2003 Mazda MX-5 MiataFuel Economy & MPG Ratings
Gasoline Two SeatersRear-Wheel Drive
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City
20
MPG
Highway
26
MPG
Combined
23
MPG
Real-World MPG
Based on 5 owner reports via EPA fueleconomy.gov
29.1MPG average+26.7% vs EPA label
EPA combined: 23 MPG · Owner reported avg: 29.1 MPG
Range: 26–34 MPG
Driving mix: City 24% / Highway 76%
Source: EPA fueleconomy.gov “Your MPG” owner submissions. Real-world results vary by driver behavior, conditions, and equipment.
Owner reported MPG for this vehicle averages 29.1 real world MPG based on 5 owner reports. EPA combined rating is 23 MPG.
Trim Comparison
Manual 5-spd
Premium
City
20
Hwy
26
Comb
23
Fuel cost: $3,550/yr
Automatic 4-spd
Premium
City
20
Hwy
25
Comb
22
Fuel cost: $3,700/yr
Manual 6-spd
Premium
City
20
Hwy
26
Comb
22
Fuel cost: $3,700/yr
| Trim | Engine | City | Hwy | Combined | Fuel Cost/yr |
|---|---|---|---|---|---|
| Manual 5-spd | Premium | 20 | 26 | 23 | $3,550 |
| Automatic 4-spd | Premium | 20 | 25 | 22 | $3,700 |
| Manual 6-spd | Premium | 20 | 26 | 22 | $3,700 |
Annual Fuel Cost
$3,550
Based on gasoline at $3.67/gal, 15,000 miles/year
5-Year Fuel Savings
$-5,750
vs. average new vehicle
EPA Fuel Economy Score: -1/10
GHG Score: -1/10
Environment
- CO₂ Tailpipe Emissions
- 386 g/mile
- Annual Petroleum Consumption
- 12.9 barrels
Specifications
- Engine
- 1.8L 4-cyl
- Transmission
- 4-speed Automatic
- Drivetrain
- RWD
- Body Style
- Sedan
- GVWR
- Class 1 (≤6,000 lbs)
Source: EPA fuel economy data & NHTSA vPIC. Specifications reflect the most common trim configuration.
Engine & Efficiency Details
Source: EPA fueleconomy.gov
- Engine Size
- 1.8L, 4-cylinder
- Fuel Type
- Premium Gasoline
Annual Fuel Cost by State
Prices as of week ending May 18, 2026 · Source: EIA
National AvgEPA default
$4.490/gal$2,928/yr
California
$5.957/gal$3,885/yr
Texas
$3.888/gal$2,536/yr
Florida
$4.136/gal$2,697/yr
New York
$4.522/gal$2,949/yr
Ohio
$4.510/gal$2,941/yr
Washington
$5.591/gal$3,646/yr
Colorado
$4.618/gal$3,012/yr
Minnesota
$4.344/gal$2,833/yr
Massachusetts
$4.448/gal$2,901/yr
| State | Gas Price | Annual Cost | vs. National Avg |
|---|---|---|---|
| National AvgEPA default | $4.490/gal | $2,928/yr | — |
| California | $5.957/gal | $3,885/yrHIGHEST | +$957 |
| Texas | $3.888/gal | $2,536/yrLOWEST | $-392 |
| Florida | $4.136/gal | $2,697/yr | $-231 |
| New York | $4.522/gal | $2,949/yr | +$21 |
| Ohio | $4.510/gal | $2,941/yr | +$13 |
| Washington | $5.591/gal | $3,646/yr | +$718 |
| Colorado | $4.618/gal | $3,012/yr | +$84 |
| Minnesota | $4.344/gal | $2,833/yr | $-95 |
| Massachusetts | $4.448/gal | $2,901/yr | $-27 |
Calculated at 15,000 miles/year (EPA standard assumption) using 23 MPG combined. Regular gasoline prices. Actual costs vary.
Related
Mazda MX-5 Miata MPG History
See how this model's fuel economy changed by year