magnesium alloy. The 8-inch Thin Film Transistor LCD circular dial embedded in the instrument panel is a direct descendent of the LFA design—it moves side-to-side as the driver moves through the various menus and settings, and the appearance will change depending on the selected drive mode. Also borrowed from the LFA is the Drive Mode Select control, which is placed to the side of the instrument panel.The LC is the first car to be developed on the new Lexus front-engine/rear-wheel drive platform, dubbed the Global Architecture – Luxury (GA-L) platform. The GA-L platform will serve as the starting point for all future rear-wheel drive Lexus vehicles of the future, and it’s meant to provide lower overall mass, improved front/rear weight distribution (54/46 front/rear balance for the gas model, 52/48 for the hybrid), and a low center of gravity. The platform design allowed engineers to push the wheels out further towards the corners of the vehicle, reducing the height of the hood while still accommodating the new multi-link suspension. The engine position is also lowered 10 mm (0.39 in) and pushed 50 mm (2.0 in) closer to the center of the vehicle—this centers the weight of the engine and brings it closer to the drive, mitigating the load shifting from side to side. Run-flat tires are also used to avoid the need for a spare, and the vehicle battery has been relocated to the trunk to help with the overall balance.
There are significant reinforcements throughout the LC that provide rigidity and increase stability, starting with ample adhesive—there are 73 m2 (790 sq ft) of glue throughout the upper and lower body, compared to just 21 m2 (230 sq ft)used in the current IS sedan. The frame is a mixture of ultra-high-tensile and high-tensile steel, while the hood and fenders are made from aluminum. The doors utilize Carbon Fiber Reinforced Sheet Molding Compound (CSMC) for the inner panel, while the outer shell is 6000 series aluminum—this makes the complete door 47% lighter compared to using steel. Die-cast aluminum front suspension towers have been used instead of steel, providing almost double the rigidity with 42% less weight. In the first use by Lexus - instead of spot welding - self-piercing rivets join aluminum and steel panels because they need only a single entrance point and thus help to maintain structural integrity.
To enhance rigidity, six straight-bar braces support the engine.
The front suspension is a new double-joint multi-link suspension with a forged aluminum upper arm is secured at two points, which ensures all movements are mirrored from the lower arm. The double-joint design reduces the necessary height of the suspension system, as placement is lower than a traditional single-joint setup.
Small stabilizing fins behind the side mirrors are used to pull air close to the vehicle, and aero ducts in both the front bumper and side skirting feeds air across the sidewalls of all four tires for greater straight-line stability. Underneath the LC, all components are covered by an extensive underbody plane—the covering raises up and meshes with the muffler design to form a massive integrated air diffuser. For further stability, an active rear wing is automatically raised when the LC reaches 50 mph (80 km/h)to reduce lift at higher speeds.
The 2UR-GSE 5.0-liter V8 powering the Lexus LC 500 is an updated version of the engine found in the RC F & GS F. The engine is a naturally-aspirated 32-valve V8, and features D-4S direct fuel injection, Atkinson cycle operation, and optimized VVT-i. The unit produces 471 horsepower at 7100 rpm, 398 lb.-ft of torque at 4800 rpm, and allows the car to reach 60 miles per hour in under 4.5 seconds. Attached to the 2UR-GSE engine is a Direct Shift 10-speed automatic transmission, marking the first time a 10-speed transmission has been used in a luxury vehicle.
The LC 500h introduces the first Multi-Stage Hybrid system from Lexus, and its goal is to bring a new level of performance to hybrid technology. At the heart is the 8GR-FXS 3.5-liter, 24-valve, naturally aspirated V6 with dual intelligent variable valve timing, with 295 horsepower and 257 lb.ft of torque. The LC 500h also has an electric motor to boost power and improve efficiency—it is the first Lexus to use lithium-ion batteries rather than a nickel–metal hydride battery. This new battery pack is 20% smaller and 44 lb (20 kg) lighter than the unit used in the LS 600h, meaning less weight and more efficient use of space. It fits between the rear seats and the trunk, and has 84 battery cells producing 310.8 volts. the power coming from the V6 and the electric motor are amplified through a four-speed automatic transmission embedded inside a continuous variable transmission. This “dual” transmission provides stepped access to the torque generated by the electric motor, and recreates a 10-speed transmission with two virtual gears between each of the automatic transmission’s physical gears.
