Lexus UX vs Isuzu MU-X
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 UX starts from $46,900 before on-road costs, while the Isuzu MU-X opens at $43,900. That makes the Isuzu MU-X the more affordable entry point by $3,000.
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 $51,590 and $48,290 respectively.
Over 5 years, the running costs favour the Isuzu MU-X by roughly $1,140 in fuel alone.
Safety Rundown
ANCAP safety ratings have not been published for both models yet. We will update this section when crash test results are available.
Feature Showdown
The Lexus UX features a 12.3-inch touchscreen paired with a 12.3-inch digital dash, while the Isuzu MU-X gets a 8-inch display and 4.2-inch instruments. Apple CarPlay and Android Auto are standard across both.
The Lexus UX stands out with Apple CarPlay, heated front seats, power tailgate, Lexus Premium Sound audio and ambient lighting that you will not find on the Isuzu MU-X. The Isuzu MU-X counters with wireless Apple CarPlay/Android Auto. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Lexus UX gets synthetic leather upholstery while the Isuzu MU-X offers cloth.
Drivetrain
The Lexus UX uses a Petrol producing 126kW and 200Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 9.7 seconds.
The Isuzu MU-X responds with a Diesel making 120kW and 400Nm, paired to a automatic driving the rear wheels. It gets to 100km/h in 11 seconds.
The Lexus UX has the clear power advantage at 126kW vs 120kW. In the real-world sprint, the Lexus UX is 1.3s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Lexus UX measures 4,495mm long on a 2,640mm wheelbase, 365mm shorter than the Isuzu MU-X at 4,860mm (2,855mm wheelbase). The longer wheelbase on the Isuzu MU-X generally means more rear legroom.
Boot space is 217L in the Lexus UX and 311L in the Isuzu MU-X, giving the Isuzu MU-X a 94L advantage. The Isuzu MU-X seats 7 vs 5.
0Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.8m to 11.6m
Based on 10.8m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 11.6m 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 $2,052/year for the Lexus UX and $1,824/year for the Isuzu MU-X. That is a $228 annual difference in favour of the Isuzu MU-X.
Estimated annual total: $2,052 (Lexus UX) vs $1,824 (Isuzu MU-X). The Isuzu MU-X saves you roughly $228 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 4 years / 100,000km (Lexus UX) vs 6 years / 150,000km (Isuzu MU-X). The Isuzu MU-X has longer coverage. Capped-price servicing: 4yr (Lexus UX)—.
Who Should Buy Which?
Buy the Lexus UX if: You prioritise performance, or prefer Lexus's approach to design and ownership experience.
Buy the Isuzu MU-X if: You want the lower entry price, need more boot space, want lower running costs, value a longer warranty, or prefer Isuzu's approach to design and ownership experience.
The Verdict
The Isuzu MU-X takes 5 of 7 key spec categories and comes in at a lower price. The Isuzu MU-X will save you roughly $228 a year in fuel. If boot space matters, the Isuzu MU-X has a clear edge. The Isuzu MU-X adds peace of mind with a longer 6-year warranty. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Lexus UX and Isuzu MU-X?
The Isuzu MU-X is the cheapest at $43,900 before on-road costs. That undercuts the Lexus UX by $3,000.
Which is the most fuel-efficient?
The Isuzu MU-X uses the least fuel at 6.4L/100km on the combined cycle.
Which is safest?
They are evenly matched — Isuzu MU-X all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Isuzu MU-X has the largest boot at 311L.
Which can tow the most?
The Isuzu MU-X has the highest braked towing capacity at 3,500kg.
Which has the best warranty?
The Isuzu MU-X has the longest warranty at 6 years / 150k km.
Which is the most powerful?
The Lexus UX makes the most power at 126kW. The Lexus UX is quickest to 100km/h in 9.7s.
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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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