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
Both the Lexus UX and Isuzu MU-X hold a 5-star ANCAP safety rating. Adult occupant protection scored 96% for the Lexus UX and 86% for the Isuzu MU-X.
Where the two diverge is in active safety technology. Both models are evenly matched with 6 out of 10 key ADAS systems.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control, a reversing camera. Airbag count is 8 in the Lexus UX and 8 in the Isuzu MU-X.
Feature Showdown
The Lexus UX features a 10.3-inch touchscreen, 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.
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.
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.
Published by CarSorted Editorial Team · 20 April 2026
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