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HomeComparisonsMINI Cooper Convertible vs Mazda MX-5
Spec Battle Updated 20 April 2026 5 min read

MINI Cooper Convertible 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.

SpecMINIMazda
Price (RRP)$51,990$41,520
Fuel typePetrolPetrol
Power120kW135kW
0-100 km/h8.2s6.5s
Fuel Economy6.6 L/100km6.8 L/100km
Boot Space215L130L
Warranty5yr / Unlimited5yr / Unlimited
ANCAP SafetyNo dataNo data

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Price Breakdown

The MINI Cooper Convertible starts from $51,990 before on-road costs, while the Mazda MX-5 opens at $41,520. That makes the Mazda MX-5 the more affordable entry point by $10,470.

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 $57,189 and $45,672 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

The MINI Cooper Convertible features a 9.4-inch touchscreen, while the Mazda MX-5 gets a 8.8-inch display.

The MINI Cooper Convertible stands out with Apple CarPlay and ambient lighting 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 MINI Cooper Convertible gets synthetic leather / cloth upholstery while the Mazda MX-5 offers cloth. Climate control is 2-zone in the MINI Cooper Convertible and 1-zone in the Mazda MX-5.

Drivetrain

The MINI Cooper Convertible uses a Petrol Turbo producing 120kW and 250Nm of torque, sent through a automatic to a FWD layout. It covers the 0-100km/h sprint in 8.2 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 Mazda MX-5 has the clear power advantage at 135kW vs 120kW. In the real-world sprint, the Mazda MX-5 is 1.7s quicker. For most buyers, the way each car feels day-to-day matters more than outright acceleration.

Space & Comfort

The MINI Cooper Convertible measures 3,879mm long on a 2,495mm wheelbase, 36mm shorter than the Mazda MX-5 at 3,915mm (2,310mm wheelbase). The longer wheelbase on the MINI Cooper Convertible generally means more rear legroom.

Boot space is 215L in the MINI Cooper Convertible and 130L in the Mazda MX-5, giving the MINI Cooper Convertible a 85L advantage. The MINI Cooper Convertible seats 4 vs 2.

Turning Circle

Kerb-to-kerb diameter. Smaller turns easier in tight carparks and U-turns.

9.4m to 11.1m

Mazda MX-5 Roadster
9.4mTighter
Best
MINI Cooper Convertible C Classic
11.1m
Worst
MINI Cooper Convertible C Classic
11.1m · Average

Based on 11.1m turning circle:

  • U-turn on standard street (7m+ wide)
  • Standard parking bay
  • Tight carparks
  • Narrow laneways
Mazda MX-5 Roadster
9.4m · Excellent

Based on 9.4m turning circle:

  • U-turn on standard street (7m+ wide)
  • Standard parking bay
  • Tight carparks
  • Narrow laneways

Turning circle ratings

Under 10m, Excellent
10 to 11m, Good
11 to 12m, Average
Over 12m, Large

True Cost to Own

Based on 15,000km of annual driving, fuel costs roughly $1,881/year for the MINI Cooper Convertible and $1,938/year for the Mazda MX-5. That is a $57 annual difference in favour of the MINI Cooper Convertible.

Estimated annual total: $1,881 (MINI Cooper Convertible) vs $1,938 (Mazda MX-5). The MINI Cooper Convertible saves you roughly $57 per year in total ownership costs. Use our Fuel Cost Calculator to estimate based on your driving.

Warranty: 5 years / 999,999km (MINI Cooper Convertible) vs 5 years / 999,999km (Mazda MX-5). Both match on warranty length.

Who Should Buy Which?

Buy the MINI Cooper Convertible if: You need more boot space, want lower running costs, or prefer MINI's approach to design and ownership experience.

Buy the Mazda MX-5 if: You want the lower entry price, prioritise performance, or prefer Mazda's approach to design and ownership experience.

The Verdict

The Mazda MX-5 takes 3 of 5 key spec categories and comes in at a lower price. The MINI Cooper Convertible will save you roughly $57 a year in fuel. If boot space matters, the MINI Cooper Convertible 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, MINI Cooper Convertible and Mazda MX-5?

The Mazda MX-5 is the cheapest at $41,520 before on-road costs. That undercuts the MINI Cooper Convertible by $10,470.

Which is the most fuel-efficient?

The MINI Cooper Convertible uses the least fuel at 6.6L/100km on the combined cycle.

What are the ANCAP safety ratings?

None of MINI Cooper Convertible and Mazda MX-5 carry a published ANCAP rating yet — check back as they are tested.

Which has the most boot space?

The MINI Cooper Convertible has the largest boot at 215L.

Which is the most powerful?

The Mazda MX-5 makes the most power at 135kW. The Mazda MX-5 is quickest to 100km/h in 6.5s.

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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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