Aston Martin DBX 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.
Aston Martin DBX
Price TBC
SUV
Petrol
Twin-turbo petrol
520kW
13.5 L/100km
ANCAP: no data
638L
Isuzu MU-X
From $43,900
SUV
Diesel
Diesel
120kW
6.4 L/100km
5★ ANCAP
311L
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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 Aston Martin DBX features a 10.3-inch touchscreen paired with a 12.3-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 Aston Martin DBX stands out with Apple CarPlay, head-up display, panoramic roof, heated front seats, ventilated seats, power tailgate and Bowers & Wilkins 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.
Interior trim differs: the Aston Martin DBX gets leather upholstery while the Isuzu MU-X offers cloth. Climate control is 3-zone in the Aston Martin DBX and 2-zone in the Isuzu MU-X.
Drivetrain
The Aston Martin DBX uses a Twin-turbo petrol producing 520kW and 900Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 3.3 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 Aston Martin DBX has the clear power advantage at 520kW vs 120kW. In the real-world sprint, the Aston Martin DBX is 7.7s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Aston Martin DBX measures 5,039mm long on a 3,060mm wheelbase, 179mm longer than the Isuzu MU-X at 4,860mm (2,855mm wheelbase). The longer wheelbase on the Aston Martin DBX generally means more rear legroom.
Boot space is 638L in the Aston Martin DBX and 311L in the Isuzu MU-X, giving the Aston Martin DBX a 327L advantage. The Isuzu MU-X seats 7 vs 5.
For towing, the Isuzu MU-X leads with a 3,500kg braked capacity vs 2,700kg. That 800kg 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 12.4m
Based on 12.4m 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
Compare U-turns side by side
Turning Circle · U-turn compare
kerb-to-kerb, 2 cars0 of 2 clear a 7.0 m street in one sweep
Green cars complete the U-turn; amber need a 3-point turn. Drag the slider to test tighter streets.
Standard widths: AU local streets ~5.5–7 m; main roads ~9–12 m.
True Cost to Own
Based on 15,000km of annual driving, fuel costs roughly $3,848/year for the Aston Martin DBX and $1,824/year for the Isuzu MU-X. That is a $2,024 annual difference in favour of the Isuzu MU-X.
Estimated annual total: $3,848 (Aston Martin DBX) vs $1,824 (Isuzu MU-X). The Isuzu MU-X saves you roughly $2,024 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 3 years (Aston Martin DBX) vs 6 years / 150,000km (Isuzu MU-X). The Isuzu MU-X has longer coverage.
Who Should Buy Which?
Buy the Aston Martin DBX if: You prioritise performance, need more boot space, or prefer Aston Martin's approach to design and ownership experience.
Buy the Isuzu MU-X if: You want lower running costs, value a longer warranty, need stronger towing, or prefer Isuzu's approach to design and ownership experience.
The Verdict
This is genuinely close. The Aston Martin DBX 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 $2,024 a year in fuel. If boot space matters, the Aston Martin DBX 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.
Common questions
Which is cheapest, Aston Martin DBX 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.
Which is safest?
They are evenly matched — Isuzu MU-X all hold a 5-star ANCAP rating. Compare the active-safety features above to separate them.
Which has the most boot space?
The Aston Martin DBX has the largest boot at 638L.
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 Aston Martin DBX makes the most power at 520kW. The Aston Martin DBX is quickest to 100km/h in 3.3s.
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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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