What does the 2021 Mazda MX-5 cost per mile?

Fuel cost a mile

11.0cents

Gas, $ a gallon2025 IRS rate, cents

Gas $3.20. 2025 IRS rate 70 cents.

2021 Mazda MX-5 Miata Sport RWD. Cents a mile.

2021 Mazda MX-5: cost a mile by trim
Trim	Rating	Cost a mile	Margin a mile	Per 10,000 mi
Miata Sport RWD	29 mpg	11.0 cents	59.0 cents	$5,897
Miata Sport Manual	29 mpg	11.0 cents	59.0 cents	$5,897
Miata Sport Auto	30 mpg	10.7 cents	59.3 cents	$5,933
Club RWD	29 mpg	11.0 cents	59.0 cents	$5,897
Miata Club Manual	29 mpg	11.0 cents	59.0 cents	$5,897
Miata Club Auto	30 mpg	10.7 cents	59.3 cents	$5,933
Grand Touring RWD	29 mpg	11.0 cents	59.0 cents	$5,897
Miata Grand Touring Manual	29 mpg	11.0 cents	59.0 cents	$5,897
Miata Grand Touring Auto	30 mpg	10.7 cents	59.3 cents	$5,933
Miata Club RWD	29 mpg	11.0 cents	59.0 cents	$5,897
Miata Grand Touring RWD	29 mpg	11.0 cents	59.0 cents	$5,897
Miata RF Club RWD	29 mpg	11.0 cents	59.0 cents	$5,897
Miata RF Grand Touring RWD	29 mpg	11.0 cents	59.0 cents	$5,897

What this cannot tell you

Fuel only. Insurance, repairs and value loss not counted.

The IRS rate covers every cost, not fuel alone.