BMW X4 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.
BMW X4: we're still completing price, length, width, height and wheelbase, plus 7 others.
A blank cell below means we don't have that figure, not that the car scores badly on it. We leave them empty rather than estimate, so any row where one car is blank isn't a like-for-like comparison yet.
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Price Breakdown
Pricing for one or both models is yet to be confirmed for the Australian market. We will update this comparison when official RRPs are announced.
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 BMW X4 features a 12.3-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 BMW X4 stands out with head-up display, power tailgate and ambient lighting — features our data doesn't list for the Isuzu MU-X. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The BMW X4 uses a Petrol Turbo producing 135kW and 300Nm of torque, sent through a 8-speed automatic to a AWD layout. It covers the 0-100km/h sprint in 8.3 seconds.
The Isuzu MU-X responds with a Diesel making 120kW and 400Nm, paired to a automatic driving the rear wheels.
The BMW X4 has the clear power advantage at 135kW vs 120kW. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
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
Interactive simulator: U-turns, parking & towing
Turning Circle
Kerb-to-kerb diameter. Smaller turns are easier in tight carparks and U-turns.
Average
Needs a 3-point turn (one reverse)
Needs about 10.1 m to swing round without stopping. Road is 9.0 m.
U-turn on a wide street
≥ 10 m: 3-point turn
U-turn on a standard street
7 m: 3-point turn
Standard parking bay
1.9 m wide: fits with room
Tight carpark aisle
6 m: careful, tight swing
Narrow laneway
3.5 m: no room to turn
Turning circle ratings
Standard widths: AU local streets carry ~5.5–7 m of carriageway; main roads ~9–12 m. AS 2890.1 carpark aisles are ~5.8–6.6 m for 90° bays (2.6 m wide × 5.4 m deep).
Road, aisle, swing and off-tracking figures are indicative estimates from the published turning circle. Verify in person before relying on them.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $2,195/year for the BMW X4 and $1,824/year for the Isuzu MU-X. That is a $371 annual difference in favour of the Isuzu MU-X.
Who Should Buy Which?
Buy the BMW X4 if: You prioritise performance, or prefer BMW's approach to design and ownership experience.
Buy the Isuzu MU-X if: You want lower running costs, or prefer Isuzu's approach to design and ownership experience.
The Verdict
This is genuinely close. The BMW X4 and Isuzu MU-X trade blows across the spec sheet, and neither runs away with an outright win. The Isuzu MU-X will save you roughly $371 a year in fuel. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, BMW X4 and Isuzu MU-X?
The Isuzu MU-X is the cheapest at $43,900 before on-road costs.
Which is the most fuel-efficient?
The Isuzu MU-X uses the least fuel at 6.4L/100km on the combined cycle.
What are the ANCAP safety ratings?
Isuzu MU-X holds a 5-star ANCAP rating. We have no published ANCAP rating for BMW X4, so there is nothing to compare on crash performance. Compare the active-safety features above instead.
Which can tow the most?
The Isuzu MU-X has the highest braked towing capacity at 3,500kg.
Which is the most powerful?
The BMW X4 makes the most power at 135kW.
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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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