Aston Martin DB12 vs Mazda MX-5
A detailed look at how two of Australia's most popular Convertibles 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 DB12
Price TBC
Convertible
Petrol
Twin-turbo petrol
500kW
12.3 L/100km
ANCAP: no data
200L
Mazda MX-5
From $41,520
Convertible
Petrol
—
135kW
6.8 L/100km
ANCAP: no data
130L
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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 DB12 features a 10.3-inch touchscreen paired with a 12.3-inch digital dash, while the Mazda MX-5 gets a 8.8-inch display.
The Aston Martin DB12 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 Mazda MX-5. Which feature set matters more depends on your daily routine and priorities.
Interior trim differs: the Aston Martin DB12 gets leather upholstery while the Mazda MX-5 offers cloth. Climate control is 2-zone in the Aston Martin DB12 and 1-zone in the Mazda MX-5.
Drivetrain
The Aston Martin DB12 uses a Twin-turbo petrol producing 500kW and 800Nm of torque, sent through a automatic to a RWD layout. It covers the 0-100km/h sprint in 3.7 seconds.
The Mazda MX-5 lines up making 135kW and 205Nm, paired to a 6-speed manual driving the rear wheels. It gets to 100km/h in 6.5 seconds.
The Aston Martin DB12 has the clear power advantage at 500kW vs 135kW. In the real-world sprint, the Aston Martin DB12 is 2.8s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.
Space & Comfort
The Aston Martin DB12 measures 4,725mm long on a 2,805mm wheelbase, 810mm longer than the Mazda MX-5 at 3,915mm (2,310mm wheelbase). The longer wheelbase on the Aston Martin DB12 generally means more rear legroom.
Boot space is 200L in the Aston Martin DB12 and 130L in the Mazda MX-5, giving the Aston Martin DB12 a 70L advantage. The Aston Martin DB12 seats 4 vs 2.
Turning Circle
Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.
9.4m diameter
Excellent
Based on 9.4m 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 $3,506/year for the Aston Martin DB12 and $1,938/year for the Mazda MX-5. That is a $1,568 annual difference in favour of the Mazda MX-5.
Estimated annual total: $3,506 (Aston Martin DB12) vs $1,938 (Mazda MX-5). The Mazda MX-5 saves you roughly $1,568 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.
Warranty: 3 years (Aston Martin DB12) vs 5 years / 999,999km (Mazda MX-5). The Mazda MX-5 has longer coverage.
Who Should Buy Which?
Buy the Aston Martin DB12 if: You prioritise performance, need more boot space, or prefer Aston Martin's approach to design and ownership experience.
Buy the Mazda MX-5 if: You want lower running costs, value a longer warranty, or prefer Mazda's approach to design and ownership experience.
The Verdict
The Aston Martin DB12 takes 3 of 5 key spec categories. The Mazda MX-5 will save you roughly $1,568 a year in fuel. If boot space matters, the Aston Martin DB12 has a clear edge. The Mazda MX-5 adds peace of mind with a longer 5-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 DB12 and Mazda MX-5?
The Mazda MX-5 is the cheapest at $41,520 before on-road costs.
Which is the most fuel-efficient?
The Mazda MX-5 uses the least fuel at 6.8L/100km on the combined cycle.
What are the ANCAP safety ratings?
None of Aston Martin DB12 and Mazda MX-5 carry a published ANCAP rating yet — check back as they are tested.
Which has the most boot space?
The Aston Martin DB12 has the largest boot at 200L.
Which has the best warranty?
The Mazda MX-5 has the longest warranty at 5 years / Unlimited.
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 3.7s.
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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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