Renault Koleos 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 Renault Koleos starts from $40,990 before on-road costs, while the Isuzu MU-X opens at $43,900. That makes the Renault Koleos the more affordable entry point by $2,910.
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 $45,089 and $48,290 respectively.
Over 5 years, the running costs favour the Isuzu MU-X by roughly $1,995 in fuel alone.
Safety Rundown
Both the Renault Koleos and Isuzu MU-X hold a 5-star ANCAP safety rating. Adult occupant protection scored 84% for the Renault Koleos 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 6 in the Renault Koleos and 8 in the Isuzu MU-X.
Feature Showdown
The Renault Koleos features a 8-inch touchscreen paired with a 7-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 Renault Koleos stands out with Apple CarPlay and BOSE audio 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 Renault Koleos uses a Petrol producing 140kW and 300Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 9.1 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 Renault Koleos has the clear power advantage at 140kW vs 120kW. In the real-world sprint, the Renault Koleos is 1.9s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Renault Koleos measures 4,672mm long on a 2,705mm wheelbase, 188mm 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 458L in the Renault Koleos and 311L in the Isuzu MU-X, giving the Renault Koleos a 147L advantage. The Isuzu MU-X seats 7 vs 5.
For towing, the Isuzu MU-X leads with a 3,500kg braked capacity vs 2,000kg. That 1,500kg difference matters if you regularly hitch up.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
11.6m 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 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 $2,223/year for the Renault Koleos and $1,824/year for the Isuzu MU-X. That is a $399 annual difference in favour of the Isuzu MU-X.
Estimated annual total: $2,223 (Renault Koleos) vs $1,824 (Isuzu MU-X). The Isuzu MU-X saves you roughly $399 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 7 years / 999,999km (Renault Koleos) vs 6 years / 150,000km (Isuzu MU-X). The Renault Koleos has longer coverage.
Who Should Buy Which?
Buy the Renault Koleos if: You want the lower entry price, prioritise performance, need more boot space, value a longer warranty, or prefer Renault's approach to design and ownership experience.
Buy the Isuzu MU-X if: You want lower running costs, need stronger towing, or prefer Isuzu's approach to design and ownership experience.
The Verdict
The Renault Koleos takes 5 of 7 key spec categories and comes in at a lower price. The Isuzu MU-X will save you roughly $399 a year in fuel. If boot space matters, the Renault Koleos has a clear edge. The Renault Koleos adds peace of mind with a longer 7-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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