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HomeComparisonsHyundai IONIQ 9 vs Lexus GX
Spec Battle Updated 20 April 2026 5 min read

Hyundai IONIQ 9 vs Lexus GX

A detailed look at how two of Australia's most popular SUVs compare on price, running costs, safety, and everyday livability.

Specifications and pricing correct at time of publishing. Prices are RRP before on-road costs unless stated otherwise. Always confirm with the manufacturer or dealer before purchasing.

SpecHyundaiLexus
Price (RRP)$119,750$119,950
Fuel typeElectricPetrol
Battery110.3 kWh
Power314kW260kW
0-100 km/h5.2s7s
Max DC Charge350kW
10-80% Charge Time24 min
Fuel Economy12.3 L/100km
Boot Space338L390L
Towing2,500kg3,500kg
Warranty5yr / Unlimited5yr / Unlimited
ANCAP Safety5 StarsNo data
V2LYes (2.8kW)No

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Price Breakdown

The Hyundai IONIQ 9 starts from $119,750 before on-road costs, while the Lexus GX opens at $119,950. That makes the Hyundai IONIQ 9 the more affordable entry point by $200.

Once you factor in stamp duty, registration, CTP insurance, and dealer delivery, expect to add roughly 8-12% on top of the RRP depending on your state. That puts estimated driveaway prices in the ballpark of $131,725 and $131,945 respectively.

The Hyundai IONIQ 9 qualifies for FBT exemption as an electric vehicle, which can dramatically reduce the effective cost for novated lease buyers. The Lexus GX, as a petrol model, does not qualify.

Safety Rundown

ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.

Charging Times

How long each takes to charge — from a household power point to ultra-rapid DC — estimated from battery size and max charge rates.

How long to charge

110.3kWh usable

Public DC

50kW charger · 0–80%

1h 46m

Ultra-rapid DC

up to 350kW · 0–80%

19 min

Estimates from usable battery size and the car's max charge rates (10.5kW AC, 350kW DC). Real times vary with temperature, starting charge, charger output and the charging curve.

Feature Showdown

The Hyundai IONIQ 9 features a 12.3-inch touchscreen paired with a 12.3-inch digital dash, while the Lexus GX gets a 14-inch display and 12.3-inch instruments. Apple CarPlay and Android Auto are standard across both.

The Hyundai IONIQ 9 stands out with panoramic roof, V2L, Bose audio and ambient lighting that you will not find on the Lexus GX. Which feature set matters more depends on your daily routine and priorities.

Interior trim differs: the Hyundai IONIQ 9 gets nappa leather upholstery while the Lexus GX offers synthetic leather.

Drivetrain

The Hyundai IONIQ 9 runs a pure electric powertrain producing 314kW and 700Nm of torque, sent through a single-speed reduction gear to a AWD layout. It covers the 0-100km/h sprint in 5.2 seconds.

The Lexus GX responds with a Petrol making 260kW and 650Nm, paired to a 10-speed auto driving the rear wheels. It gets to 100km/h in 7 seconds.

The Hyundai IONIQ 9 has the clear power advantage at 314kW vs 260kW. In the real-world sprint, the Hyundai IONIQ 9 is 1.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

Space & Comfort

The Hyundai IONIQ 9 measures 5,060mm long on a 3,130mm wheelbase, 45mm longer than the Lexus GX at 5,015mm (2,850mm wheelbase). The longer wheelbase on the Hyundai IONIQ 9 generally means more rear legroom.

Boot space is 338L in the Hyundai IONIQ 9 and 390L in the Lexus GX, giving the Lexus GX a 52L advantage.

For towing, the Lexus GX leads with a 3,500kg braked capacity vs 2,500kg. That 1,000kg difference matters if you regularly hitch up.

Turning Circle

Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.

12.5m to 12.8m

Hyundai IONIQ 9 Calligraphy AWD 7-Seat
12.5mTighter
Best
Lexus GX GX550 Luxury
12.8m
Worst
Hyundai IONIQ 9 Calligraphy AWD 7-Seat
12.5m · Large

Based on 12.5m turning circle:

  • U-turn on standard street (7m+ wide)
  • Standard parking bay
  • Tight carparks
  • Narrow laneways
Lexus GX GX550 Luxury
12.8m · Large

Based on 12.8m turning circle:

  • U-turn on standard street (7m+ wide)
  • Standard parking bay
  • Tight carparks
  • Narrow laneways

Turning circle ratings

Under 10m, Excellent
10 to 11m, Good
11 to 12m, Average
Over 12m, Large

True Cost to Own

Running cost data is not yet available for both models. We will update when figures are confirmed.

Warranty: 5 years (Hyundai IONIQ 9) vs 5 years / 999,999km (Lexus GX). Both match on warranty length.

Who Should Buy Which?

Buy the Hyundai IONIQ 9 if: You want the lower entry price, prioritise performance, or prefer Hyundai's approach to design and ownership experience.

Buy the Lexus GX if: You need more boot space, need stronger towing, or prefer Lexus's approach to design and ownership experience.

The Verdict

The Hyundai IONIQ 9 takes 4 of 6 key spec categories and comes in at a lower price. If boot space matters, the Lexus GX has a clear edge. The best pick depends on what you value most. Explore the full specs for each model below.

Common questions

Which is cheapest, Hyundai IONIQ 9 and Lexus GX?

The Hyundai IONIQ 9 is the cheapest at $119,750 before on-road costs. That undercuts the Lexus GX by $200.

Which is the most fuel-efficient?

The Lexus GX uses the least fuel at 12.3L/100km on the combined cycle.

Which is safest?

They are evenly matched — Hyundai IONIQ 9 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.

Which has the most boot space?

The Lexus GX has the largest boot at 390L.

Which can tow the most?

The Lexus GX has the highest braked towing capacity at 3,500kg.

Which is the most powerful?

The Hyundai IONIQ 9 makes the most power at 314kW. The Hyundai IONIQ 9 is quickest to 100km/h in 5.2s.

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Disclaimer: All information in this comparison was believed to be correct at the time of publishing (20 April 2026). Prices are manufacturer recommended retail prices (RRP) and may vary by state, dealer, and options. Driveaway costs include estimated on-road costs for Victoria. Fuel economy figures are WLTP/ADR combined cycle. Specifications can change without notice. Always verify with the manufacturer before making a purchase decision. CarSorted does not accept payment for recommendations.

Auto-generated from CarSorted's specification data · 20 April 2026

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