Lexus Dynamic Handling with Limited Slip Differential
One of the only standalone LC options is Lexus Dynamic Handling (LDH), an active rear steering system that augments the Variable Gear Ratio Steering (VGRS) and Electric Power Steering (EPS). These systems work together to increase maneuverability.
The LC uses a clamshell muffler design that can switch exhaust gas routes—the valves remain closed at low speeds and cruising to minimize the sound, but on acceleration, the valve opens to improve engine output and increase noise.
There are 6-piston front calipers and 4-piston rear calipers, both with ventilated discs and high-friction pads.
Drive Mode Select
The LC 500 & LC 500h are equipped with the Lexus Drive Mode Select, the system then enables the driver to customize the vehicle dynamics.
The next-generation Lexus infotainment system debuts with the LC, featuring improved voice recognition and a larger Remote Touch controller. The LC will also be the first Lexus to offer a new large color automotive head-up display that projects onto the windshield in front of the driver—it will be available as a standalone option.
The standard audio system is a Pioneer twelve speaker surround sound system, with four double speakers in the A and C pillars, two woofers in the doors, a midrange speaker in the center console, a subwoofer in the back deck, and a 8-channel Class-D amplifier under the trunk. Optional is the Mark Levinson Reference Audio System with thirteen speakers and an 11-channel Class-D 915 watt amplifier. The ML system also features Clari-Fi, a music restoration technology that improves the quality of digitized music.
Interior color choices are: Mid Brown, Rioja Red, Black, and Bespoke White.
Three different wheel designs will be offered—a 20-inch cast aluminum wheel will be standard, and will feature a hollow rim to reduce weight and absorb tire noise. There’s also an optional 20-inch forged aluminum wheel. The Sport package has upgraded 21-inch forged aluminum wheels. As a way to reduce the weight of a spare, the LC will comes standard with run-flat tires. The increased stiffness of reinforced side walls has been factored into the suspension, and will allow for up to 100 mi (160 km) at 50 mph (80 km/h), should the wheel be punctured.
The standard 20-inch tires, made by Bridgestone, measure 245/45RF20 in the front and 275/40RF20 in the back. The Sport package's 21-inch wheels differ—the front tires will measure 245/40RF21 and be made by Bridgestone, while the rear tires will be manufactured by either Dunlop or Michelin and will measure 275/35RF21.
The LC 500 & LC 500h will come standard with the Lexus Safety System +, a package of active safety features.
- Pre-Collision System with Pedestrian Detection, which uses sensors to detect potential obstructions and assist in applying brake force. The system will also automatically activate the brakes if a collision is unavoidable.
- All-Speed Dynamic Radar Cruise Control will automatically maintain a pre-set distance from the vehicle traveling in front when the cruise control is activated.
- Lane Departure Alert with Steering Assist uses a camera mounted on the windshield to track lane markings, and will notify the driver of a border line. If enabled, Steering Assist will automatically correct your steering to keep you within the lines.
- Intelligent High Beams automatically detects oncoming traffic and will switch the headlights between high and low beams.
As an additional safety measure, the LC employs a pop-up hood in the event of a front impact with a pedestrian—the hood uses a series of pistons that rapidly elevates the hood in hopes of lessening personal injury.
Manufacturing and assembly
The LC will be built at the Toyota Motomachi facility, the same plant that produced the 500 LFA supercars—the factory has been reconfigured specifically for the LC, with a new production line finished in white from floor to ceiling. Many of the Takumi master craftsmen who built the LFA will continue their work on the LC, specifically when it comes to carbon fiber components, leatherwork, and paint. Each team member on the assembly line will spend as much as 20 minutes working on every car, and final quality checks will be performed in a silent glass-walled inspection booth. The first production LC completed assembly on April 23, 2017, after start of series production in March 2017.
European statistics include sales from the following countries: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Great Britain, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland.
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