Lexus GX vs Audi Q8
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.
Price Breakdown
The Lexus GX starts from $119,950 before on-road costs, while the Audi Q8 opens at $143,415. That makes the Lexus GX the more affordable entry point by $23,465.
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 $131,945 and $157,757 respectively.
Over 5 years, the running costs favour the Audi Q8 by roughly $2,280 in fuel alone.
Safety Rundown
Both the Lexus GX and Audi Q8 hold a 5-star ANCAP safety rating.
Where the two diverge is in active safety technology. The Audi Q8 packs more ADAS features with 9 out of 10 key systems fitted, compared to 4 in the Lexus GX.
Both include the essentials: lane keep assist, adaptive cruise control, a reversing camera.
Feature Showdown
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The Audi Q8 counters with panoramic roof, Bang & Olufsen audio and ambient lighting that the Lexus GX does not offer. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Lexus GX uses a Petrol producing 262kW and 650Nm of torque, sent through a 10-speed auto to a 4WD layout.
The Audi Q8 responds with a Diesel MHEV making 210kW and 600Nm, paired to a automatic driving all four wheels. It gets to 100km/h in 6.1 seconds.
The Lexus GX has the clear power advantage at 262kW vs 210kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Lexus GX measures 4,955mm long on a 2,850mm wheelbase, 31mm shorter than the Audi Q8 at 4,986mm (2,995mm wheelbase). The longer wheelbase on the Audi Q8 generally means more rear legroom.
Boot space is 390L in the Lexus GX and 660L in the Audi Q8, giving the Audi Q8 a 270L advantage. The Lexus GX seats 7 vs 5.
For towing, the Audi Q8 leads with a 3,500kg braked capacity vs 3,500kg. That 0kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
12.5m diameter
Large
Based on 12.5m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Turning circle ratings
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $2,850/year for the Lexus GX and $2,394/year for the Audi Q8. That is a $456 annual difference in favour of the Audi Q8.
Estimated annual total: $2,850 (Lexus GX) vs $2,394 (Audi Q8). The Audi Q8 saves you roughly $456 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Lexus GX) vs 5 years / 999,999km (Audi Q8). Both match on warranty length.
Who Should Buy Which?
Buy the Lexus GX if: You want the lower entry price, prioritise performance, or prefer Lexus's approach to design and ownership experience.
Buy the Audi Q8 if: You need more boot space, want lower running costs, or prefer Audi's approach to design and ownership experience.
The Verdict
This is genuinely close. The Lexus GX and Audi Q8 trade blows across the spec sheet, and neither runs away with an outright win. The Audi Q8 will save you roughly $456 a year in fuel. If boot space matters, the Audi Q8 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, Lexus GX and Audi Q8?
The Lexus GX is the cheapest at $119,950 before on-road costs. That undercuts the Audi Q8 by $23,465.
Which is the most fuel-efficient?
The Audi Q8 uses the least fuel at 8.4L/100km on the combined cycle.
Which is safest?
They are evenly matched — Lexus GX and Audi Q8 all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Audi Q8 has the largest boot at 660L.
Which can tow the most?
The Lexus GX has the highest braked towing capacity at 3,500kg.
Which is the most powerful?
The Lexus GX makes the most power at 262kW.
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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