Lexus GX 550 Review: Features, Pricing and Specs

The Lexus GX 550 packs a twin-turbo 3.5-litre V6 engine that generates 260kW of power and 650Nm of torque, pulling its substantial 2500kg weight with authority. This Upper Large segment SUV starts at $130,586 Drive away* for the entry-level Luxury trim, making quite a statement in its class. The boxy design turns the right heads while its 3500kg towing capacity proves this vehicle masterfully combines luxury with genuine capability.

This review covers everything about theLexus GX 550’s on-road refinement and off-road prowess. Its premium SUV positioning is reflected in the price point, while multiple driving modes showcase its adaptability across different terrains. Built on Toyota Prado 250 fundamentals, the GX 550 takes things further with Lexus refinement. Below, we explore how this SUV handles both city streets and challenging off-road environments.

Lexus GX 550 Trims and Specifications Overview

TheLexus GX 550 sits on Toyota’s reliable GA-F platform and combines luxury with ruggedness in a more squared-off design than its predecessor. This third-generation model delivers notable improvements in size, capability, and overall refinement.

Engine: 3.5L Twin-Turbo V6, 260kW/650Nm

At the heart of the GX 550 is a 3.5-litre twin-turbocharged V6 engine delivering 260kW of power and 650Nm of torque. Maximum torque is available between 2000 and 3600rpm, giving the GX 550 strong, responsive performance in everyday driving situations.

Active Noise Control for both intake and exhaust helps reduce unwanted engine noise, while Engine Sound Enhancement in Sport and Custom drive modes adds a more engaging soundtrack when you want it.

Transmission and Drivetrain: 10-Speed Auto, Full-Time 4WD

A DirectShift 10-speed automatic transmission pairs with the V6 engine, using close gear ratios to keep the engine operating smoothly and efficiently. The system includes a lock-up clutch that functions in most driving situations.

The GX 550 features a full-time four-wheel drive system with a Torsen™ limited-slip centre differential. This improves stability and traction on-road and can be locked when additional off-road capability is required.

Trim Levels: Luxury, Overtrail, Sports Luxury

Australian buyers can choose from three GX 550 variants:

• Luxury – $130,586 Drive away*
• Overtrail – From $137,431 Drive away*
• Sports Luxury – $143,917 Drive away*

The Luxury grade features 20-inch alloy wheels and a strong list of comfort features. Overtrail is focused on off-road performance, with 18-inch wheels, all-terrain tyres, and a locking rear differential. Sports Luxury sits at the top of the range, adding 22-inch alloy wheels, semi-aniline leather upholstery, and a 21-speaker Mark Levinson sound system.

Dimensions and Seating Configurations

The GX 550 measures 5015mm in length and features a 2850mm wheelbase across all grades. Width varies slightly depending on trim.

Luxury and Sports Luxury models are configured with seven seats, featuring power-folding third-row seats that recline for added comfort. The Overtrail is offered as a five-seat layout to maximise cargo space.

Seven-seat models provide 171 litres of cargo space with all seats in place, expanding to 949 litres with the third row folded and 1875 litres with both rear rows folded. The five-seat Overtrail offers 1063 litres with the rear seats up and 2000 litres with them folded.

Fuel Economy and Tank Capacity

The GX 550 requires premium fuel with a minimum 95-octane rating. It features an 80-litre fuel tank.

Official combined fuel consumption is rated at 12.3L/100km. Real-world figures align closely on highways but increase during city driving, which is expected for a petrol V6 SUV of this size.

On-Road and Off-Road Performance Review

The Lexus GX 550 offers a refined on-road experience while retaining genuine off-road capability. Each trim delivers a slightly different character, with the Overtrail variant highlighting the GX’s adventurous side.

Suspension Setup: AVS and e-KDSS Explained

The GX 550 uses a double wishbone front suspension paired with a rigid rear axle and lateral control arms. This setup provides stability on sealed roads and durability off-road.

