2018-2019 Lexus RX IV 450hL V6 (313 Hp) Hybrid E-Four e-CVT

The Lexus RX 450hL V6, produced from 2018 to 2019, represents the fourth generation (RX IV) of Lexus’s popular luxury crossover SUV. This variant specifically adds a third row of seating (“L” designation) to the RX 450h, expanding its practicality for families. Positioned as a premium offering within the RX lineup, the 450hL V6 combines a gasoline engine with hybrid technology to deliver a balance of performance, fuel efficiency, and luxury. It primarily targeted the North American market, where three-row SUVs are highly sought after, and competed with vehicles like the Acura MDX and Volvo XC90.

Technical Specifications

Brand Lexus
Model RX
Generation RX IV
Type (Engine) 450hL V6 (313 Hp) Hybrid E-Four e-CVT
Start of production 2018
End of production 2019
Powertrain Architecture FHEV (Full Hybrid Electric Vehicle)
Body type SUV
Seats 7
Doors 5
Fuel consumption (urban) 6.2-6.3 l/100 km (37.9 – 37.3 US mpg)
Fuel consumption (extra urban) 6.0-6.1 l/100 km (39.2 – 38.6 US mpg)
Fuel consumption (combined) 5.9-6.0 l/100 km (39.9 – 39.2 US mpg)
CO2 emissions 136-138 g/km
Fuel Type Petrol (Gasoline)
Acceleration 0 – 100 km/h 8 sec
Acceleration 0 – 62 mph 8 sec
Acceleration 0 – 60 mph 7.6 sec
Maximum speed 180 km/h (111.85 mph)
Emission standard Euro 6d-TEMP
Weight-to-power ratio 7 kg/Hp, 142 Hp/tonne
Weight-to-torque ratio 6.6 kg/Nm, 151.9 Nm/tonne
Battery voltage 288 V
Battery technology Nickel-metal hydride (NiMH)
Battery location Under the rear seats
Electric motor power (1) 167 Hp
Electric motor torque (1) 335 Nm (247.08 lb.-ft.)
Electric motor type (1) Synchronous
Electric motor power (2) 68 Hp
Electric motor torque (2) 139 Nm (102.52 lb.-ft.)
Electric motor type (2) Synchronous
System power 313 Hp
Engine power 262 Hp @ 6000 rpm
Engine torque 335 Nm @ 4600 rpm (247.08 lb.-ft. @ 4600 rpm)
Engine layout Front, Transverse
Engine Model/Code 2GR-FXS
Engine displacement 3456 cm3 (210.9 cu. in.)
Number of cylinders 6
Engine configuration V-engine
Cylinder Bore 94 mm (3.7 in.)
Piston Stroke 83 mm (3.27 in.)
Compression ratio 13:1
Number of valves per cylinder 4
Fuel injection system Multi-port manifold injection
Engine aspiration Naturally aspirated engine
Valvetrain DOHC, D-VVT-iW
Engine oil capacity 5.5 l (5.81 US qt | 4.84 UK qt)
Coolant capacity 12.5 l (13.21 US qt | 11 UK qt)
Kerb Weight 2205-2275 kg (4861.19 – 5015.52 lbs.)
Max. weight 2840 kg (6261.13 lbs.)
Max load 565-635 kg (1245.61 – 1399.94 lbs.)
Trunk (boot) space – minimum 176 l (6.22 cu. ft.)
Trunk (boot) space – maximum 1656 l (58.48 cu. ft.)
Fuel tank capacity 65 l (17.17 US gal | 14.3 UK gal)
Length 5000 mm (196.85 in.)
Width 1895 mm (74.61 in.)
Height 1700 mm (66.93 in.)
Wheelbase 2790 mm (109.84 in.)
Front track 1640 mm (64.57 in.)
Rear track 1630 mm (64.17 in.)
Front overhang 1080 mm (42.52 in.)
Rear overhang 1130 mm (44.49 in.)
Ride height (ground clearance) 200 mm (7.87 in.)
Drag coefficient (Cd) 0.33
Minimum turning circle 11.8 m (38.71 ft.)
Front suspension Independent type McPherson
Rear suspension Double wishbone
Front brakes Ventilated discs, 328×34 mm
Rear brakes Ventilated discs, 338×18 mm
Steering type Steering rack and pinion
Power steering Electric Steering
Tires size 235/65 R18
Wheel rims size 8J x 18

INTRODUCTION

The Lexus RX 450hL V6 is a luxury hybrid SUV that debuted in 2018 as an extension of the RX 450h model. Built on the Lexus New Global Architecture (AN210) platform, shared with the Toyota Highlander, the “L” variant specifically addresses the demand for a seven-passenger RX. This model year marked a significant update for the RX line, incorporating Lexus’s signature spindle grille and a more refined interior. The 450hL aimed to provide a more practical option for larger families without sacrificing the comfort and fuel efficiency expected from a Lexus hybrid.

