Isuzu MU-X vs Lexus LBX
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.
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Price Breakdown
The Isuzu MU-X starts from $43,900 before on-road costs, while the Lexus LBX opens at $47,550. 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 $48,290 and $52,305 respectively.
Over 5 years, the running costs favour the Lexus LBX by roughly $3,705 in fuel alone.
Safety Rundown
Both the Isuzu MU-X and Lexus LBX hold a 5-star ANCAP safety rating. Adult occupant protection scored 86% for the Isuzu MU-X and 82% for the Lexus LBX.
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
The Isuzu MU-X features a 8-inch touchscreen paired with a 4.2-inch digital dash, while the Lexus LBX gets a 9.8-inch display and 12.3-inch instruments. Apple CarPlay and Android Auto are standard across both.
The Isuzu MU-X stands out with wireless Apple CarPlay/Android Auto that you will not find on the Lexus LBX. The Lexus LBX counters with Apple CarPlay. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Isuzu MU-X gets cloth upholstery while the Lexus LBX offers synthetic leather.
Drivetrain
The Isuzu MU-X uses a Diesel producing 120kW and 400Nm of torque, sent through a automatic to a RWD layout. It covers the 0-100km/h sprint in 11 seconds.
The Lexus LBX responds with a Hybrid making 100kW and 185Nm, paired to a cvt driving the front wheels. It gets to 100km/h in 9.2 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 Isuzu MU-X measures 4,860mm long on a 2,855mm wheelbase, 670mm longer than the Lexus LBX at 4,190mm (2,580mm wheelbase). The longer wheelbase on the Isuzu MU-X generally means more rear legroom.
Boot space is 311L in the Isuzu MU-X and 332L in the Lexus LBX, giving the Lexus LBX a 21L advantage. The Isuzu MU-X seats 7 vs 5.
For towing, the Isuzu MU-X leads with a 3,500kg braked capacity vs 750kg. That 2,750kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
10.4m to 11.6m
Based on 11.6m turning circle:
- U-turn on standard street (7m+ wide)
- Standard parking bay
- Tight carparks
- Narrow laneways
Based on 10.4m 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 $1,824/year for the Isuzu MU-X and $1,083/year for the Lexus LBX. That is a $741 annual difference in favour of the Lexus LBX.
Estimated annual total: $1,824 (Isuzu MU-X) vs $1,083 (Lexus LBX). The Lexus LBX saves you roughly $741 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 6 years / 150,000km (Isuzu MU-X) vs 5 years / 999,999km (Lexus LBX). The Isuzu MU-X has longer coverage.
Who Should Buy Which?
Buy the Isuzu MU-X if: You want the lower entry price, prioritise performance, value a longer warranty, need stronger towing, or prefer Isuzu's approach to design and ownership experience.
Buy the Lexus LBX if: You need more boot space, want lower running costs, or prefer Lexus's approach to design and ownership experience.
The Verdict
The Isuzu MU-X takes 4 of 7 key spec categories and comes in at a lower price. The Lexus LBX will save you roughly $741 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.
Common questions
Which is cheapest, Isuzu MU-X and Lexus LBX?
The Isuzu MU-X is the cheapest at $43,900 before on-road costs. That undercuts the Lexus LBX by $3,650.
Which is the most fuel-efficient?
The Lexus LBX uses the least fuel at 3.8L/100km on the combined cycle.
Which is safest?
They are evenly matched — Isuzu MU-X and Lexus LBX all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Lexus LBX has the largest boot at 332L.
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 Isuzu MU-X makes the most power at 120kW. The Lexus LBX is quickest to 100km/h in 9.2s.
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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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