Renault Symbioz 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 Symbioz starts from $44,990 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 $1,090.
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 $49,489 and $48,290 respectively.
Over 5 years, the running costs favour the Renault Symbioz by roughly $2,565 in fuel alone.
Safety Rundown
Both the Renault Symbioz and Isuzu MU-X hold a 5-star ANCAP safety rating.
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 3 in the Renault Symbioz.
Both include the essentials: autonomous emergency braking, lane keep assist, adaptive cruise control.
Feature Showdown
The Renault Symbioz features a 10.4-inch touchscreen paired with a 10.3-inch digital dash, while the Isuzu MU-X gets a 8-inch display and 4.2-inch instruments.
Drivetrain
The Renault Symbioz uses a Inline 4 producing 70kW and 149Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 10.6 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 70kW. In the real-world sprint, the Renault Symbioz is 0.4s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Renault Symbioz measures 4,413mm long on a 2,638mm wheelbase, 447mm 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 434L in the Renault Symbioz and 311L in the Isuzu MU-X, giving the Renault Symbioz a 123L advantage. Fold the rears and you get 1582L vs 2138L. 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.
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 Renault Symbioz and $1,824/year for the Isuzu MU-X. That is a $513 annual difference in favour of the Renault Symbioz.
Estimated annual total: $1,311 (Renault Symbioz) vs $1,824 (Isuzu MU-X). The Renault Symbioz 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 (Renault Symbioz) vs 6 years / 150,000km (Isuzu MU-X). The Isuzu MU-X has longer coverage.
Who Should Buy Which?
Buy the Renault Symbioz if: You need more boot space, want lower running costs, or prefer Renault'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, need stronger towing, or prefer Isuzu'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 Renault Symbioz will save you roughly $513 a year in fuel. If boot space matters, the Renault Symbioz 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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