MINI Cooper vs Mazda MX-5

The MINI Cooper is the more efficient of the two: it reaches 110 mpg combined versus 30 mpg for the Mazda MX-5, a 80 mpg advantage and costs about $1,850 less per year to fuel.

Across 5 measured categories, the MINI Cooper leads in 5. Figures are EPA test data, not manufacturer claims.

2015–2026

MINI Cooper

Subcompact Cars · 135 configurations

110mpg combined (best)
All MINI Cooper specs

2015–2026

Mazda MX-5

Two Seaters · 25 configurations

30mpg combined (best)
All Mazda MX-5 specs

Head-to-head specifications

MetricMINI CooperMazda MX-5
Best combined MPG110 mpg30 mpg
Best city MPG119 mpg27 mpg
Best highway MPG100 mpg36 mpg
Lowest annual fuel costEPA estimate at 15,000 miles per year$700$2,550
Lowest CO2 output272 g/mi298 g/mi
Engines offeredSIDI & PFI, SIDI, 1.6SIDI, 2.0
TransmissionsAutomatic (AM-S7), Manual 6-spd, Automatic (A1)Automatic (S6), Manual 6-spd, Manual 5-spd
DrivetrainsFront-Wheel DriveRear-Wheel Drive
Fuel typesPremium, ElectricityPremium
EPA classSubcompact CarsTwo Seaters
Years covered2015–20262015–2026
Configurations on record13525

Source: EPA fuel economy records via fueleconomy.gov. Best-case values across all recorded configurations for each model.

Cooper vs MX-5: common questions

Which is better on gas, the MINI Cooper or the Mazda MX-5?

The MINI Cooper is the more efficient of the two: it reaches 110 mpg combined versus 30 mpg for the Mazda MX-5, a 80 mpg advantage and costs about $1,850 less per year to fuel.

Which costs less to run per year?

By EPA estimates at 15,000 miles a year, the MINI Cooper runs about $700 a year in fuel at its most efficient configuration, versus about $2,550 for the Mazda MX-5 — a difference of roughly $1,850 per year.

What engines do the Cooper and MX-5 offer?

MINI Cooper: SIDI & PFI, SIDI, 1.6. Mazda MX-5: SIDI, 2.0.

Are they in the same vehicle class?

The EPA classifies the MINI Cooper as Subcompact Cars and the Mazda MX-5 as Two Seaters, so they aren't a like-for-like match on size.

More Cooper comparisons

Comparison id: mini-cooper-vs-mazda-mx-5