Lexus GX vs Toyota Prado: Key Differences, Features and Price Comparison

The Lexus GX and the Toyota LandCruiser Prado share more than just a family resemblance. Built on the same TNGA-F ladder-frame platform, these two large SUVs offer genuine off-road capability, seven-seat practicality, and 3,500 kg towing capacity. But the similarities end when you look at what powers them, how they're finished inside, and what they'll cost you over the life of ownership.

If you've been searching "Lexus Prado" or comparing the two side by side, you're not alone. The Prado has been an Australian institution for three decades, and the arrival of the Lexus GX in Australia in mid-2024 gave buyers a new question to answer: Is the luxury upgrade worth it?

Here's a detailed comparison to help you decide.

The Fundamentals: What They Share

Both the Lexus GX550 and the Toyota Prado 250 Series are body-on-frame SUVs built on Toyota's GA-F platform. This is the same architecture that underpins the LandCruiser 300 Series, Toyota Tundra, and Lexus LX. That shared foundation means both vehicles have double-wishbone front suspension, a rigid rear axle with four-link setup, full-time four-wheel drive with a dual-range transfer case, and a locking centre differential.

Both carry a five-star ANCAP safety rating. Both offer 3,500 kg of braked towing capacity. Both seat up to seven (grade-dependent). And both are built in Japan.

That's where the common ground starts to thin out.

Powertrain: Turbo-Diesel vs Twin-Turbo Petrol

This is the single biggest difference between the two vehicles, and it shapes the entire ownership experience.

The Toyota Prado runs a 2.8-litre four-cylinder turbo-diesel engine with a 48-volt mild-hybrid system, producing 150 kW and 500 Nm. Power goes through an eight-speed automatic transmission. It's the same proven engine found in the HiLux and LandCruiser 70 Series, and Toyota has paired it with V-Active mild-hybrid technology for smoother stop-start behaviour and reduced fuel consumption. Combined fuel economy is a claimed 7.6L/100km on diesel, and with a 110-litre fuel tank, the Prado can cover an estimated 1,400 km on a single fill.

The Lexus GX550 takes a completely different approach. It runs a 3.5-litre twin-turbocharged V6 petrol engine producing 260 kW and 650 Nm, paired with a 10-speed automatic transmission. The V6 delivers significantly more power and a more refined driving character than the Prado's four-cylinder diesel. It's smoother, quieter, and noticeably faster, reaching 100 km/h in under 7 seconds. But it comes at a cost: fuel consumption is 12.3L/100km on premium unleaded, and the GX's smaller 80-litre fuel tank limits driving range to roughly 650 km between fills.

For long-distance touring across Australia, the Prado's diesel range is a clear advantage. For everyday driving refinement and performance, the GX's V6 is in a different league entirely.

Pricing: How They Stack Up

The price gap between the two is significant, but narrows considerably when you compare like-for-like at the top of each range.

The Toyota Prado starts at $73,200 (GX grade) and tops out at $96,046 (Kakadu). The range includes five grades: GX, GXL ($80,661), VX ($86,361), Altitude ($90,438), and Kakadu all before on-road costs

The Lexus GX550 starts at $130,586 (Luxury) and tops out at $143,917 (Sports Luxury), before on-road costs. The off-road-focused Overtrail sits in the middle at approximately $137,431 before on-road costs.

That puts the entry-level GX at $35,540 more than the top-spec Prado Kakadu. It's a meaningful premium, but it buys a significantly more powerful engine, a more refined cabin, and the Lexus ownership experience, including Lexus Encore membership.

Interior and Technology

Both vehicles have been redesigned with modern cabins, and both are a substantial step up from their predecessors. Standard features across both ranges include wireless Apple CarPlay and Android Auto, digital instrument clusters, dual-zone climate control, and comprehensive driver-assist systems.

The Prado's cabin is practical and well-built, with physical buttons and intuitive controls. The Kakadu grade adds premium leather-accented seats, a heated steering wheel, a panoramic moonroof, and a premium audio system. It's comfortable and functional, but it leans toward rugged practicality rather than outright luxury.

