2012-2017 Lexus LS IV (facelift ) 460 V8 (387 Hp) Super ECT

The Lexus LS 460, specifically the facelifted version produced from July 2012 to October 2017, represents the fourth generation (XV40) of Lexus’ flagship sedan. This variant, equipped with the 4.6-liter V8 engine (1UR-FSE) and an eight-speed Super ECT automatic transmission, was positioned as the premium offering within the LS lineup, emphasizing luxury, performance, and refinement. It served as the top-tier model, appealing to buyers seeking a powerful and comfortable grand touring experience. The 2012 facelift brought subtle styling updates, enhanced interior materials, and improvements to the infotainment system, solidifying the LS 460’s position in the competitive luxury sedan segment.

Technical Specifications

Brand Lexus
Model LS
Generation LS IV (facelift 2012)
Type (Engine) 460 V8 (387 Hp) Super ECT
Start of production July, 2012
End of production October, 2017
Powertrain Architecture Internal Combustion engine
Body type Sedan
Seats 5
Doors 4
Fuel consumption (economy) – urban (NEDC) 15.7 l/100 km (15 US mpg, 18 UK mpg, 6.4 km/l)
Fuel consumption (economy) – extra urban (NEDC) 7.8 l/100 km (30.2 US mpg, 36.2 UK mpg, 12.8 km/l)
Fuel consumption (economy) – combined (NEDC) 10.7 l/100 km (22 US mpg, 26.4 UK mpg, 9.3 km/l)
CO2 emissions (NEDC) 249 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 5.7 sec
Acceleration 0 – 62 mph 5.7 sec
Acceleration 0 – 60 mph 5.4 sec
Maximum speed 250 km/h (155.34 mph), Electronically limited
Emission standard Euro 5
Weight-to-power ratio 5 kg/Hp, 201.6 Hp/tonne
Weight-to-torque ratio 3.9 kg/Nm, 256.8 Nm/tonne
Power 387 Hp @ 6400 rpm
Power per litre 84 Hp/l
Torque 493 Nm @ 4100 rpm (363.62 lb.-ft. @ 4100 rpm)
Engine layout Front, Longitudinal
Engine Model/Code 1UR-FSE
Engine displacement 4608 cm3 (281.2 cu. in.)
Number of cylinders 8
Engine configuration V-engine
Cylinder Bore 94 mm (3.7 in.)
Piston Stroke 83 mm (3.27 in.)
Compression ratio 11.8:1
Number of valves per cylinder 4
Fuel injection system Direct injection and Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain DOHC, Dual VVT-iE
Engine oil capacity 8.6 l (9.09 US qt | 7.57 UK qt)
Coolant 11.8 l (12.47 US qt | 10.38 UK qt)
Kerb Weight 1920-2080 kg (4232.88 – 4585.62 lbs.)
Max. weight 2455 kg (5412.35 lbs.)
Max load 375-535 kg (826.73 – 1179.47 lbs.)
Trunk (boot) space – minimum 560 l (19.78 cu. ft.)
Fuel tank capacity 84 l (22.19 US gal | 18.48 UK gal)
Length 5090 mm (200.39 in.)
Width 1875 mm (73.82 in.)
Width including mirrors 2120 mm (83.46 in.)
Height 1465 mm (57.68 in.)
Wheelbase 2970 mm (116.93 in.)
Front track 1610-1615 mm (63.39 – 63.58 in.)
Rear (Back) track 1615-1620 mm (63.58 – 63.78 in.)
Front overhang 925 mm (36.42 in.)
Rear overhang 1195 mm (47.05 in.)
Drag coefficient (Cd) 0.26
Minimum turning circle (turning diameter) 10.8-11 m (35.43 – 36.09 ft.)
Drivetrain Architecture The Internal combustion engine (ICE) drives the rear wheels of the vehicle.
Drive wheel Rear wheel drive
Number of gears and type of gearbox 8 gears, automatic transmission Super ECT
Front suspension Independent multi-link suspension, Transverse stabilizer, Air Suspension – Optional
Rear suspension Independent multi-link suspension, Transverse stabilizer, Air Suspension – Optional
Front brakes Ventilated discs, 333 mm
Rear brakes Ventilated discs, 312 mm
Assisting systems ABS (Anti-lock braking system)
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size 235/50 R18; 245/45 R19
Wheel rims size 7.5J x 18; 8J x 19

