2023 Mazda MX-5 (Automatic) MPG & Specs
Quick answer
The 2023 Mazda MX-5 gets an EPA-estimated 26/35 MPG (city/highway) and 30 MPG combined, with an estimated $2,550/year fuel cost and 299 g/mi CO₂. Engine: 2 L 4-cyl.
The 2023 Mazda MX-5 with the 2-liter 4-cylinder premium gasoline engine returns an EPA-estimated 26 MPG in the city and 35 MPG on the highway, for a combined 30 MPG. This page summarizes the official EPA fuel-economy and emissions data for this configuration.
| Engine | 2 L 4-cyl |
| Transmission | Automatic (S6) |
| Drive | Rear-Wheel Drive |
| Fuel type | Premium Gasoline |
| Vehicle class | Two Seaters |
| MPG — city | 26 |
| MPG — highway | 35 |
| MPG — combined | 30 |
| Annual fuel cost* | $2,550 |
| CO₂ tailpipe | 299 g/mi |
| EPA GHG score | 6/10 |
How efficient is it?
With a combined 30 MPG, the 2023 Mazda MX-5 sits in the good range for fuel economy. That is about 49% better than the typical Two Seaters of its era (20 MPG class average), making it one of the more efficient choices in its class.
Fuel economy and running costs
At about $2,550 per year in fuel (EPA estimate, 15,000 mi/yr), fuel is a major part of the cost of owning the 2023 Mazda MX-5. Over five years that is roughly $12,750 at today's prices — before insurance, maintenance, and depreciation.
Emissions
The 2023 Mazda MX-5 emits approximately 299 grams of CO₂ per mile at the tailpipe, earning an EPA greenhouse-gas score of 6 out of 10. Lower emissions generally track higher fuel economy.
How to read these numbers
EPA figures come from standardized laboratory test cycles and are the same estimates shown on the vehicle's window sticker. Your real-world mileage depends on driving style, conditions, fuel grade, and maintenance. Use combined MPG and annual fuel cost to compare vehicles fairly.