Bentley Bentayga vs Aston Martin DB12
A detailed look at how two of Australia's most popular cars 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.
Bentley Bentayga
From $412,600
SUV
Twin-turbo petrol
405kW
12.7 L/100km
ANCAP: no data
484L
Aston Martin DB12
From $455,000
Coupe
Twin-turbo petrol
500kW
12.2 L/100km
ANCAP: no data
262L
Price Breakdown
The Bentley Bentayga starts from $412,600 before on-road costs, while the Aston Martin DB12 opens at $455,000. That makes the Bentley Bentayga the more affordable entry point by $42,400.
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 $453,860 and $500,500 respectively.
Over 5 years, the running costs are nearly identical since both have similar efficiency.
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
Both come with modern infotainment systems. Apple CarPlay and Android Auto are standard across both.
The Bentley Bentayga stands out with wireless charging, Bowers & Wilkins audio and ambient lighting that you will not find on the Aston Martin DB12. The Aston Martin DB12 counters with Burmester audio. Which feature set matters more depends on your daily routine and priorities.
Drivetrain
The Bentley Bentayga uses a Twin-turbo petrol producing 405kW and 770Nm of torque, sent through a automatic to a AWD layout. It covers the 0-100km/h sprint in 4.5 seconds.
The Aston Martin DB12 responds with a Twin-turbo petrol making 500kW and 800Nm, paired to a automatic driving the rear wheels. It gets to 100km/h in 3.6 seconds.
The Aston Martin DB12 has the clear power advantage at 500kW vs 405kW. In the real-world sprint, the Aston Martin DB12 is 0.9s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Bentley Bentayga measures 5,141mm long on a 2,995mm wheelbase, 416mm longer than the Aston Martin DB12 at 4,725mm (2,805mm wheelbase). The longer wheelbase on the Bentley Bentayga generally means more rear legroom.
Boot space is 484L in the Bentley Bentayga and 262L in the Aston Martin DB12, giving the Bentley Bentayga a 222L advantage. The Bentley Bentayga seats 5 vs 4.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
13.1m diameter
Large
Based on 13.1m 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 $3,620/year for the Bentley Bentayga and $3,477/year for the Aston Martin DB12. That is a $143 annual difference in favour of the Aston Martin DB12.
Estimated annual total: $3,620 (Bentley Bentayga) vs $3,477 (Aston Martin DB12). The Aston Martin DB12 saves you roughly $143 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 3 years (Bentley Bentayga) vs 3 years (Aston Martin DB12). Both match on warranty length.
Who Should Buy Which?
Buy the Bentley Bentayga if: You want the lower entry price, need more boot space, or prefer Bentley's approach to design and ownership experience.
Buy the Aston Martin DB12 if: You prioritise performance, want lower running costs, or prefer Aston Martin's approach to design and ownership experience.
The Verdict
The Aston Martin DB12 takes 3 of 5 key spec categories. The Aston Martin DB12 will save you roughly $143 a year in fuel. If boot space matters, the Bentley Bentayga has a clear edge. The best pick depends on what you value most. Explore the full specs for each model below.
Common questions
Which is cheapest, Bentley Bentayga and Aston Martin DB12?
The Bentley Bentayga is the cheapest at $412,600 before on-road costs. That undercuts the Aston Martin DB12 by $42,400.
Which is the most fuel-efficient?
The Aston Martin DB12 uses the least fuel at 12.2L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of Bentley Bentayga and Aston Martin DB12 carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Bentley Bentayga has the largest boot at 484L.
Which is the most powerful?
The Aston Martin DB12 makes the most power at 500kW. The Aston Martin DB12 is quickest to 100km/h in 3.6s.
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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