Powertrain & Engine Architecture

At the heart of the RX 450hL V6 lies Lexus’s 2GR-FXS 3.5-liter V6 engine. This naturally aspirated engine utilizes Toyota’s D-4S fuel injection system, combining direct and port injection for optimal combustion efficiency. The engine features a double overhead camshaft (DOHC) valvetrain with variable valve timing on both intake and exhaust sides (D-VVT-iW). The hybrid system employs a nickel-metal hydride (NiMH) battery pack located under the rear seats, powering two electric motors. One motor assists the gasoline engine in driving the front wheels, while the second motor independently powers the rear wheels, creating an all-wheel-drive system. The e-CVT (electronically controlled continuously variable transmission) seamlessly blends power from the engine and electric motors, optimizing fuel economy and providing smooth acceleration. The engine produces 262 horsepower at 6000 rpm and 247 lb-ft of torque at 4600 rpm, while the combined system output reaches 313 horsepower.

Driving Characteristics

The RX 450hL V6 delivers a comfortable and refined driving experience. The e-CVT, while prioritizing efficiency, can feel less responsive than a traditional automatic transmission, particularly during quick acceleration. The added weight of the third-row seating and hybrid components does slightly impact handling compared to the standard RX 350. However, the all-wheel-drive system provides confident traction in various weather conditions. The hybrid system allows for short periods of electric-only driving at low speeds, further enhancing fuel economy. The steering is light and precise, making it easy to maneuver in urban environments. While not a performance-oriented SUV, the 450hL offers adequate power for everyday driving and highway merging, achieving 0-60 mph in approximately 7.6 seconds.

Equipment & Trim Levels

The RX 450hL V6 typically came well-equipped with standard features including Lexus Safety System+, which incorporates pre-collision system with pedestrian detection, lane departure alert with intelligent steering assist, and dynamic radar cruise control. Interior amenities included leather upholstery, heated and ventilated front seats, a power-adjustable steering column, and a 12.3-inch infotainment display with navigation. Available options included a Mark Levinson premium sound system, a panoramic sunroof, and rear-seat entertainment system. Trim levels generally followed a progression of features, with higher trims adding items like upgraded leather, wood trim, and advanced driver-assistance technologies.

Chassis & Braking

The RX 450hL V6 utilizes an independent McPherson strut suspension in the front and a double-wishbone suspension in the rear. This setup prioritizes ride comfort and stability. The vehicle is equipped with 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. The suspension is tuned to absorb bumps and irregularities in the road, contributing to a smooth and quiet ride. Stabilizer bars are present on both axles to minimize body roll during cornering.

Market Reception & Comparison

The RX 450hL V6 was generally well-received by critics, who praised its fuel efficiency, comfortable ride, and spacious interior. However, some reviewers noted the limited cargo space behind the third row and the somewhat lackluster acceleration. Compared to the standard RX 450h, the “L” model offered increased passenger capacity but sacrificed some cargo versatility. Against competitors like the Acura MDX and Volvo XC90, the RX 450hL stood out with its hybrid powertrain and Lexus’s reputation for reliability. Fuel economy figures of around 39 mpg combined were a significant selling point, particularly in a segment dominated by gasoline-only SUVs.

Legacy

The Lexus RX 450hL V6 remains a popular choice in the used car market due to its reputation for reliability and fuel efficiency. The hybrid powertrain has proven to be durable, with many examples exceeding 150,000 miles without major issues. While the battery pack may eventually require replacement, the cost of replacement has decreased over time. The RX 450hL continues to appeal to buyers seeking a luxurious, comfortable, and fuel-efficient three-row SUV. Its blend of practicality, refinement, and Lexus’s renowned build quality ensures its continued relevance in the pre-owned vehicle landscape.

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