Powertrain & Engine Architecture

The heart of the LS 460 is the 1UR-FSE 4.6-liter V8 engine. This naturally aspirated powerplant utilizes a combination of direct injection (D-4S) and multi-port fuel injection to optimize combustion efficiency and power delivery. The D-4S system allows for both stratified charge operation at low loads for improved fuel economy and direct injection at higher loads for increased power. The engine also features dual variable valve timing with intelligence (Dual VVT-iE) on both intake and exhaust valves, further enhancing performance and efficiency. The 1UR-FSE produces 387 horsepower at 6400 rpm and 363.62 lb-ft of torque at 4100 rpm. Paired with this engine is the Super ECT (Super Electronically Controlled Transmission) eight-speed automatic transmission. This transmission is designed for smooth and responsive shifting, contributing to the overall refined driving experience. The transmission’s gear ratios are tuned to balance acceleration and fuel efficiency.

Driving Characteristics

The LS 460 4.6L/8-speed automatic combination delivers a smooth and powerful driving experience. While not as overtly sporty as some of its European rivals, the LS 460 prioritizes comfort and effortless acceleration. The eight-speed transmission helps to keep the engine in its optimal power band, providing ample torque for highway passing and merging. Compared to the LS 600h hybrid variant, the LS 460 offers a more direct and traditional driving feel, lacking the electric motor assistance and continuously variable transmission (CVT) of the hybrid. Against lower-powered LS models (like those with the V6 engine, if offered in some markets), the V8 provides a significant performance advantage, offering quicker acceleration and a more authoritative feel. The rear-wheel-drive configuration contributes to balanced handling, although it doesn’t offer the all-weather capability of all-wheel-drive systems found on some competitors.

Equipment & Trim Levels

The LS 460, as the flagship trim, came standard with a comprehensive list of luxury features. These typically included leather upholstery, wood trim, a premium sound system (often Mark Levinson), a navigation system, heated and ventilated front seats, a power-adjustable steering column, and a rear-seat entertainment system. Optional extras included features like massaging seats, a refrigerated rear seat console, and advanced safety technologies such as adaptive cruise control and lane-keeping assist. Interior color schemes were typically conservative, focusing on shades of black, gray, and beige. The dashboard layout was characterized by a clean and elegant design, with a large central display screen controlling the infotainment system.

Chassis & Braking

The LS 460 utilizes an independent multi-link suspension system at both the front and rear, designed to provide a comfortable and controlled ride. Air suspension was often available as an option, further enhancing ride quality and allowing for adjustable ride height. Braking duties are handled by ventilated disc brakes on all four wheels, providing ample stopping power. Anti-lock braking system (ABS) and electronic brake-force distribution (EBD) are standard features. Stabilizer bars are fitted to both the front and rear axles to minimize body roll during cornering. The chassis is engineered for rigidity, contributing to a quiet and refined cabin experience.

Market Reception & Comparison

The Lexus LS 460 was generally well-received by automotive critics, praised for its luxurious interior, smooth ride, and powerful engine. However, some reviewers noted that its styling was conservative and that it lacked the sporty handling of some European competitors. Fuel economy, while respectable for a V8-powered luxury sedan, was not a strong point. Compared to other V8-powered luxury sedans like the BMW 7 Series and Mercedes-Benz S-Class, the LS 460 often offered a more competitive price point. Reliability was a key strength, with the LS 460 consistently ranking highly in consumer reports and dependability studies.

Legacy

The 1UR-FSE engine and the Super ECT eight-speed transmission have proven to be remarkably reliable powertrains. While maintenance costs for a luxury vehicle are inherently higher than for more mainstream models, the LS 460 has generally avoided major mechanical issues. On the used car market, the LS 460 remains a popular choice for buyers seeking a comfortable, well-equipped, and reliable luxury sedan. Its reputation for dependability and relatively low running costs (compared to some European rivals) contribute to its continued appeal. The fourth-generation LS established Lexus as a serious contender in the luxury sedan segment, and the 460 variant remains a testament to the brand’s commitment to quality and refinement.

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