2012-2017 Lexus LS IV (facelift ) 460 V8 (370 Hp) AWD Super ECT

The Lexus LS 460, specifically the facelifted fourth-generation model produced from July 2012 to October 2017, represents Lexus’s flagship sedan offering. This iteration, designated internally as the XF40 series, continued the LS’s reputation for luxury, refinement, and advanced technology. The 460 variant, powered by a 4.6-liter V8 engine and featuring an eight-speed automatic transmission coupled with all-wheel drive (AWD), occupied the top tier of the LS lineup during its production run. It was positioned as a direct competitor to established luxury sedans like the BMW 7 Series, Mercedes-Benz S-Class, and Audi A8, aiming to deliver a uniquely Japanese approach to luxury – emphasizing quietness, reliability, and meticulous craftsmanship.

Technical Specifications

Brand Lexus
Model LS
Generation LS IV (facelift 2012)
Type (Engine) 460 V8 (370 Hp) AWD 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) 16.8 l/100 km (14 US mpg, 16.8 UK mpg, 6 km/l)
Fuel consumption (economy) – extra urban (NEDC) 8.4 l/100 km (28 US mpg, 33.6 UK mpg, 11.9 km/l)
Fuel consumption (economy) – combined (NEDC) 11.4 l/100 km (20.6 US mpg, 24.8 UK mpg, 8.8 km/l)
CO2 emissions (NEDC) 263 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 6.3 sec
Acceleration 0 – 62 mph 6.3 sec
Acceleration 0 – 60 mph 5.9 sec
Maximum speed 250 km/h (155.34 mph), Electronically limited
Emission standard Euro 5
Weight-to-power ratio 5.6 kg/Hp, 177.9 Hp/tonne
Weight-to-torque ratio 4.4 kg/Nm, 227.4 Nm/tonne
Power 370 Hp @ 6400 rpm
Power per litre 80.3 Hp/l
Torque 473 Nm @ 4100 rpm (348.87 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 9 l (9.51 US qt | 7.92 UK qt)
Coolant 11.1 l (11.73 US qt | 9.77 UK qt)
Kerb Weight 2080-2200 kg (4585.62 – 4850.17 lbs.)
Max. weight 2575 kg (5676.9 lbs.)
Max load 375-495 kg (826.73 – 1091.29 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 1610-1615 mm (63.39 – 63.58 in.)
Front overhang 925 mm (36.42 in.)
Rear overhang 1195 mm (47.05 in.)
Drag coefficient (Cd) 0.27
Minimum turning circle (turning diameter) 11.4 m (37.4 ft.)
Drivetrain Architecture The Internal combustion engine (ICE) drives permanently the four wheels of the vehicle.
Drive wheel All wheel drive (4×4)
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, 355 mm
Rear brakes Ventilated discs, 333 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 engine features a dual variable valve timing system (Dual VVT-iE) on both intake and exhaust valves, further enhancing performance and fuel economy. The 1UR-FSE produces 370 horsepower at 6,400 rpm and 473 Nm (348.87 lb-ft) of torque at 4,100 rpm. The engine’s architecture is a 60-degree V-angle, contributing to a smooth and balanced operation. Paired with the engine is Lexus’s Super ECT (Electronically Controlled Transmission) eight-speed automatic transmission. This transmission is designed for smooth and responsive shifts, and features adaptive shift logic that adjusts to driving conditions and driver input. The AWD system employs a viscous coupling center differential, providing full-time all-wheel drive for enhanced traction and stability.

Driving Characteristics

The LS 460 4WD Automatic delivers a driving experience focused on comfort and refinement. While not a sports sedan, the 370 hp engine provides ample power for effortless acceleration and highway cruising. The 0-60 mph sprint takes approximately 5.9 seconds. The eight-speed transmission keeps the engine in its optimal power band, providing smooth and seamless gear changes. Compared to the rear-wheel-drive LS 460, the AWD version offers increased grip and stability, particularly in inclement weather. However, the AWD system adds some weight, slightly impacting fuel economy and agility compared to the RWD model. The gear ratios are tuned for relaxed cruising, with a focus on minimizing engine noise and maximizing fuel efficiency. It doesn’t offer the sharp handling of some European competitors, but prioritizes a serene and isolated ride.

Equipment & Trim Levels

The LS 460 came generously equipped, even in its base form. Standard features included leather upholstery, wood trim, a premium sound system, navigation system, a power moonroof, and a suite of safety features including Lexus’s Pre-Collision System. Optional extras included Mark Levinson premium audio, rear-seat entertainment, adaptive cruise control, and an air suspension system that further enhanced ride comfort. Interior color options typically included black, ecru, and gray leather. The facelifted 2012 model received updated interior trim and technology features, including a larger infotainment screen and improved voice control functionality.

Chassis & Braking

The LS 460 utilizes an independent multi-link suspension system at all four corners. The optional air suspension system provides adjustable ride height and damping, allowing drivers to tailor the ride to their preferences. Braking duties are handled by ventilated disc brakes on all four wheels, with the front discs measuring 355mm and the rear discs measuring 333mm. An Anti-lock Braking System (ABS) is standard, along with Electronic Brake-force Distribution (EBD) and Brake Assist. The steering system is a rack-and-pinion setup with electric power steering.

Market Reception & Comparison

The Lexus LS 460 was generally well-received by automotive critics, praised for its luxurious interior, quiet ride, and reliability. However, some critics noted that it lacked the sporty driving dynamics of its European rivals. Fuel economy was also a point of concern, with the combined fuel consumption of 11.4 l/100 km being relatively high for its class. Compared to other LS 460 trims, the AWD version offered enhanced all-weather capability but at the expense of slightly reduced fuel efficiency. The LS 460 Hybrid offered significantly better fuel economy, while the rear-wheel-drive model provided a more engaging driving experience.

Legacy

The Lexus LS 460, including the 2012-2017 facelifted model, has proven to be a remarkably reliable vehicle. The 1UR-FSE engine is known for its durability and longevity, and the eight-speed automatic transmission has also proven to be robust. On the used car market, the LS 460 remains a popular choice for buyers seeking a luxurious and reliable full-size sedan. Maintenance costs are generally reasonable, although replacement parts can be expensive. The LS 460 represents a high point in Lexus’s commitment to quality and refinement, and continues to be a respected and admired vehicle among luxury car enthusiasts.

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