The Lexus GX lifts the interior experience substantially. The Luxury grade already includes a larger 14-inch touchscreen, leather-accented upholstery, and a more refined fit and finish throughout. The Sports Luxury adds 22-inch alloy wheels, retracting side steps, semi-aniline leather, heated and ventilated front seats with massage function, and a 21-speaker Mark Levinson premium sound system. The materials, the touch surfaces, and the overall sense of occasion inside the GX are measurably better than the Prado's.

One practical note: the GX's third-row seats fold flat into the floor (no mild-hybrid battery taking up space underneath), which gives it a flatter cargo area than the Prado when all seats are stowed.

Off-Road Capability

Both vehicles are seriously capable off-road, but they approach it differently.

The Prado comes standard with crawl control (five speed settings) and downhill assist control across the entire range. The Altitude grade adds Toyota's Stabiliser Disconnect Mechanism, which disengages the front stabiliser bar for greater wheel articulation on rough terrain, along with a locking rear differential and Toyo Open Country All-Terrain III tyres. Ground clearance is up to 221 mm on higher grades.

The Lexus GX Overtrail takes a different path, using an electronic Kinetic Dynamic Suspension System (eKDSS) to achieve similar articulation gains. The Overtrail grade is five-seat only, giving it a larger cargo area for expedition-style touring. It also features adaptive variable suspension and Multi-Terrain Select.

Both vehicles have a 700 mm wading depth and approach/departure angles suited to serious 4WD use. If off-road capability is the primary concern, the Prado Altitude and the GX Overtrail are both excellent choices, though the Prado's diesel drivetrain and larger fuel tank give it the edge for remote touring where fuel stations are sparse.

Running Costs and Ownership

This is where the two vehicles diverge further.

The Prado uses diesel fuel, which is generally cheaper per litre than premium unleaded, and its 7.6L/100km consumption means significantly lower fuel costs over time. Capped-price servicing is $395 per visit, every six months or 10,000 km. Toyota offers a five-year, unlimited-kilometre warranty.

The Lexus GX runs on premium unleaded at 12.3L/100km, which roughly doubles the Prado's fuel costs over the same distance. Servicing is $695 per visit on the same six-month/10,000 km schedule. Lexus also offers a five-year warranty, plus a complimentary three-year Lexus Encore membership with benefits including service loan cars, vehicle collection and drop-off, DriveCare 24/7 roadside assistance, and VIP lifestyle offers.

Over a typical five-year ownership period, the Prado will be meaningfully cheaper to run. The GX's premium extends beyond the purchase price and into every aspect of ongoing costs.

So, Which One Should You Buy?

Choose the Toyota Prado if: you want unbeatable long-distance range, lower running costs, a proven turbo-diesel drivetrain, and a vehicle that's built first and foremost for Australian conditions. The Prado is the pragmatic choice, and it does everything a large 4WD SUV needs to do without the luxury tax. The Kakadu is as comfortable as most buyers will ever need.

Choose the Lexus GX if: you want a genuinely premium driving experience in a vehicle that's just as capable off-road. The twin-turbo V6 transforms the way the car drives, the cabin is a significant step up in quality, and the Lexus ownership experience adds a layer of service that Toyota doesn't match. If your driving is more on-road than off, and fuel range isn't a priority, the GX550 is the better daily driver by a considerable margin.

For many Australian buyers, the honest answer is that the Prado does everything they need. But once you've driven the GX550, the refinement gap is hard to ignore.

Experience Both at Lexus of Parramatta

Lexus of Parramatta can help you explore the full Lexus GX550 range, including the Luxury, Overtrail, and Sports Luxury grades. If you're cross-shopping with the Toyota Prado, our team understands both vehicles and can walk you through the differences that matter most to your lifestyle and driving needs. Book a test drive or visit the showroom to experience the GX550 for yourself.

Disclaimer: Pricing and specifications are correct at the time of publication and may be subject to change without notice. Contact Lexus of Parramatta for the most up-to-date information.