2015 Mazda MX-5 MPG and Fuel Economy
On this page, you will find a complete guide to the miles per gallon and fuel efficiency data for the 2015 Mazda MX-5.
The 2015 Mazda MX-5 has 3 model options: Manual 5-spd 4-cyl, 2.0 L, Manual 6-spd 4-cyl, 2.0 L and Automatic (S6) 4-cyl, 2.0 L.
The 2015 Mazda MX-5 Manual 5-spd 4-cyl, 2.0 L runs on premium gasoline and is in the Two Seaters car class.
The 2015 Mazda MX-5 Manual 6-spd 4-cyl, 2.0 L runs on premium gasoline and is in the Two Seaters car class.
The 2015 Mazda MX-5 Automatic (S6) 4-cyl, 2.0 L runs on premium gasoline and is in the Two Seaters car class.
🛣 How Many Miles per Gallon (MPG) Does a 2015 Mazda MX-5 Get?
Across all models, the combined average MPG for the 2015 Mazda MX-5 is 24 miles per gallon.
The table below breaks down the MPG for each model option:
| Model Option | Combined MPG | City MPG | Highway MPG |
|---|---|---|---|
| Manual 5-spd 4-cyl, 2.0 L | 24 | 22 | 27 |
| Manual 6-spd 4-cyl, 2.0 L | 24 | 21 | 27 |
| Automatic (S6) 4-cyl, 2.0 L | 23 | 21 | 27 |
💵 What is the Average Yearly Fuel Cost for a 2015 Mazda MX-5?
The average fuel costs for all models of the 2015 Mazda MX-5 is $3,133.
The average fuel costs have been estimated by government regulators based on 15,000 miles driven per year, using regular gasoline, and a split of 55% city driving and 45% highway driving.
Comparing a 2015 Mazda MX-5 to an average vehicle over 5 years, you will spend $4,167 more on fuel.
The table below shows the fuel costs and 5-year save/spend for each model option:
| Model Option | Fuel Cost | 5-Year Save/Spend |
|---|---|---|
| Manual 5-spd 4-cyl, 2.0 L | $3,100 | spend $4,000 more |
| Manual 6-spd 4-cyl, 2.0 L | $3,100 | spend $4,000 more |
| Automatic (S6) 4-cyl, 2.0 L | $3,200 | spend $4,500 more |
🛢 How Many Barrels of Petroleum Does a 2015 Mazda MX-5 Consume?
Across all models, the average number barrels of petroleum that the 2015 Mazda MX-5 will consume in one year is 12 barrels.
The majority of the world's petroleum is sourced from countries like Saudi Arabia, Russia, Iraq, and the United States.
| Model Option | Barrels |
|---|---|
| Manual 5-spd 4-cyl, 2.0 L | 12 |
| Manual 6-spd 4-cyl, 2.0 L | 12 |
| Automatic (S6) 4-cyl, 2.0 L | 13 |
💨 How Many Grams of CO2 Does a 2015 Mazda MX-5 Emit?
The 2015 Mazda MX-5 will emit an average of about 5,530,000 grams of CO2 per year.
🌳 To help you understand the impact of this, a normal tree will absorb around 21,000 grams of CO2 per year. This means that roughly 188 trees would be needed to offset emissions from the 2015 Mazda MX-5.
Overview
The tables below cover all of the miles per gallon, engine specifications, and emission details we have for the 3 2015 Mazda MX-5 model options.
Manual 5-spd 4-cyl, 2.0 L
The table below contains all of the details we have for the 2015 Mazda MX-5 Manual 5-spd 4-cyl, 2.0 L:
| City MPG | 22 |
|---|---|
| Highway MPG | 27 |
| Combined MPG | 24 |
| Save/Spend vs Average Car | Spend $4,000 |
| Fuel Cost | $3,100 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 12 |
| Grams of CO2 | 5,385,000 |
| Trees Needed to Offset | 256 |
| Drive | Rear-Wheel Drive |
| Cylinders | 4 |
| Displacement | 2 |
| Transmission | Manual 5-spd |
| Vehicle Class | Two Seaters |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Manual 6-spd 4-cyl, 2.0 L
The table below contains all of the details we have for the 2015 Mazda MX-5 Manual 6-spd 4-cyl, 2.0 L:
| City MPG | 21 |
|---|---|
| Highway MPG | 27 |
| Combined MPG | 24 |
| Save/Spend vs Average Car | Spend $4,000 |
| Fuel Cost | $3,100 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 12 |
| Grams of CO2 | 5,550,000 |
| Trees Needed to Offset | 264 |
| Drive | Rear-Wheel Drive |
| Cylinders | 4 |
| Displacement | 2 |
| Transmission | Manual 6-spd |
| Vehicle Class | Two Seaters |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Automatic (S6) 4-cyl, 2.0 L
The table below contains all of the details we have for the 2015 Mazda MX-5 Automatic (S6) 4-cyl, 2.0 L:
| City MPG | 21 |
|---|---|
| Highway MPG | 27 |
| Combined MPG | 23 |
| Save/Spend vs Average Car | Spend $4,500 |
| Fuel Cost | $3,200 |
| Fuel Type 1 | Premium |
| Barrels of Petroleum | 13 |
| Grams of CO2 | 5,655,000 |
| Trees Needed to Offset | 269 |
| Drive | Rear-Wheel Drive |
| Cylinders | 4 |
| Displacement | 2 |
| Transmission | Automatic (S6) |
| Vehicle Class | Two Seaters |
| Start/Stop? | No |
| Supercharged? | No |
| Turbocharged? | No |
Link To or Reference This Page
If you use this page in your research, please reference MPG Buddy as the source.
<a href="https://mpgbuddy.com/cars/mazda/mx-5/2015">2015 Mazda MX-5 MPG and Fuel Economy</a>
"2015 Mazda MX-5 MPG and Fuel Economy." MPG Buddy. Accessed on January 3, 2026. https://mpgbuddy.com/cars/mazda/mx-5/2015.
"2015 Mazda MX-5 MPG and Fuel Economy." MPG Buddy, https://mpgbuddy.com/cars/mazda/mx-5/2015. Accessed January 3, 2026.
2015 Mazda MX-5 MPG and Fuel Economy. MPG Buddy. Retrieved from https://mpgbuddy.com/cars/mazda/mx-5/2015.