Lexus LBX 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 LBX starts from $47,550 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 $3,650.
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 $52,305 and $48,290 respectively.
Over 5 years, the running costs favour the Lexus LBX by roughly $2,565 in fuel alone.
Safety Rundown
Both the Lexus LBX and Isuzu MU-X hold a 5-star ANCAP safety rating. Adult occupant protection scored 82% for the Lexus LBX and 86% for the Isuzu MU-X.
Where the two diverge is in active safety technology. The Isuzu MU-X packs more ADAS features with 6 out of 10 key systems fitted, compared to 5 in the Lexus LBX.
Both include the essentials: autonomous emergency braking, 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 Lexus LBX stands out with Apple CarPlay 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 LBX uses a Hybrid producing 100kW and 185Nm of torque, sent through a cvt to a FWD layout. It covers the 0-100km/h sprint in 9.2 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 Isuzu MU-X has the clear power advantage at 120kW vs 100kW. In the real-world sprint, the Lexus LBX is 1.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Lexus LBX measures 4,190mm long on a 2,580mm wheelbase, 670mm 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 332L in the Lexus LBX and 311L in the Isuzu MU-X, giving the Lexus LBX a 21L advantage. The Isuzu MU-X seats 7 vs 5.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.6m diameter
Average
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 $1,311/year for the Lexus LBX and $1,824/year for the Isuzu MU-X. That is a $513 annual difference in favour of the Lexus LBX.
Estimated annual total: $1,311 (Lexus LBX) vs $1,824 (Isuzu MU-X). The Lexus LBX saves you roughly $513 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 5 years / 999,999km (Lexus LBX) vs 6 years / 150,000km (Isuzu MU-X). The Isuzu MU-X has longer coverage.
Who Should Buy Which?
Buy the Lexus LBX if: You need more boot space, want lower running costs, or prefer Lexus's approach to design and ownership experience.
Buy the Isuzu MU-X if: You want the lower entry price, prioritise performance, value a longer warranty, or prefer Isuzu's approach to design and ownership experience.
The Verdict
This is genuinely close. The Lexus LBX and Isuzu MU-X trade blows across the spec sheet, and neither runs away with an outright win. The Lexus LBX will save you roughly $513 a year in fuel. 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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