The Overtrail model features Electronic-Kinetic Dynamic Suspension System (e-KDSS), which electronically controls stabiliser bars to improve wheel articulation on rough terrain while reducing body roll on-road.

Drive Modes and Handling on Pavement

Despite its rugged build, the GX 550 handles confidently on sealed roads. Steering feels composed and predictable, even on winding country roads.

Drivers can choose from several drive modes, including a Custom mode that allows independent adjustment of the powertrain, suspension, steering, and climate control. Sport-focused modes keep lower gears engaged for more responsive performance.

Off-Road Features: Crawl Control and Multi-Terrain Select

Overtrail models are equipped with Multi-Terrain Select, offering multiple terrain-specific modes that adjust torque delivery and traction control.

Crawl Control acts as a low-speed off-road cruise control, maintaining a steady pace over difficult terrain without requiring throttle or brake input.

Towing Capacity

The Lexus GX 550 can tow up to 3500kg braked in Australian specification, with Trailer Sway Control included to enhance stability when towing heavy loads.

Interior Comfort, Infotainment and Technology

The GX 550’s interior blends luxury with practical design, following Lexus’ Tazuna cockpit philosophy that keeps key controls within easy reach.

Cabin Layout and Seating Comfort

A clean, horizontal dashboard design improves visibility and ease of use. Luxury models feature power-adjustable front seats with lumbar support, while Sports Luxury adds massage functionality, ventilation, and extended adjustment.

Second-row seats recline and tumble forward to allow access to the third row. Three-zone climate control with nanoeX air ionisation helps maintain cabin comfort for all occupants.

Infotainment System

A 14-inch touchscreen sits at the centre of the cabin, supporting wireless Apple CarPlay and Android Auto. Physical controls are retained for volume and temperature.

Multiple USB-C ports are fitted throughout the cabin, and buyers can choose between a standard Lexus audio system or upgrade to a premium Mark Levinson sound system.

Driver Displays

A 12.3-inch digital instrument cluster offers multiple display layouts, while the head-up display can be customised for brightness, position, and information density.

Storage, Cargo Space and Third-Row Usability

The Lexus GX 550 offers flexible storage solutions across both five- and seven-seat configurations. Folding rear seats significantly expands cargo capacity, making it easy to carry larger items.

Power-folding third-row seats add everyday convenience, while the Overtrail’s five-seat layout maximises usable cargo space for touring or outdoor gear.

Practical features include tie-down points, under-floor storage, and a 220V power outlet in the cargo area.

Lexus GX 550 Price, Warranty and Value

The GX 550 is positioned as a premium off-road SUV within the Lexus lineup.

Price by Trim

• Luxury: $130,586*
• Overtrail: From $137,431*
• Sports Luxury: $143,917*

The GX 550 sits above the Toyota Prado but below the Lexus LX, offering a balance of luxury and capability at a competitive price point within the segment.

Warranty and Servicing

Lexus provides a five-year, unlimited kilometre warranty. Servicing is scheduled every six months or 10,000km, with each service priced at $695 for the first five years.

Comparison With Prado and Defender

The GX 550 offers a higher level of refinement and standard equipment than the LandCruiser Prado, while remaining competitively priced against European rivals such as the Land Rover Defender.

Who Should Buy the Lexus GX 550?

The Lexus GX 550 is ideal for buyers who want genuine off-road capability without sacrificing comfort and luxury. It suits drivers who find the Prado too basic and the Lexus LX larger or more expensive than necessary.

Explore the Lexus GX 550 at Lexus of Parramatta

If the Lexus GX 550 sounds like the right fit, Lexus of Parramatta can help you explore the range and choose the variant that suits your lifestyle.

Our team can guide you through model differences, explain features in detail, and arrange a test drive so you can experience the GX 550’s comfort and capability for yourself. Whether you’re upgrading or buying your first Lexus SUV, Lexus of Parramatta is well placed to help you make a confident, informed decision.